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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Algeria (2)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Ghadames Basin (1)
-
Libya
-
Murzuk Basin (2)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Tunisia (1)
-
-
Sahara (1)
-
Southern Africa
-
South Africa
-
Western Cape Province South Africa (3)
-
-
-
-
Asia
-
Central Asia
-
Kazakhstan
-
Eastern Kazakhstan
-
Chingis-Tau (1)
-
Semipalatinsk Kazakhstan (1)
-
-
-
-
Far East
-
China
-
Guizhou China (1)
-
Hubei China (1)
-
Inner Mongolia China (1)
-
Jiangxi China (1)
-
Ningxia China (1)
-
Yangtze Platform (5)
-
Zhejiang China (2)
-
-
-
Tarbagatay Range (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Saint Lawrence (1)
-
Hudson Bay (1)
-
Labrador Sea (2)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
-
-
Caledonides (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Newfoundland and Labrador
-
Newfoundland
-
New World Island (1)
-
Notre Dame Bay (2)
-
-
-
Ontario
-
Bruce Peninsula (1)
-
Manitoulin District Ontario
-
Manitoulin Island (5)
-
-
Timiskaming District Ontario (1)
-
-
Quebec
-
Anticosti Island (15)
-
Gaspe Peninsula (3)
-
-
-
Hudson Bay (1)
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Mackenzie Mountains (1)
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Nunavut
-
Southampton Island (1)
-
-
Western Canada
-
Manitoba
-
Churchill Manitoba (1)
-
-
Northwest Territories (3)
-
Yukon Territory (1)
-
-
-
Commonwealth of Independent States
-
Kazakhstan
-
Eastern Kazakhstan
-
Chingis-Tau (1)
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Semipalatinsk Kazakhstan (1)
-
-
-
-
Dunnage Melange (1)
-
Europe
-
Baltic region
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Estonia (3)
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Latvia (2)
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Central Europe
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Bohemian Massif (1)
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Czech Republic
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Bohemia
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Prague Basin (1)
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Germany
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Bavaria Germany (1)
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Thuringia Germany (1)
-
-
Poland (1)
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Sudeten Mountains
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Izera Mountains (1)
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Karkonosze Mountains (1)
-
-
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Castilla-La Mancha Spain
-
Ciudad Real Spain (1)
-
-
Montes de Toledo (1)
-
Sierra Morena (1)
-
-
-
-
Western Europe
-
Belgium (1)
-
France
-
Armorican Massif (1)
-
-
Iceland (1)
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Ireland (1)
-
Scandinavia
-
Norway
-
Northern Norway (1)
-
-
Sweden (2)
-
-
United Kingdom
-
Great Britain
-
England
-
Cumbria England
-
Howgill Fells (1)
-
-
Shropshire England (1)
-
Yorkshire England (1)
-
-
Scotland
-
Ayrshire Scotland
-
Girvan Scotland (6)
-
-
Scottish Highlands
-
Grampian Highlands (1)
-
-
-
Wales
-
Merionethshire Wales (1)
-
Welsh Basin (1)
-
-
-
Northern Ireland (1)
-
-
-
-
Lake District (2)
-
McGrath Quadrangle (1)
-
Midland Valley (2)
-
Midlands (1)
-
Mohawk Valley (1)
-
North America
-
Appalachians
-
Northern Appalachians (1)
-
-
Great Lakes
-
Lake Huron (2)
-
-
Great Lakes region (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
