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| Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony of the Cross of Gold n the long and...the House of Rothschild twice helped prop up the gold reserves of h c Ilnited States. The first time was...the gold reserves that would be necess,iry to allow Civil War greenbacks to be redeemed in gold as required...h c . I I.S. Treasury faced a rapidly dwindling gold reserve. I'residen t Grover ( ;levclcind struck...Rothschild to purchase US. bonds with $62 million in gold to put the 'lieasuiy's rt'wrvt's back into an acceptable |
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| inches; a floater specimen, Cross vein, Idarado mine, Ouray and San Miguel countries. Figure 2 (right)...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Russia. Calcite also occurs at many localities in Colorado. Further, the state is the source of calcite as...marble (from the Yule quarry at Marble in Gunnison County) that has been used for many of the great monuments...Calcite, the most common carbonate mineral in Colorado. is found in a variety of occurrences, including |
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| The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...For the past 250 years, men have sought to extract gold and silver from these mountains. However, it was...the extent of their mineral wealth. In addition to gold and silver, the region produced economic quantities |
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| 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;...C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John...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 |
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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 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 |
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| Mineralogy of Selected Occurrences in Central Colorado and the San Juans Downloaded by [University of...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...218-239, 280) dealt with the discovery of gold in Colorado and the mining history and geology/mineralogy...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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| (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...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...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 |
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| Through the 'Scope 1 OURAY Eldorado mine IfXCamp Bird mine TEIXURTOE 'TMdarado mine q Eureka Red Mountain...TOM ROSEMEYER 1632 Camp Bird Mine Road P . O . Box 586 Ouray, Colorado 81427 Tom Rosemeyer is the owner...Explora tion and has mined and collected minerals in Colorado for the past twenty years. Microminerals of the...the San Juan Mountains, Southwestern Colorado WELCOME TO -THROUGH THE 'SCOPE," a column devoted to news...mining in the San Juan Mountains of southwestern Colorado for Ihe past twenty years. Dur ing this time |
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| Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |
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| [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...rail for the mines, standing on Main Street in Ouray (1886). The Wright Opera House is the large building...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (“Colorado Pyrite”), September/October |
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| JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978 Wapiti Court Boulder, Colorado 80301...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...vicinity of Silverton, the principal town in the county. The American Tunnel, located just north of town...of the Sunnyside mine complex and has been the major source of specimens in the county. Most museums and |
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| Mineral Resources of the Uncompahgre Primitive Area Colorado By R. P. FISCHER and R. G. LUEDKE, U.S. GEOLOGICAL...mineral survey in the Uncompahgre primitive area, Colorado. The area discussed in the report corresponds....___ _________________________________________ Ouray area____j______________________-.__________________...recorded production._______-_-_-____-___ 31 32 32 33 Gold....... _________________..___.__._..._..____......and R. G. Raabe_____.__..___ Claim coverage and mine workings._____________________________ Patented |
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| Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 PART 1 Downloaded...Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 A Historical... Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 n 1875 Co\orado was still a territory awaiting...Hontirig a t Argenteuil-and John Fallon discovered gold and silver in the high mountains near where the...Soptemberl0ctob.r 2000 319 Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October |
 | Lipman, P. W., Fisher, F. S., Mehnert, H. H., Naeser, C. W., Luedke, R. G., Steven, T. A. (1976) Multiple ages of mid-Tertiary mineralization and alteration in the western San Juan Mountains, Colorado. Economic Geology, 71 (3) 571-588 doi:10.2113/gsecongeo.71.3.571 | Journal (article/letter/editorial) |
| nandAlteration in the WesternSanJuanMountains,Colorado PETERW. LIPMAN, FREDERICKS. FISHER, HARALDH. ][VIEHNERT...Needle ß Lo Plato Mrs ß ¸Durango • >• • ß COLORADO 37 ø NEW MEXICO 0 0 /I 25 25 50 MILES 50...Engineer '.'Red Mountoln ",",//• • \\ II // mine p¾ ¸ IO 20 KILOMETRES FIC.:2. Generalized...ore Camp Birdveinore Camp Bird replacement ore Idarado replacement ore IDA-136 Crosscutting rhyolite...fission-track sericite sample from the Ute-Ulay mine, and we study of apatitescould definefossilisothermsin |
