Book Description

This geological study of the siliceous materials found in southern Illinois provides a comprehensive analysis of the region's unique geological formations. The author, a noted petrologist, provides detailed descriptions of the various types of silica-bearing rocks found in the region, as well as their mineral composition and uses. The book also includes detailed maps and charts, as well as photographic illustrations of the various rock formations. This book is essential reading for anyone interested in the geology of the Midwestern United States. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.