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all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (1)
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Central Africa
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Angola (1)
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East Africa
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East African Rift (4)
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Algeria
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Egypt
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Free State South Africa
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Kemerovo Russian Federation (1)
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NanTroSEIZE
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Pacific region
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O-18/O-16 (17)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
S-34/S-32 (2)
-
Sr-87/Sr-86 (8)
-
-
-
large-ion lithophile elements (1)
-
metals
-
actinides
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uranium (2)
-
-
alkali metals
-
rubidium (1)
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sodium (1)
-
-
alkaline earth metals
-
beryllium
-
Be-10 (3)
-
-
calcium (1)
-
magnesium (1)
-
strontium
-
Sr-87/Sr-86 (8)
-
-
-
aluminum (2)
-
chromium (1)
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copper (1)
-
iron (1)
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (1)
-
nickel (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (3)
-
-
yttrium (1)
-
-
silver (1)
-
titanium (3)
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zinc (1)
-
zirconium (1)
-
-
nitrogen (3)
-
noble gases
-
helium (2)
-
neon (1)
-
radon
-
Rn-222 (1)
-
-
-
oxygen
-
O-18/O-16 (17)
-
-
sulfur
-
S-34/S-32 (2)
-
-
-
fossils
-
Chordata
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Vertebrata
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Pisces (1)
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Tetrapoda
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Aves (1)
-
Mammalia
-
Theria
-
Eutheria
-
Artiodactyla (1)
-
Cetacea
-
Odontoceti (1)
-
-
-
-
-
Reptilia
-
Diapsida
-
Archosauria
-
Crocodilia
-
Eusuchia (1)
-
-
dinosaurs
-
Saurischia
-
Sauropodomorpha
-
Sauropoda (2)
-
-
Theropoda (2)
-
-
-
-
Ichthyosauria (1)
-
Lepidosauria
-
Squamata
-
Lacertilia
-
Mosasauridae (1)
-
-
-
-
Sauropterygia
-
Plesiosauria (1)
-
-
-
-
-
-
-
Graptolithina (1)
-
ichnofossils (1)
-
Invertebrata
-
Arthropoda
-
Trilobitomorpha
-
Trilobita (1)
-
-
-
Brachiopoda (2)
-
Cnidaria
-
Anthozoa (1)
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Inocerami
-
Inoceramidae (1)
-
-
-
-
-
Cephalopoda
-
Ammonoidea (2)
-
Nautiloidea (1)
-
-
-
Porifera (1)
-
Protista
-
Foraminifera (2)
-
-
-
microfossils
-
Conodonta (3)
-
-
palynomorphs (2)
-
Plantae
-
algae
-
diatoms (2)
-
-
-
tracks (1)
-
-
geochronology methods
-
(U-Th)/He (1)
-
Ar/Ar (16)
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exposure age (1)
-
fission-track dating (4)
-
K/Ar (10)
-
paleomagnetism (26)
-
Rb/Sr (2)
-
Re/Os (3)
-
Sm/Nd (1)
-
tephrochronology (1)
-
thermochronology (4)
-
U/Pb (13)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (2)
-
Quaternary
-
Cordilleran ice sheet (1)
-
Holocene
-
lower Holocene (1)
-
upper Holocene (8)
-
-
Pleistocene
-
Bandelier Tuff (1)
-
Bishop Tuff (1)
-
Illinoian (1)
-
lower Pleistocene
-
Calabrian (1)
-
Gelasian (1)
-
-
middle Pleistocene (1)
-
upper Pleistocene
-
Eemian (1)
-
Weichselian (1)
-
Wisconsinan (3)
-
-
-
upper Quaternary (3)
-
-
Tertiary
-
John Day Formation (1)
-
lower Tertiary (5)
-
middle Tertiary (3)
-
Neogene
-
Miocene
-
Columbia River Basalt Group (1)
-
Grande Ronde Basalt (1)
