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The Randsburg mining district

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Stanford University. - Technology & Engineering - 78 pages

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Contents

Picture of Polished Section of Kelly Silver Ore Page
32
lining of drusy cavity in silver ore
39
Sketch of faults and veins of Yellow JLster IIine
49

3 other sections not shown

Common terms and phrases

acidic andesite appears arsenopyrite assays Atolia basin batholith blue gouge brecciated Cambrian color country rock crumbly crystals deep seated deposition deposits.The desert region diabase diastrophism dikes and sills dredge east elly erosion fault feet five miles footwall fractures Geology Glory Hole gneiss gold quartz gold veins granite gravels gulches Hand Specimen Hawk igneous activity Ilelly Iline Inyo Kelly later Lline low grade marcasite mass miles north minerals mines mond beds occurs ore.The orthoclase Osdick period of igneous phenocrysts picture placer deposits plagioclase Polished Section produced pyrargyrite pyrite quartz diorite quartz monzonite ridge Rand Randsburg and Johannesburg Randsburg District Randsburg schist Red fountain Red Rock Canyon Rosa Rosamond beds Rosamond period Rosamond strata runs scheelite sediments shaft shows silicified silver sulfides solutions southeast stopes stringers Summit Diggings thickness Thin-section thru Topography tuff tungsten Upper Lliocene vein matter veinlet vhich Yellow Aster Zelly zones

Bibliographic information

QR code for The Randsburg mining district
TitleThe Randsburg mining district
AuthorDonuil Marshall Hillis
PublisherStanford University.
Length78 pages
Subjects › 

Gold mines and mining
Randsburg (Calif.)
Technology & Engineering / Mining
  
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