 | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Book (volume) | | corner of Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE OCEUR D'ALENE DISTRICT, IDAHO BY RANSO~IE FREDERICK LESLIE AND FRANK.... ..... . . 65 Structural subdivisions of the district. . ................................•.. .. ......-Structure-Continued. Structural subdivisions of the district-Continued. Page. Southeastern area ... _. ___..._________ . _..... __ ._ .... _.... __ 78 History of mining development .. ______ .. ___ . __________ . _______... _________ ._ .. ____ .. __ .____ 84 Mines and mining ___ .. _... _______ . ________ . _. ____ . ___ |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...Keene, Mill Creek and Tuscarawas, as hard dark gray to black nodules⎯flint. CUYAHOGA COUNTY CHAGRIN...Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay, as clusters...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...Keene, Mill Creek and Tuscarawas, as hard dark gray to black nodules⎯flint. CUYAHOGA COUNTY CHAGRIN...Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay, as clusters...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Report (issue) | | COPY Bedrock Geology of the Kassler Quadrangle Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B Bedrock... Bedrock Geology of the Kassler Quadrangle Colorado By GLENN R. SCOTT GEOLOGY OF THE KASSLER QUA.DRANGLE...DRANGLE, JEFFERSON AND DOUGLAS COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B A survey...survey of the east flank of the Colorado Front Range with emphasis on Cretaceous rocks and on structural...AND DOUGLAS COUNTIES, COLORADO BEDROCK GEOLOGY OF THE KASSLER QUADRANGLE, COLORADO By GLENN R. ScOTr ABSTRACT |  | Finch, John Wellington, Bateman, Alan M., Butler, B. S., Loughlin, G. F., McLaughlin, D. H., Singewald, J. T. Jr. - Eds. (1933) Ore Deposits of the Western States. The American Institute of Mining and Metallurgical Engineers, New York. | Book | | uccessor in interest, the American Institute oC Mining and M etallurgical Engineers has made a grant from...attended his efforts- not the spectacular success of a mining executive, but the more lasting success in the...spontaneous movement arose among geologists and mining engineers to express in some appropriate fashion...Board of Directors of the American Institute of Mining and Metallurgical Engineers elected him to H onorary...that would touch wider circles, was desirable. The Mining Geology Committee of the A.I.M.E. undertook to |  | | Book (edition) | | Isotropic with N = 1.93. Colorless. Found at a copper mine in Chile. Very rare. Marshite (Cul) is tetrahedral...red; wax yellow in powder. Found in pegmatite in Colorado and Sweden. Very rare. Chloraluminite (AlCla•...microcline and zircon near Pike's Peak, and in a topaz mine in the Ilmen Mountains. DrAG.-Easily distinguished...slags at Laurium and also (rafaelite) at a lead mine in Chile. Very rare. Chloroxiphite 20 { 2PbO· Pb(OHh·...= r.91, Nu - Np = o.or±. Color gray. Found at a mine in Bolivia. Very rare. A. F. Rogers: Am. Jour. Sci |
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