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Publication Extents

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Map showing high-purity quartzite in California, Nevada, Utah, Idaho, and Montana
Keith B. Ketner
1976, Miscellaneous Field Studies Map 821
Unusually pure quartzite of Ordovician age crops out in hundreds of places from Owens River, California to southwestern Montana.  It constitutes a single lithologic type that is called the Kinnikinic Quartzite in central Idaho, the Swan Peak Quartzite in southeastern Idaho and adjacent parts of Utah, and the Eureka Quartizite...
Maps Showing Distribution of Heavy Minerals on the South Texas Outer Continental Shelf
Gerald L. Shideler, Romeo M. Flores
1976, Miscellaneous Field Studies Map 841
Heavy minerals constitute a natural resource which, under proper conditions, could have potential economic significance. The purpose of this report is to describe the heavy-mineral distribution in sea-floor sediments On the South Texas Outer Continental Shelf (OCS) within the northwestern Gulf of Mexico. The South Texas OCS encompasses approximately 24,500...