-
lower Miocene
-
Aquitanian (1)
-
Burdigalian (1)
-
-
middle Miocene (3)
-
Stevens Sandstone (1)
-
upper Miocene
-
Messinian
-
Messinian Salinity Crisis (1)
-
-
Santa Margarita Formation (1)
-
-
-
Pliocene
-
lower Pliocene
-
Zanclean (1)
-
-
middle Pliocene (1)
-
upper Pliocene (1)
-
-
Sisquoc Formation (1)
-
upper Neogene (2)
-
-
Paleogene
-
Eocene
-
Green River Formation (3)
-
lower Eocene
-
Thebes Formation (1)
-
Ypresian
-
London Clay (2)
-
-
-
middle Eocene
-
Lutetian (1)
-
-
Parachute Creek Member (1)
-
upper Eocene (4)
-
-
lower Paleogene (1)
-
Oligocene
-
Boom Clay (4)
-
Fontainebleau Sandstone (1)
-
Frio Formation (3)
-
lower Oligocene (2)
-
middle Oligocene (1)
-
upper Oligocene (3)
-
Vicksburg Group (1)
-
-
Paleocene (10)
-
Waikato Coal Measures (1)
-
Wasatch Formation (1)
-
Wilcox Group (2)
-
-
-
upper Cenozoic (7)
-
-
Coal Measures (1)
-
Laurentide ice sheet (3)
-
Mesozoic
-
Carrara Marble (2)
-
Cretaceous
-
Colorado Group (2)
-
Comanchean
-
Buda Limestone (1)
-
Edwards Formation (1)
-
Glen Rose Formation (3)
-
Travis Peak Formation (1)
-
-
Lower Cretaceous
-
Albian
-
upper Albian (1)
-
-
Aptian (2)
-
Barremian (1)
-
Berriasian (1)
-
Bluesky Formation (1)
-
Cedar Mountain Formation (1)
-
Clearwater Formation (3)
-
Edwards Formation (1)
-
Fall River Formation (1)
-
Glen Rose Formation (3)
-
Mannville Group (2)
-
McMurray Formation (3)
-
Muderong Shale (1)
-
Newcastle Sandstone (1)
-
Sligo Formation (1)
-
Speeton Clay (1)
-
Torok Formation (1)
-
Travis Peak Formation (1)
-
Yingcheng Formation (1)
-
-
Mancos Shale (3)
-
Middle Cretaceous (1)
-
Natih Formation (1)
-
Upper Cretaceous
-
Almond Formation (1)
-
Bearpaw Formation (2)
-
Belly River Formation (2)
-
Buda Limestone (1)
-
Campanian (1)
-
Cardium Formation (2)
-
Cenomanian
-
Dunvegan Formation (1)
-
upper Cenomanian (1)
-
-
Codell Sandstone Member (2)
-
Coniacian (1)
-
Fruitland Formation (1)
-
Greenhorn Limestone (1)
-
Gulfian
-
Austin Chalk (7)
-
Eagle Ford Formation (14)
-
Woodbine Formation (1)
-
-
La Luna Formation (1)
-
Lewis Shale (2)
-
Maestrichtian (1)
-
Mesaverde Group (6)
-
Niobrara Formation (5)
-
Pierre Shale (3)
-
Santonian (3)
-
Senonian (2)
-
Turonian (3)
-
Tuscaloosa Formation (2)
-
Vivian Formation (1)
-
Williams Fork Formation (1)
-
-
Viking Formation (3)
-
-
Franciscan Complex (3)
-
Great Valley Sequence (1)
-
Jurassic
-
Carmel Formation (4)
-
Fernie Formation (1)
-
Heather Formation (1)
-
Lower Jurassic
-
Dunlin Group (1)
-
Toarcian (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Aalenian (1)
-
Bajocian
-
Brent Group (3)
-
-
Callovian (1)
-
-
Opalinus Clay (1)
-
San Rafael Group (2)
-
Solnhofen Limestone (2)
-
Upper Jurassic
-
Arab Formation (1)
-
Bossier Formation (1)
-
Cotton Valley Group (5)
-
Entrada Sandstone (4)
-
Fulmar Formation (3)
-
Haynesville Formation (5)
-
Josephine Ophiolite (1)
-
Kimmeridgian (2)
-
Morrison Formation (1)
-
Oxfordian (1)
-
Swift Formation (1)
-
-
-
lower Mesozoic (1)
-
Navajo Sandstone (6)
-
Passaic Formation (1)
-
Statfjord Formation (3)
-
Triassic
-
Lower Triassic
-
Bunter (1)
-
Induan (1)
-
-
Middle Triassic
-
Doig Formation (1)
-
-
Montney Formation (5)
-
Shublik Formation (1)
-
Upper Triassic
-
Keuper (1)
-
Mercia Mudstone (2)
-
Xujiahe Formation (4)
-
Yanchang Formation (10)
-
-
-
Vaca Muerta Formation (3)
-
Wingate Sandstone (1)
-
Yanshanian (4)
-
-
Paleozoic
-
Acatlan Complex (1)
-
Arbuckle Group (5)
-
Berea Sandstone (15)
-
Bird Spring Formation (1)
-
Cambrian
-
Lower Cambrian (3)
-
Upper Cambrian
-
Eau Claire Formation (1)
-
Mount Simon Sandstone (3)
-
Nopah Formation (1)
-
-
-
Carboniferous
-
Benxi Formation (2)
-
Hale Formation (1)
-
Huanglong Formation (1)
