Atane Formation
Geologic formation in Greenland
From Wikipedia, the free encyclopedia
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]
| Atane Formation | |
|---|---|
| Stratigraphic range: Albian-Coniacian ~ | |
| Type | Formation |
| Sub-units | Skansen Member |
| Underlies | Kome Formation |
| Overlies | Slibestensfjeldet Formation |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone, coal |
| Location | |
| Coordinates | 69.4°N 52.8°W |
| Approximate paleocoordinates | 55.1°N 16.9°W |
| Region | Ivnanguit |
| Country | Greenland |
| Extent | Nuussuaq Basin |
  Atane Formation (Greenland) | |
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]