 | | Journal (article/letter/editorial) | | 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms of sheer volume...Kalgoorlie, Western Australia, and Cripple Creek, Colorado. Although on opposite sides of the globe, they...they have striking similarities in their mining history and mineralogy, but their geology is seemingly quite...ROCKS & MINERALS the Golden Circle mine at Sorrento and the Cline mine at Hancock, Maine, and from a vaguely...vaguely described locality near Monroe, Fairfield County, Connecticut. A compilation of telluride mineral |  | | Journal (article/letter/editorial) | | 02:13 13 March 2015 CALAVERITE Cripple Creek, Colorado W ith the exception of native gold and electrum...Cripple Creek district, essentially subsequent to the development of all other Colorado gold districts...suggested for this issue, much of which is devoted to Colorado minerals. Calaverite is a yellowish to silver-white...associated altaite, a lead telluride. Analyses of calaverite from the Kirkland Lake district, Ontario,...accompanied by a variety of other tellurides such as altaite, coloradoite, krennerite, rickardite, and sylvanite; |  | | Report (issue) | | Tenacity: Brittle. Hardness = 2.5ā3 VHN = 197ā213 (100 g load). D(meas.) = 9.10ā9.40 D(calc.) = 9.31 Optical...0703(3) X-ray Powder Pattern: Cripple Creek, Colorado, USA. 3.02 (10), 2.09 (8), 2.20 (4), 2.93 (3), 1...Total 100.30 99.75 100.00 (1) Cripple Creek, Colorado, USA. (2) Kalgoorlie, Australia. (3) AuTe2 . Polymorphism...mediumand high-temperature deposits. Association: Altaite, coloradoite, krennerite, rickardite, other tellurides...the USA, in California, at the Stanislaus [TL], Morgan, and Melones mines, Carson Hill district, Calaveras |  | | Journal (article/letter/editorial) | | goldāsilver prospect, Fiji: conditions of ore deposition P. G. Spry and N. L. Scherbarth Department of Geological...Atmospheric Sciences, Iowa State University, Ames, Iowa, USA Received October 23, 2005; revised version accepted...in the Stuckslager gold deposit, Coloma district, California. Roscoelite and vanadium muscovite, are...respectively (Heinrich and Levinson, 1955) and 172 P. G. Spry and N. L. Scherbarth by roscoelite exhibiting...Creek deposit, Colorado (Jensen and Barton, 2000), Boulder County deposits, Colorado (Lindgren, 1907; |  | | Journal (article/letter/editorial) | | gold-telluride deposit, Fiji Andrew P. Fornadel, Paul G. Spry, Simon E. Jackson PII: DOI: Reference: S0169-1368(19)30219-7...gold-telluride deposit, Fiji Andrew P. Fornadela,b, Paul G. Sprya,*, Simon E. Jacksonc aDepartment of Geological...50011-3212, USA bShimadzu Scientific Instruments, 7102 Riverwood Drive, Columbia, MD 21046, USA cGeological...Drive, Iowa State University, Ames, Iowa 50011-3212, USA E-mail address: pgspry@iastate.edu (P.G. Spry) Keywords:...gold-silver telluride deposits in Colorado (Cripple Creek, Boulder County, and La Plata) with Emperor, and the narrow |  | | Journal (article/letter/editorial) | | 2006; # Springer-Verlag 2006 Editorial handling: P. G. Spry Summary Several magmatic-hydrothermal systems...Hessite, stā¬utzite, sylvanite, petzite, coloradoite, altaite, unnamed Ag-sulfotelluride, native tellurium and...2003; Cripple Creek, Colorado, Thompson et al., 1985; La Plata County, Colorado, Saunders and May, 1986;...1986; Boulder County, Colorado, Saunders, 1988, 1991; Golden Sunlight, Montana, Spry et al., 1997; Spry...intermediate sulfidation deposits in the Baguio District, Philippines (Cooke and McPhail, 2001), Golden |  | | Journal (issue) | | p a c if ic COAST HIGHWAY Gold-Nevado Co. California Hours: Tues-Sar. 10-5 Sunday 12-5 [evenings by...Institution Pete J. Dunn Smithsonian Institution Peter G. Embrey British Museum (Nat. Hist.) Richard C. Erd...