District of Mackenzie, Canyon Ranges Section, Unit 11: Late/Upper Ordovician, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
Trilobita indet. Walch 1771
Cephalopoda
Cephalopoda indet. Cuvier 1797
Rhynchonellata - Orthida - Plaesiomyidae
Dinorthis colombia
unclassified
Bryozoa spp.
Echinodermata spp.
Anthozoa - Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847
Anthozoa - Stauriida - Stauriidae
Palaeophyllum sp. Billings 1858
Palaeophyllum cf. pasense
Anthozoa - Heliolitida - Halysitidae
Catenipora sp. Lamarck 1816
Anthozoa - Favositida - Favositidae
Palaeofavosites spp.
original and current combination Paleofavosites
see common names

Geography
Country:Canada State/province:Northwest Territories County:District of Mackenzie
Coordinates: 65.5° North, 133.0° West (view map)
Paleocoordinates:11.4° North, 54.2° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Late/Upper Ordovician
Key time interval:Late/Upper Ordovician
Age range of interval:458.40000 - 443.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: No group or formation names given.
Lithology and environment
Primary lithology:gray cherty/siliceous dolomite
Includes fossils?Y
Lithology description: "Dolomite, mostly siliceous, very finely to coarsely crystalline, grey, dark grey, light brownish grey, bluish grey, weathers light grey, grey, yellowish grey, bedding 1 foot to 10 feet in upper part, 3 inches to 4 feet in lower part, rare beds laminated; dolomite stringers and veins common; rare compound veins, inner core calcite, outer lining dolomite; irregular silicification layers in lowed beds."
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:25435
Authorizer:S. Holland Enterer:T. Hanson
Modifier:T. Hanson Research group:marine invertebrate
Created:2002-09-12 12:07:59 Last modified:2002-09-12 15:08:03
Access level:the public Released:2002-09-12 12:07:59
Creative Commons license:CC BY
Reference information

Primary reference:
7121. B. S. Norford. 1963. Reconnaissance of the Ordovician and Silurian rocks of Northern Yukon Territory. Geological Survey of Canada Department of Mines and Technical Surveys, Paper 63(39):1-139 [S. Holland/T. Hanson/P. Wagner]