Also known as Sub-Section PRG-6, Sample #7188, Alberta (Brazeau Formation)

Where: Alberta, Canada (52.7° N, 116.0° W: paleocoordinates 61.1° N, 87.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Brazeau Formation, Maastrichtian (72.1 - 66.0 Ma)

• The top of the section is approximately 1000 ft above the mouth of Chungo Creek; the base is delineated by the Wapiabi-Brazeau Formation contact which is found just below Brown Creek. The two creeks are less than 3 miles apart and both flow into the north side of the Blackstone River.

•PRG-6-7188 is from the section of the Brazeau Formation which is Edmonton Group (Horseshoe Canyon, Whitemud, and Battle) Equivalent.

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; shale

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), chemical, sieve,

• Method involved boiling 500-800 grams of rock in aqueous solution of Quaternary-O until dissolved, washing sediment through 4 screens (1000, 297, 125, 74 microns), and some additional treatment in hydrochloric and hydroflouric acids was used to remove carbonate and silicate minerals. The highly carbonized samples were oxidized with Schultze's solution and 10% potassium carbonate to lighten the spore color. The slides are now stored in the palynological collection of the Department of Geology, the University of Calgary.

Primary reference: P. R. Gunther and L. V. Hills. 1972. Megaspores and other palynomorphs of the Brazeau Formation (Upper Cretaceous), Nordegg Area, Alberta. Geoscience and Man 4:29-48 [R. Lupia/T. Naeher/T. Naeher]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 33083: authorized by Rick Lupia, entered by Tiffany Naeher on 22.07.2003

Creative Commons license: CC BY (attribution)