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatās new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ............................................... |  | Fornadel, Andrew P., Spry, Paul G., Haghnegahdar, Mojhgan A., Schauble, Edwin A., Jackson, Simon E., Mills, Stuart J. (2017) Stable Te isotope fractionation in tellurium-bearing minerals from precious metal hydrothermal ore deposits. Geochimica et Cosmochimica Acta, 202. 215-230 doi:10.1016/j.gca.2016.12.025 | Journal (article/letter/editorial) | | hydrothermal ore deposits Andrew P. Fornadel, Paul G. Spry, Mojhgan A. Haghnegahdar, Edwin A. Schauble...hydrothermal ore deposits Andrew P. Fornadela,b, Paul G. Sprya*, Mojhgan A. Haghnegahdarc, Edwin A. Schaublec...Drive, Columbia, MD 21046, U.S.A. c University of California, Los Angeles, Dept. of Earth, Planetary, and...tellurates, respectively (e.g., Otto Mountain, California; Housely et 15 al., 2011), Te is commonly found...e., 150-400Ā° C) and minerals from the same ore district can 33 show disparate Ī“130/125Te values. Furthermore |  | Yin, Chao, Liu, Jiajun, Carranza, Emmanuel John M., Zhai, Degao, Guo, Yuncheng (2019) Mineralogical constraints on the genesis of the Dahu quartz vein-style Au-Mo deposit, Xiaoqinling gold district, China: Implications for phase relationships and physicochemical conditions. Ore Geology Reviews, 113. 103107 doi:10.1016/j.oregeorev.2019.103107 | Journal (article/letter/editorial) | | quartz vein-style AuMo deposit, Xiaoqinling gold district, China: Implications for phase relationships and...Dahu Au-Mo deposit, with an average grade of 6.8 g/t for 38 tons Au, and an average grade of 0.24% for...carbonate-barite. The telluride minerals are mainly altaite, tellurobismuthite, and tetradymite, and to a minor...2012; Jian et al., 2015) and the Xiaoqinling gold district (compiled from Li et al., 2011; Zhou et al., 2014)...vein-style Au deposit (Li et al., 2002), and monazite LA-ICP-MS U-Pb ages of 124 to 119 Ma for the Qinnan |  | | Journal (article/letter/editorial) | | deposit, disĀ covered in 1985, is located in Chongli County, northern Hebei Province, about 160 km northĀ west...minĀ eralized veins have been discovered in the mine, but only five attain economic concentrations. These...FIG. 2. Simplified geological map of the Dongping mine. relationships: Stage I is white quartz-K-feldspar-pyrite...telluride minerals, including calaverite, tellurium, altaite, and tellurobismuthite, are developed in Stage...coarse-grained alteration is developed extenĀ sively in the mine. The second stage is bronzecolored and occurs along |  | | Journal (article/letter/editorial) | | Epithermal Au-Ag-Te Mineralization, Acupan, Baguio District, Philippines: Numerical Simulations of Mineral...inclusion and mineralogical studies of the Acupan gold mine, a large gold-silver-tellurium-bearing low-sulfidation...similar to those observed in shallow levels of the mine and in deep-level, late-stage barren vein fill....from adularia-carbonate vein assemblages in deep mine levels to sericite-bearing assemblages in shallow...from condensation of magmatically derived H2Te(g) and Te2(g) into deep-level chloride waters. The minor |  | Ronacher, E., Richards, J. P., Reed, M. H., Bray, C. J., Spooner, E. T. C., Adams, P. D. (2004) Characteristics and Evolution of the Hydrothermal Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea. Economic Geology, 99 (5) 843-867 doi:10.2113/gsecongeo.99.5.843 | Journal (article/letter/editorial) | | Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado 80401. **Present address: Placer...the