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Bighorn Mountains (1)
-
-
-
Saint Lawrence Lowlands (1)
-
-
Sierra Nevada (2)
-
South America
-
Argentina (2)
-
-
Southern Uplands (5)
-
United States
-
Alaska
-
Livengood Quadrangle (1)
-
Medfra Quadrangle (1)
-
-
California
-
Northern California (1)
-
Plumas County California (1)
-
-
Cincinnati Arch (2)
-
Illinois
-
Alexander County Illinois (1)
-
Calhoun County Illinois (1)
-
Union County Illinois (1)
-
-
Kentucky
-
Mason County Kentucky (1)
-
-
Klamath Mountains (3)
-
Maine
-
Aroostook County Maine (2)
-
-
Midcontinent (1)
-
Mississippi Valley (1)
-
Missouri
-
Cape Girardeau County Missouri (1)
-
Pike County Missouri (1)
-
-
Nashville Dome (1)
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Nevada (1)
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New York (2)
-
Ohio
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Hamilton County Ohio
-
Cincinnati Ohio (1)
-
-
-
Pennsylvania
-
Lebanon County Pennsylvania (1)
-
-
Tennessee (1)
-
U. S. Rocky Mountains
-
Bighorn Mountains (1)
-
-
Wisconsin (1)
-
Wyoming (1)
-
-
White Mountains (1)
-
-
commodities
-
petroleum (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (11)
-
organic carbon (2)
-
-
isotope ratios (11)
-
isotopes
-
stable isotopes
-
C-13/C-12 (11)
-
Nd-144/Nd-143 (1)
-
O-18/O-16 (5)
-
S-34/S-32 (1)
-
-
-
metals
-
actinides
-
thorium (1)
-
uranium (1)
-
-
alkali metals
-
rubidium (1)
-
-
alkaline earth metals
-
barium (1)
-
-
cobalt (1)
-
hafnium (1)
-
niobium (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
samarium (1)
-
yttrium (1)
-
-
tantalum (1)
-
zirconium (1)
-
-
oxygen
-
O-18/O-16 (5)
-
-
sulfur
-
S-34/S-32 (1)
-
-
-
fossils
-
borings (1)
-
Chordata
-
Vertebrata (1)
-
-
Graptolithina
-
Graptoloidea (4)
-
-
Hemichordata (1)
-
ichnofossils
-
Trypanites (1)
-
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Crustacea
-
Ostracoda (4)
-
-
-
Trilobitomorpha
-
Trilobita
-
Lichida (1)
-
Odontopleurida (1)
-
Phacopida (2)
-
Ptychopariida (1)
-
-
-
-
Brachiopoda
-
Articulata
-
Orthida (2)
-
Pentamerida (1)
-
Rhynchonellida (1)
-
Spiriferida (1)
-
Strophomenida (2)
-
-
Inarticulata (1)
-
-
Bryozoa (2)
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (3)
-
Tabulata (4)
-
-
-
-
Echinodermata
-
Asterozoa (1)
-
Crinozoa
-
Crinoidea (3)
-
-
Echinozoa
-
Edrioasteroidea (1)
-
-
-
Mollusca
-
Bivalvia (1)
-
Cephalopoda
-
Nautiloidea (1)
-
-
Gastropoda (3)
-
Hyolithes (1)
-
Monoplacophora (1)
-
Polyplacophora (1)
-
Tentaculitida (1)
-
-
Porifera
-
Calcarea
-
Sphinctozoa (1)
-
-
Stromatoporoidea (4)
-
-
Protista
-
Radiolaria (1)
-
-
Vermes
-
scolecodonts (1)
-
-
-
Metazoa (1)
-
microfossils
-
Chitinozoa (12)
-
Conodonta (3)
-
scolecodonts (1)
-
-
palynomorphs
-
acritarchs (4)
-
Chitinozoa (12)
-
-
Plantae
-
algae
-
Chlorophyta
-
Chlorophyceae
-
Dasycladaceae (1)
-
-
-
-
-
problematic fossils (3)
-
thallophytes (1)
-
-
geochronology methods
-
paleomagnetism (4)
-
Rb/Sr (1)
-
Sm/Nd (1)
-
U/Pb (2)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Pleistocene (1)
-
-
Tertiary
-
Neogene
-
Pliocene (1)
-
-
Paleogene
-
Eocene
-
upper Eocene (1)
-
-
-
-
-
Dalradian (1)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
Maestrichtian (2)
-
Senonian (2)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Upper Triassic
-
Norian (1)
-
-
-
-
Moldanubian (1)
-
Paleozoic
-
Cambrian (2)
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian
-
Eifelian (1)
-
-
Upper Devonian
-
Frasnian (1)
-
-
-
Ellis Bay Formation (10)
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
-
Matapedia Group (2)
-
Merrimack Group (1)
-
