Bed 8, Section 2 - Lower shale-siltstone division, Aklavik Range (Cretaceous of Canada)

Also known as Field No. 13, Bed 8

Where: Northwest Territories, Canada (68.0° N, 135.5° W: paleocoordinates 68.5° N, 66.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lower Member (Lower Shale-Siltstone Formation), Berriasian (145.0 - 139.8 Ma)

• 50-55 ft thick shale, 239-263.5 ft above the base of the section; assigned to the Aucella okensis biozone; classified as "Lower Mbr" of the "lower shale-siltstone division" in Jeletzky (1958); Jeletzky (1958) assigns this unit a Berriasian age.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, brown, gray, silty, sandy shale and poorly lithified, brown, gray sandstone

• No environmental data reported.
• Shale with sandstone interbeds; light to brownish grey, in part silty and sandy, crumbly and soft.

Size class: macrofossils

Reposited in the GSC

Collection methods: quarrying,

• Collected by Jeletzky; presumably reposited in GSC collections .

Primary reference: J. A. Jeletzky. 1958. Uppermost Jurassic and Cretaceous rocks of Aklavik Range, Northeastern Richardson Mountains, Northwest Territories. Geological Survey of Canada, Paper 58(2):1-84 [A. Miller/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 55934: authorized by Austin Hendy, entered by Austin Hendy on 08.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Collection appears not to be exhaustive.
Bivalvia
 Pectinida - Buchiidae
"Aucella okensis" = Buchia okensis
"Aucella okensis" = Buchia okensis Pavlow 1907 scallop