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| January 2015 Minerals of the Gilman District and Eagle Mine Eagle County, Colorado WILLIAM J. WARREN JR. Front...632 Golden, Colorado 80402 wjwmineral@aol.com ED PEDERSEN 11582 Ash Circle Thornton, Colorado 80233 pedersencpg@aol...298 ROCKS & MINERALS T he Gilman district, in Eagle County, Colorado, and its premier mineral specimen...Company’s Eagle mine, are located about 120 kilometers west-southwest of Denver. The Gilman district was originally...known as the Battle Mountain district and was later referred to as the Red Cliff district. Much of the |
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| Ore Deposits of the Oilman District, Eagle County, Colorado GEOLOGICAL SURVEY Study made in cooperation...cooperation with the Colorado Mining Industrial Development Board PROFESSIONAL PAPER 1017 Ore Deposits...Deposits of the Oilman District, Eagle County, Colorado By THOMAS S. LOVERING, OGDEN TWETO, and T. G. LOVERING... 1017 Study made in cooperation with the Colorado Mining Industrial Development Board Description of...geologic setting of a mining district that is the leading source of zinc in Colorado and an important source |
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| [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...(sometimes referred to as marmatite), pink, or dark red (Eckel et al. 1997). Sphalerite crystallizes in the...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks |
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| August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...colors ranging from pale to intense pink, cherry-red, and tannish-pink. Along with amazonite, it i s one...one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix of Mn...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated, |
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| Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst...veined with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn Sacco, Peabody...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion,...Regional geologic and tectonic setting of the central Colorado mineral belt . . . . Alan R. Wallace Paleozoic |
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| JANUARY, •9•5 AND ORE DEPOSITS No, OF RED CLIFF, COLORADO. A. H. MEANS. INTRODUCTION. Muchatt[ntion...fissureveins to blanketdepositsin that district. At Red Cliff theconditions of deposition aresimilartc•Leadville...Leadville,there are fissuresand blanketdeposits. In Red Cliff, however,it was possibleto determinethe relationof...following paper. LOCATION. The Red Cliff or Bn•le Mountain District (altitude 8,600 feet) is locatedin...locatedin the southeastern part of Eagle County,Colorado, about 2o miles north-northwestof Leadville, and 75 |
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| MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |
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| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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| Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale..._________ Eagle County_________________________________________________ Red Cliff (Gilman) district_ |
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| KokomoMiningDistrict,Colorado CRAIG J.MACH* ANDTOMMY B.THOMPSON **'• Department of EarthResources, Colorado StateUniversity...StateUniversity, Fort Collins,Colorado 80523 Abstract The oresof the Kokomo miningdistrict,Colorado, areAg-Pb-Znmassive...calcareous sedimentary rockscentered on theTucker Mountain area.Mantoorebodies occurto thesouthin anupdipdirection...hydrothermal solutions. Mantosaresurrounded by halosof siderite-manganosiderite, hydrothermal dolomite, and/orjasperold...bandedandtabulartextures verysimilarto oresat Leadville and Gilman,Colorado. Ore deposition occurred in the generalsequence: |
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| DC 20013 pohwatp@si.edu Siderite Siete Suyos Mine, Atocha-Quechisla District Sud Chichas Province, Potosí...superb backgrounds for the A-List minerals, is siderite. Its typical brown color is perfect for highlighting...at a later time), siderite is an underappreciated star in its own right. Siderite is ferrous iron carbonate...conchoidal fracture and a perfect _ cleavage on {1011}. Siderite has a hardness of 3.75–4.25, as measured on the...ash-gray, and white. An interesting fact concerning siderite is that it is paramagnetic, meaning it is attracted |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |
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| T. J. Bornhorst, P. Brandes, R. Clark (Cliffs Mining Services Co.), B. C. Cornilsen, R. V. Dietrich...helpful suggestions throughout the project; to Ashton Mining of Canada, Inc. and Crystal Exploration, Inc.,...APPENDIX I: MICHIGAN MUSEUMS AND EXHIBITS FEATURING MINING, MINERALS, ROCKS, AND FOSSILS .......................243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS...three major periods of crustal deformation and mountain building and to at least three or four additional |
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| (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...eventually led to one of the biggest and most important "mining booms" in this country's first century. Despite...setbacks, the 1845 discovery of the Cliff Mine ( first in the world to mine native copper as its sole product)...instilled confidence in North Country mining and initiated the modern mining era. Choice 'Lake Copper' furnished...never documented by geologists working in the district during its decades of maximum activity. Hence |
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| ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...sandstone⎯red ocher. (Such deposits were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL...nearby exposures, deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...sandstone⎯red ocher. (Such deposits were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL...nearby exposures, deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the |
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| Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...rocks _________________________________ _ Elk Mountain Porphyry ____________________ _ Porphyritic quartz...Lincoln PorphyrY--------------------------Chalk Mountain Rhyolite ___________________ _ Quaternary deposits...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________ |
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| Color : Pale red when fresh, tarnishing to brownish shades Streak: Shining pale red Hardness : 2.5-3...Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in Arizona. Good...Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South Dakota; in Montana and Arizona...Waihi Mine, Mine, New from Zealand. Chartres In Australia, at Mount Morgan Towers district, from...and Cuprite in Nevada; at Sulphur Bank mercury mine and at Lassen Peak, California. Sharp well-shaped |
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| properties: Color: Pale red when fresh, tarnishing to brownish shades Streak: Shining pale red Lustre: Metallic...Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in Arizona. Good...Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South Dakota; in Montana and Arizona...at Waihi Mine, New Zealand. In Australia, at Mount Morgan Mine, from Chartres Towers district, from Hillgrove...Luning and Cuprite in Nevada; at Sulphur Bank mercury mine and at Lassen Peak, California. Sharp well-shaped |
 | | Journal (article/letter/editorial) |
| secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues...FiridofGt~rnSphultirite ut IIIP Bulinut Zinc Mine, St. Luwrence County, tditor of NPW b r k ” unrl iipptwwl...and additions. Mlneral Index by Counties Brule County Elm Creek, IS mi. S. of Chamberlain, near junction |
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| BUDDINGTON Prepared in cooperation with the STATE MINING BOARD OF OREGON UNITED STATES GOVERNMENT PRINTING...Mineralized areas and mining districts.____-_--_-----_____-______---_ Bohemia district.._i_-_-__--_---_-...CONTENTS Mineralized areas and mining districts Continued. Bohemia district Continued. Mineral deposits...prospects._____----_-_--___---_-_-______________ Champion and Evening Star.___________________________ Helena...-____------___-______--_---_______.__.. 67 67 Gray Eagle and Alice.---.-.---______________________ 68 |
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| 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |
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| deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...include carbonates (ankerite, calcite, dolomite, and siderite), albite, biotite, and chlorite among others (Berger...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...(Malcolm, 1912), galena was widely considered by mine operators to be correlated with better gold grades |
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| 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 |