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Barnett Shale (19)
-
Boone Formation (1)
-
Leadville Formation (1)
-
Lower Mississippian
-
Lodgepole Formation (1)
-
-
Madison Group (1)
-
Middle Mississippian
-
Visean (1)
-
-
Monte Cristo Limestone (1)
-
Upper Mississippian
-
Fayetteville Formation (1)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Conemaugh Group (1)
-
Herrin Coal Member (1)
-
Lower Pennsylvanian
-
Morrowan
-
Bloyd Formation (1)
-
-
-
Marble Falls Group (1)
-
Middle Pennsylvanian
-
Carbondale Formation (1)
-
Paradox Formation (1)
-
-
Upper Pennsylvanian
-
Canyon Group (1)
-
-
Westerly Granite (6)
-
-
Upper Carboniferous (5)
-
-
Devonian
-
Barre Granite (1)
-
Lower Devonian
-
Manlius Formation (1)
-
-
Middle Devonian
-
Hamilton Group (2)
-
Mahantango Formation (1)
-
Marcellus Shale (17)
-
Onondaga Limestone (2)
-
Winnipegosis Formation (1)
-
-
Millboro Shale (1)
-
Old Red Sandstone (2)
-
Popovich Formation (1)
-
Upper Devonian
-
Brallier Shale (1)
-
Chemung Formation (1)
-
Famennian
-
Wabamun Group (1)
-
-
Frasnian
-
Leduc Formation (1)
-
-
Huron Member (1)
-
-
-
lower Paleozoic (8)
-
Manhattan Formation (1)
-
Maroon Formation (1)
-
Ordovician
-
Lower Ordovician (1)
-
Middle Ordovician
-
Black River Group (1)
-
Saint Peter Sandstone (2)
-
-
Trenton Group (1)
-
Upper Ordovician
-
Juniata Formation (1)
-
Red River Formation (1)
-
Trentonian (1)
-
Wufeng Formation (3)
-
Yeoman Formation (2)
-
-
Vinini Formation (1)
-
Viola Limestone (2)
-
-
Permian
-
Coconino Sandstone (1)
-
Guadalupian
-
Delaware Mountain Group (1)
-
-
Khuff Formation (2)
-
Lower Permian
-
Leman Sandstone Formation (1)
-
Leonardian
-
Bone Spring Limestone (2)
-
-
Qixia Formation (1)
-
Wolfcampian (4)
-
-
Maokou Formation (1)
-
Rotliegendes (3)
-
Shihezi Formation (1)
-
Unayzah Formation (2)
-
Upper Permian
-
Zechstein (6)
-
-
-
Silurian
-
Lower Silurian (7)
-
Middle Silurian (1)
-
-
Taiyuan Formation (3)
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Arkansas Novaculite (1)
-
Bakken Formation (5)
-
Garhwal Group (1)
-
Shanxi Formation (4)
-
-
Weber Sandstone (1)
-
Woodford Shale (2)
-
-
Phanerozoic (4)
-
Precambrian
-
Adirondack Anorthosite (1)
-
Animikie Group (1)
-
Archean
-
Blake River Group (1)
-
Fig Tree Group (1)
-
Neoarchean (2)
-
-
Central Rand Group (1)
-
Chuanlinggou Formation (1)
-
Hecla Hoek Formation (1)
-
Lewisian Complex (1)
-
Onverwacht Group (1)
-
Pongola Supergroup (1)
-
Unkar Group (1)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Huronian
-
Gowganda Formation (2)
-
-
Mesoproterozoic
-
Fordham Gneiss (1)
-
-
Neoproterozoic
-
Dengying Formation (1)
-
Ediacaran (1)
-
Riphean (1)
-
Tonian (1)
-
Torridonian (1)
-
Vendian (2)
-
-
Paleoproterozoic
-
Birimian (1)
-
-
Sinian
-
Dengying Formation (1)
-
-
-
-
-
Rhenohercynian (1)
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (1)
-
kimberlite (5)
-
picrite (1)
-
plutonic rocks
-
anorthosite (4)
-
diabase (7)
-
diorites
-
ferrodiorite (2)
-
tonalite (3)
-
trondhjemite (1)
-
-
gabbros
-
alkali gabbros
-
teschenite (1)
-
-
troctolite (1)
-
-
granites
-
leucogranite (2)
-
monzogranite (3)
-
S-type granites (1)
-
-
granodiorites (9)
-
lamprophyres (1)
-
pegmatite (3)
-
quartz monzonite (2)
-
ultramafics
-
peridotites
-
dunite (1)
-
harzburgite (1)
-
-
pyroxenite (1)
-
-
-
porphyry (1)
-
volcanic rocks
-
andesites
-
andesite porphyry (1)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (1)
-
hawaiite (1)
-
mugearite (1)
-
-
columnar basalt (1)
-
flood basalts (1)
-
mid-ocean ridge basalts (1)
-
tholeiite (2)
-
-
dacites (4)
-
glasses
-
obsidian (1)
-
volcanic glass (2)
-
-
pyroclastics
-
hyaloclastite (1)
-
ignimbrite (1)
-
tuff (4)
-
welded tuff (1)
-
-
rhyolites (4)
-
