 | | Report (issue) | | assessments land areas__________ Geologic studies of mining districts and mineral-bearing regions._________________________...and Somerset Counties and northeastern Aroostook County, Maine, were investigated by C. C. Cameron (USGS)...hence, chromium could be a byproduct of nickel mining in these districts. In addition, some chrome sand...Porphyry copper deposit identified by Bear Creek Mining Company. The streams draining this first area were...Mitchell County, N.C., whose feldspar and mica production was gained from parts of the county outside |  | | Report (volume) | | assessments land areas__________ Geologic studies of mining districts and mineral-bearing regions._________________________...and Somerset Counties and northeastern Aroostook County, Maine, were investigated by C. C. Cameron (USGS)...hence, chromium could be a byproduct of nickel mining in these districts. In addition, some chrome sand...Porphyry copper deposit identified by Bear Creek Mining Company. The streams draining this first area were...Mitchell County, N.C., whose feldspar and mica production was gained from parts of the county outside |  | | Report (volume) | | 1988), and on December 7, 1989, at the Northwest Mining Association 95th Annual Convention and Trade Show...the Mineral Hill and Warm Springs mining districts, Blaine County, Idaho: Idaho Bureau of Mines and Geology...Deposits in the Lake Creek Mineralized Area, Blaine County, South-Central Idaho By Bradford R. Burton and...Mineral Deposits in the Washington Basin Area, Custer County, South-Central Idaho By J. Brian Mahoney H. Mineral...Mineral Deposits at Leadbelt, Lava Creek Mining District, South-Central Idaho By Sandra J. Soulliere |  | | Book | | oder abgerolltes pyroclastic (tuff, ash) flow = pyroclastic flow oder tuff flow oder ash flow [] In []...Abbau m exploitation, carrying; mining intensity Abbauhorizont m mining horizon Abbaukante f pillar edge...Bergeversatz mining with filling A. mit Druckwasser hydraulic mining A. mit Schappe auger mining A. mit Versatz...strip Abbausohle f horizon, [working] level, mining (working) floor Abbaustoß m face, highwall Abbaustrecke...A.senkrecht zu den Schlechten face eniry mining A. von Goldquarzgängen reefing harmonischer A |  | | Book (edition) | | Dictionary of Mining, Mineral, & Related Terms Compiled and edited by the Staff of the U.S. Bureau of...Graham, Director FOREWORD The need for a revised mining dictionary is obvious when one considers the technological...that have occurred since the Bureau's previous mining dictionaries were published. The Bureau had pioneered...the Mining and Minerals Industry," and continuing to the 1968 publication "A Dictionary of Mining, Minerals...Minerals, and Related Terms." To develop a modern mining dictionary, the U.S. Bureau of Mines initiated |  | | Book | | are, for the most part, restricted to those of the USA. Old and obsolete terms are defined when possible...and logging, materials, and the terminology of mining up to the point of re¬ moval of the ore. Engineering...highways, urbanization of drainage areas, strip mining, or ejecta based on mode of origin, and is equivalent...as part of afterdamp The gas remaining in a coal mine after an explo¬ the surveying operation, (b) The...Cf: porphyroskelic; intertextic. agglutinate n. A welded pyroclastic deposit characterized by which it |
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