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all geography including DSDP/ODP Sites and Legs
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Africa
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Angola
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Vermes (1)
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Cenozoic
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Tertiary
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Asmari Formation (2)
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Neogene
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Miocene
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lower Miocene
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Pliocene
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Paleogene
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Eocene
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Avon Park Formation (5)
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lower Eocene
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Thebes Formation (1)
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middle Eocene (2)
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Priabonian (1)
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Uinta Formation (1)
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Oligocene
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Frio Formation (1)
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Paleocene
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lower Paleocene
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Danian (2)
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K-T boundary (1)
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-
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Wasatch Formation (1)
-
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Shahejie Formation (1)
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-
upper Cenozoic
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Chesapeake Group (2)
-
-
-
Dalradian (1)
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Mesozoic
-
Cretaceous
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Comanchean
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Buda Limestone (1)
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Edwards Formation (6)
-
Glen Rose Formation (1)
-
Rodessa Formation (1)
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Trinity Group (1)
-
-
Kuskokwim Group (2)
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Lower Cretaceous
-
Albian
-
Pinda Formation (2)
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-
Aptian
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Shuaiba Formation (3)
-
-
Barremian (2)
-
Edwards Formation (6)
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Glen Rose Formation (1)
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Lagoa Feia Formation (1)
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Rodessa Formation (1)
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Trinity Group (1)
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Valanginian (1)
-
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Macae Formation (1)
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Middle Cretaceous (1)
-
Upper Cretaceous
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Blackhawk Formation (1)
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Buda Limestone (1)
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Cenomanian (5)
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Eagle Sandstone (1)
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Frontier Formation (1)
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Senonian (4)
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Turonian (3)
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Tuscaloosa Formation (1)
-
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Viking Formation (1)
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-
Jurassic
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Lower Jurassic
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Feltville Formation (1)
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lower Liassic (1)
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Portland Formation (1)
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-
Middle Jurassic
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Aalenian (1)
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-
-
Upper Jurassic
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Arab Formation (5)
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Buckner Formation (2)
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Fulmar Formation (1)
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Haynesville Formation (1)
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Kimmeridgian (2)
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Oxfordian (2)
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Smackover Formation (13)
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Tithonian (1)
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Volgian (1)
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-
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Maiolica Limestone (1)
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Newark Supergroup (1)
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Triassic
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Charlie Lake Formation (1)
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Lower Triassic
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Permian-Triassic boundary (4)
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Middle Triassic
-
Doig Formation (1)
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Ladinian (1)
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Muschelkalk (3)
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Montney Formation (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Baldonnel Formation (1)
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Carnian (1)
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Keuper (1)
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Rhaetian (1)
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-
-
-
Paleozoic
-
Arbuckle Group (5)
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Cambrian
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Acadian (1)
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Lancara Formation (1)
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Lower Cambrian
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Gog Group (1)
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Yudoma Series (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Upper Cambrian
-
Bonneterre Formation (9)
-
Copper Ridge Dolomite (1)
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Lamotte Sandstone (1)
-
Maynardville Limestone (1)
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Mount Simon Sandstone (1)
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-
-
Carboniferous
-
Amsden Formation (1)
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Lower Carboniferous
-
Dinantian (13)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Charles Formation (1)
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Harrodsburg Limestone (2)
-
Lower Mississippian
-
Chappel Limestone (1)
-
Fort Payne Formation (1)
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Kinderhookian
-
Banff Formation (1)
-
-
Lake Valley Formation (1)
-
Lodgepole Formation (2)
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Osagian
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Burlington Limestone (3)
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Keokuk Limestone (2)
-
-
-
Madison Group (10)
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Middle Mississippian
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Visean (6)
-
-
Mission Canyon Limestone (3)
-
Newman Limestone (1)
-
Ramp Creek Formation (1)
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Upper Mississippian
-
Greenbrier Limestone (2)
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Meramecian
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Saint Louis Limestone (3)
-
Sainte Genevieve Limestone (3)
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Salem Limestone (1)
-
-
Serpukhovian (1)
-
-
Windsor Group (3)
-
-
Namurian (1)
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Pennsylvanian
-
Lower Pennsylvanian
-
Bashkirian (1)
-
-
Middle Pennsylvanian
-
Desmoinesian
-
Boggy Shale (1)
-
-
Moscovian (1)
-
Paradox Formation (1)
-
-
Upper Pennsylvanian
-
Missourian
-
Plattsburg Limestone (1)
