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Maps Showing Distribution of Heavy Minerals on the South Texas Outer Continental Shelf Maps Showing Distribution of Heavy Minerals on the South Texas Outer Continental Shelf
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 sq km extending southward from...
Maps showing mineralogical and geochemical data for heavy-mineral concentrates in the Tanacross quadrangle, Alaska Maps showing mineralogical and geochemical data for heavy-mineral concentrates in the Tanacross quadrangle, Alaska
This series of maps showing the following data for heavy mineral concentrates: distribution and abundance of selected ore-related minerals, distribution and abundance of copper in the magnetic fraction, and distribution and abundance of lead, copper, tin, beryllium, tungsten and bismuth in the nonmagnetic fraction. The data are plotted on base maps showing generalized geology, base metal...
Mineral deposits and occurrences in the McCarthy Quadrangle, Alaska Mineral deposits and occurrences in the McCarthy Quadrangle, Alaska
The McCarthy quadrangle contains numerous and diverse mineral deposits in various geologic settings. Copper is the dominant mineral commodity, both historically and in terms of potential future production. Gold and silver are the only other metals that have been produced. The metalliferous deposits are concentrated in a northwest-trending belt along the southern flank of the Wrangell...
Mineral resources map of the Tanacross Quadrangle, Alaska Mineral resources map of the Tanacross Quadrangle, Alaska
Areas favorable for the occurrence of two types of mineral deposits are delineated on the map. Known deposits and occurrences are also shown on the map and available data on them are provided in table 1. Information from the known deposits combined with geologic, geochemical, geophysical, and earth satellite data presented in the other components of the Tanacross folio provide the basis...