trachytes (1)
-
-
-
ophiolite (1)
-
ophite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (5)
-
cataclasites (11)
-
eclogite (1)
-
gneisses
-
biotite gneiss (1)
-
granite gneiss (1)
-
orthogneiss (1)
-
paragneiss (1)
-
-
granulites (6)
-
hornfels (1)
-
marbles (11)
-
metaigneous rocks
-
metabasite (2)
-
metadacite (1)
-
metagabbro (1)
-
metagranite (1)
-
serpentinite (3)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metapelite (2)
-
metasiltstone (2)
-
paragneiss (1)
-
-
metasomatic rocks
-
greisen (2)
-
serpentinite (3)
-
skarn (1)
-
-
metavolcanic rocks (4)
-
migmatites (11)
-
mylonites
-
pseudotachylite (9)
-
ultramylonite (4)
-
-
phyllites (1)
-
quartzites (14)
-
schists
-
biotite schist (1)
-
-
slates (6)
-
-
ophiolite (1)
-
ophite (1)
-
turbidite (11)
-
-
meteorites
-
meteorites
-
Allan Hills Meteorites (1)
-
-
-
minerals
-
alabaster (1)
-
alloys (2)
-
carbonates
-
calcite (28)
-
dolomite (7)
-
magnesite (1)
-
siderite (4)
-
-
halides
-
chlorides
-
halite (13)
-
-
-
hydrates (1)
-
minerals (19)
-
native elements
-
diamond (2)
-
graphite (3)
-
-
oxides
-
goethite (2)
-
ilmenite (1)
-
iron oxides (1)
-
magnetite (6)
-
perovskite (2)
-
spinel (1)
-
uraninite (1)
-
-
phosphates
-
apatite (5)
-
hydroxylapatite (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (3)
-
-
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
diopside (2)
-
-
orthopyroxene
-
enstatite (1)
-
hypersthene (1)
-
-
-
wollastonite group
-
wollastonite (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
perthite (1)
-
-
plagioclase
-
anorthite (1)
-
-
-
silica minerals
-
agate (1)
-
coesite (1)
-
opal
-
opal-CT (1)
-
-
quartz
-
alpha quartz (2)
-
-
stishovite (2)
-
-
zeolite group (1)
-
-
orthosilicates
-
nesosilicates
-
garnet group
-
almandine (1)
-
pyrope (1)
-
-
olivine group
-
forsterite (2)
-
olivine (9)
-
wadsleyite (1)
-
-
titanite group
-
titanite (1)
-
-
zircon group
-
zircon (10)
-
-
-
-
ring silicates
-
cordierite (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (5)
-
sudoite (1)
-
-
clay minerals
-
kaolinite (13)
-
montmorillonite (4)
-
smectite (11)
-
vermiculite (1)
-
-
illite (12)
-
mica group
-
biotite (5)
-
muscovite (3)
-
-
pyrophyllite (1)
-
serpentine group
-
antigorite (1)
-
lizardite (2)
-
serpentine (1)
-
-
talc (1)
-
-
-
sulfates
-
alunite (1)
-
anhydrite (4)
-
bassanite (1)
-
celestine (1)
-
gypsum (9)
-
jarosite (1)
-
-
sulfides
-
chalcopyrite (1)
-
galena (2)
-
molybdenite (1)
-
pyrite (4)
-
sphalerite (1)
-
-
-
Primary terms
-
absolute age (38)
-
Africa
-
Afar (1)
-
Central Africa
-
Angola (1)
-
-
East Africa
-
Djibouti (1)
-
Ethiopia (1)
-
Kenya (2)
-
Sudan (1)
-
Tanzania (1)
-
-
East African Rift (4)
-
Limpopo Belt (1)
-
North Africa
-
Algeria
-
Algiers Algeria (1)
-
Berkine Basin (1)
-
Great Kabylia (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
-
Egypt
-
Eastern Desert (2)
-
Kharga Oasis (1)
-
Nile Delta (2)
-
-
Illizi Basin (1)
-
Libya
-
Cyrenaica (1)
-
Sirte Basin (1)
-
-
Maghreb (1)
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
Rif (2)
-
-
Tell (1)
-
Tunisia (5)
-
-
Nubian Shield (1)
-
Senegal River (1)
-
Southern Africa
-
Barberton greenstone belt (1)
-
Kaapvaal Craton (3)
-
Karoo Basin (1)
-
Namaqualand (1)
-
Namibia
-
Damara Belt (1)
-
-
South Africa
-
Bushveld Complex (2)
-
Eastern Cape Province South Africa
-
Cape Town South Africa (1)
-
-
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Leg 69 (1)
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Leg 84
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DSDP Site 565 (1)
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Integrated Ocean Drilling Program
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Expedition 308