middle Paleozoic (1)
-
Ordovician
-
Lower Ordovician
-
Arenigian (7)
-
Tremadocian (7)
-
-
Martinsburg Formation (1)
-
Middle Ordovician
-
Cloridorme Formation (1)
-
Dolgeville Formation (1)
-
Llandeilian (8)
-
Llanvirnian (8)
-
-
Upper Ordovician
-
Ashgillian (123)
-
Bighorn Dolomite (1)
-
Caradocian (30)
-
Cincinnatian
-
Maysvillian (2)
-
Richmondian (3)
-
-
Hirnantian (30)
-
Mohawkian (1)
-
Queenston Shale (1)
-
Red River Formation (1)
-
-
Utica Shale (1)
-
Vinini Formation (1)
-
-
Permian
-
Guadalupian (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
-
Shoo Fly Complex (2)
-
Silurian
-
Lower Silurian
-
Llandovery
-
Aeronian (3)
-
Rhuddanian (5)
-
Telychian (1)
-
-
Wenlock (3)
-
Whirlpool Sandstone (1)
-
-
Upper Silurian
-
Ludlow (1)
-
-
-
-
Phanerozoic (3)
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Huronian (1)
-
Neoproterozoic (1)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
plutonic rocks
-
gabbros (1)
-
granites (1)
-
-
volcanic rocks
-
rhyolites (1)
-
-
-
ophiolite (1)
-
volcanic ash (1)
-
-
metamorphic rocks
-
K-bentonite (1)
-
metabentonite (1)
-
metamorphic rocks
-
metasedimentary rocks
-
metagraywacke (1)
-
-
-
ophiolite (1)
-
turbidite (5)
-
-
minerals
-
K-bentonite (1)
-
metabentonite (1)
-
oxides
-
hematite (1)
-
magnetite (1)
-
-
silicates
-
orthosilicates
-
nesosilicates
-
zircon group
-
zircon (1)
-
-
-
-
-
sulfides
-
pyrite (1)
-
-
-
Primary terms
-
absolute age (3)
-
Africa
-
North Africa
-
Algeria (2)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Ghadames Basin (1)
-
Libya
-
Murzuk Basin (2)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Tunisia (1)
-
-
Sahara (1)
-
Southern Africa
-
South Africa
-
Western Cape Province South Africa (3)
-
-
-
-
Asia
-
Central Asia
-
Kazakhstan
-
Eastern Kazakhstan
-
Chingis-Tau (1)
-
Semipalatinsk Kazakhstan (1)
-
-
-
-
Far East
-
China
-
Guizhou China (1)
-
Hubei China (1)
-
Inner Mongolia China (1)
-
Jiangxi China (1)
-
Ningxia China (1)
-
Yangtze Platform (5)
-
Zhejiang China (2)
-
-
-
Tarbagatay Range (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Saint Lawrence (1)
-
Hudson Bay (1)
-
Labrador Sea (2)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
-
-
biogeography (20)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Newfoundland and Labrador
-
Newfoundland
-
New World Island (1)
-
Notre Dame Bay (2)
-
-
-
Ontario
-
Bruce Peninsula (1)
-
Manitoulin District Ontario
-
Manitoulin Island (5)
-
-
Timiskaming District Ontario (1)
-
-
Quebec
-
Anticosti Island (15)
-
Gaspe Peninsula (3)
-
-
-
Hudson Bay (1)
-
Mackenzie Mountains (1)
-
Nunavut
-
Southampton Island (1)
-
-
Western Canada
-
Manitoba
-
Churchill Manitoba (1)
-
-
Northwest Territories (3)
-
Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (11)
-
organic carbon (2)
-
-
Cenozoic
-
Quaternary
-
Pleistocene (1)
-
-
Tertiary
-
Neogene
-
Pliocene (1)
-
-
Paleogene
-
Eocene
-
upper Eocene (1)
-
-
-
-
-
Chordata
-
Vertebrata (1)
-
-
climate change (3)
-
continental drift (3)
-
crust (1)
-
data processing (2)
-
diagenesis (2)
-
Europe
-
Baltic region
-
Estonia (3)
-
Latvia (2)
-
-
Central Europe
-
Bohemian Massif (1)
-
Czech Republic
-
Bohemia
-
Prague Basin (1)
-
-
-
Germany
-
Bavaria Germany (1)
-
Thuringia Germany (1)
-
-
Poland (1)
-
Sudeten Mountains
-
Izera Mountains (1)
-
Karkonosze Mountains (1)
-
-
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Castilla-La Mancha Spain
-
Ciudad Real Spain (1)
-
-
Montes de Toledo (1)
-
Sierra Morena (1)
-
-
-
-
Western Europe
-
Belgium (1)
-
France
-
Armorican Massif (1)
-
-
Iceland (1)
-
Ireland (1)
-
Scandinavia
-
