Finnmark core 7128/12-U-01 layer 104.73m (Triassic of Norway)

Where: Norway (71.2° N, 28.8° E: paleocoordinates 37.7° N, 19.2° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Lundbladispora obsoleta - Tympanicysta stoschiana Assemblage Zone zone, Griesbachian (252.2 - 251.3 Ma)

• Similarities with Vardebukta Formation in Svalbard (Hochuli et al., 1989; Mangerud and Konieczny, 1993), with the lower Bjorne and Blind Fiord Formations in the Sverdrup Basin (Fisher, 1979; Utting, 1985, 1989, pers. comm., 1993), with the Wordie Creek Formation in East Greenland (Balme, 1980) and with the Toad/Grayling Formation in western Canada (Jansonius, 1962).

• bed-level stratigraphic resolution

Environment/lithology: marine

• open-marine environment (storm-influenced shelf environment?)
• Between 116.5 – 65.5m the core consists of conglomerate, shale and sandstone

Size class: microfossils

Preservation: original sporopollenin

Collection methods: core, chemical, mechanical,

• All palynological slides are housed in the type collection of the Paleontological Museum of Oslo.

Primary reference: G. Mangerud. 1994. Palynostratigraphy of the Permian and lowermost Triassic succession, Finnmark Platform, Barents Sea. Review of Palaeobotany and Palynology 82:317-349 [C. Looy/F. Verbruggen/F. Verbruggen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 31393: authorized by Cindy Looy, entered by Frederike Verbruggen on 12.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Foraminifera -
Foraminifera indet. foram
foram inner lining
Calamospora spp. Schopf et al.
 Ephedrales - Ephedraceae
Ephedripites spp. Bolkhovitina and Potonié 1958 jointfir
Cycadopites spp. Wodehouse 1933
Polycingulatisporites spp. Simoncsics and Kedves 1961
Polycingulatisporites densatus Playford and Dettmann 1965
Leiotriletes sp. A Potonie and Kremp 1954
Apiculatisporis spp. Potonié and Kremp 1956
 Gleicheniales - Matoniaceae
Dictyophyllidites mortonii Playford and Dettmann 1965
Granulatisporites spp. Potonié and Kremp 1954
  - Selaginellaceae
Uvaesporites sp. Döring 1965
Klausipollenites spp. Jansonius 1962
Klausipollenites staplinii
Cyclogranisporites spp. Potonie and Kremp 1954
 Life -
Micrhystridium spp. Naumova 1968 acritarcs
Veryhachium spp. Deunff 1954 acritarcs
 Gymnospermophyta -
Falcisporites spp. Leschik 1956
Punctatisporites spp. Potonié and Kremp 1954