Alwynne B. Beaudoin - Lake File

Mary Gregg Lake

Location: Alberta, Canada Latitude (N): 53.12° Longitude (W): 117.47°
Site notes:
Bombin, E. R. 1980
Ontogeny of Mary Gregg Lake, Alberta, Canada. In American Quaternary Association (AMQUA) Abstracts of the Sixth Biennial Meeting. pp. 33-34. The Structure of an Ice Age. August 18-20, 1980, University of Maine, Orono, Maine.
Site discussed: Mary Gregg Lake. Mentions pollen and diatom studies. No radiocarbon dates given but indicates that record extends to 11,000 yr BP. Notes changes in diatom assemblages coincident with Mazama ashfall. Site location given as 53ø07'N 117ø28'W. (02/12/2007).

Bombin, E. R. 1982
Holocene Paleolimnology of Mary Gregg Lake, Foothills of the Canadian Rocky Mountains, Canada. Unpublished M.Sc. thesis. Department of Botany, University of Alberta, Edmonton, Alberta, Canada 147 pages.
Site discussed: Mary Gregg Lake.

Schweger, C., T. Habgood, and M. Hickman 1981
Late Glacial-Holocene Climatic Changes of Alberta: The Record from Lake Sediment Studies. In The Impact of Climatic Fluctuations on Alberta's Resources and Environment, edited by K. R. Leggat and J. T. Kotylak, pp. 47-60. Proceedings of the Workshop and Annual Meeting of the Alberta Climatological Association, Report W.A.E.S.-1-81. A.E.S. Western Region, Environment Canada.
Report that they have examined 16 lakes or sites on a west-east transect through central Alberta: Gregg Lake, Mary Gregg Lake, Fairfax Lake, Goldeye Lake, Lake Wabamun, Smallboy Lake, Muskrat Bog, Lac Ste. Anne, Lake Isle, Hastings Lake, Cooking Lake, Elk Island Park, Joseph Lake, Baptiste Lake, Lofty Lake, Moore Lake. Paper includes a pollen diagram and some preliminary discussion of the Fairfax Lake record, includes total a pigments curve for Gregg Lake and Fairfax Lake, a summary pollen diagram, percentage diatom community diagram and preliminary discussion of the Moore Lake record, and a summary stratigraphic diagram for the Lofty Lake record. They note that detrital coal in the sediment at Fairfax Lake makes the basal date (of around 11,250 yr BP) somewhat doubtful.

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