 | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side |  | | Catalog/List | | western states. Colorado and Nevada were his favorites because of their mining and coin minting history....the university, Kevin delved into mineralogy and mining history, and began to update his mineral collection...country as well as exploring scores of abandoned mining towns from California to New Mexico to Montana...mineral history of Nevada and in particular, the towns of the Hwy 95 mining district from Rhyolite to Goldfield...wire silver growing atop calcite crystals with acanthite. This represents one of the most attractive examples |  | | Journal (article/letter/editorial) | | exceptionally sharp 4.2-cm acanthite paramorph after argentite from the Rayes mine, Guanajuato, Mexico. Francis...1878); the Baker quarry near Billmeyer, Lancaster County, Pennsylvania, where it occurs as an alteration...Hill occurrence in Davidson County, and the McMakin mine in Cabarrus County (Genth 1891); and mines of...of the Virgilina district, Halifax County, Virginia (Dietrich 1990). The great silver occurrences of the...abundant acanthite. Many mines of the Colorado mineral belt contained important amounts of acanthite, although |  | | Journal (issue) | | Mineralogy lv|ineralogical RccorcT publisher John S. White Smithsonian Institution (USPS 887-700) editor...Rosenzweig Tampa, Florida Richard W. Thomssen Reno, Nevada photography Nelly Bariand Paris, France Wemer Lieber... Famous mineral localities: the Home Sweet Home mine ............................................................. 398 circulation manager Mary tynn White Departments designed by Wendell E. Wilson Mineralogical...quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by |  | | Journal (article/letter/editorial) | | at 07:53 01 January 2015 Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain...clearly the most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information...Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified locality in Chester County, Pennsylvania;...Pennsylvania; the Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with tetrahedrite;...occurrences of Sevier County and with tetrahedrite and galena in Montgomery County, Arkansas. Fine bournonite |  | | Journal (article/letter/editorial) | | 11 October 2014 A Historical Overview of t h e District and the Smuggler Union and Associated Mines and...history have called Leadville the quintessential mining camp of the frontier. If that is true-and it probably...Telluride was the scene of many encounters that the mining frontier had with its own destiny. From its struggle...here, too, the goals of frontier precious-metal mining shifted in midtwentieth century as the quest for...125 years of mining, are still capable of inspiring wonder at the inventiveness of the mining men and road |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...also base metals. Silver occurs as argentite (or acanthite) and arsenic- or antimony-bearing sulphosalts...the Mexican epithermal deposits argentite (and acanthite) and the ruby silvers are always deposited later...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic...carbonatization fringing the veins. At Tayoltita, San Dimas district (Fig. 1), volcanic rocks and an intercalated conglomerate |  | | Journal (article/letter/editorial) | | 20:52 13 January 2015 Mineralogy of the Eldorado Mine YA N K E E B O Y B A S I N , O U R AY C O U N T...the name, as almost every major mining camp had a vein, claim, or mine with that name. This article details...history, geology, and mineralogy of the Eldorado mine in the San Juan Mountains of southwestern Colorado...not bring wealth to its many owners. The Eldorado mine is located about 8.6 miles southwest of Ouray, Colorado...Yankee Boy Basin in the Sneffels mining district. The portal to the mine is at an elevation of 11,600 feet |  | | Journal (article/letter/editorial) | | noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...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...the Eagle mine’s (Gil304 ROCKS & MINERALS man district) production. This does not mean that copper has...chimneys are limited to the Red Mountain district in Ouray County. Figure 2. Colorado mineral belt (COMB) |  | | Journal (article/letter/editorial) | | tetrahedrite and half tennantite, as demonstrated by White (1972). These specimens present the collector with...dilemma—how do you label them? Former curator John S. White solved that problem for the Smithsonian collection...name but a few, pyrite, chalcopyrite, galena, acanthite, sternbergite, enargite, bornite, covellite, calcite...tennantite crystals from the Champion lode, Clear Creek County, Colorado. Dave Bunk specimen, Jeff Scovil photo...tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico. Cal and |  | | Report (issue) | | Uncompahgre-San Juan caldera complex and the associated Silverton caldera, a set of coalesced and nested calderas...calderas that extends from Lake City to Silverton. The main stage of caldera-forming eruptions ceased at about...caldera complex, just to the northeast of the Silverton caldera. Rocks exposed within the study area consist...ore deposits within the Galena and Mineral Point mining districts south of the American Flats Wilderness...WILDERNESS STUDY AREA TOPOGRAPHIC WALL OF THE SILVERTON CALDERA ANDIES PEAK WILDERNESS STUDY AREA CARSON |  | | Report (issue) | | zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City...during the eighteenth century, were the first to mine in the San Juans. One of the earliest recorded expeditions...Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 Facing...000 men to Baker's Park (now the location of Silverton, Howardsville, and Eureka). Unfortunately, the |  | | Journal (issue) | | KHURSHEED DINSHAW NEVADA PATENT MINE 34 United States’ only active azurite mine. STUART “TATE” WILSON...VOYNICK ROCK SHOPS OF DISTINCTION 60 Part II: Mining supplies and rock shop Field Notes .............Azuritecredit) with Malachite,. (photo Milpillas Mine, Mexico : ARKENSTONE specimen now in the Jeff Kremer...of Tiffany Stone are no longer available from the mine at Delta Utah, even though the beryl content is... Mexican miners working underground at Ojuela mine circa 1908. Note safety equipment of the day. IMAGE |  | | Report (issue) | | OF THE INTERIOR GEOLOGICAL SURVEY The Gladiator Mine, Lake City, Colorado: The mineralogy and paragenesis...................................... Geology and mine workings..........................................Lake Mining district.............................. Generalized geologic map of the Gladiator Mine Lake...profile showing the three working levels of Gladiator Mine............................................. Diagram...paragenesis of vein minerals occurring in the Gladiator Mine............................ Overlay sketch of hand |  | | Report (issue) | | Replacement Deposits Part II Gold in the Tintic Mining District, Utah By HALT. MORRIS Gold Deposits in the...Bird Mining Districts, San Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District...R. SHAWE Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...Tintic Mining District, Utah / by Hal T. Morris. Gold in the Sneffels-Telluride and Camp Bird mining districts |  | | Report (issue) | | Paragenesis of the Pride of America Mine, Lake City, Hinsdale County, Colorado by Richard F. Sanford........... Geology of the mine area..................................... Mine workings and production history...PARAGENESIS OF THE PRIDE OF AMERICA MINE, LAKE CITY, HINSDALE COUNTY, COLORADO By Richard F. Sanford,...and Hugh O'Brien ABSTRACT The Pride of America Mine exposes two classic fissure-type veins in the Eureka...small mine in the Galena District principally produced Ag, which occurs in freibergite, acanthite, and |  | | Journal (issue) | | 2020 CAPTIVATED BY CREEDE Evolution of a Silver-Mining Boomtown METAMORPHIC INDEX MINERALS ROCK & GEM...ROCKNGEM.COM VOL. 50 NO. 06 • JUNE 2020 10 SILVER MINING SURVIVOR Creede Colorado Navigates Economic Transition...20 SOUTHWEST SUMMER Exploring San Juan Mountain Mining History 50 FIELD TRIP FOCUS Making Memories and...Serras-Herman REGULAR COLUMNS Witness to Morocco’s Modern Mining Rush Field Notes ...............................about the Polka Dot Mine in Central Oregon, information about connecting with the mine via Facebook was |  | | Report (volume) | | location and means of access to all the metallic mining districts in the State, as well as a large number...documented summary of the beginning of Colorado mining history. Part of his summary is given here in the...had been recently found in the Tenmile district, Summit County. In his booklet, which today would be classed...however, because it contains lists of the mines and mining districts that were active at the time in Clear...only reports the early history and status of the mining industry, but includes a list of all the species |  | | Journal (article/letter/editorial) | | Geography, Auburn University, Auburn, AL 36849, USA; E-Mail: saundja@auburn.edu; Tel.: +1-334-844-4884...sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized...the banded bonanza veins typical of many western USA epithermal deposits. Chalcopyrite is the most abundant...of these Tertiary banded bonanza ores in western USA (Figure 1) reveal some universal features in these...the bonanza low-sulfidation Sleeper deposit in Nevada supported the concept that gold (and silica) colloids |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...Weissman, and Sugar White copyright © 2004 unless otherwise noted Map of Mining Districts and significant...significant mineral occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured |  | | Journal (article/letter/editorial) | | Rhodochrosite occurs in significant amounts in many mining districts of the Colorado mineral belt, a large...southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since the...Sweet Home mine, the 1 1. Urad mine, Clear Creek County 1. Sweet Home mine, Park County Climax mine, the Eagle...Eagle 12. Moose mine, Gilpin County 2. Sunnyside mine, San Juan County mine in Gilman, and var13. Julia...Julia Fiske mine, Leadville, Lake County 3. Mountain Monarch mine, Ouray County 14. John Reed mine, Lake County |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Scovil, Storm Sears, Jeffrey Weissman, and Sugar White copyright © 2004 unless o therwise noted Map of...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...the “famous locality” series: the Home Sweet Home mine and Mount Antero. A fine mineralogical study of...you belong to, and where you come from. American mining schools and professional organizations have long...Mineralogical Record pins is a gold goniometer with a small white stone inset into the center. At present there are... centering on some of the nostalgic aspects of mining in Arizona and beautifully illustrated with paintings |  | | Journal (article/letter/editorial) | | late discovery of the phenomenal Cripple Creek district, essentially subsequent to the development of...Colorado minerals. Calaverite is a yellowish to silver-white, metallic mineral that is most often seen in small...Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths of...1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs rarely...Vindicator mine, Haralson County, and the Consolidated and Singleton mines of the Dahlonega district, Lumpkin |
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