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IODP Site U1322 (1)
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IODP Site C0002 (1)
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intrusions (109)
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Invertebrata
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Cephalopoda
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Albian
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upper Albian (1)
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upper Cenomanian (1)
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Codell Sandstone Member (2)
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La Luna Formation (1)
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Jurassic
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upper Liassic (1)
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Middle Jurassic
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Upper Jurassic
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lower Mesozoic (1)
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Triassic
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Upper Triassic
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Vaca Muerta Formation (3)
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metal ores
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ODP Site 891 (1)
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Leg 148 (1)
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ODP Site 920 (1)
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Leg 156
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ODP Site 948 (1)
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Leg 164 (1)
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Leg 170
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ODP Site 1039 (2)
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Leg 172
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ODP Site 1054 (1)
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ocean floors (34)
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Oceania
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Pacific region
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Paleozoic
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Carboniferous
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Westerly Granite (6)
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lower Paleozoic (8)
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Permian
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Khuff Formation (2)
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Lower Permian
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Qixia Formation (1)
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Maokou Formation (1)
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Upper Permian
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Zechstein (6)
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Silurian
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Taiyuan Formation (3)
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upper Paleozoic
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Weber Sandstone (1)
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South America
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United States
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Journal Article
MECHANISMS OF TECTONIC STRUCTURE FORMATION IN THE JUNCTION ZONES OF MOUNTAIN RANGES AND SEDIMENTARY BASINS: GEOMECHANICAL NUMERICAL MODELING Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 June 2025
Russ. Geol. Geophys. (2025) 66 (6): 676–691.