Norway
-
Northern Norway (1)
-
-
Sweden (2)
-
-
United Kingdom
-
Great Britain
-
England
-
Cumbria England
-
Howgill Fells (1)
-
-
Shropshire England (1)
-
Yorkshire England (1)
-
-
Scotland
-
Ayrshire Scotland
-
Girvan Scotland (6)
-
-
Scottish Highlands
-
Grampian Highlands (1)
-
-
-
Wales
-
Merionethshire Wales (1)
-
Welsh Basin (1)
-
-
-
Northern Ireland (1)
-
-
-
-
faults (3)
-
folds (1)
-
foliation (1)
-
fractures (1)
-
geochemistry (10)
-
geochronology (1)
-
geomorphology (1)
-
geophysical methods (1)
-
glacial geology (8)
-
Graptolithina
-
Graptoloidea (4)
-
-
Hemichordata (1)
-
ichnofossils
-
Trypanites (1)
-
-
igneous rocks
-
plutonic rocks
-
gabbros (1)
-
granites (1)
-
-
volcanic rocks
-
rhyolites (1)
-
-
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Crustacea
-
Ostracoda (4)
-
-
-
Trilobitomorpha
-
Trilobita
-
Lichida (1)
-
Odontopleurida (1)
-
Phacopida (2)
-
Ptychopariida (1)
-
-
-
-
Brachiopoda
-
Articulata
-
Orthida (2)
-
Pentamerida (1)
-
Rhynchonellida (1)
-
Spiriferida (1)
-
Strophomenida (2)
-
-
Inarticulata (1)
-
-
Bryozoa (2)
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (3)
-
Tabulata (4)
-
-
-
-
Echinodermata
-
Asterozoa (1)
-
Crinozoa
-
Crinoidea (3)
-
-
Echinozoa
-
Edrioasteroidea (1)
-
-
-
Mollusca
-
Bivalvia (1)
-
Cephalopoda
-
Nautiloidea (1)
-
-
Gastropoda (3)
-
Hyolithes (1)
-
Monoplacophora (1)
-
Polyplacophora (1)
-
Tentaculitida (1)
-
-
Porifera
-
Calcarea
-
Sphinctozoa (1)
-
-
Stromatoporoidea (4)
-
-
Protista
-
Radiolaria (1)
-
-
Vermes
-
scolecodonts (1)
-
-
-
isostasy (1)
-
isotopes
-
stable isotopes
-
C-13/C-12 (11)
-
Nd-144/Nd-143 (1)
-
O-18/O-16 (5)
-
S-34/S-32 (1)
-
-
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
Maestrichtian (2)
-
Senonian (2)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Upper Triassic
-
Norian (1)
-
-
-
-
metals
-
actinides
-
thorium (1)
-
uranium (1)
-
-
alkali metals
-
rubidium (1)
-
-
alkaline earth metals
-
barium (1)
-
-
cobalt (1)
-
hafnium (1)
-
niobium (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
samarium (1)
-
yttrium (1)
-
-
tantalum (1)
-
zirconium (1)
-
-
metamorphic rocks
-
metasedimentary rocks
-
metagraywacke (1)
-
-
-
North America
-
Appalachians
-
Northern Appalachians (1)
-
-
Great Lakes
-
Lake Huron (2)
-
-
Great Lakes region (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Bighorn Mountains (1)
-
-
-
Saint Lawrence Lowlands (1)
-
-
orogeny (3)
-
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Ashgillian
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Journal Article
Two Ordovician asterozoans (Echinodermata) of problematic affinities
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 November 2014
Journal of Paleontology (2014) 88 (6): 1163–1173.
Journal Article
Lipid biomarkers record fundamental changes in the microbial community structure of tropical seas during the Late Ordovician Hirnantian glaciation
Journal: Geology
Publisher: Geological Society of America
Published: 01 February 2013
Geology (2013) 41 (2): 127–130.
Journal Article
Sequence Architecture of the Bighorn Dolomite, Wyoming, USA: Transition To the Late Ordovician Icehouse
Journal: Journal of Sedimentary Research
Publisher: SEPM Society for Sedimentary Geology
Published: 01 August 2012
Journal of Sedimentary Research (2012) 82 (8): 599–615.
Journal Article
Phylogeny and Adaptive Radiation of the Neograptina (Graptoloida) During the Hirnantian Mass Extinction and Silurian Recovery
Publisher: Geological Society of London
Published: 01 November 2011
Proceedings of the Yorkshire Geological Society (2011) 58 (4): 281–309.
