Reconstruction of the Late Glacial and Holocene Paleoenvironmental Setting at 20SA596, and the Saginaw Basin, Michigan
1993-05
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Reconstruction of the Late Glacial and Holocene Paleoenvironmental Setting at 20SA596, and the Saginaw Basin, Michigan
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1993-05
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Thesis or Dissertation
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An archaic archaeological site, 20SA596, located within the Saginaw basin, Michigan, is preserved in a sedimentary sequence of Late and post Glacial lacustrine and eolian sediments. The Nipissing transgression around 5,000 years BP resulted in an increased wetness at the site with a transition to bog vegetation and peat accumulation. This bog was periodically inundated by minor transgressions. Ultimate regression of Lake Nipissing exposed the site to a period of eolian activity, prior to the development of a stable plant community. A survey of surlicial sediments within the surrounding area supports the established history of the basin and enhances on-site conclusions. During the Archaic Period, people were occupying the Lake Nipissing shorelines. Because of fluctuations in the level of Lake Nipissing, nearshore archaeological sites are scattered over broad areas in a thick accumulation of sediment, rather than being concentrated near traditionally mapped beaches.
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A Thesis submitted to the faculty of the Graduate School of the University of Minnesota by Sheena Kelly Beaverson in partial fulfillment of the requirements for the degree of Master of Science, May 1993.
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