 | | Report (issue) | | Castrovirreyna district 186 Table IV Mine production and grade of ore, Carmen mine, 1941-1958 . 188 Table V...production, Caudalosa mine, 1927-1957 189 Table VI Mine production and grade of ore, Lira mine, 1941-1958 190...San Genaro mine, 1928-1955 191 Table VIII X-ray powder diffraction pattern of acanthite 197 Table...Spcctrographic analyses of pyrargyrite froa the San Genaro mine --«* -. - < 252 Table XXXIII Spectrographic analysis...San Genaro mine Plate 6. Composite vein map of the San Julifin section* San Genaro mine Plata 7. |  | | Catalog/List | | wire silver growing atop calcite crystals with acanthite. This represents one of the most attractive examples...of white calcite with sharp crystals of gray acanthite to the left. Situated in the middle is the “trunk”...Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly...years to find a specimen rhombs rhombs Climax Mine, ot rhodochrosite $50 OOU 60.000 Ex The ... 8 nn ae from the \ slight ¢ « nax 1g Mine : The Kevin Ward Mineral Exceptional German |  | | Journal (article/letter/editorial) | | AndahuaValley, a largeasymmetric Formation.Within the Calera mine, a thick sequence grabenthat boundsthe districton...vein showingprincipal mine workings.3800, 3880, 3950, 4015, and 4055 indicatemain mine levels,which repr...andsplitRamal1, respectively. ModifiedafterOrcopampa mine staff. Rocksrich in sericiteand The locationsof...splits alongA-A' in Figure 4. Numbersindicatemain mine levelsand horizontally ruledareasarestopes minedasofJuly...Galena •--• -- Chalcopyrite --• • - - .... Acanthite -- Boulangerite Pyrargyrite Miargyrite Polybasite |  | | Journal (article/letter/editorial) | | displacement of 1200 m near Las Torres mine and of 1700 m at the Valenciana Mine. The Veta Madre vein was discovered...diagenesis (e.g. Gifkins et al., 2005). Near El Cubo mine the Calderones formation includes thin (3–5 m thick)...55 ± 0.2 Ma, respectively. Close to the Peregrina mine (Fig. 3) a dacitic lava dome is exposed. This structure...area located south of the tail ponds of El Cubo mine by Báez-López (2014) are 33.0 ± 0.25 and 33.2 ±...of both the upper and middle ore horizons is acanthite (aguilarite) + adularia + pyrite + electrum + |  | | Journal (issue) | | fluorite crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection;...province, department of Huanuco Huanzala mine Mercedes mine Chiurucu mine Uchucchacua district, Dos de mayo...mayo province, department of Huanuco Hercules mine, Ticapampa district, Recuay and Aija provinces, department...Carrion province, department of Pasco Colquijirca mine, Cerro de Pasco province, department of Pasco Atacocha...Huarochiri province, department of Lima Santa Rita mine, Morochocha district, Yauli province, department |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought...amethyst, fluorapatite and tourmalines. Rossinguranium mine, a uraniferous granite, was also mentioned. Rick |  | | Journal (issue) | | crystals on matrix, 17.2 cm, from the N’Chwaning I mine, collected in 1978. Private collection and photographer...Show and Riverpark Inn Rhodochrosite, Sweet Home Mine, USA, 10 cm Photo: Malte Sickinger MARCUS BUDIL...budil-minerals.com Chrysocolla on Malachite Mashamba West Mine Democratic Republic of Congo 26 cm - Joe Budd Photo...mineral shows worldwide! Rhodochrosite - Sweet Home Mine, Colorado - 13cm | Brazilianite - Minas Gerais,...from the Hotazel mine emerged onto the international market. The N’Chwaning I mine, opened in 1972, yielded |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Michael P. Cooper Nottingham, England Thomas P....ecord Articles Rare sulfosalts from the Van Silver mine, British C olum bia...............................Balacko Famous mineral localities: The Brownley Hill mine, Alston Moor, Cumbria, England....................COVER: ATACAMITE in GYPSUM, 6.8 cm, from the Lily mine, lea, Peru. Irv Brown collection; Jeff Scovil photo...British Columbia the Silver Tunnel o f the Van Silver mine has produced hundreds o f rare and beautiful crystal |  | | Book | | . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc.... . . . . . . . . . . . . . . . . 279 Machcan Mine: A Pb-Zn Ore Deposit in Pucara Sediments of the... Contents Sulfur Isotope Studies in the Zinc-Lead Mine San Vicente, Central Peru H. Gorzawski, L. Fontbote... . . . . . . . . . . . . . . 413 The Agustina Mine, a Volcanic-Hosted Copper Deposit in Northern Chile.... . . . . . . . . . . . . 449 The Cerro Negro Mine, Chile: Manto-Type Copper Mineralization in a Volcaniclastic |  | | Report (issue) | | their importance in very acid waters such as some mine waters issuing from oxidizing ore deposits. Data...waters, including many types of ground waters, acid mine waters, riVer waters and lake waters that occur... 1989, Solubility product of jarosite from acid mine water at Iron Mountain, California, U.S.A.: Sciences...of polysulfides - Part II. The solubility of acanthite and covellite in sodium polysulfide solutions:...factors affecting the heavy metal chemistry of an acid mine system: Stanford University, Ph.D. Dissertation |  | | Report (volume) | | "Adaro" de Investigaciones Mineras S. A. Madrid, Spain. Rev. Geographie Montreal-La Revue de Geographie...Guayaguayare, in Caribbean Geol. Conf., 4th, Port-of-Spain, Trinidad and Tobago, 1965, Trans.: Arima, Trinidad...of the Milford Flat quadrangle and the Old Moscow Mine, Star District, Beaver County, Utah [abs.]: Dissert...in the Roberts Mountains Formation, Carlin gold mine, Eureka County, Nevada, in International geochemical...Puerto Rico, in Caribbean Geol. Conf., 4th, Port-of-Spain, Trinidad and Tobago, 1965, Trans.: Arima, Trinidad |
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