... deformation structure thrust reverse fault pop-up structure pop-down structure mountain range intramontane basin foreland basin The evolution of mountainous and foothill regions is largely determined by the stress field. This leads to the assumption that stresses largely determine the features...
Journal Article
An efficient short memory algorithm for the propagation of viscoacoustic waves in heterogeneous media Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 25 March 2025
Geophysics (2025) 90 (3): F27–F41.
... to the existence of fractional-derivative stress-strain relations with less than one Caputo fractional derivative and the heterogeneous of earth’s materials, there are great challenges in maintaining numerical accuracy and efficiency. To address these challenges, we develop an efficient short memory algorithm...
Includes: Supplemental Content
Journal Article
Assessment of critically stressed fractures due to water injection — A case study from the Devonian clastic reservoir of the Berkaoui Field, Algeria Available to Purchase
Journal: Interpretation
Publisher: Society of Exploration Geophysicists
Published: 21 February 2025
Interpretation (2025) 13 (2): T291–T298.
... with a mean maximum horizontal stress azimuth of 98°N. A total of 131 natural fractures are interpreted from acoustic image logs. These fractures have dominantly east–west strikes, with the true dips ranging between 51° and 80° toward north and south. Critically stressed fracture analysis exhibits the onset...
Journal Article
Earthquake Stress Drop, Source Spectra from Laboratory Experiments, and the Apparent Unsteadiness of Frictional Slip Available to Purchase
Publisher: Seismological Society of America
Published: 21 February 2025
Bulletin of the Seismological Society of America (2025) 115 (3): 1105–1131.
...Brian Kilgore; N. M. Beeler ABSTRACT During frictional failure experiments, high sample rate slip, stress, and slip velocity measurements were used to determine seismic source properties. The experiments were conducted over a range of coseismic total energy release. Near‐field measurements were...
Journal Article
Seismic Energy Radiated by Earthquakes in the North‐Central Region of the Gulf of California, Mexico Available to Purchase
Publisher: Seismological Society of America
Published: 22 January 2025
Bulletin of the Seismological Society of America (2025) 115 (3): 1031–1050.
..., the apparent stress shows an ostensible inverse correlation with the seismic moment. The apparent stress from the northern to the central regions of the GoC varies between 0.0005 and 0.4 MPa. We observed that earthquakes with lower and higher apparent stress tend to concentrate in regions with normal...
Includes: Supplemental Content
Journal Article
Study on Distribution Law of Ground Stress in Main Coal Seam of Qinshui Coalfield Open Access
Journal: Lithosphere
Publisher: GSW
Published: 17 January 2025
Lithosphere (2025) 2025 (1): lithosphere_2024_197.