-
Seminole Formation (1)
-
Stanton Formation (1)
-
Wyandotte Limestone (1)
-
-
-
-
Upper Carboniferous
-
Westphalian (1)
-
-
Wahoo Limestone (1)
-
-
Cow Head Group (1)
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Devonian
-
Beaverhill Lake Group (2)
-
Keg River Formation (9)
-
Lost Burro Formation (1)
-
Lower Devonian (4)
-
Middle Devonian
-
Cedar Valley Formation (1)
-
Dundee Limestone (1)
-
Eifelian (1)
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Elk Point Group (4)
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Givetian (5)
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Onondaga Limestone (1)
-
Prairie Evaporite (3)
-
Sulphur Point Formation (3)
-
Winnipegosis Formation (5)
-
-
Old Red Sandstone (1)
-
Slave Point Formation (5)
-
Swan Hills Formation (8)
-
Upper Devonian
-
Birdbear Formation (2)
-
Duperow Formation (2)
-
Famennian
-
Wabamun Group (9)
-
-
Frasnian
-
Leduc Formation (13)
-
-
Grosmont Formation (5)
-
Jefferson Group (2)
-
Nisku Formation (11)
-
Palliser Formation (1)
-
-
-
Exshaw Formation (2)
-
Helderberg Group (1)
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Hunton Group (4)
-
Knox Group (11)
-
Laborcita Formation (1)
-
Lisburne Group (1)
-
lower Paleozoic
-
Penobscot Formation (1)
-
Rose Run Sandstone (1)
-
-
middle Paleozoic (1)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Ellenburger Group (5)
-
Kindblade Formation (1)
-
Kingsport Formation (1)
-
Manitou Formation (1)
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Mascot Dolomite (2)
-
Saint George Group (6)
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Tremadocian (3)
-
-
Middle Ordovician
-
Black River Group (8)
-
Darriwilian (1)
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Decorah Shale (1)
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Galena Dolomite (2)
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Glenwood Shale (1)
-
Platteville Formation (3)
-
Saint Peter Sandstone (2)
-
-
Montoya Group (2)
-
Pogonip Group (1)
-
Tetagouche Group (1)
-
Trenton Group (12)
-
Upper Ordovician
-
Bighorn Dolomite (3)
-
Cincinnatian
-
Maysvillian (1)
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Richmondian (2)
-
-
Juniata Formation (1)
-
Red River Formation (7)
-
Trentonian (10)
-
Yeoman Formation (3)
-
-
Utica Shale (1)
-
-
Permian
-
Glorieta Sandstone (1)
-
Guadalupian
-
Capitan Formation (1)
-
Cherry Canyon Formation (1)
-
Grayburg Formation (2)
-
Seven Rivers Formation (1)
-
Tansill Formation (2)
-
-
Khuff Formation (5)
-
Lower Permian
-
Abo Formation (2)
-
Cherry Canyon Formation (1)
-
Leonardian
-
Bone Spring Limestone (2)
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Clear Fork Group (3)
-
-
Qixia Formation (2)
-
Wichita Group (3)
-
Wolfcampian (6)
-
-
Maokou Formation (2)
-
Meade Peak Member (1)
-
Park City Formation (1)
-
Phosphoria Formation (3)
-
Upper Permian
-
Changxing Formation (2)
-
Permian-Triassic boundary (4)
-
Zechstein (2)
-
-
Yeso Formation (2)
-
-
Rondout Formation (1)
-
Silurian
-
Bass Islands Dolomite (1)
-
Henryhouse Formation (2)
-
Lockport Formation (3)
-
Lower Silurian
-
Brassfield Formation (1)
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Llandovery (1)
-
Wenlock (1)
-
-
Middle Silurian
-
Guelph Formation (1)
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Keefer Sandstone (2)
-
Waldron Shale (1)
-
-
Niagaran (6)
-
Upper Silurian
-
Ludlow (1)
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Salina Group (2)
-
-
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Bakken Formation (4)
-
-
-
Phanerozoic (7)
-
Precambrian
-
Archean
-
Neoarchean (2)
-
Timiskaming Group (1)
-
-
Cuddapah System (1)
-
middle Precambrian (1)
-
Transvaal Supergroup (3)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
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Damara System (1)
-
Mesoproterozoic
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Helikian (1)
-
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Miette Group (1)
-
Neoproterozoic
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Cryogenian (1)
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Dengying Formation (1)
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Ediacaran (3)
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Vendian (1)
-
-
Paleoproterozoic
-
Aphebian (1)
-
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Sinian
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Dengying Formation (1)
-
-
-
-
-
Vindhyan (1)
-
-
igneous rocks
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igneous rocks
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carbonatites
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sovite (1)
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hypabyssal rocks (1)
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kamafugite (1)
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kimberlite (3)
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peperite (1)
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plutonic rocks
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gabbros (1)
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granites
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leucogranite (1)
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granodiorites (2)
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lamproite (1)
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lamprophyres (1)
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monzodiorite (1)
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pegmatite (2)
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quartzolite (1)
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sovite (1)
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syenites
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albitite (1)
-
-
ultramafics
-
peridotites
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dunite (1)
-
garnet lherzolite (1)
-
harzburgite (1)
-
lherzolite (2)
-
-
-
-
volcanic rocks
-
basalts
-
alkali basalts (1)
-
-
basanite (1)
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glasses (2)
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komatiite (1)
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melilitite (1)
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nephelinite (1)
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phonolites (1)
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pyroclastics
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hyaloclastite (1)
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ignimbrite (1)
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tuff (4)
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tuffite (1)
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rhyolites (1)
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trachytes (1)
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-
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ophiolite (5)
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volcanic ash (1)
-
-
metamorphic rocks
-
metamorphic rocks
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amphibolites (1)
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cataclasites (1)
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eclogite (2)
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listwanite (3)
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marbles
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ophicalcite (2)
-
-
metaigneous rocks
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metabasalt (1)
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serpentinite (7)
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metasedimentary rocks
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metaconglomerate (1)
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metasomatic rocks
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rodingite (1)
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serpentinite (7)
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skarn (1)
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metavolcanic rocks (2)
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schists (1)
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ophiolite (5)
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turbidite (3)
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minerals
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arsenides
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arsenopyrite (2)
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carbonates
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ankerite (4)
