Wordie Creek Formation

Wordie Creek Formation
Stratigraphic range: late Changhsingian–early Dienerian
TypeFormation
Unit ofScoresby Land Group
UnderliesPingo Dal Formation
OverliesSchuchert Dal Formation
Lithology
PrimaryMudstone
OtherSandstone, conglomerate
Location
RegionClavering Ø, Hold with Hope (Kap Stosch), Gauss Halvø, Traill Ø, Jameson Land
CountryGreenland
Wordie Creek Formation is located in Greenland
Wordie Creek Formation
Wordie Creek Formation (Greenland)

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]

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]

  1. ^ a b c Surlyk, Finn; Bjerager, Morten; Piasecki, Stefan; Stemmerik, Lars (2017). "Stratigraphy of the marine Lower Triassic succession at Kap Stosch, Hold with Hope, North-East Greenland". Bulletin of the Geological Society of Denmark. 65: 87–123. doi:10.37570/bgsd-2017-65-07. ISSN 2245-7070.
  2. ^ Spath, Leonard F. (1935). "Additions to the Eo-Triassic invertebrate fauna of East Greenland". Meddelelser om Grønland. 98 (2): 1–11.
  3. ^ Stensiö, Erik (1932). "Triassic Fishes from East Greenland collected by the Danish expeditions in 1929-1931". Meddelelser om Grønland. 83 (3): 1–305. OCLC 938169014.
  4. ^ Nielsen, Eigil (1936). "Some few preliminary remarks on Triassic fishes from East Greenland". Meddelelser om Grønland. 112 (3): 1–55.
  5. ^ Säve-Söderbergh, Gunnar (1935). "On the dermal bones of the head in labyrinthodont stegocephalians and primitive Reptilia with special reference to Eotriassic stegocephalians from East Greenland". Meddelelser om Grønland. 98 (3): 1–211..
  6. ^ Nielsen, Eigil (1954). "Tupilakosaurus heilmani n. g. et n. sp. an interesting batrachomorph from the Triassic of East Greenland". Meddelelser om Grønland. 722 (8): 1–33.
  7. ^ Stemmerik, Lars; Bendix-Almgreen, Svend E.; Piasecki, Stefan (2001). "The Permian-Triassic boundary in central East Greenland: past and present views". Bulletin of the Geological Society of Denmark. 48: 159–167. doi:10.37570/bgsd-2001-48-09.