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Barite Nodules in Devonian Shale and Mudstone of Western Virginia

Sandra H. B. ClarkElwin L. MosierGeological Survey (U.S.)

出版	U.S. Government Printing Office, 1989
URL	http://books.google.com.hk/books?id=Qob5GN6g0KEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

A proposed origin of barite nodules in Devonian shale and mudstone of the Appalachian basin in western Virginia based on physical characteristics of the nodules and on the stratigraphy, paleoenvironment, and geochemistry of the shale and mudstone.