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aragonite (35)
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calcite (106)
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dolomite (200)
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hydromagnesite (2)
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magnesian calcite (10)
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magnesite (10)
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protodolomite (2)
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pyroaurite (1)
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siderite (4)
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smithsonite (1)
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vaterite (1)
-
-
halides
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chlorides
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halite (5)
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sylvite (1)
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-
fluorides
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fluorite (4)
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humite (1)
-
-
-
minerals (28)
-
native elements
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diamond (5)
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graphite (1)
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oxides
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brannerite (1)
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brucite (2)
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chrome spinel (1)
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chromite (1)
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goethite (1)
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hematite (3)
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hercynite (1)
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limonite (1)
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magnetite (2)
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niobates
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columbite (1)
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pyrochlore (1)
-
-
rutile (2)
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sapphire (1)
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spinel group (1)
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uraninite (1)
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-
phosphates
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apatite (2)
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francolite (1)
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monazite (1)
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xenotime (1)
-
-
silicates
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chain silicates
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amphibole group
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clinoamphibole
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richterite (1)
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riebeckite (1)
-
tremolite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
aegirine (1)
-
diopside (1)
-
jadeite (2)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
wollastonite group
-
wollastonite (3)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (3)
-
-
plagioclase
-
albite (1)
-
anorthite (1)
-
-
-
nepheline group
-
nepheline (1)
-
-
silica minerals
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chalcedony (2)
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coesite (1)
-
opal
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opal-A (2)
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opal-CT (1)
-
-
quartz (15)
-
-
zeolite group
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heulandite (1)
-
-
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magnesian silicates (1)
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orthosilicates
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nesosilicates
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garnet group
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pyrope (1)
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humite (1)
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kyanite (1)
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larnite (1)
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olivine group
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forsterite (4)
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olivine (7)
-
-
zircon group
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coffinite (1)
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zircon (2)
-
-
-
-
ring silicates
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emerald (1)
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tourmaline group
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dravite (1)
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-
-
sheet silicates
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chlorite group
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chamosite (1)
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chlorite (4)
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clay minerals
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beidellite (2)
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kaolinite (1)
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montmorillonite (1)
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smectite (7)
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vermiculite (1)
-
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illite (11)
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mica group
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fluor-phlogopite (1)
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glauconite (1)
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phlogopite (2)
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-
palygorskite (1)
-
serpentine group
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antigorite (1)
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chrysotile (1)
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lizardite (2)
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serpentine (4)
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talc (3)
-
-
-
sulfates
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anhydrite (28)
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barite (1)
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celestine (1)
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gypsum (14)
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sulfides
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arsenopyrite (2)
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galena (6)
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iron sulfides (2)
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marcasite (1)
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pyrite (13)
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pyrrhotite (1)
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sphalerite (11)
-
-
-
Primary terms
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absolute age (17)
-
Africa
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Central Africa
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Angola
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Cabinda Angola (1)
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-
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East Africa
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Tanzania
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Oldoinyo Lengai (1)
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Kalahari Desert (1)
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North Africa
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Anti-Atlas (1)
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Egypt
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Morocco
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Anti-Atlas (1)
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High Atlas (2)
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Tunisia (5)
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Nubian Shield (1)
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Sahara (1)
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Southern Africa
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Gariep Belt (1)
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Namibia
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Damara Belt (1)
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South Africa
