 | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded |  | | Journal (article/letter/editorial) | | Microminerals in the Creede Mining District The Amethyst, Commodore No. 5 Mineral County, Colorado Unless otherwise...Mountain Mines C reede is located in southwestern Colorado on the edge of the San Juan Mountains just south...the Creede district was at the Holy Moses mine high above East Willow Creek, but the district did not prosper...Commodore mine perched on the mountainside. The Amethyst mine is north of the Commodore mine, and most...1935, the mine has not had any sustained production. On the other hand, the Commodore mine, which also |  | | Journal (article/letter/editorial) | | TRIPr U. S. Geological Survey, D e n v e r , Colorado, U S A Electron-microprobe analyses and mineragraphic...of 331 gold grains from Pennsylvania Mountain, Colorado, shows no systematic correlation of grain size...one mineralization event took place. Pyrite and acanthite inclusions less than 0.05 mm in the largest dimension...331 GoldkSrnern aus den Pennsylvania Mountain, Colorado, zeigen keine systematische Korrelation der KorngrSl3en...nicht typisch ftir die in dem westlichen Teil der USA iibliche Gold-Quarz-Pyrit Assoziation. Introduction |  | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...Alaska-Rm. 101, 4230 University Dr. • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg...Amethyst Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY, CRAIG...of the San Juan volcanic field of southwestern Colorado and its bearing on the economic potential of the...Amethyst vein system, San Juan Mountains, Mineral County, Colorado / by Nora K. Foley . . . [et al.]. p. cm. |  | | Journal (article/letter/editorial) | | Zoningof the BulldogMountainVein System,Creede District, Colorado GEOFFREY S. PLUMI U.S.GeologicalSurvey,Box25046... The BulldogMountainveinsystem,Creededistrict,Colorado,isoneof fourmajorepithermal vein systems fromwhichthe...atternsacross the central and southern Creede district. The complexvariationsin mineralassemblages documentedin...OH; seefig. 1, FoleyandAyuso,1994) in the Creede district from which the bulk of the dis- trict's hist...along other vein systemsin the southern Creede district. Previous studies Previousstudiesof the Bul |  | | 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) | | pegmatites of the CusterKeystone area, to the Homestake gold mine in Lead, to golden barite-bearing concretions...deformation, but the main granite mass, the Harney Peak Granite, and its related pegmatites represent some...ide Co. Pennington Co. RAPID 'CITY MINES 1. Homestake 2. Bob Ingersoll 3. Don Patch 4. Etta 5. Hugo...staking of the original Homestake claim in April of 1876. The Homestake mine has since grown to be the...the largest gold mine in the western hemisphere. The Homestake mine has not only produced many gold specimens; |  | | Journal (article/letter/editorial) | | The last Wild West Silver Mining Camp in Colorado T he Creede mining district, located at a lofty elevation...and rugged San Juan Mountains of southwestern Colorado. Although silver was discovered in the area in...Amethyst, Last Chance, Commodore, and Bachelor. The mining encampment grew from a small settlement to a town...assortment of Wild West characters who gravitated to mining boom towns. In 1890 the settlement was unofficially...into one of the last notorious Wild West silver mining camps that brought fortune to some and financial |  | | Journal (issue) | | . ..... 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ........... ......... .... ..... 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona .................................. 531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................. .....Wilson & E. Jones Fluorite from the Oatman District, Mohave County, Arizona ............. .... ..... 569 M...M. Hay & D. Morris The Bagdad Mine, Yavapai County, Arizona ............. .......................... |  | | Journal (article/letter/editorial) | | secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues...FiridofGt~rnSphultirite ut IIIP Bulinut Zinc Mine, St. Luwrence County, tditor of NPW b r k ” unrl iipptwwl...and additions. Mlneral Index by Counties Brule County Elm Creek, IS mi. S. of Chamberlain, near junction |  | | Journal (issue) | | Find your OwnAgate Collecting around Kremmling Colorado Morocco - The Country, The People and...Agates...Mindat.org Agates and Associated Minerals of Creede Colorado By Philip Persson PerssonRareMinerals.com Mindat...Copyrights Reserved 2014 - Printed in Denver, Colorado IDA CHAU’S JOURNAL FROM THE 3RD MINDAT INTERNATIONAL...part of a “Lava Cap” agate from Deming, New Mexico (USA) c – globular aggregate of iron oxide within the... Fig. 8 Sedimentary Dryhead agate from Montana (USA); the close up shows a violet fluorite cube, which |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | 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... 6 mm across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3...near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side along |  | | 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...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Journal (article/letter/editorial) | | S. Geological Survey, Federal Center, Denver, Colorado, U.S.A. With 10 Figures Received July 15, 1986;...electrum; the sulfides acanthite, argentite (the latter always inverted to acanthite), and members of the...andorite, diaphorite, and polybasite. Electrum, acanthite, and argentian tetrahedrite are common, though...invariably accompanies gold and is a coproduct of gold mining. In spite of its low price, coproduct silver is...FRACTURES .~R GRABEN \ MARGIN OF CALDERA COMPLEX A MINE 0 I 10 t 20 I KM Fig. 2. Main silicified zones |  | | Journal (issue) | | Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection; Jeff Scovil...cover: (above) Stock certificate for the Silver King Mining Company (1878) Dick Morris collection (below) Stock...Stock Certificate for The Total Wreck Mining & Milling Company (1881) Dick Morris collection This special... considering the historic importance of copper mining in Arizona, native copper would be the logical...deemed more appropriate (and more likely to gain mining industry support) to propose designating copper |  | | Report (issue) | | ... Mining districts........................................................ Hillsboro district...................................................... Mining history..........................................vein............................................ Homestake-Tripp vein............................................. Kingston district.................................................. Mining history..................... Black Colt mine.......................................... Comstock mine.................... |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | 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 |  | Castor, S. B., Boden, D. R., Henry, C. D., Cline, J. S., Hofstra, A. H., McIntosh, W. C., Tosdal, R. M., Wooden, J. P. (2003) The Tuscarora Au-Ag District: Eocene Volcanic-Hosted EpithermalDeposits in the Carlin Gold Region, Nevada. Economic Geology, 98 (2) 339-366 doi:10.2113/gsecongeo.98.2.339 | Journal (article/letter/editorial) | | Vol. 98, 2003, pp. 339–366 The Tuscarora Au-Ag District: Eocene Volcanic-Hosted Epithermal Deposits in...Survey, Denver Federal Center, Box 25046, Denver, Colorado 80225 WILLIAM C. MCINTOSH, New Mexico Bureau...Bureau of Geology, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 RICHARD M. TOSDAL... California 94025 Abstract The Tuscarora mining district contains the oldest and the only productive...productive Eocene epithermal deposits in Nevada. The district is a particularly clear example of association of |  | | Report (issue) | | 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...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 |
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