 | | 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...Companyās 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 |  | | Journal (article/letter/editorial) | | Preserving Minerals and Mining Histoty at the Eagle Mine Gilman District, Colorado JACK A. MURPHY Department...Museum of Nature & Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @dmns.org I...undertook a mineral zinc and silver mining operation old mining camp of Gilman was the time, I was anxious to...is the curat, & Science. His most recent artic Colorado Gemstone Localitiesā was coauthored by Peter J...2014 deposits, and learn more about Coloradoās mining history. But another goal was in my mind, one that |  | | 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) | | Right: Quartz (var. amethyst) on sphalerite and medium-pink rhodochrosite, 5 cm x 3 cm. GILMAN, COLORADO...COLORADO! Minerals of the Eagle Mine and Gilman District No other mine in Colorado, and few mines in the...crystalized mineral species as the Eagle mine at Gilman, Colorado. Most experienced collectors are familiar...pyrite specimens that have been proĀ 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 |  | | Report (issue) | | the Minturn 15-Minute Quadrangle, Eagle and Summit Counties, Colorado By OGDEN TWETO and THOMAS S. LOVERING...PAPER 9 56 Prepared in cooperation with the Colorado Mining Industrial Development Board Geology of the...the region surrounding a major zinc mining district and the Vail recreational area, with emphasis on the...Dyer Dolomite .............................. . Gilman Sandstone .......................... . Leadville...Continued Minturn Formation- Continued .Jacque Mountain Limestone Member ........ . Changes in thickness |  | | Report (issue) | | Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...minor gale na and quartz. W hite dolomite fills some ,Ā·ugs. Late narrow veinlets of quartz and marmatite...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, |  | | Journal (issue) | | Mine Vol. 35 No. 1 January 2019 News The Mineral Collector's Newsletter $6.00 Albert Edward Foote...Foote (1846-1895) And his Crystal Peak, Colorado Lithograph Pictures Mark Ivan Jacobson markivanjacobson@gmail...Congress representing the Anti-Monopoly Party (Sioux County Herald I 874). Luckily, he was unsuccessful at...NewYork. Silver Ore from the Eagle Mine Red Cliff District, Eagle County, Colorado Bob Werner werner@lcturbonet...location. The specimen came from the well-known Eagle Mine (fig. 2 on page 3) of Empire Zinc Company, a |  | | Report (volume) | | of the Leadville 1Ā°X2Ā° 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 1Ā°X2 o quadrangle, Colorado. III IV CONTENTS FIGURES 1. 2. 3. 4. 5. 6...of the Leadville 1Ā°X2Ā° quadrangle, west-central Colorado........................ 2 Map showing major geologic |  | | 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 |  | | Journal (article/letter/editorial) | | MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...B ~i~~~~ 1. Mine along West willow Creek, near Creede and across from the Bachelor mine. Photo by author...the Rock Candy mine in British Columbia, Canada; and in the United States in Hardin County, Illinois, among...localities. Barite also occurs in many localities in Colorado, where it often forms attractive, wellcrystallized...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden |  | Wallace, A.R., Ludington, Steve, Lovering, T.G., Campbell, D.L., Case, J.E., Grauch, V.J.S., Knepper, D.H. (1988) Leadville 1 degree x 2 degrees Quadrangle, Colorado; a pre-assessment. Open-File Report Vol. 1988 (88-74) US Geological Survey doi:10.3133/ofr8874 | Report (issue) | | GEOLOGICAL SURVEY Leadville IĀ°x2Ā° quadrangle, Colorado: a pre-assessment by Alan R. Wallace , Steve...standards and stratigraphic nomenclature. Denver, Colorado -Menlo Park, California CONTENTS Page Preface............ 18 19 20 TABLES Table 1. 2. 3. 4. Mining districts in the Leadville quadrangle................................. Base- and precious-metal mining areas......................... 4 11 16 17 PREFACE...the Leadville IĀ°x2Ā° quadrangle in west-central Colorado under the Conterminous United States Mineral Resource |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...specimen. Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Journal (article/letter/editorial) | | 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...of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen |  | | Journal (article/letter/editorial) | | [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 |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, NāChwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...photo. May/June: Tourmaline on quartz, Cryo-Genie mine, San Diego County, California. Natural History Museum...Museum of Los Angeles County specimen, Harold and EricaVan Pelt photo. July/August: Amethyst and calcite...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Erica Van Pelt photo. November/December: Elbaite on quartz, Barra de Salinas, Minas Gerais, Brazil. Hyman |  | | 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, |  | | Journal (issue) | | Newsletter $6.00 Minerals from the Eagle Mine Gilman, Colorado Bob Werner werner@lcturboney.com After...After submit1ing the article, Silver Orefrom the Eagle Mine, (Mineral News, Vol. 35, No. I), I thought there...prolific locality that is now closed "forever". The Eagle Mine (fig. I, right) is well known to collectors for...reached the market during its operation. The Eagle Mine was Colorado's largest zinc and copper producer...adjacent local mines into one operation. The Eagle Mine was accessed by the Wilkesbarre shaft and the |  | | 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 |  | | Journal (article/letter/editorial) | | JANUARY, ā¢9ā¢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 aresimilartcā¢Leadville...Leadville,there are fissuresand blanketdeposits. In Red Cliff, however,it was possibleto determinethe relationof...following paper. LOCATION. The Red Cliff or Bnā¢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 |  | | 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 ā_ā< Ā¢ 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 resourcesāColorado. 2. Mines and mineral resourcesāNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President October 2018...Steven Veatch Topic: The Greater Alma Mining District: A Colorado Mining Legend Please note: Members whose...OCTOBER PROGRAM The Greater Alma Mining District: A Colorado Mining Legend By Steven Wade Veatch The...The first gold strike in Park County, Colorado was on the eastern slope of the Mosquito Range in the northwest...northwest part of the county at Buckskin Gulch in 1859āthe same year the āPikes Peak or Bustā gold rush |  | | Report (volume) | | Holy Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado COLORADO ā¢ Mineral Resources...the Holy Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado By ALAN R. WALLACE, GREGORY K...the Holy Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado by Alan R. Wallace ... [et al...no.: I 19.3:1879 1. Mines and mineral resources-Colorado-Holy Cross Wilderness. 2. Holy Cross Wilderness...San Isabel National Forests, Eagle, Pitkin, and Lake Counties, Colorado. This area was established as |  | | Journal (issue) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt.................................... 1973). T he crysĀ tals occur with trem olite, quartz and calcite in talc-filled pockets that have developed...had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English...thereafter. In 1971 both the land and the right to mine diopside were purchased by the present owners, Schuyler |  | | Report (issue) | | SOURCES FOR GROUND-WATER HYDROLOGY AND GEOLOGY OF COLORADO WEST OF THE CONTINENTAL DIVIDE By Edward R. Banta...in cooperation with the COLORADO WATER CONSERVATION BOARD Denver, Colorado 1992 U.S. DEPARTMENT OF...Copies of this report can be purchased from: District Chief U.S. Geological Survey Box 25046, Mail Stop...geologic data for wells and test holes in western Colorado- - ________ _ ____ 111 3 BIBLIOGRAPHY, INDEX...SOURCES FOR GROUND-WATER HYDROLOGY AND GEOLOGY OF COLORADO WEST OF THE CONTINENTAL DIVIDE By Edward R. Banta |
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