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North-West Province South Africa (1)
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-
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West Africa (1)
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Arctic Ocean
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Arctic region
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Greenland (1)
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Asia
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Arabian Peninsula
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Oman
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Qatar (7)
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Saudi Arabia
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Ghawar Field (4)
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United Arab Emirates
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Abu Dhabi (5)
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Yemen (1)
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Far East
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Borneo
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East Malaysia
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Sarawak Malaysia (2)
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China
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Hubei China
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Inner Mongolia China (1)
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Yunnan China (1)
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Indonesia (1)
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Malay Peninsula
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Malaysia
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West Malaysia (1)
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Himalayas
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Lesser Himalayas (2)
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Indian Peninsula
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India
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Dharwar Craton (1)
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Pakistan
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Khakasiya Russian Federation (1)
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Middle East
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Zagros (4)
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Siberia (2)
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Tyumen Russian Federation
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Khanty-Mansi Russian Federation (1)
-
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West Siberia (1)
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Yakutia Russian Federation
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Mir Pipe (1)
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Udachnaya Pipe (3)
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Atlantic Ocean
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Mid-Atlantic Ridge
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Rainbow hydrothermal field (1)
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North Atlantic
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Bay of Biscay (1)
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Caribbean Sea (2)
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Exuma Sound (1)
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Rainbow hydrothermal field (1)
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Scotian Shelf (1)
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South Atlantic
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Lower Congo Basin (2)
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Atlantic Ocean Islands
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atmosphere (3)
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Australasia
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Australia
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Queensland Australia
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South Australia (5)
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Western Australia
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Canning Basin (3)
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Lennard Shelf (1)
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Norseman-Wiluna Belt (1)
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Yilgarn Craton (1)
-
-
-
New Zealand (2)
-
-
bacteria (7)
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barite deposits (3)
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bibliography (1)
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bitumens (12)
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boron (1)
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Canada
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Maritime Provinces
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New Brunswick
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Nova Scotia
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Newfoundland and Labrador
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Ontario
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Quebec
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Elk Point Basin (2)
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Nunavut
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Western Canada
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Alberta
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British Columbia
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Northwest Territories
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Saskatchewan
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Yukon Territory (2)
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-
-
carbon
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C-13 (1)
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C-13/C-12 (178)
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C-14 (5)
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organic carbon (5)
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Caribbean region
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West Indies
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Lesser Antilles
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Virgin Islands
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Bahamas (17)
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Cayman Islands
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Grand Cayman Island (7)
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-
-
-
Cenozoic
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Quaternary
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Holocene
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upper Holocene (1)
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Pleistocene
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Lake Agassiz (1)
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Miami Limestone (2)
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middle Pleistocene (1)
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upper Pleistocene
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Lake Lisan (1)
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Lisan Formation (1)
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-
-
-
Tertiary
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Asmari Formation (2)
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lower Tertiary (1)
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Neogene
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Miocene
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Calvert Formation (1)
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lower Miocene
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Burdigalian (1)
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middle Miocene
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Choptank Formation (1)
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Langhian (1)
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upper Miocene
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Messinian (2)
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Tortonian (2)
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-
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Pliocene
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lower Pliocene (1)
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-
-
Paleogene
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Eocene
