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Mineralogical and Physical Characteristics of Till in Moraines of Lasalle County, Illinois

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Title: Mineralogical and Physical Characteristics of Till in Moraines of Lasalle County, Illinois
Creators: Jones, Robert L.; Beavers, A. H.; Alexander, J. D.
Issue Date: 1966-07
Citation: The Ohio Journal of Science. v66 n4 (July, 1966), 359-368
Abstract: North-south-trending and arcuate lobate moraine systems occur in LaSalle County. The till of the arcuate system is characterized and distinguishable by relatively coarse texture, high magnetic susceptibility, carbonate, and zirconium contents, as compared with the north-south moraine system. The arcuate system seems to be particularly influenced by Ordovician and Silurian rocks. Illite is the dominant clay mineral of all tills. Iron-rich chlorite is markedly oxidized in the more permeable tills of the arcuate system.
URI: http://hdl.handle.net/1811/5197
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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