| | 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...Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths of...other tellurides such as altaite, coloradoite, krennerite, rickardite, and sylvanite; other commonly associated | | | 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:...for located samples of sylvanite ((AuAg)2Te4), krennerite ((Au,Ag)Te2), and native tellurium from the alkaline | | | Report (issue) | Tenacity: Brittle. Hardness = 2.5–3 VHN = 197–213 (100 g load). D(meas.) = 9.10–9.40 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...Polymorphism & Series: Dimorphous with krennerite. Occurrence: Typically in veins in low-temperature hydrothermal...deposits. Association: Altaite, coloradoite, krennerite, rickardite, other tellurides, pyrite, arsenopyrite | | 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...Te(-II) (Au,Ag)Te2 minerals (i.e., calaverite, krennerite) and (Au,Ag)2Te 9 minerals (i.e., petzite,...tellurates, respectively (e.g., Otto Mountain, California; Housely et 15 al., 2011), Te is commonly found | | | Journal (issue) | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President “Pick & Pack” Vol...understand the waves of new science--evolution, mining, M. McCalmont environmental change, population...to Colorado and the Four Corners region. Photo of a relief model. Credit: M. McCalmont COLORADO SPRINGS...SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 March 2021 CSMS Pick & Pack...10 10 AM - 3 PM Family Day at Western Museum of Mining and Industry (WMMI). Geology - themed activities | | | Report (issue) | Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES...along the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...along the Animas River._____ Localities in the La Plata quadrangle __ Collections from the Rico formation_____...its tributaries..__________ Localities in the La Plata quadrangle __ Interpretation of the Rico collections | | | Journal (article/letter/editorial) | gold–silver 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 (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 What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ............................................... | | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). | | | Report (issue) | CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES, California-Federal Eldg.,... Rm. 7638,300 N. Los Angeles St. MENLO PARK, California-Bldg. 3 (Stop 533), Rm. 3128. 345 Middlefield... Rm. 8105,125 South State St. SAN FRANCISCO, California-Customhouse, Rm. 504,555 Battery St. SPOKANE...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By ED DEWITT, JON P. THORSON | | 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 | | 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...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... this area is defined as the Xiaoqinling gold district (Fig. 1c). The gold-bearing quartz veins are concentrated | | | Report (issue) | Version 3.4 1 February 1994 BIBLIOGRAPHY Abbott, J. G., Gordey, S. P., and Tempelman-Kluit, D. J., 1986...the northern Cordillera: Canadian Institute of Mining and Metallurgy Special Volume 37. p. 1-18. Adair...metamorphosed hydrothermal system at Pine Canyon. Piute County, Utah. U.S.A. [abs.]: Mineralogical Society (London)...Ague, J. J., and Brimhall. G. H., 1987, Granites of the batholiths of California: products of local assimilation...Geology, v. 15, p. 63-66. Ague, J. J., and Brimhall, G. H., 1988, Magmatic arc asymmetry and distribution | | | Catalog/List | d>anu> ^IVefCenS^Minerats Mineral Dealer <£ Mine Agent Barn Cottage, Lower Boscaswell, Pendeen, Nr...£5-50. 'Z ‘_ 2£x2x1", £4.25. ALMANDINE. Broken Hill Mine,New South Wales.Australia. Very largei ,matrixfree... 2-Jx2xJ", £14.00. 10. ANGLESITE. Broken Hill Mine,New South Wales.Australia, Several large,creamy... Very rich for this mine. 1-Jx1^x1",, £20.00. 11. ANGLESITE. Bunker Hill Mine,Kellogg,Idaho,U.S.A....fragment. 1£x1x1", £12.00. 12. ANGLESITE. Touissit Mine,Nr.Oujda,Morocco. Two very different but equally | | | 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 (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 gold–telluride...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 8−10 g/t of gold. Alunite occurs as sodic–potassic |
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Bessie G Mine, La Plata Mining District, La Plata County, Colorado, USA