Bed 10, Section 5 - Lower Sandstone Division, Richardson Mtns (Cretaceous of Canada)

Also known as Bed 10, Field No. 138

Where: Yukon, Canada (67.9° N, 137.3° W: paleocoordinates 69.6° N, 68.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Sandstone Formation, Valanginian (139.8 - 132.9 Ma)

• 80 ft thick shale, about 1932 ft above base of section; classified as "lower sandstone division" in Jeletzky (1961); Jeletzky (1961) assigns this unit a lower Valanginian age.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, gray, sandy siltstone

• No paleoenvironmental data reported.
• Siltstone. grey to dark grey, sandy to very sandy, laminated, flaky to chippy weathering, soft to medium-hard, poorly bedded.

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (float),

• Collections presumably reposited in Geological Survey of Canada.

Primary reference: J. A. Jeletzky. 1961. Upper Jurassic and Lower Cretaceous rocks, west flank of Richardson Mountains between the headwaters of Blow River and Bell RIver, Yukon Territory. Geological Survey of Canada, Paper 61(9):1-27 [A. Miller/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 55939: authorized by Austin Hendy, entered by Austin Hendy on 08.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• List appears not to be exhaustive, and somewhat taxonomically archaic.
Bivalvia
 Pectinida - Buchiidae
Buchia volgensis Lahusen 1888 scallop