Pearl Creek [Fort St. John Gp] (Cretaceous of Canada)

Where: Alberta, Canada (53.8° N, 119.0° W: paleocoordinates 54.9° N, 71.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fort St. John Group, Late/Upper Albian (105.3 - 99.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Fort St. John Gp, which is overlain by the Dunvegan Fm. AGE: Late Albian, on the basis of ammonoid biostratigraphy; Neogastroplites zone, N. cornutus subzone. STRATIGRAPHIC POSITION: From 217 ft above the lower contact of the group.

• bed-level stratigraphic resolution

Environment/lithology: marine; shale

• ENVIRONMENT: Not stated in text, but apparently marine siliciclastic.
• SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Not stated in text.

Size class: macrofossils

Preservation: mold/impression

Collected by Thorsteinsson in 1952

Collection methods: surface (in situ),

• COLLECTOR: Thorsteinsson, 1952. REPOSITORY: Geological Survey of Canada (GSC).

Primary reference: D. F. Stott. 1963. The Cretaceous Alberta Group and equivalent rocks, Rocky Mountain foothills, Alberta. Geological Survey of Canada Memoir 317:1-306 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 89190: authorized by Austin Hendy, entered by Austin Hendy on 08.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Not an authoritative publication, but with relatively modern nomenclature and species-resolution identifications.
Thecostraca
 Cirripedia -
Cephalopoda
 Ammonitida - Hoplitidae
Neogastroplites cf. cornutus Whiteaves 1885 ammonite
 Ammonitida - Engonoceratidae
Engonoceras sp. Neumayr and Uhlig 1881 ammonite
Listed as "Engenoceras"
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam