Bed 1, Section 8 - Bluish Grey Shale Division, Richardson Mtns (Cretaceous of Canada)

Also known as Bed 1, Field No. 161

Where: Yukon, Canada (68.2° N, 138.1° W: paleocoordinates 73.2° N, 60.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Sandstone Formation, Berriasian (145.0 - 139.8 Ma)

• 27 ft thick sandstone, about 27 ft above base of section; classified as "lower sandstone division" in Jeletzky (1961); Jeletzky (1961) assigns this unit a Berrasian age.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, fine-grained, brown, gray, silty sandstone

• No paleoenvironmental data reported.
• Sandstone, dull-grey with rusty specks and inclusions where fresh, brownish tinged; weathers chunky and brown to brown grey; fine-grained, silty to very silty.

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 55942: 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.
Show authors, comments, and common names
Cephalopoda
 Phylloceratida - Phylloceratidae
Phylloceras (Partshiceras) sp.
Phylloceras (Partshiceras) sp. Suess 1865 ammonite
 Ammonitida - Polyptychitidae
Craspedites (? Tollia) sp.
Bivalvia
 Pectinida - Buchiidae
Buchia cf. bulloides, Buchia volgensis, Buchia keyserlingi
Buchia volgensis Lahusen 1888 scallop
Buchia keyserlingi Lahusen 1888 scallop