...Feng Youliang; Wu Longyun Abstract In order to investigate the distribution patterns of in situ stress in the main coal seams (3 # and 15 # ) of the Qinshui coalfield, an in-depth analysis was conducted on the in situ stress measurement results obtained from 139 measurement points across 46 mines...
Journal Article
Intelligent Identification of Sample‐Adaptive Fracture Systems and Seismic Structure Analysis: A Case Study of the Hutubi Gas Storage Field in Xinjiang, China Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 17 January 2025
Seismological Research Letters (2025) 96 (3): 1937–1952.
... and fractures. Finally, we combined the multiscale identification results with precise earthquake locations to determine the seismogenic structures. The study found that stress perturbations within the HUGS field induce seismic activity along pre‐existing faults and small‐scale fractures, influencing...
Includes: Supplemental Content
Journal Article
Real‐Time Local Shear‐Wave Splitting Measurement: Application to the Vicinity of the Baihetan Hydropower Plant Available to Purchase
Publisher: Seismological Society of America
Published: 03 January 2025
Bulletin of the Seismological Society of America (2025) 115 (2): 505–515.
... on the reliability and interpretability of the automated measurements. Most fast‐wave polarization directions align with the regional maximum horizontal stress and the nearby fault trends, generally consistent with previous observations. Five stations near the Zemuhe and Xiaojiang faults show a nearly 90° flip...
Includes: Supplemental Content
Journal Article
Does Subsurface Fault Geometry Affect Aleatory Variability in Modeled Strike‐Slip Fault Behavior? Available to Purchase
Publisher: Seismological Society of America
Published: 03 January 2025
Bulletin of the Seismological Society of America (2025) 115 (2): 399–415.
...Olaf Zielke; P. Martin Mai ABSTRACT The nonplanar geometry of faults influences their seismotectonic behavior, affecting the initiation, propagation, and termination of individual earthquakes as well as the stress–slip relationship and probability of multisegment rupture. Consequently, computer...
Includes: Supplemental Content
Journal Article
InSAR‐Based Coseismic Deformation, Fault Slip Distribution, and Coulomb Stress Propagation of the 2023 Herat Earthquake Sequence Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 30 December 2024
Seismological Research Letters (2025) 96 (3): 1491–1503.
... the fault transition zone formed by the Doruneh and Herat fault systems; this area is primarily influenced by compressional stress from northeastern Iran. We used Interferometric Synthetic Aperture Radar to obtain the coseismic deformation of the earthquake sequence. Coseismic surface deformation in both...
Journal Article
Combining Two Distinct Methods to Resolve Spatial Variation in Attenuation and Earthquake Source Parameters Available to Purchase
Publisher: Seismological Society of America
Published: 26 December 2024
Bulletin of the Seismological Society of America (2025) 115 (3): 875–889.
...Giovanna Calderoni; Rachel E. Abercrombie ABSTRACT Stress drop is a fundamental parameter in ground‐motion modeling and seismic hazard assessment, but spectral estimates are subject to considerable uncertainties. A variety of factors cause different methods to yield different results, including...
Includes: Supplemental Content
Journal Article
BIEM_CH: An Efficient Algorithm for Dynamic Rupture Simulation of Complex Fault Systems with Unstructured Meshes and Half‐Space Green’s Function Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 18 December 2024
Seismological Research Letters (2025) 96 (3): 1886–1900.
... and branched faults were conducted to confirm the accuracy of BIEM_CH. The BIEM is employed in the simulation of dynamic rupture propagation, for which the fault plane is discretized into N triangular (unstructured) or square (structured) meshes. The stress at the m th mesh at the p th timestep can...
Journal Article
Effects of Thermal and Stress Cycles on the Mechanical Properties and Acoustic Emission Characteristics of Rocks Open Access
Journal: Lithosphere
Publisher: GSW
Published: 17 December 2024
Lithosphere (2024) 2024 (4): lithosphere_2024_168.
... BY 4.0). An underground energy storage chamber is a subterranean facility designed for energy storage. Its design and construction must consider rock mechanics, geological conditions, and engineering techniques to ensure safety and long-term stability [ 1 - 3 ]. The stress conditions...
