Finnmark core 7128/12-U-01 layer 100.22m (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 31395: authorized by Cindy Looy, entered by Frederike Verbruggen on 12.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Calamospora spp. Schopf et al.
 Ephedrales - Ephedraceae
Ephedripites spp. Bolkhovitina and Potonié 1958 jointfir
Cycadopites spp. Wodehouse 1933
Leiotriletes sp. A Potonie and Kremp 1954
Leiotriletes spp. Potonie and Kremp 1954
Baculatisporites spp. Thomson and Pflug 1953
Uvaesporites sp. Döring 1965
Klausipollenites spp. Jansonius 1962
Klausipollenites staplinii
Cyclogranisporites spp. Potonie and Kremp 1954
 Life -
Micrhystridium spp. Naumova 1968 acritarcs
 Gymnospermophyta -
Falcisporites spp. Leschik 1956
Pilasporites spp. Balme 1956
Vitreisporites spp. Leschik 1955
Punctatisporites spp. Potonié and Kremp 1954