GSC Loc. 5897 - Brûle Rapids [Clearwater Fm] (Cretaceous of Canada)

Where: Alberta, Canada (53.3° N, 117.9° W: paleocoordinates 54.2° N, 67.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Clearwater Formation, Albian (113.0 - 100.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Clearwater Fm, for which lithostratigraphic relations are not discussed. AGE: Early-middle Albian, on the basis of ammonoid biostratigraphy; Beudanticeras affine zone, Arcthoplites mcconnelli subzone. STRATIGRAPHIC POSITION: From a 7 ft layer, 9 ft above the Athabasca River.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, black, green shale and lithified sandstone

• ENVIRONMENT: Not stated in text, but apparently marine siliciclastic.
• SPECIFIC LITHOLOGY: Black and green shale and sandstone interbeds. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collected by McLearn in 1916; reposited in the GSC

Collection methods: surface (in situ),

• COLLECTOR: F.H. McLearn, 1916. REPOSITORY: Geological Survey of Canada (GSC).

Primary reference: J. A. Jeletzky. 1964. Illustration of canadian fossils. Lower Cretaceous marine index fossils of the sedimentary basins of western and Arctic Canada. Geological Survey of Canada Paper 64(11):1-101 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87381: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to characteristic Ammonoidea and Bivalvia. NOMENCLATURE: Not an authoritative publication, but with relatively modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Cardiida - Arcticidae
Arctica limpidiana
Arctica limpidiana McLearn 1933 clam
 Cardiida - Cardiidae
Onestia onestiae