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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
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Africa
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Southern Africa
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Kaapvaal Craton (2)
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Karoo Basin (1)
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South Africa (1)
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-
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Asia
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Indian Peninsula
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India
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Andhra Pradesh India (1)
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Dharwar Craton (1)
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Karnataka India
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Closepet Granite (1)
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-
-
-
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Australasia
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Australia (1)
-
-
Canada
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Mackenzie Mountains (1)
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Nunavut (1)
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Western Canada
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Alberta
-
Peace River Arch (1)
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Red Deer River valley (1)
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Smoky River (1)
-
-
Northwest Territories (1)
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Yukon Territory (1)
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-
-
North America
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Canadian Shield (1)
-
-
South America
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Brazil
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Brazilian Shield (1)
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-
-
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commodities
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metal ores
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iron ores (1)
-
-
petroleum
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natural gas (1)
-
-
-
elements, isotopes
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carbon
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C-13/C-12 (1)
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-
isotope ratios (1)
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isotopes
-
stable isotopes
-
C-13/C-12 (1)
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O-18/O-16 (1)
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-
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oxygen
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O-18/O-16 (1)
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-
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fossils
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microfossils (2)
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palynomorphs
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Dinoflagellata (1)
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miospores
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pollen (1)
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-
-
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geologic age
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Cenozoic
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Tertiary
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Paleogene
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Paleocene
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lower Paleocene (1)
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-
-
-
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Bearpaw Formation (1)
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Campanian
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Dinosaur Park Formation (1)
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upper Campanian (1)
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Coniacian (1)
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Horseshoe Canyon Formation (1)
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Maestrichtian
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upper Maestrichtian (1)
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-
Senonian (2)
-
-
-
-
Paleozoic
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Devonian
-
Upper Devonian (1)
-
-
Permian
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Ecca Group (1)
-
-
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Precambrian
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Archean
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Neoarchean
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Dharwar Supergroup (1)
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Sargur Group (1)
-
-
Peninsular Gneiss (1)
-
-
upper Precambrian
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Proterozoic
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Neoproterozoic (1)
-
-
-
-
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metamorphic rocks
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turbidite (1)
-
-
minerals
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carbonates
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calcite (1)
-
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silicates
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sheet silicates
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clay minerals (2)
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-
-
-
Primary terms
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Africa
-
Southern Africa
-
Kaapvaal Craton (2)
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Karoo Basin (1)
-
South Africa (1)
-
-
-
Asia
-
Indian Peninsula
-
India
-
Andhra Pradesh India (1)
-
Dharwar Craton (1)
-
Karnataka India
-
Closepet Granite (1)
-
-
-
-
-
Australasia
-
Australia (1)
-
-
Canada
-
Mackenzie Mountains (1)
-
Nunavut (1)
-
Western Canada
-
Alberta
-
Peace River Arch (1)
-
Red Deer River valley (1)
-
Smoky River (1)
-
-
Northwest Territories (1)
-
Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (1)
-
-
Cenozoic
-
Tertiary
-
Paleogene
-
Paleocene
-
lower Paleocene (1)
-
-
-
-
-
diagenesis (3)
-
faults (1)
-
geophysical methods (1)
-
isotopes
-
stable isotopes
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C-13/C-12 (1)
-
O-18/O-16 (1)
-
-
-
mantle (1)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
Bearpaw Formation (1)
-
Campanian
-
Dinosaur Park Formation (1)
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upper Campanian (1)
-
-
Coniacian (1)
-
Horseshoe Canyon Formation (1)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Senonian (2)
-
-
-
-
metal ores
-
iron ores (1)
-
-
metasomatism (1)
-
North America
-
Canadian Shield (1)
-
-
orogeny (1)
-
oxygen
-
O-18/O-16 (1)
-
-
Paleozoic
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Devonian
-
Upper Devonian (1)
-
-
Permian
-
Ecca Group (1)
-
-
-
palynomorphs
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Dinoflagellata (1)
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miospores
-
pollen (1)
-
-
-
petroleum
-
natural gas (1)
-
-
plate tectonics (2)
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Precambrian
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Archean
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Neoarchean
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Dharwar Supergroup (1)
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Sargur Group (1)
-
-
Peninsular Gneiss (1)
-
-
upper Precambrian
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Proterozoic
-
Neoproterozoic (1)
-
-
-
-
sea-level changes (1)
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sedimentary rocks
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chemically precipitated rocks
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ironstone (1)
-
-
clastic rocks
-
arenite
-
litharenite (1)
-
-
conglomerate (1)
-
mudstone (1)
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sandstone (3)
-
shale (2)
-
siltstone (1)
-
-
-
sedimentary structures
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bedding plane irregularities
-
ripple marks (1)
-
-
planar bedding structures
-
laminations (1)
-
-
-
South America
-
Brazil
-
Brazilian Shield (1)
-
-
-
-
rock formations
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Beaufort Group (1)
-
Imperial Formation (1)
-
Karoo Supergroup (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
chemically precipitated rocks
-
ironstone (1)
-
-
clastic rocks
-
arenite
-
litharenite (1)
-
-
conglomerate (1)
-
mudstone (1)
-
sandstone (3)
-
shale (2)
-
siltstone (1)
-
-
-
turbidite (1)
-
-
sedimentary structures
-
sedimentary structures
-
bedding plane irregularities
-
ripple marks (1)
-
-
planar bedding structures
-
laminations (1)
-
-
-
-
sediments
-
turbidite (1)
-
Classification of basins, with special reference to Proterozoic examples
Abstract Basin classification rests on a plate tectonic foundation, highlighting lithospheric substrate, proximity to plate margin and relative motion of the nearest plate boundary. Major mechanisms for regional subsidence and uplift are subdivided into isostatic, flexural and dynamic groups. Basin-forming mechanisms and basin types do not exhibit simple cause-and-effect relationships, but rather reflect a matrix-type relationship. Different basin types have different spans of existence, with generally shorter life spans related to more tectonically active settings. Many ‘polyhistory’ basins, composed of two or more megasequences, reflect a long evolution dominated by different basin-forming and basin-modifying mechanisms. The supercontinent cycle is marked by distinct sets of basin types, developed during successive phases of the cycle. Major classification schemes are reviewed briefly, before surveying the range of basin types represented in the Proterozoic of several key cratonic areas. Basins examined encompass almost the entire Neoarchaean–Neoproterozoic period. All of these basins have a relatively long history of preservation, which can be tied to the essentially continental character of their basement rocks and concomitant enhanced ‘survivability’. Their preservation thus underlines the longevity and inherent stability of the continental lithosphere. The distinction between basin occurrence over geological time and preferential preservation is important when viewing the geological record.