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| Minerals and Mining Histoty at the Eagle Mine Gilman District, Colorado JACK A. MURPHY Department of Earth...Museum of Nature & Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @dmns.org I...is the curat, & Science. His most recent artic Colorado Gemstone Localities” was coauthored by Peter J...exhibit in the museum’s Coors Mineral Hall. The Eagle mine had long been known for its fine crystallized mineral...National Mining Hall of Fame & Museum in Leadville, Colorado, where a glittering walkthrough crystal-lined |
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| andReplacement Deposits,Northwestern SanJuanMountains,Colorado J. THOMASNASH Abstract Base and preciousmetal...However,the majority of inclusionsfrom base metal and gold stages are in a relatively narrow range near 280ø...(Mayor and Fisher, 1972). The Colorado (Fig. 1). The greatestproductionhas Idarado and Camp Bird mines (Fig...Productionfrom theseveins Most samples are from the Idarado mine and were exceeds$300 million (Burbankand Luedke...detailedstudiesunder1448 FLUID INCLUSION way by the Idarado Mining Companyand Frederick S. Fisher, U.S. GeologicalSurvey |
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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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| alex@aibmr.com CHAPTER PRESIDENTS (ALSO BOARD MEMBERS) COLORADO CHAPTER: Mark Jacobson; markivanjacobson@gmail...FRIENDS OF MINERALOGY 2014 FALL MEETING Denver, Colorado September 12, 2014 The meeting was called to order...Minerals of Colorado. Mark Jacobson presented a summary of the activities of the Colorado Chapter, and...I would roam Central Park thinking we had found gold impregnated into some incredibly hard rock that...PhD, who patiently explained that we hadn’t found gold, but one of thousands of mineral specimens found |
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| Geology Vol. 72, 1977, pp. 1285-1320 Sunnyside Mine,EurekaMiningDistrict,SanJuanCounty, Colorado'Geochemistry...Eureka mining district, San Juan County, Colorado, produces700 tons/day of gold-silver-copper-lead-zinc-cadmium...halcopyrite-bornite-hema- rite ores(40%); (IV) gold-telluride-quartz ores (1-2%); (V) manganese ores...geologicaland •09 o MONTROSE iO =1 'IsUN NYs IDE MINE __ <[I •-•:1 Ii iI •I -- •' • •U•AN•O COLa...southwesternColorado showing location of the Sunnyside mine and calderas of the San Juan volcanicfield. (Modified |
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| CLASSIC COLORADO PORTFOLIO MINERALS: BARBARA L . MUNTYAN 6978 Mapiti Court Boulder, Colorado 80301 COLORADO...COLORADO IS ONE OF THE MOST HIGHL Y MINERALIZED states in the Union. Not only is it known for the variety...found in Colorado occur in extraordinarily large and beautiful crystals. Some of the best Colorado specimens...rather common species from a number of famous Colorado locales. There were literally dozens of other...Shares of Colorado. Figure 1 (left): Hematite after siderite, quartz, Lake George, Park County, Colorado |
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| southwest Colorado on the San Juan Skyway Scenic Byway between the towns of Silverton and Ouray, is visited...prospectors quickly flowed into the district, with Ouray and Silverton vying to be the main 402 ROCKS &... entry point to the district. A toll road from Ouray, the famous “Million Dollar Highway,” was built...historic and well-known narrow-gauge railroads in Colorado. It was also built by Mears and carried the nickname... Beverly Rich is San Juan County treasures chairman of the San Juan County Historical Society, and a |
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| Mineral Shows 1 3 5 BARITE, FLUORITE & TAR Emilio Mine, Caravia, Spain. Fluorite cubes to 14mm. 68x52x29mm...QUARTZ, Erongo, Namibia. 68x67x37mm. £38 6 NATIVE GOLD Gympie, Queensland, Australia. 37x23x28mm. £235...47x33x33mm. £135 maliastr 2 CASSITERITE Pendarves Mine, Camborne, Cornwall. Crystal pockets on both sides...£46 15 SYLVANITE Cresson Mine, Cripple Creek. Colorado, USA. Rare+. Gold-silver telluride. 59x38x33mm...59x38x33mm. £45 16 NATIVE GOLD in QUARTZ Idarado Mine, Ouray, Colorado, USA. 40x40x32mm. £48 19 DIOPTASE Mt |
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| Tourist as well. All of the 19 Rock Forma tions at Ouray, dating from the Pre-Cambrian to the Cenozoic Eras...1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many historic photographs...Survey, Tom Rosemeyer, Chief Engineer, Camp Bird Mine and Miss Margaret B. Allen, M.A. of Orange, New...Introduction to Mineral Collecting at Ouray................ The Minerals at Ouray............................................................................... Gold................................................ |
 | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) |
| Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE,T. A. STEVEN,M....Antonito COLORADO NEW MEXICO L 0 100 KILOMETERS Fro. 1. Index map of southxvestern Colorado, showing...igneouscenter of latest Cretaceousage near Ouray, Colorado, and from the EoceneTelluride ConglomerateFormation...Tertiary volcanicrocks northeastof Telluride, Colorado. A few disseminated depositsof the "porphyrycopper"...typically complexveins containingvariable mixtures of gold, million of ore, three-fourths of which has come |
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| BARBARA L. MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of...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 |
Idarado Mine, Ouray County, Colorado, USA