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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...Companyâs 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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| 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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| Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...discovery of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...the gold deposits found throughout the rest of the state. As previously mentioned, each new gold discovery...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis |
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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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| JANUARY, â˘9â˘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 aresimilartcâ˘Leadville...Leadville,there are fissuresand blanketdeposits. In Red Cliff, however,it was possibleto determinethe relationof...following paper. LOCATION. The Red Cliff or Bnâ˘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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| 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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| MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ 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 resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |
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| of the Leadville 1°X2° quadrangle, west-central Colorado : summary and discussion I by Alan R. Wallace...Radioactive dating-Colorado-Leadville Region. 2. Geology, Stratigraphic. 3. Geology-Colorado-Leadville Region...Appendix E. Geochronologic data listed by mining district .. ........... ............. .......... .....geochronology samples, Leadville 1°X2 o quadrangle, Colorado. III IV CONTENTS FIGURES 1. 2. 3. 4. 5. 6...of the Leadville 1°X2° quadrangle, west-central Colorado........................ 2 Map showing major geologic |
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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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| DIEGO FREEWAY 14051 p a c if ic COAST HIGHWAY Gold-Nevado Co. California Hours: Tues-Sar. 10-5 Sunday...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs 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 |
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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..._____ Base-metal veins with variable amounts of gold _______ Veins of quartz and clay minerals_____.__-___...Chalcopyrite and quartz veins__.____-__.___--__-__. Gold-quartz and gold-calcite-quartz veins___________ Stibnite-pyrite-quartz |
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| 5-6 Fluorescent Mineral Society Hall of Fame 7 Colorado Chapter Symposium Report 8-9 Chapter Updates ...season is almost over. I was more successful this mountain collecting year in getting out and about. I spent...of all kinds. The Colorado drought had the result that there were days on the mountain where we collected...collecting trips on the mountain. The new private owners of the California Mine have reopened the adit...all-summer-long occupancy. Be warned, the three California mine âpatented claims [since circa 1924]â are private |
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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 â Cochise Co. Mining Districts .................................... |
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| pohwatp@si.edu Siderite Siete Suyos Mine, Atocha-Quechisla District Sud Chichas Province, PotosĂ Department...1. Gemmy siderite from Siete Suyos mine, Atocha-Quechisla district, Sud Chichas Province, PotosĂ Department...Figure 2. Siderite with quartz, from Mine Hill, Roxbury, Litchfield County, Connecticut. The composite crystals...of siderite were collected from Mine Hill, Roxbury, Litchfield County, where large cleavage masses to...(fig. 2). From the Palermo No. 1 mine, North Groton, Grafton County, New Hampshire, come microcrystals |
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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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| 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..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 9 10 11 11 11 Gold-------------------------------------Magnetite-- |
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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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| [ [ 23 I 1992 [ 65-128 65-136 65-128 1-96 GOLD-II] 1-112 MMEEâ˘] 25 I 1994 1-80 ARIZONA-I] ...193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400 257-336 [ 257-320 [ [ GOLD-I ] 321--412...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 |
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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...to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely unprofitable...unprofitable, although gold may still be panned in the regional streams. Most of the rest of the state...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |
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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...to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely unprofitable...unprofitable, although gold may still be panned in the regional streams. Most of the rest of the state...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |
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| here are data on sulfide and nonsulfide mineralogy, gold and silver grades and deposit tonnage. A discussion...name, country, local geographical area, mineralogy, gold and silver grades, tonnage, and references are given...deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...1980)). These deposits are primarily worked for gold. Silver is a minor byproduct; about 14 percent of...infrequently, the disseminated ore was a major source of gold. DEFINITION OF DEPOSIT Definition of deposits as |
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| this explain why Hydroseals Tee IN THE MAJOR MINING PUMPS PROTECTED CENTERS OF THE WORLD Most... Most of the worldâs molybdenum comes from this Colorado pit. The 12,250-ft. elevation doesnât make the...machines like the âCaterpillarâ Diesel products mining throughout the world. Tractors. Bulldozers, Motor...repiling bauxite and loading trucks for Reynolds Mining Corporation, near Hurricane Creek, Arkansas. CATERPILLAR...ie)~ 2 bd ona ha vil âf Ob? a\S , ie A Moy a red 4 be nf F a aid { av) ea te WItt id WT ral |
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| Wilderness, Lake County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1636. ~ COLORADO Mineral Resource...Potential of Mount Massive Wilderness, Lake County, Colorado By R.E. VAN LOENEN, G.K. LEE, and D.L. CAMPBELL...potential of Mount Massive Wilderness, Lake County, Colorado I by R.E. Van Loenen ... [et al.]. p. em....: I 19.3: 1636 1. Mines and mineral resources-Colorado-Mount Massive Wilderness. 2. Mount Massive Wilderness...Wilderness, San Isabel National Forest, Lake County, Colorado. The area was established as a wilderness |