Journal Article
Revision of the position of the Ordovician–Silurian boundary in southern Ontario: regional chronostratigraphic implications of δ 13 C chemostratigraphy of the Manitoulin Formation and associated strata
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 28 September 2011
Canadian Journal of Earth Sciences (2011) 48 (11): 1447–1470.
Journal Article
Terminal Ordovician carbon isotope stratigraphy and glacioeustatic sea-level change across Anticosti Island (Québec, Canada)
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 July 2011
GSA Bulletin (2011) 123 (7-8): 1645–1664.
Journal Article
Chitinozoan biostratigraphy of a new Upper Ordovician stratigraphic framework for Anticosti Island, Canada
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 January 2011
GSA Bulletin (2011) 123 (1-2): 186–205.
Journal Article
Precambrian and Phanerozoic postglacial processes
Journal: Geology
Publisher: Geological Society of America
Published: 01 December 2010
Geology (2010) 38 (12): 1147–1148.
Journal Article
Crinoids for lunch? An unexpected biotic interaction from the Upper Ordovician of Scotland
Journal: Geology
Publisher: Geological Society of America
Published: 01 October 2010
Geology (2010) 38 (10): 935–938.
Journal Article
Emergence, biodiversification and extinction of the chitinozoan group
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 07 July 2010
Geological Magazine (2011) 148 (2): 226–236.
Journal Article
ENDOBIOTIC CORNULITIDS IN UPPER ORDOVICIAN TABULATE CORALS AND STROMATOPOROIDS FROM ANTICOSTI ISLAND, QUEBEC
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 May 2010
Journal of Paleontology (2010) 84 (3): 518–528.
Journal Article
Correlation of Ordovician diamictites from Argentina and South Africa using detrital zircon dating
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 January 2010
Journal of the Geological Society (2010) 167 (1): 217–220.
Journal Article
Interpretation of Late Ordovician glaciogenic reservoirs from 3-D seismic data: an example from the Murzuq Basin, Libya
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 13 November 2009
Geological Magazine (2010) 147 (1): 28–41.
Journal Article
Late Ordovician geographic patterns of extinction compared with simulations of astrophysical ionizing radiation damage
Journal: Paleobiology
Publisher: Paleontological Society
Published: 01 August 2009
Paleobiology (2009) 35 (3): 311–320.
Journal Article
Faunal specificity, endemism and paleobiogeography: the post-glacial (Hirnantian-early Rhuddanian) graptolite fauna of the North-African border of Gondwana: a case study
Publisher: Société Géologique de France
Published: 01 July 2009
Bulletin de la Société Géologique de France (2009) 180 (4): 353–367.
Journal Article
BRACHIOPODA FROM THE SOOM SHALE LAGERSTÄTTE (UPPER ORDOVICIAN, SOUTH AFRICA)
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 July 2009
Journal of Paleontology (2009) 83 (4): 614–623.
Journal Article
A Hirnantian (latest Ordovician) reefal bryozoan fauna from Anticosti Island, eastern Canada: taxonomy and chemostratigraphy
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 22 May 2009
Canadian Journal of Earth Sciences (2009) 46 (3): 207–229.
Journal Article
Chitinozoans and the age of the Soom Shale, an Ordovician black shale Lagerstätte, South Africa
THIJS R. A. VANDENBROUCKE, SARAH E. GABBOTT, FLORENTIN PARIS, RICHARD J. ALDRIDGE, JOHANNES N. THERON
Journal: Journal of Micropalaeontology
Publisher: Geological Society of London
Published: 01 May 2009
Journal of Micropalaeontology (2009) 28 (1): 53–66.
Journal Article
Large perturbations of the carbon and sulfur cycle associated with the Late Ordovician mass extinction in South China
Journal: Geology
Publisher: Geological Society of America
Published: 01 April 2009
Geology (2009) 37 (4): 299–302.
Journal Article
Functional morphology and evolution of early Paleozoic dasycladalean algae (Chlorophyta)
Journal: Paleobiology
Publisher: Paleontological Society
Published: 01 February 2009
Paleobiology (2009) 35 (1): 63–76.
1
GeoRef Thesaurus
Ashgillian
Scope Notes: Europe. Above Llanvirnian, below Llandovery (Silurian). Before 2013, Hirnantian was a narrower term.
Broader Terms:
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