LA5, Bioclastic grainstones, core 7128/6-1, Orn Fm. (Permian of Norway)

Also known as Reef 3044

Where: Norway (71.5° N, 28.4° E: paleocoordinates 27.0° N, 19.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Orn Formation (Gipsdalen Group), Asselian (298.9 - 295.5 Ma)

• Early Asselian

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; grainstone

• Inner neritic, shallow subtidal shoal-dominated environments, above the FWWB. Normal salinity and oxygenation; high hydrodinamic settings.
• Fine to coarse grainstones

Size classes: macrofossils, mesofossils

Collection methods: core

Primary reference: M. DiLucia, J. Sayago, G. Frijia, A. Cotti, A. Sitta and M. Mutti. 2017. Facies and seismic analysis of the Late Carboniferous Early Permian Finnmark carbonate platform (southern Norwegian Barents Sea): An assessment of the carbonate factories and depositional geometries. Marine and Petroleum Geology 79:372-393 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 184685: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 17.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Forams only
Girvanella
  -
Girvanella sp. Nicholson and Etheridge 1878
Bivalvia
 Ostreida - Posidoniidae
Ellesmerella sp. Waterhouse 2008 oyster
Bryozoa
  -
Anthozoa
 Rugosa -
Rugosa indet. horn coral
Dasycladophyceae
 Dasycladales - Seletonellaceae
Rhodophyceae
 Archaeolithophyllales - Palaoaplysinaceae
Palaeoaplysina sp. Krotov 1888
  - Solenoporaceae
Komia sp. Korde 1951
Nigriporellidae
  - Nigriporellidae