Loc. 13, Halfbreed Creek [upper Pawkowki Fm]: Early/Lower Campanian, Canada
collected by Russell & Landes 1934-1936

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Volsella dichotoma Whiteaves 1885
Bivalvia - Pholadida - Pholadidae
Martesia cuneiformis (Say 1822)
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 49.1° North, 111.2° West (view map)
Paleocoordinates:57.3° North, 76.2° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Early/Lower Campanian
Age range of interval:83.50000 - 70.60000 m.y. ago
Stratigraphy
Formation:Pawkowki
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Pawkowki Formation, which overlies the Early Campanian Milk River Formation, is equivalent to the Lea Park Fm, and is overlain by the Judith River Fm (Late Campanian). AGE: Early Campanian on the basis of ammonite (and other groups) biostratigraphy; Baculites obtusus biozone. Early Campanian according to Dawson et el. - Geological Atlas of the Western Canada Sedimentary Basin. STRATIGRAPHIC POSITION: From the upper Pakowki Fm.
Lithology and environment
Primary lithology: lithified "siliciclastic"
Includes fossils?Y
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Not stated in text, but certainly siliciclastic. LITHIFICATION: Poorly-lithified.
Environment:offshore
Geology comments: ENVIRONMENT: Offshore siliciclastic marine setting.
Taphonomy
Modes of preservation:body,cast,mold/impression,original calcite
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Collectors:Russell & Landes Collection dates:1934-1936
Collection method comments: COLLECTOR: L.S. Russell and R. W. Landes. REPOSITORY: Geological Survey of Canada (GSC)
Taxonomic list comments:COVERAGE: Exhaustive for bivalvia, gastropoda, scaphopoda, and cephalopoda.
Metadata
Database number:82671
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2008-07-31 06:02:56 Last modified:2013-11-25 13:37:23
Access level:the public Released:2008-07-31 06:02:56
Creative Commons license:CC BY
Reference information

Primary reference:

27815. L. S. Russell and R. W. Landes. 1937. Geology of the Southern Alberta Plains. Part II. Paleontology of the marine formations of the Montana Group. Geological Survey of Canada Memoir 221 [A. Hendy/A. Hendy/P. Wagner]