Feldspar in Illinois Sands: A Further Study (Classic Reprint)
Language: English
Published by Forgotten Books, 2024
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 13.25
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book studies the iron content of the feldspar and feldspathic grains in 21 Pleistocene feldspar-bearing sand samples of Illinois, using spectrographic analysis and petrographic methods. The author found the iron in the three kinds of grains, potash feldspar, soda-lime feldspar and feldspathic rock fragments occurred as small particles of iron-bearing minerals. In potash feldspar grains, iron oxide was also associated with alteration products within the grains. The study also revealed finer grained sands generally contain a higher percent of feldspar and a lower percent of feldspathic rock fragments than the coarser grained sands. The ratio of potash to soda-lime feldspars also varies from place to place. Sands of similar grain size from different parts of the state differ in their feldspar content. This book offers new, detailed information on the distribution of iron minerals in the feldspar grains, and may enhance the commercial possibilities of the Illinois sands as sources of feldspar. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…
Seller Inventory # 9780260019653_0
- Title
- Feldspar in Illinois Sands: A Further Study (Classic Reprint)
- Author
- Ralph Eugene Hunter
- Publisher
- Forgotten Books
- Publication year
- 2024
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 0260019658
- ISBN 13
- 9780260019653
- Seller catalogs
- Geology
The sands studied are of Pleistocene age, and all were derived at least in part from glacial material The sands are of three types: dune, river, and beach. The dune sands are found mainly in northern and central Illinois The largest deposits of river sand occur in the Mississippi, Illinois, Wabash, and Ohio Rivers. The beach sands occur along Lake Michigan and in the area covered by Glacial Lake Chicago. The glacial outwash of Illinois also contains much sand, but this sand is generally rather coarse-grained and associated with gravel. Be cause coarse sand is generally less desirable as a source of feldspar than fine or medium-grained sand due to its lower feldspar content, the glacial outwash sands were not included in the present study.
The dune sands are largely light brown in color because of an iron oxide coating on the grains. The sand in the lower parts of the dunes is less weathered and contains less iron oxide than that in the upper parts Much of the dune sand is noncalcareous, but the lower parts of some dunes contain limestone and dolomite grains The dominant size fraction varies from the 35 by 48-mesh fraction to the 65 by loo-mesh fraction in different dune sands (willman, 1942, p. Most of the dune sands contain less than 5 percent silt and clay.
The river sands are lighter gray in color than the dune sands The sands of the Illinois and Wabash Rivers contain many limestone and dolomite grains.
The sands of the Ohio and Mississippi Rivers contain lesser amounts of such grains, and some samples studied by Willman (1942, p. 20) contain no carbonate. With the exception of the Mississippi River sands south of Alton, few of the river sands sampled by Willman are as fine-grained as the fine-grained dune sands. In the Mississippi River south of Alton, large sand deposits occur in which the dominant size fraction is 65 by loo-mesh.
The beach sands are similar to the river sands in color and contain large amounts of limestone and dolomite grains. They range from pebbly sands to sands similar to the dune sands in grain size (willman, 1942, p.23).
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.
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Forgotten Books
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
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.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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