Английская Википедия:Atane Formation
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The Atane Formation is a geologic formation in Greenland. It preserves fossil insects of Elytrulum multipunctatum,[1] dating back to the Albian to Coniacian stages of the Cretaceous period.[2]
Description
The carbonaceous mudstones, sandstones and coal seams are interpreted as freshwater lake or swamp deposits representing the vertical aggradation of a subaerial to shallow, limnic floodplain to upper delta plain. There are no indications –neither palynological evidence nor the presence of pyrite– to suggest marine or brackish-water conditions.[2]
See also
References
Bibliography
- ↑ Heer, 1883
- ↑ 2,0 2,1 Atane Formation at Fossilworks.org
Категории:
- Английская Википедия
- Geologic formations of Greenland
- Cretaceous System of North America
- Cretaceous Greenland
- Albian Stage
- Cenomanian Stage
- Coniacian Stage
- Turonian Stage
- Mudstone formations
- Sandstone formations
- Coal formations
- Fluvial deposits
- Lacustrine deposits
- Paludal deposits
- Paleontology in Greenland
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