W28, south of Skirstadtjernet: Marshbrookian - Actonian, Norway

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Glyptomenidae
? Mjoesina sp. Spjeldnaes 1957
7 specimens
Strophomenata - Strophomenida - Strophomenidae
1 specimen
Strophomenata - Strophomenida - Rafinesquinidae
10 specimens
Trilobita - Lichida - Lichidae
1 specimen
Trilobita - Phacopida - Pterygometopidae
2 specimens
Trilobita - Trinucleida - Raphiophoridae
1 specimen
see common names

Geography
Country:Norway State/province:Hadeland
Coordinates: 60.3° North, 10.4° East (view map)
Paleocoordinates:27.2° South, 68.5° West (Wright 2013)
Geographic resolution:local area
Time
Period: Ordovician Epoch: Late Ordovician
Stage: Sandbian 10 m.y. bin: Ordovician 4
Key time interval: Marshbrookian - Actonian Graptolite zone:  Diplograptus foliaceus
Age range of interval: 455 - 453 m.y. ago
Stratigraphy
Geological group:Kirkerud Formation:Furuberget Member:Upper Beds
Stratigraphic resolution:group of beds
Stratigraphy comments: Given as Furuberg, but now given as Furubreget
= Cyclocrinus beds of older literature;
4bγ in the old Norse scale.
Lithology and environment
Primary lithology:black lithified silty lime mudstone
Secondary lithology: "limestone"
Includes fossils?Y
Includes fossils?Y
Environment:offshore shelf
Geology comments: Black, dark silty, calcareous mudstone/shale with occasional horizons of nodular and planar grey limestone; very deep, distal shelf, offshore
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Metadata
Database number:166933
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2015-03-04 20:53:58 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-03-04 20:53:58
Creative Commons license:CC0
Reference information

Primary reference:
100. D. A. T. Harper and A. W. Owen. 1984. The Caradoc brachiopod and trilobite fauna of the Upper Kirkerud Group, Hadeland, Norway. Geologica et Palaeontologica 18(1):21-51 [A. Miller/P. Novack-Gottshall/P. Wagner]