| | Report (issue) | SULFIDES OF VIRGINIA FIELD TRIP GUIDEBOOK J. E. Gair, Editor U. S. Geological Survey Reston, Virginia 22092...Caledonian Stratabound Sulphides. Massive Sulfides of Virginia Field Trip Contents Page Introduction by J.E....the Piedmont of Virginia by Louis Pavlides ............. STOP 1, 8 STOP 1A. Mineral district Chopawamsic...Creek by J.E. Gair .............. 24 Ores of the Mineral district by J.R. Craig, J.W. Miller, L.J. Cox,...Open pit, east end of Betty Baker mine by J.E. Gair Drill core, Mineral district by J.E. Gair ....... | | | Journal (article/letter/editorial) | Geological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, U.S.A. Gahnite...Stratiform Massive Sulfide Deposits of the Mineral District, Virginia, U.S.A. D. J. Sandhaus 1 and J. R. Craig...Ferroan-gahnite, (Zn,Fe)Al~O4, is a common accessory mineral found in association with the metamorphosed volcanogenic...volcanogenic massive sulfide ore bodies of the Mineral District, Virginia. Gahnite is present throughout the mineralized...mineralized zones that contain pyrite, sphalerite, chalcopyrite, and sulfosalts. Although constituting | | | Journal (article/letter/editorial) | Geological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, ~4 24061, USA ~Department...~Department of Geology and Mineral Resources Engineering, University of Trondheim-Norwegian Institute of Technology...metamorphism have significantly modified the ore-mineral grain sizes and textures, but do not seem to have...effectively influenced the number or variety of mineral species present. Introduction Stratabound, and...significant sources of iron, copper, lead, zinc, gold, silver and sulfur. In Scandinavia, representatives | | | Report (issue) | INTERIOR GEOLOGICAL SURVEY Characteristics of Mineral Deposit Occurrences Compiled by Ralph L. Erickson.... Model for contact metasomatic tungsten/copper/gold deposits, by J. E. Elliott........................R. Shawe.......... Orogenic (metamorphic-hosted) gold-quartz veins, by J. K. Bohlke......... Volcanic...Theobald, Jr.......................................... Belt Stratabound Cu-Ag, by J. E. Harrison..............Stratabound massive sulfide--deposits in an island-arc belt of volcanic/volcaniclastic rocks, by Leslie Cox | | | Report (volume) | Paul H. Ribbe, Series Editor Virginia Tech, Blacksburg (click on Rev Mineral Geochem entry) December 9...minerals represent an important component of our mineral economy, the pollution problems in our air and...processing of coal or metal-sulfide ores (largely for gold, silver, copper, lead, and zinc) produce waste materials...and sediment. Concentrated waters associated with mine wastes may precipitate a variety of metal-sulfate...minerals spans from submicroscopic reactions at mineral-water interfaces to global issues of oceanic cycling |
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