Journal Article
Geomechanical modeling of reservoir dynamics associated with shallow injection and production in the Delaware Basin Available to Purchase
Kevin J. Smart, Katie M. Smye, Adam J. Cawood, David A. Ferrill, Peter H. Hennings, Elizabeth A. Horne
Journal: Interpretation
Publisher: Society of Exploration Geophysicists
Published: 16 December 2024
Interpretation (2025) 13 (1): T33–T47.
... environment. Among the important but not yet fully answered questions are: (1) what are the temporal and spatial changes in stress and pore pressure in response to fluid injection and production, and (2) how do these changes relate to slip on preexisting faults and surface deformation? We simulate stress...
Journal Article
Frictional Characteristics of Granite Fault under Imposed Dynamic Normal Disturbance Loads Open Access
Journal: Lithosphere
Publisher: GSW
Published: 12 December 2024
Lithosphere (2024) 2024 (4): lithosphere_2024_144.
... and safety of rock engineering projects. In this study, we report on laboratory experiments to investigate the response of simulated faults. These experiments involved the use of bare granite surfaces to mimic fault behavior, while considering various initial stress ratios and applied normal disturbance...
Journal Article
The effect of displacement loading rate on dynamic mechanical characteristics of fault stick-slip under constant normal stiffness conditions Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 12 December 2024
Geophysics (2025) 90 (1): L1–L19.
... remains uncertain. To bridge this research gap, we conduct an experimental investigation on simulated faults in granite under CNS conditions. Our analysis focus on the influence of the displacement loading rate on the spatial and temporal evolution of local stresses along the fault and the size...
Journal Article
Capturing Broadband Spectral Characteristics of Moderate‐Size Earthquakes Using Nearby Recordings: A Case Study of 42 M w 4.0–5.4 Ridgecrest Earthquakes Available to Purchase
Publisher: Seismological Society of America
Published: 06 December 2024
Bulletin of the Seismological Society of America (2025) 115 (3): 850–874.
...Chen Ji; Ralph J. Archuleta; Aaron Peyton ABSTRACT Characterizing the information in earthquake source spectra requires three measures: seismic moment M 0 , apparent stress σ a , and stress parameter Δ σ B . We estimate σ a and Δ σ B for 42 Ridgecrest, California, earthquakes ( 4.0 ≤ M w ≤ 5.4...
Includes: Supplemental Content
Journal Article
Effects of overconsolidation on seismic rock physics — A comparative study between unconsolidated sands and weakly cemented sandstone Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 04 December 2024
Geophysics (2025) 90 (1): MR1–MR12.
...Jiaxin Yu; Per Avseth; Kenneth Duffaut ABSTRACT In seismic rock physics, models typically assume rocks are normally consolidated, often neglecting the effects of overconsolidation. Recent studies reveal that overconsolidated sands, resulting from stress release, show different physical property...
Journal Article
Structural and Rheological Controls on Hydrothermal Fluid Flux within Orogenic Gold Systems — Insights from the Oberon Deposit, Granites-Tanami Orogen, Australia Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 December 2024
Economic Geology (2024) 119 (8): 1809–1832.
... present the first detailed description of this economically significant deposit. We find that an interplay between rheological architecture, varying stress field, and hydrothermal fluid pressure significantly influenced the orientation, grade, and endowment of mineralization. Three discrete generations...
Journal Article
Knowns, questions, and implications of induced seismicity in the Permian Basin Available to Purchase
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 December 2024
AAPG Bulletin (2024) 108 (12): 2201–2214.
...Peter Hennings; Katie M. Smye ABSTRACT Unconventional hydrocarbon development in the Permian Basin has required disposal of approximately 45 billion bbl of coproduced wastewater since 2009. This injection has altered subsurface stress and caused the widespread development of earthquakes...
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GeoRef Thesaurus
stress
Scope Notes: As of 2005, also see paleostress if applicable.
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