Late Quaternary Sediments of Lake Michigan (Classic Reprint) PDF Download

Author: Jerry T. Wickham
Publisher: Forgotten Books
ISBN: 9780331374384
Category :
Languages : en
Pages : 32

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Book Description
Excerpt from Late Quaternary Sediments of Lake Michigan The maps revealed that the glaciolacustrine Equality Formation is dis continuous in Lake Michigan; however, in an area southwest of Grand Haven, Michigan, it displays a thickening that probably represents an offshore exten sion of the Allendale Delta of the glacial Grand River. The two lower members of the overlying Lake Michigan Formation are thickest in the deepwater basins of Lake Michigan. These lower members are composed of an extremely fine grained red glaciolacustrine clay deposited from suspension. In contrast, the upper three units of the Lake Michigan Formation are thickest in a belt along the eastern side of the lake and consist of gray clay resulting from erosion within the Lake Michigan drainage basin by waves and streams. A large influx of sediments from streams in western Michigan and possible redistribution of shoreline erosion debris by lake currents causes the accumulation of gray clay to be greatest on the eastern side of the lake. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.