 | | Journal (article/letter/editorial) | | Silver-Rich Polymetallic Veins of the Castrovirreyna District, Central Peru: Fault Growth and Mineralization...undulatory silver veins of the Castrovirreyna district, central Peru, formed in a dilatant, anastamosing...those at Castrovirreyna. For example, there are anastamosing faults and veins in the Creede district, Colorado...Colorada district, Mexico, is highly curved (Albinson, 1988); and veins of the Fresnillo district, Mexico...between faults and are important for exploration and mining of vein-type ore deposits. Bends and other irregularities |  | | Report (issue) | | OF THE CASTRDVIRHSYNA LEAD-ZINC-SILVER DEPOSITS, PERU By Richard Wheatley Lewis, Jr. U. S. Geologic-1...nomenclature. ABSTRACT The Castrovirroyna mining district lies in the Andean Cordillera of South Central...Supervene silver ores vere first mined. Currently the district produces about 20,000 tons of laad*sinc ore and...and 50OO tons of silver ore annually* The district: Is underlain by Tertiary andesitlc rocks interbedded...vestermaost veins at la Virreyna* In tha center of the district, around Caudalosa, lead sulfantiiaonldas are the |  | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil............................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e c....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Book | | 2 . P')76m Purser, W I' C 198T- , • Metal-mining in Peru, put and present 1by1 W. F . C. Purser. New...NIOUro.. Peru. . l. Tltle- TN~9.P8T. . -· ' • 18,50 '18-182'81 Metal-Mining in Peru, Past and...social, and political development. Metal-Mining in Peru, Past and Present -a :'O > m C) m ::D...of the mines of Peru. Part~ of the book sketches the background of Peru and its mining history. The mines...divided into five chapters for the five mining areas of Peru. Part III is concerned with the economic |  | | Journal (article/letter/editorial) | | cm, Sunshine no. 1 adit, Blanchard mine, Bingham, Hansonburg district, Socorro County, New Mexico. Catalogue...Chrysoberyl, variety alexandrite, 5.1 × 3.8 cm, Malyshevo mine, Ekaterinburg, Sverdlovskaya Oblast', Middle Urals...2014 Figure 3. “Popcorn” calcite, 8.9 × 11.4 cm, Bisbee, Warren district, Mule Mountains, Cochise County...Goethite, aka “Darth Vader,” 15.2 × 14.0 cm, Sherwood mine, Mineral Hills, Menominee Iron Range, Iron County...Cubanite sixling, 3.8 × 3.2 cm, Henderson No. 2 mine, Chibougamau, Nord-du-Québec, Québec, Canada. Catalogue |  | | Journal (article/letter/editorial) | | Tom Rosemeyer’s article on Michigan’s St. Louis mine, his twentieth in the series. This series dates...spectacular 15.5-inch rose quartz specimen, La Madona Rosa, from Lavra Berilo Branco, Sapucaia do Norte...mail, and phone. Bigger is better! “This yellow calcite is about the size of a Volkswagon! Crystals are...information—typically the labels give no more than province. Another reality is the incredibly limited number...in the show, especially from China. Fluorite, calcite, and quartz are everywhere . . . arsenopyrite, |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...museum-quality Tourmalines, including the 2nd largest Sapo Mine “shaving brush” and an exceptional Elbaite on Feldspar...there is another Rose Quartz, smaller than the “Madona Rosa”, but just as choice. There are rare minerals...Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA Named by the Romans for the area of Scotland beyond |  | | Catalog/List | | Design District Annex 1518 Slocum Street • Dallas, TX 75207 Heritage Auctions Design District Annex 1518...department. It will be held in the Dallas Design district at 1518 Slocum Street on June 2, 2013. The auction...few highlights of this session include: • The Madona Rosa – the most imposing Rose Quartz specimen ever...after LAUMONTITE with APOPHYLLITE Mumbai District (Bombay District), Maharashtra, India Three minerals makeup...com/5110 87003 CYANOTRICHITE Grandview (Last Chance) Mine, Grand Canyon, Coconino Co., Arizona, USA Fuzzy |  | | Journal (volume) | | mountains forming part of the Lesotho border. This area is accepted as the "Alps of South Africa". No snow...time. Add us to your list as a visit when in this area - add your numbers to the 650 people who have been...in sedimentary rock with crystals, among which calcite and quartz are commonest. Other not uncommon are...hexagonal pyramids projecting toward the centre. Calcite or dolomite crystals line the interior of some...both. Quartz is the commonest of these minerals, calcite is second in abundance, while dolomite and even |  | Petersen, Jassin, Barras, Christine, Bézos, Antoine, La, Carole, Slomp, Caroline P., Meysman, Filip J.R., Mouret, Aurélia, Jorissen, Frans J. (2019) Mn/Ca ratios of Ammonia tepida as a proxy for seasonal coastal hypoxia. Chemical Geology, 518. 55-66 doi:10.1016/j.chemgeo.2019.04.002 | Journal (article/letter/editorial) | | manganese incorporated in benthic foraminiferal calcite could be a suitable proxy for marine benthic hypoxia...anoxic BWO concentration, which is also the sampling area of the present study (Fig. 1). Lake Grevelingen...Here we measured the elemental composition of calcite tests of A. tepida (size fraction 150-315 µm, 0-0...contamination from the AC surface of the test into the calcite Mn/Ca signal is avoided by the data treatment of...elemental composition of single chambers of the calcite tests using LAICP-MS, i.e., an ArF excimer laser |  | | Report (issue) | | CLARK, Mining Geologist California Division of Mines and Geology and PHILIP A. LYDON, Mining Geologist...location of Calaveras County Map of the Angels Camp district showing geology and lode mines Sketch map of the...._ West Point-Railroad Flat-Glencoe of the district, — of the Carson Hill Figure 7. Cross section...9. Cross section of Royal gold mine Map Figure 11. 38 46 area Figure Figure 10. 36 showing...mines map 10 34 48 Hill 48 Hill Gwin gold mine 58 68 of portions of the workings of the Gold |  | | Book | | regional study is prefaced by an over-all survey of the area, in which special attention is devoted to the physical...however, hardly affect the treatment of the particular area, but may touch only on the emphasis in its economic...pro¬ duction are not sufficiently available. The area of the USSR discussed in this book is contained...limits of the country as of the end of 1950. This area includes Southern Sakhalin and the Kurile Islands...the framework of the book were the 1947 election district data supplied by John V. Grauman, of the American |  | | Journal (issue) | | papen: Articles dealing with research results in any area of sedimentary geology. • Perspectil'es: Articles...backshore regime. with a well-developed dune and Study Area.-Research was conducted on Waterside Beach. New...zones. The black box in the top profile delincs the area of the beach sho"'n in Figure 6. The locations or...areas (Fig. 3) ■ = sample from gravel-dominated area (Fig. 3) • = sample of offshore sediments (seaward...n,. L.M J.L., 1961. &.>dimcntallon in tidal flat area): Alhl:rta Sooctv of Petroleum Geologists. Journal |
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Madona Mine, Madona area, Castrovirreyna mining district, Castrovirreyna District, Castrovirreyna Province, Huancavelica, Peru