Fleming Fjord Formation

The Fleming Fjord Formation is an Upper Triassic geological formation in the northeastern coast of Jameson Land, Greenland.

Fleming Fjord Formation
Stratigraphic range: Norian-Rhaetian
~222–202 Ma
Footprints of Large, Triassic dinos in Greenland.png
Eosauropus tracks from the Fleming Fjord Formation
TypeGeological formation
Unit ofScoresby Land Group
Sub-unitsEdderfugledal, Malmros Klint & Ørsted Dal Members
UnderliesKap Stewart Group
OverliesGippsdalen Formation
Area3,000 km2 (1,200 sq mi)
Thickness200–300 m (660–980 ft)
Lithology
PrimaryMudstone, claystone
OtherLimestone, sandstone
Location
Coordinates71°48′N 23°36′W / 71.8°N 23.6°W / 71.8; -23.6Coordinates: 71°48′N 23°36′W / 71.8°N 23.6°W / 71.8; -23.6
Approximate paleocoordinates45°42′N 2°48′W / 45.7°N 2.8°W / 45.7; -2.8
RegionEast Greenland
Country Greenland
ExtentJameson Land
Type section
Named forFleming Fjord
Fleming Fjord Formation is located in Greenland
Fleming Fjord Formation
Fleming Fjord Formation (Greenland)

DescriptionEdit

It is of Norian to Rhaetian age and is subdivided into three members; at the base the Edderfugledal Member, followed by the Malmros Klint Member with the Ørsted Dal Member at the top. It was deposited in a large shallow to ephemeral lake.[1]

Vertebrate paleofaunaEdit

The fauna of Fleming Fjord includes:[2]

FishEdit

AmphibiansEdit

CynodontsEdit

ReptilesEdit

See alsoEdit

ReferencesEdit

  1. ^ Clemmensen, L.B.; Kent, D.V.; Jenkins, F.A.,Jr. (1998). "A Late Triassic lake system in East Greenland: facies, depositional cycles and palaeoclimate" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. Elsevier. 140 (1–4): 135–159. doi:10.1016/s0031-0182(98)00043-1. Retrieved 2 December 2012.
  2. ^ a b c Clemmensen, Lars B.; Milàn, Jesper; Adolfssen, Jan Schulz; Estrup, Eliza Jarl; Frobøse, Nicolai; Klein, Nicole; Mateus, Octávio; Wings, Oliver (2015-12-16). "The vertebrate-bearing Late Triassic Fleming Fjord Formation of central East Greenland revisited: stratigraphy, palaeoclimate and new palaeontological data". Geological Society, London, Special Publications. 434 (1): 31–47. doi:10.1144/sp434.3. ISSN 0305-8719. S2CID 130069487.
  3. ^ Hansen, Bitten Bolvig; Milàn, Jesper; Clemmensen, Lars B.; Adolfssen, Jan Schulz; Estrup, Eliza Jarl; Klein, Nicole; Mateus, Octávio; Wings, Oliver (2015-12-17). "Coprolites from the Late Triassic Kap Stewart Formation, Jameson Land, East Greenland: morphology, classification and prey inclusions". Geological Society, London, Special Publications. 434 (1): 49–69. doi:10.1144/sp434.12. ISSN 0305-8719. S2CID 130321311.
  4. ^ Marco Marzola; Octávio Mateus; Neil H. Shubin; Lars B. Clemmensen (2017). "Cyclotosaurus naraserluki, sp. nov., a new Late Triassic cyclotosaurid (Amphibia, Temnospondyli) from the Fleming Fjord Formation of the Jameson Land Basin (East Greenland)". Journal of Vertebrate Paleontology. 37 (2): e1303501. doi:10.1080/02724634.2017.1303501. hdl:10362/33003. S2CID 134255506.
  5. ^ Farish A. Jenkins, Jr.; Neil H. Shubin; Stephen M. Gatesy; Anne Warren (2008). "Gerrothorax pulcherrimus from the Upper Triassic Fleming Fjord Formation of East Greenland and a reassessment of head lifting in temnospondyl feeding". Journal of Vertebrate Paleontology. 28 (4): 935–950. doi:10.1671/0272-4634-28.4.935. S2CID 86523094.
  6. ^ a b c d e Tomasz Sulej; Grzegorz Krzesiński; Mateusz Tałanda; Andrzej S. Wolniewicz; Błażej Błażejowski; Niels Bonde; Piotr Gutowski; Maksymilian Sienkiewicz; Grzegorz Niedźwiedzki (2020). "The earliest-known mammaliaform fossil from Greenland sheds light on origin of mammals". Proceedings of the National Academy of Sciences of the United States of America. 117 (43): 26861–26867. doi:10.1073/pnas.2012437117. PMC 7604429. PMID 33046636. S2CID 222320190.
  7. ^ Klein, Hendrik; Milàn, Jesper; Clemmensen, Lars B.; Frobøse, Nicolaj; Mateus, Octávio; Klein, Nicole; Adolfssen, Jan S.; Estrup, Eliza J.; Wings, Oliver (2015-12-16). "Archosaur footprints (cf.Brachychirotherium) with unusual morphology from the Upper Triassic Fleming Fjord Formation (Norian–Rhaetian) of East Greenland". Geological Society, London, Special Publications. 434 (1): 71–85. doi:10.1144/sp434.1. ISSN 0305-8719. S2CID 56216714.
  8. ^ a b Lallensack, Jens; Klein, Hendrik; Milán, Jesper; Wings, Oliver; Mateus, Octávio; Clemmensen, Lars (2017). "Sauropodomorph dinosaur trackways from the Fleming Fjord Formation of East Greenland: evidence for Late Triassic sauropods". Acta Palaeontologica Polonica. 62. doi:10.4202/app.00374.2017. ISSN 0567-7920.
  9. ^ Prothero, D. R. (2015). The Story of Life in 25 Fossils: Tales of Intrepid Fossil Hunters and the Wonders of Evolution. New York, NY: Columbia University Press. ISBN 9780231539425.
  10. ^ Beccari, V.; Mateus, O.; Wings, O.; Milàn, J.; Clemmensen, L. B. (2021). "Issi saaneq gen. et sp. nov.—A New Sauropodomorph Dinosaur from the Late Triassic (Norian) of Jameson Land, Central East Greenland". Diversity. 13 (11): 561. doi:10.3390/d13110561.

BibliographyEdit

  • Kent, D. V., and L. B. Clemmensen. 2021. Northward dispersal of dinosaurs from Gondwana to Greenland at the mid-Norian (215–212 Ma, Late Triassic) dip in atmospheric pCO2. Proceedings of the National Academy of Sciences of the United States of America 118. e2020778118. doi:10.1073/pnas.2020778118