Where: Alberta, Canada (53.0° N, 110.2° W: paleocoordinates 52.2° N, 63.3° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Westgate Formation (Colorado Group), Late/Upper Albian (105.3 - 99.6 Ma)

• Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified mudstone

Size class: microfossils

Reposited in the GSC

Collection methods: core, chemical, smear slide,

• foraminiferal analysis utilizing the method of Then and Dougherty (1983) and washed over a 0.065 mm sieve; nannofossils were analyzed using the techniques from Edwards (1963), Stover (1966), Gartner (1968) and Smith (1981); standard acid processing techniques (Barss and Williams, 1973) were used followed by heavy liquid flotation and sieving to concentrate the dinoflagellates in the >0.045 and the 0.020-0.045 mm fractions

Primary reference: J. D. Bloch, C. J. Schröder-Adams, D.A. Leckie, J. Craig, and D.J. McIntyre. 1999. Sedimentology, micropaleontology, geochemistry and hydrocarbon potential of shale from the cretaceous Lower Colorado Group in Western Canada. Geological Survey of Canada, Bulletin 531:1-185 [W. Kiessling/T. Schossleitner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71685: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 07.05.2007

Creative Commons license: CC BY (attribution)