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Avon Park Formation (5)
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Castle Hayne Limestone (1)
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Green River Formation (3)
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lower Eocene
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Thebes Formation (1)
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-
middle Eocene (2)
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upper Eocene
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Priabonian (1)
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Uinta Formation (1)
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-
-
Oligocene
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Frio Formation (1)
-
-
Paleocene
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lower Paleocene
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Danian (2)
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K-T boundary (1)
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-
-
Wasatch Formation (1)
-
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Shahejie Formation (1)
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upper Cenozoic
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Chesapeake Group (2)
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Central America
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Belize (5)
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chemical analysis (3)
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Chordata
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Vertebrata
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Pisces (1)
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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clay mineralogy (6)
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climate change (1)
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construction materials
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continental shelf (2)
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core (2)
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data processing (12)
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Deep Sea Drilling Project (2)
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East Pacific Ocean Islands
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ecology (1)
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Europe
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Central Europe
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Italy
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Western Europe
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faults (64)
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geochemistry (184)
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ichnofossils
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Chondrites ichnofossils (1)
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Thalassinoides (2)
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Trypanites (1)
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igneous rocks
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sovite (1)
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lherzolite (2)
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-
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volcanic rocks
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basalts
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alkali basalts (1)
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glasses (2)
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pyroclastics
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ignimbrite (1)
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rhyolites (1)
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trachytes (1)
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-
-
inclusions
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fluid inclusions (85)
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Indian Ocean
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Arabian Sea
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Persian Gulf (12)
-
-
Red Sea
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Gulf of Aqaba (1)
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Gulf of Suez (2)
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-
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Indian Ocean Islands
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Maldive Islands (1)
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intrusions (18)
-
Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda (3)
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Hymenoptera (1)
-
-
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-
-
-
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Brachiopoda (5)
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Bryozoa (6)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (1)
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Scleractinia (1)
-
-
-
-
Echinodermata
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Crinozoa
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Crinoidea (7)
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Echinozoa
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Echinoidea (3)
-
-
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Mollusca
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Bivalvia
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Heterodonta
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Rudistae (1)
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-
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Cephalopoda (1)
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Gastropoda (3)
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Porifera
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Demospongea (1)
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Stromatoporoidea
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Amphipora (1)
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-
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae (1)
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Rotaliina
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Rotaliacea (1)
-
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Textulariina
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Lituolacea
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Orbitolinidae
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Orbitolina (2)
-
-
-
-
-
-
Vermes (1)
-
-
isotopes
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radioactive isotopes
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C-14 (5)
-
Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (4)
-
-
stable isotopes
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C-13 (1)
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C-13/C-12 (178)
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Ca-44/Ca-40 (1)
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D/H (7)
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deuterium (4)
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He-4 (1)
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Li-7/Li-6 (1)
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Mg-26/Mg-24 (1)
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Nd-144/Nd-143 (1)
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O-18 (1)
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O-18/O-16 (203)
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Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (4)
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Pb-208/Pb-206 (1)
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S-34/S-32 (20)
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Sr-87/Sr-86 (87)
-
-
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lava (3)
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limestone deposits (1)
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lineation (2)
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magmas (10)
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magnesite deposits (1)
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Malay Archipelago
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Borneo
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East Malaysia
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Sarawak Malaysia (2)
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-
-
-
mantle (18)
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maps (1)
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marine geology (1)