start of production in 1990 and June 2001, the mine is a significant gold producer in the southwest...to 113 million tons (Mt) of ore at a grade of 3.5 g/t. The total contained gold at Porgera is thus ~20...high-grade domain referred to as zone VII, up to 1,000 g/t Au occurred in quartz-roscoelite breccias; this...5-2.5 g/t 2.5-3.5 g/t >10 g/t FIG. 2. Schematic north-south cross section through the Porgera mine, showing |  | Cooke, David R., McPhail, Derry C., Bloom, Mark S. (1996) Epithermal gold mineralization, Acupan, Baguio District, Philippines; geology, mineralization, alteration, and the thermochemical environment of ore deposition. Economic Geology, 91 (2) 243-272 doi:10.2113/gsecongeo.91.2.243 | Journal (article/letter/editorial) | | epithermal veinsystem formedat 0.65 Ma at Acupan,Baguio district, Philippines, duringa periodof highK magmatism...Baseline Road, alteration Suite 202, Boulder, Colorado 80303. Baguiodistrict(Aokiet al., 1993).In this...oneof several centralandsouthern sections of the mine(Fig. 2). It is the epithermal deposits in the B...workings hasrevealed thatalgoldveinsin theBaguio district areflanked to thoughepithermal veinstransect the..., 1993).Thisis similarto theagedetermined for district(Cooke,1990,1991).The primitiveearlyto middle Miocene |  | | Book | | of many people, including colleagues, teachers, mining company and museum staff, but mostly that of research...their material, as are NASA, The British Museum La (Natural History), The National Museum SociĆ©tĆ©...and only small batches of resin are made (50-100 g), as some resins have a strong exothermic reaction...iron and copper used during mining and milling, are introduced into mine concentrates and mill products...Coarse grain mount, plane polarized light, x55, air la Pyrrhotite, chalcopyrite, magnetite and pentlandite |  | | Journal (article/letter/editorial) | | Kochbulak Deposit (Uzbekistan) V. A. Kovalenker*, Yu. G. Safonov*, V. B. Naumov**, and V. L. Rusinov* * Institute...with rich (bonanza) ores: Boulder County, Golden Sunlight, and Bessie G (United States). The Kochbulak goldātelluride...belt (Arapov, 1983). The unique Muruntau gold district lies in the western branch of this belt. The Kurama...Almalyk ore district and epithermal gold and uranium deposits of the Angren ore district. The geological...recovered from boreholes contain about 3 g/t, and locally up to 8ā10 g/t of gold. Alunite occurs as sodicāpotassic |  | | Journal (volume) | | DECEMBER 1913 Mining and 429 MARKET STREET Scientific Press SAN FRANCISCO, CALIFORNIA^ 1'^ h i* zcv...Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, Editorial. Accident...Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper California Accidents...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity...Tramway, one-rope Tramway, Saline Valley Salt Co., California . . . . . . Aerolites Africa, copper In |  | | Journal (issue) | | FEDERATION OF MINERALOGICAL SOCIETIES Offlcet'I Mrs. G .E. Lee. President (NFMS) 704 S.W. 31st St., Pendleton...(MFMGS) 26120 Rouge Court Southfield. Ml 48075 CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES Officer...Correspondence and requests for information to the California Federation shoulo be addressed to: Mrs. Juanlta...Gemac Corporation. 1797 Capri Ave.. Mentone. California 92359. SUBSCRIPTION RATES: $5 50 per year $10...MAILING OFFI CES. FIELD TRIPS The Renwick Uranium Mine by Gilbert A. Penny ......... ā¢ ........ ā¢ .... |  | | Journal (issue) | | each Rhodium Finish 3 for $10.74 18x13mm No. 35-37-G $4.20 each Gold Electroplate 3 for $10.74 Prices...111 Callfor11la 4959 YORK BLVD. 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