Wordie Creek Formation
Geologic formation in Greenland / From Wikipedia, the free encyclopedia
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The Wordie Creek Formation is an uppermost Permian and Lower Triassic geologic formation in Greenland, outcrops of which are located in Northeast Greenland National Park (until 2008 Tunu County, Danish: Østgrønland, English: East Greenland). In 2017, it was suggested to be raised to group status, as the Wordie Creek Group.[1]
Wordie Creek Formation | |
---|---|
Stratigraphic range: late Changhsingian–early Dienerian | |
Type | Formation |
Unit of | Scoresby Land Group |
Underlies | Pingo Dal Formation |
Overlies | Schuchert Dal Formation |
Lithology | |
Primary | Mudstone |
Other | Sandstone, conglomerate |
Location | |
Region | Clavering Ø, Hold with Hope (Kap Stosch), Gauss Halvø, Traill Ø, Jameson Land |
Country | Greenland |
The Lower Triassic sediments in the region were discovered in 1926 independently by James Wordie and Lauge Koch, and the latter named the formation.[1] The rock layers preserve fossils of invertebrates (e.g., ammonoids,[2] gastropods[1]), fishes (coelacanths, ray-finned fish, cartilaginous fish)[3][4] and temnospondyl amphibians,[5][6] dating back to the Induan age.[7]