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Mediterranean region
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Balearic Islands
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Majorca (2)
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Minorca (1)
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-
-
Mediterranean Sea
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East Mediterranean (1)
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Pelagian Sea
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Gulf of Gabes (1)
-
-
West Mediterranean (2)
-
-
Mesozoic
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Cretaceous
-
Comanchean
-
Buda Limestone (1)
-
Edwards Formation (6)
-
Glen Rose Formation (1)
-
Rodessa Formation (1)
-
Trinity Group (1)
-
-
Kuskokwim Group (2)
-
Lower Cretaceous
-
Albian
-
Pinda Formation (2)
-
-
Aptian
-
Shuaiba Formation (3)
-
-
Barremian (2)
-
Edwards Formation (6)
-
Glen Rose Formation (1)
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Lagoa Feia Formation (1)
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Rodessa Formation (1)
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Trinity Group (1)
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Valanginian (1)
-
-
Macae Formation (1)
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Middle Cretaceous (1)
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Upper Cretaceous
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Blackhawk Formation (1)
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Buda Limestone (1)
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Cenomanian (5)
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Coniacian (1)
-
Eagle Sandstone (1)
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Frontier Formation (1)
-
K-T boundary (1)
-
Maestrichtian (1)
-
Senonian (4)
-
Turonian (3)
-
Tuscaloosa Formation (1)
-
-
Viking Formation (1)
-
-
Jurassic
-
Lower Jurassic
-
Feltville Formation (1)
-
lower Liassic (1)
-
Portland Formation (1)
-
-
Middle Jurassic
-
Aalenian (1)
-
Bajocian (1)
-
Bathonian (1)
-
-
Upper Jurassic
-
Arab Formation (5)
-
Buckner Formation (2)
-
Fulmar Formation (1)
-
Haynesville Formation (1)
-
Kimmeridgian (2)
-
Oxfordian (2)
-
Portlandian (1)
-
Smackover Formation (13)
-
Tithonian (1)
-
Volgian (1)
-
-
-
Maiolica Limestone (1)
-
Newark Supergroup (1)
-
Pucara Group (3)
-
Triassic
-
Charlie Lake Formation (1)
-
Lower Triassic
-
Permian-Triassic boundary (4)
-
-
Middle Triassic
-
Doig Formation (1)
-
Ladinian (1)
-
Muschelkalk (3)
-
-
Montney Formation (1)
-
Sherwood Sandstone (1)
-
Upper Triassic
-
Baldonnel Formation (1)
-
Carnian (1)
-
Keuper (1)
-
Rhaetian (1)
-
-
-
-
metal ores
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base metals (6)
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bismuth ores (1)
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copper ores (8)
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gold ores (8)
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iron ores (3)
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lead ores (31)
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lead-zinc deposits (40)
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magnesium ores (1)
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manganese ores (1)
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molybdenum ores (3)
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nickel ores (1)
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polymetallic ores (3)
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rare earth deposits (1)
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silver ores (6)
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tellurium ores (1)
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uranium ores (5)
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zinc ores (32)
-
-
metals
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actinides
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thorium (1)
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uranium (1)
-
-
alkali metals
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lithium
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Li-7/Li-6 (1)
-
-
potassium (2)
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sodium (7)
-
-
alkaline earth metals
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barium (2)
-
calcium
-
Ca-44/Ca-40 (1)
-
Mg/Ca (5)
-
-
magnesium
-
Mg/Ca (5)
-
Mg-26/Mg-24 (1)
-
-
strontium
-
Sr-87/Sr-86 (87)
-
-
-
arsenic (1)
-
chromium (2)
-
cobalt (1)
-
copper (1)
-
germanium (1)
-
iron
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (4)
-
Pb-207/Pb-204 (4)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (4)
-
Pb-208/Pb-206 (1)
-
-
manganese (13)
-
molybdenum (1)
-
precious metals (1)
-
rare earths
-
cerium (1)
-
europium (1)
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
yttrium (2)
-
-
vanadium (1)
-
zinc (4)
-
-
metamorphic rocks
-
amphibolites (1)
-
cataclasites (1)
-
eclogite (2)
-
listwanite (3)
-
marbles
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ophicalcite (2)
-
-
metaigneous rocks
-
metabasalt (1)
-
serpentinite (7)
-
-
metasedimentary rocks
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metaconglomerate (1)
-
-
metasomatic rocks
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rodingite (1)
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serpentinite (7)
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skarn (1)
-
-
metavolcanic rocks (2)
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schists (1)
-
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metamorphism (19)
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metasomatism (89)
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meteorology (1)
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Mexico (2)
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mineral deposits, genesis (80)
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mineral exploration (15)
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minerals (28)
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mining geology (1)
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Mohorovicic discontinuity (1)
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nitrogen (1)
-
noble gases
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helium
-
He-4 (1)
-
-
-
nodules (1)
-
North America
-
Appalachian Basin (4)
-
Appalachians
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Southern Appalachians (1)
-
Valley and Ridge Province (2)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
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Churchill Province (2)
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Slave Province (1)
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Superior Province
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Abitibi Belt (1)
-
-
-
Detroit River (1)
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Great Plains (1)
-
Gulf Coastal Plain (20)
-
Michigan Basin (10)
-
Niagara Escarpment (1)
-
North American Cordillera
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Canadian Cordillera (1)
-
-
Ogilvie Mountains (1)
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Pedregosa Basin (1)
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Purcell Mountains (1)
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Rocky Mountains
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Canadian Rocky Mountains (10)
-
U. S. Rocky Mountains
-
Absaroka Range
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Beartooth Mountains (1)
-
-
Bighorn Mountains (1)
-
Owl Creek Mountains (1)
-
Wind River Range (1)
-
-
-
Western Canada Sedimentary Basin (13)
-
Western Interior
-
Western Interior Seaway (1)
-
-
Western Overthrust Belt (2)
-
Williston Basin (14)
-
-
nuclear facilities (1)
-
ocean circulation (1)
-
Ocean Drilling Program
-
Leg 101
-
ODP Site 627 (1)
-
ODP Site 628 (1)
-
ODP Site 630 (1)
-
ODP Site 631 (1)
-
ODP Site 632 (1)
-
ODP Site 633 (1)
-
-
Leg 194
-
ODP Site 1193 (1)
-
-
Leg 201
-
ODP Site 1230 (1)
-
-
-
ocean floors (1)
-
Oceania
-
Melanesia
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New Caledonia (1)
-
-
Micronesia
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Marshall Islands
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Enewetak Atoll (5)
-
-
-
Polynesia
-
French Polynesia
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Tuamotu Islands
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Mururoa Atoll (1)
-
-
-
Hawaii
-
Hawaii County Hawaii
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Hawaii Island (1)
-
-
-
