Where: Northwest Territories, Canada (67.7° N, 135.8° W: paleocoordinates 70.1° N, 66.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Upper Shale-Siltstone Division Formation, Hauterivian to Hauterivian (132.9 - 125.0 Ma)

• Collection a composite from the "upper shale-siltstone division" unit of the Rat River headwaters section. This succession is equivalent to the "mid-lower Cretaceous coal clastics" unit of Jeletzky (1978), which is assigned a Barremian-Hauterivian age based on macrofossil biostratigraphy (Jeletzky, 1958).

• bed-level stratigraphic resolution

Environment/lithology: offshore; sandstone and siltstone

Size class: macrofossils

Reposited in the GSC

Collection methods: quarrying,

• Collection is a composite derived from Fig. 6 of Jeletzky (1978), and amalgamated from occurrences of individual taxa on composite columns for individual lithostratigraphic units. Collections presumably are reposited in the Geological Survey of Canada collections.

Primary reference: J. A. Jeletzky. 1975. Jurassic and Lower Cretaceous paleogeographgy and depositional tectonics of Porcupine Plateau. adjacent areas of Northern Yukon and those of MacKensie District. Geological Survey of Canada, Paper 74(16):1-52 [A. Miller/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 56031: authorized by Austin Hendy, entered by Austin Hendy on 10.11.2005

Creative Commons license: CC BY (attribution)