 | | 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) | | have been studying the sedimentary deposits in the area of the Latvian SSR by means of systematic lithogeochemical... Inasmuch as the deposits mentioned within the area of the Latvian republic lie close to the atmospheric...ratios for sedimentary deposits constitute a kind of area of embryonic ore indications (47). Under favorable...419E,C RIGA C TEES H 553555 • Liepaja 3 I Madona Elgava. Bauska Daugavpils I D2ovpr Valka 5-...lower salinity Ventspils #0)1;01/4 Ryan' RIGA Madona Elgava. Li epaja :13aalska •■• Daugavpils |  | Francis, Carl A., Felch, Myles, Falster, Alexander U., Bailey, Douglas A. (2016) Aquamarine from Stoneham and Vicinity, Oxford County, Maine. Rocks & Minerals, 91 (1) 28-35 doi:10.1080/00357529.2016.1099131 | Journal (article/letter/editorial) | | found by another farmer elsewhere in the Stoneham area. He wrote, “In color and material, this is the finest...have been discovered and developed in the Stoneham area since 1881 providing feldspar and mica for industry...this article we examine the mineralogy of Stoneham-area pegmatites, particularly the important Aldrich quarry...northwest of Portland, Maine. The pegmatitebearing area under discussion is bounded on the west by the New...minerals of twenty pegmatite quarries in the Stoneham area and those of surrounding towns compiled from mindat |  | | 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 (article/letter/editorial) | | Abitibi Subprovince Lucie Mathieua,*, Baptiste Madona, Michael A. Hamiltonb a Centre d'études sur les...the Abitibi Subprovince (Figure 1), Chibougamau area, that may be related to polymetallic (IRGS?) mineralization...thickest package of volcanic rocks in the Chibougamau area belongs to the ca. >2730 Ma to ~2716 Ma Roy Group...events are recognized to have affected the study area over this period. The main event is D2, which is...Muscocho-Nord’ Au prospect consists of disseminated pyrite and quartz veinlets observed in a granodiorite |  | | Journal (article/letter/editorial) | | John Dutrizac a, Valery Gertsman b a CANMET, Mining and Mineral Sciences Laboratories, 555 Booth Street...(Rancourt et al., 2001), acid mine drainage precipitates (Carlson et al., 2002), mine tailings (Langmuir et al...ferric arsenate-like materials represent. Because mine wastes and impacted soils are highly heterogeneous...arsenates are significant arsenic carriers in some gold mine tailings (Paktunc et al., 2004). These limitations...As in common arsenical compounds and minerals in mining and metallurgical wastes in order to better assess |  | | 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...(Okanogan, Chelan and Skagit) and outcrops over an area of some 310 square kilometres. Unlike most of the...an intensive investigation of the Washington Pass area; more specifically, a narrow five kilometre zone...the species. The interest in the minerals of the area has led to the identification and characterisation |  | | 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 |  | | Book (edition) | | Soda Ixiii Lithia Ammonia Of the Alkalies as mine The Metals Of the comparative ages .w a. stituents...one of the latter description, it is found in a mine called Huei Spamon, near Redruth, (which is situated...substances, which weighed 1333 lbs. was raised from that mine. Cobalt is much employed in the arts. It is brought...being one of the most ancient metals. The mines of Peru and Mexico furnish annually ten times more silver...Europe united. According to Helms, the mine of Jauricocha, in Peru, which is about three miles above the |  | | 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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