Niue (1)
-
-
-
oceanography (5)
-
oil and gas fields (73)
-
orogeny (16)
-
oxygen
-
dissolved oxygen (1)
-
O-18 (1)
-
O-18/O-16 (203)
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
Peru-Chile Trench (1)
-
Southeast Pacific (1)
-
-
Equatorial Pacific (1)
-
North Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
Northwest Pacific
-
Izu-Bonin Arc (1)
-
South China Sea (2)
-
-
-
South Pacific
-
Southeast Pacific (1)
-
Southwest Pacific
-
Coral Sea
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Great Barrier Reef (1)
-
Marion Plateau (2)
-
Solomon Sea (1)
-
-
Tasman Sea (1)
-
-
-
West Pacific
-
Northwest Pacific
-
Izu-Bonin Arc (1)
-
South China Sea (2)
-
-
Southwest Pacific
-
Coral Sea
-
Great Barrier Reef (1)
-
Marion Plateau (2)
-
Solomon Sea (1)
-
-
Tasman Sea (1)
-
-
-
-
paleoclimatology (7)
-
paleoecology (14)
-
paleogeography (37)
-
paleomagnetism (12)
-
paleontology (4)
-
Paleozoic
-
Arbuckle Group (5)
-
Cambrian
-
Acadian (1)
-
Conasauga Group (1)
-
Lancara Formation (1)
-
Lower Cambrian
-
Gog Group (1)
-
Yudoma Series (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Upper Cambrian
-
Bonneterre Formation (9)
-
Copper Ridge Dolomite (1)
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Amsden Formation (1)
-
Lower Carboniferous
-
Dinantian (13)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Charles Formation (1)
-
Harrodsburg Limestone (2)
-
Lower Mississippian
-
Chappel Limestone (1)
-
Fort Payne Formation (1)
-
Kinderhookian
-
Banff Formation (1)
-
-
Lake Valley Formation (1)
-
Lodgepole Formation (2)
-
Osagian
-
Burlington Limestone (3)
-
Keokuk Limestone (2)
-
-
-
Madison Group (10)
-
Middle Mississippian
-
Visean (6)
-
-
Mission Canyon Limestone (3)
-
Newman Limestone (1)
-
Ramp Creek Formation (1)
-
Upper Mississippian
-
Greenbrier Limestone (2)
-
Meramecian
-
Saint Louis Limestone (3)
-
Sainte Genevieve Limestone (3)
-
Salem Limestone (1)
-
-
Serpukhovian (1)
-
-
Windsor Group (3)
-
-
Namurian (1)
-
Pennsylvanian
-
Lower Pennsylvanian
-
Bashkirian (1)
-
-
Middle Pennsylvanian
-
Desmoinesian
-
Boggy Shale (1)
-
-
Moscovian (1)
-
Paradox Formation (1)
-
-
Upper Pennsylvanian
-
Missourian
-
Plattsburg Limestone (1)
-
Seminole Formation (1)
-
Stanton Formation (1)
-
Wyandotte Limestone (1)
-
-
-
-
Upper Carboniferous
-
Westphalian (1)
-
-
Wahoo Limestone (1)
-
-
Cow Head Group (1)
-
Devonian
-
Beaverhill Lake Group (2)
-
Keg River Formation (9)
-
Lost Burro Formation (1)
-
Lower Devonian (4)
-
Middle Devonian
-
Cedar Valley Formation (1)
-
Dundee Limestone (1)
-
Eifelian (1)
-
Elk Point Group (4)
-
Givetian (5)
-
Onondaga Limestone (1)
-
Prairie Evaporite (3)
-
Sulphur Point Formation (3)
-
Winnipegosis Formation (5)
-
-
Old Red Sandstone (1)
-
Slave Point Formation (5)
-
Swan Hills Formation (8)
-
Upper Devonian
-
Birdbear Formation (2)
-
Duperow Formation (2)
-
Famennian
-
Wabamun Group (9)
-
-
Frasnian
-
Leduc Formation (13)
-
-
Grosmont Formation (5)
-
Jefferson Group (2)
-
Nisku Formation (11)
-
Palliser Formation (1)
-
-
-
Exshaw Formation (2)
-
Helderberg Group (1)
-
Hunton Group (4)
-
Knox Group (11)
-
Laborcita Formation (1)
-
Lisburne Group (1)
-
lower Paleozoic
-
Penobscot Formation (1)
-
Rose Run Sandstone (1)
-
-
middle Paleozoic (1)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Ellenburger Group (5)
-
Kindblade Formation (1)
-
Kingsport Formation (1)
-
Manitou Formation (1)
-
Mascot Dolomite (2)
-
Saint George Group (6)
-
Tremadocian (3)
-
-
Middle Ordovician
-
Black River Group (8)
-
Darriwilian (1)
-
Decorah Shale (1)
-
Galena Dolomite (2)
-
Glenwood Shale (1)
-
Platteville Formation (3)
-
Saint Peter Sandstone (2)
-
-
Montoya Group (2)
-
Pogonip Group (1)
-
Tetagouche Group (1)
-
Trenton Group (12)
-
Upper Ordovician
-
Bighorn Dolomite (3)
-
Cincinnatian
-
Maysvillian (1)
-
Richmondian (2)
-
-
Juniata Formation (1)
-
Red River Formation (7)
-
Trentonian (10)
-
Yeoman Formation (3)
-
-
Utica Shale (1)
-
-
Permian
-
Glorieta Sandstone (1)
-
Guadalupian
-
Capitan Formation (1)
-
Cherry Canyon Formation (1)
-
Grayburg Formation (2)
-
Seven Rivers Formation (1)
-
Tansill Formation (2)
-
-
Khuff Formation (5)
-
Lower Permian
-
Abo Formation (2)
-
Cherry Canyon Formation (1)
-
Leonardian
-
Bone Spring Limestone (2)
-
Clear Fork Group (3)
-
-
Qixia Formation (2)
-
Wichita Group (3)
-
Wolfcampian (6)
-
-
Maokou Formation (2)
-
Meade Peak Member (1)
-
Park City Formation (1)
-
Phosphoria Formation (3)
-
Upper Permian
-
Changxing Formation (2)
-
Permian-Triassic boundary (4)
-
Zechstein (2)
-
-
Yeso Formation (2)
-
-
Rondout Formation (1)
-
Silurian
-
Bass Islands Dolomite (1)
-
Henryhouse Formation (2)
-
Lockport Formation (3)
-
Lower Silurian
-
Brassfield Formation (1)
-
Llandovery (1)
-
Wenlock (1)
-
-
Middle Silurian
-
Guelph Formation (1)
-
Keefer Sandstone (2)
-
Waldron Shale (1)
-
-
Niagaran (6)
-
Upper Silurian
-
Ludlow (1)
-
Salina Group (2)
-
-
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Bakken Formation (4)
-
-
-
palynomorphs (1)
-
paragenesis (58)
-
petroleum
-
natural gas (48)
-
-
petrology (16)
-
Phanerozoic (7)
-
phase equilibria (17)
-
phosphate deposits (2)
-
placers (1)
-
Plantae
-
algae (13)
-
-
plate tectonics (10)
-
pollution (4)
-
potash (1)
-
Precambrian
-
Archean
-
Neoarchean (2)
-
Timiskaming Group (1)
-
-
Cuddapah System (1)
-
middle Precambrian (1)
-
Transvaal Supergroup (3)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
-
Damara System (1)
-
Mesoproterozoic
-
Helikian (1)
-
-
Miette Group (1)
-
Neoproterozoic
-
Cryogenian (1)
-
Dengying Formation (1)
-
Ediacaran (3)
-
Vendian (1)
-
-
Paleoproterozoic
-
Aphebian (1)
-
-
Sinian
-
Dengying Formation (1)
-
-
-
-
-
problematic fossils
-
problematic microfossils
-
Tubiphytes (1)
-
-
-
Red Sea region (2)
-
reefs (65)
-
remote sensing (1)
-
reservoirs (3)
-
rock mechanics (2)
-
sandstone deposits (1)
-
sea water (38)
-
sea-level changes (44)
-
sedimentary petrology (232)
-
sedimentary rocks
-
carbonate rocks
-
beachrock (1)
-
boundstone
-
bafflestone (2)
-
-
chalk (6)
-
dolostone (242)
-
grainstone (46)
-
limestone
-
algal limestone (1)
-
biocalcarenite (1)
-
biomicrite (3)
-
biosparite (2)
-
calcarenite (6)
-
calcilutite (1)
-
coquina (2)
-
dolomitic limestone (3)
-
micrite (13)
-
microbialite (2)
-
microcrystalline limestone (1)
-
oolitic limestone (2)
-
-
packstone (26)
-
rudstone (4)
-
wackestone (29)
-
-
chemically precipitated rocks
-
chert (11)
-
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
carbonatization
Dolomite formation in the Miocene Kardiva platform, Maldives archipelago: a tale of closed-system and open-system dolomitization by current pumping of seawater Available to Purchase
Detailed Investigation of Dolomites in the Middle Jurassic Samana Suk Formation, Kahi Section, Nizampur Basin, North-Western Himalayas (Pakistan) Available to Purchase
Petrography and Geochemistry of the Triassic Elika Formation Dolomites in Zal Section, Jolfa, NW Iran Available to Purchase
Upper Jurassic Sediments in the Western Side of the Frolovskoye Basin in West Siberia: Diverse Patterns and Environments of Deposition Available to Purchase
Mineral diagenesis in a carbonate-rich mudstone: the Lower Carboniferous Hodder Mudstone, UK Available to Purchase
Abstract Mineral authigenesis in mudstones responds differently across the compositional spectrum of fine-grained rocks, resulting in a complex array of possible rock fabrics that affect the mechanical capacity of mudstones. Within carbonate-rich mudstones, geochemical controls on silicate and carbonate mineral reactions are variable and poorly understood. Here we analyse the diagenetic minerals of the carbonate-rich Hodder Mudstone from the Carboniferous Bowland Basin, UK, using SEM petrography combined with X-ray-based inorganic geochemical data. Our findings show that up to 90% of quartz cements in the samples are diagenetic, originating mainly from biogenic silica dissolution and clay mineral reactions. It is also evident that due to the varying diagenetic silica-yielding reactions, authigenic silica overgrowths and isolated authigenic quartz crystals are localized in argillaceous samples, while calcareous samples are characterized by silica replacement textures and quartz/calcite intergrowths. Moreover, euhedral dolomite crystals are concentrated within argillaceous units, whereas calcareous units are characterized by anhedral dolomite precipitation and replacement textures. These finding presents a case for facies-selective cementation, as both early and burial diagenetic alterations were observed to be controlled by primary depositional components of biogenic debris and extrabasinal silicate detritus that resulted in complex and variable precipitation of authigenic minerals.
