| Atane Formation | |
| Type: | Formation |
| Age: | Albian-Coniacian ~ |
| Period: | Late Cretaceous |
| Prilithology: | Mudstone |
| Otherlithology: | Sandstone, coal |
| Region: | Ivnanguit |
| Country: |  Greenland |
| Coordinates: | 69.4°N -52.8°W |
| Paleocoordinates: | 55.1°N -16.9°W |
| Subunits: | Skansen Member |
| Underlies: | Kome Formation |
| Overlies: | Slibestensfjeldet Formation |
| Extent: | Nuussuaq Basin |
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]
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]