 | | Journal (article/letter/editorial) | | 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 |  | | Report (issue) | | 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 |  | | Journal (article/letter/editorial) | | cm. GILMAN, COLORADO! Minerals of the Eagle Mine and Gilman District No other mine in Colorado, and...crystalized mineral species as the Eagle mine at Gilman, Colorado. Most experienced collectors are familiar...pyrite specimens that have been pro duced from this mine over the years, but few are aware of the entire...WILLIAM J. WARREN 1400 Utah Street, #105 Golden, Colorado 80401 R O B E R T B. COOK Geology Department Auburn...the Eagle mine and the somewhat larger Gilman district (also known as the Battle Mountain district) within |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, N’Chwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen,...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Acanthite-argentite, Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 “Alaskaite,” Colorado, 307...395 Allanite-(Ce), California, 162 Allophane, Colorado, 307 Almandine, Connecticut, 261 Almandine-spessartine |  | | Journal (article/letter/editorial) | | 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, |  | | Report (volume) | | 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 |  | | Report (issue) | | 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 |  | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona .......Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... |  | | Book | | 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 |  | | Report (volume) | | Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado GEOLOGICAL SURVEY BULLETIN 1 J82-C t ...Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado By FRED A. HILDEBRAND and ELWIN L. MOSIER CONTRIBUTIONS...silver ores remain at the surface in this old mining district UNITED STATES GOVERNMENT PRINTING OFFICE,................................................. Mining history ................................................................... Silver Cliff Plateau and Round Mountain .............................. Bromargyrite |  | | Journal (issue) | | 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 |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | David New for verification. The colorless, slightly red-stained, crystals are 1-2 mm and were found at Tsumeb...REPUBLICS species. The specimen was from Boulder County. A short note suggested coloradoite. An x-ray powder...America Memoir #109, Telluride Ores of Boulder County, Colorado, p 80, where they state, "Coloradoite and...(Joachimstal), Czechoslovakia. 3 UNITED STATES OF AMERICA Colorado Hessite A very challenging unknown was received...quartz, gold, and other Mineral Specimens from Colorado Mines: 1978 The following information was provided |  | | Journal (article/letter/editorial) | | ARGILLIC ALTERATION AND URANIUM EMPLACEMENT ON THE COLORADO PLATEAU by PAUL F. KERR AND MARIAN B. JACOBS...recognized in association with uranium deposits on the Colorado Plateau and along border areas. Alteration and...temperatures in the laboratory; the recognition of dickite in gouge zone veinlets associated with primary...of red beds also suggests reducing conditions. INTRODUCTION HOST rock alteration on the Colorado Plateau...a problem in sedimentary strata. Although the Colorado Plateau is largely an area of sedimentary strata |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N. Y. 12. Manganese nodules...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine. The mining of mineral deposits, once discovered, depends...________________———— Utah __________________________ Marysvale district (Piute and Sevier Counties) Southern Wah Wah Mountains |  | | Journal (issue) | | Cerussite from Mammoth-St. Anthony Mine (Tiger, Pinal Co., Arizona, USA). Ex coll. Rock Currier. Part of...Treasures Exhibition at the TGMS Show 2008. Kelly Mine Smithsonite A Lesson Learned Bob Werner werner@lcturbonet...a lasting impression on me occurred in the Kelly Mine in New Mexico in the late SO's. Socorro, New Mexico...the state is home to the New Mexico Institute of Mining & Technology (NMIMT), formerly the New Mexico School...admitted to NMIMT to begin studies in geology and mining engineering. I can still remember the first time |  | | Journal (article/letter/editorial) | | settlement was initially spurred by the lead-zinc mining in its southwest comer, a heritage preserved by...several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks...barite, and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the |  | | Book | | 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 |  | | Report (issue) | | ___________________________________ _ History of mining in the region __________________ _ Production-...______________________ _ ·Mining districts and mines ______________________ _ Rimini district ____________________________...____________________________ _ Lee ·Mountain-V~lley Forge shear zone ___ _ Lee Mountain mine ____________ .____ _ Valley...Valley Forge mine _________________ _ Little Lilly group __________________ _ Mines on the western slope...slope of Red Mountain ________________________________ _ Red Mountain TunneL _____________ _ Free Speech |  | | Journal (article/letter/editorial) | | array of other minerals, as evidenced by this county-by-county description of localities. A R K A N S A...A S H A S A R I C H M I N E R A L and mining heri tage that started in the early 1800s with explorers...noting the minerals of Magnet Cove, continued with mining in north ern and western Arkansas and Magnet Cove...extensive collecting in Magnet Cove. In the 1900s, mining and minerals continue to play important roles in...the state, with obvious peaks in exploration and mining having occurred during World Wars I and I I . |  | | Book (volume) | | ae TONITE TN263. Au. =American Institute of Mining, Metallurgical, V.2 and Petroleum Engineers Ore...Inst! itute i an Americ ie Lye 2 of llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits...Graton-Sales Volume Other Volumes in the Rocky Mountain Fund Series CONFERENCE ON REVERBERATORY SMELTING...(1933) AIME TRANSACTIONS VOLUME AIME TRANSACTIONS MINE PLANT VOLUME 112, MILLING METHODS (1933) (1934)...AND ZINC (1936) 134, MILLING METHODs 141, METAL MINING (1939) (1937-40) BLAST FURNACE, COKE OVEN AND |  | | Journal (article/letter/editorial) | | 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...prospect in the Needle Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Journal (article/letter/editorial) | | AND ASSOCIATED CLAYS FROM THE DeLAMAR MINE AND FLORIDA MOUNTAIN AREA, IDAHO J, L. POST,l B. L. CUpp2 AND...Grass Valley, California 95945 2 De Lamar Silver Mine, PO Box 103, Jordan Valley, Oregon 97910 3 Swiss...specimen of beidellite from the Black Jack Mine, Florida Mountain, Idaho. A variety of aluminous clays exists...containing less than 1.0% MgO and 0.5% 1O-A halloysite, dickite, nacrite, rectorite and Na20. Associated clays...II beidellites from mines around the Black Jack Mine are given. The beidellites have an American Society |  | | Report (issue) | | (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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