Reservoir evaluation of dolomitized Devonian strata in the Western Canada Sedimentary Basin: implications for carbon capture, utilization, and storage Open Access
Disconformity-controlled hydrothermal dolomitization and cementation during basin evolution: Upper Triassic carbonates, UAE Open Access
Permeability of upper Wolfcamp lithofacies in the Delaware Basin: The role of stratigraphic heterogeneity in the production of unconventional reservoirs Open Access
The equilibrium boundary of the reaction Mg 3 Al 2 Si 3 O 12 + 3CO 2 = Al 2 SiO 5 + 2SiO 2 + 3MgCO 3 at 3–6 GPa Available to Purchase
Impacts of diagenetic processes on petrophysical characteristics of the Aptian presalt carbonates of the Santos Basin, Brazil Available to Purchase
Revision of the CaMgSi 2 O 6 -CO 2 P-T phase diagram at 3–6 GPa Available to Purchase
Clumped-isotope evidence for the formation of nonplanar dolomite textures at near-surface temperatures Available to Purchase
Dolomite mineralogy as a proxy record for lake level fluctuations: a case study from the Eocene Uteland Butte Member of the Green River Formation, Uinta Basin, Utah, U.S.A. Available to Purchase
Germanium Enrichment Mechanism: An Example from the Maoping Carbonate-Hosted Zn-Pb-(Ge) Deposit, SW China Available to Purchase
Regional stratigraphically discordant dolomite mapping based on a dolomitization mechanism on the Arabian carbonate shelf Available to Purchase
Olivine—The Alteration Rock Star Available to Purchase
Diagenesis of the Central Luconia Carbonate Platforms: The Roles of Early Dolomitization and Late Hydrothermal Fluids in Enhancing Deep Reservoir Properties Available to Purchase
The Central Luconia Miocene carbonate platform represents one of the largest regions of Liquified Natural Gas (LNG) production in the world. Although several studies have been conducted, the reservoir diagenesis of this gas-producing region remains poorly understood. To address this issue, a comprehensive and systematic diagenetic study has now been undertaken. Methodologies used included petrography, X-ray diffractometry (XRD), scanning electron microscopy (SEM), backscattered electron microscopy (BSEM), and cathodoluminescent microscopy (CL). Other technologies included elemental analysis using electron probe microanalyzer (EPMA), fluid inclusion microthermometry (FIM), and stable C, O, S, and Sr isotope analyses. The resulting datasets have been integrated so that the paleodiagenetic fluid flow, cementation history, and potential late-stage high-temperature hydrothermal corrosive fluids can be assessed with respect to the effect on reservoir potential. The results show that the reservoirs have undergone a complex diagenetic evolution over time. Six stages of calcite cementation (Cal-1 to Cal-6), four stages of dolomitization (Dol-1 to Dol-4), and one stage of dedolomitization (Ded-1) have occurred. Three phases of major dissolution and several minor late burial diagenetic events, such as fluorite and anhydrite replacement, pyritization, and kaolinite bridging have also been recognized. Each stage is characterized by different crystal habits, cathodoluminescent characteristics, elemental compositions, and isotopic signatures, indicating their precipitation took place at different temperatures and diagenetic environments. The early surface to shallow burial calcites (Cal-1 to Cal-4) and dolomites (Dol-1 to Dol-2) were mainly precipitated in marine, phreatic, and possible mixing water environments at relatively low temperatures (<50° C). The late calcites (Cal-5 and Cal-6), dolomites (Dol-3 and Dol-4), and dedolomite (Ded-1) were precipitated at higher temperatures (85–130° C). The late stages of dolomite (Dol-3 and Dol-4) have narrow distribution of δ 18 O[−5.29 to −6.03‰ Peedee Belemnite (PDB) scale], and δ 13 C (0.64 to −3.65‰ PDB) isotope values have been interpreted as precipitating from dolomitizing fluid that may be associated with deep burial and hydrothermal conditions. Fluid inclusion homogenization temperatures (Th) range from 125° to 130° C, and the melting temperatures of ice (Tm) range from −2.60° to −3.30° C, corresponding to a salinity of 4.34 to 5.41% weight NaCl equivalent. This interpretation also is consistent with the presence of large saddlelike dolomite and high-temperature minerals in the deeper part of the reservoirs. Three main phases of dissolution that enhanced the porosity occurred during the subaerial exposure of the platforms. The reservoir properties were enhanced further by early dolomitization, followed by hydrothermal-related corrosive fluids at high temperatures (>130° C) that possibly migrated upward from deep-seated areas underneath the reservoir via faults prior to hydrocarbon migration. This late diagenetic fluid flow was constrained by porous and nonporous layers formed during deposition and early diagenesis. These fluids created high porosity (up to 40%) and permeability (exceeding 1000 mD) within the hydrocarbon reservoirs.