[PDF] Wisconsinan Sangamonian And Illinoian Stratigraphy In Central Illinois eBook

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Stratigraphy and Petrography of Illinoian and Kansan Drift in Central Illinois

William Hilton Johnson
Stratigraphy and Petrography of Illinoian and Kansan Drift in Central Illinois by William Hilton Johnson PDF

Author : William Hilton Johnson
Publisher :
Page : 320 pages
File Size : 20,12 MB
Release : 1962
Category : Drift
ISBN :

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The purpose of this investigation was to study the stratigraphy and petrography of the Illinoian drift in central Illinois as well as the stratigraphy and petrography of any drift encountered that might possibly be older than Illinoian. Of particular importance was the determination of the character and type of drift immediately subjacent to the youngest Illinoian drift in the area, the Buffalo Hart till. The study included field observations and interpretations and laboratory studies of the drift.

Wisconsinan and Sangamonian Type Sections of Central Illinois (Classic Reprint)

E. Donald McKay
Wisconsinan and Sangamonian Type Sections of Central Illinois (Classic Reprint) by E. Donald McKay PDF

Author : E. Donald McKay
Publisher : Forgotten Books
Page : 58 pages
File Size : 10,91 MB
Release : 2017-11-18
Category : Science
ISBN : 9780331043556

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Excerpt from Wisconsinan and Sangamonian Type Sections of Central Illinois In the 1970 classification of Pleistocene deposits in Illinois, willman and Frye designated Farm Creek as the type section for the Farmdalian Sub stage, Robein Silt, and Farmdale Soil. Recent stratigraphic studies have suggested that careful reexamination of these units is necessary for a more complete understanding of their stratigraphic importance. 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.