 | | 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...at la Virreyna* In tha center of the district, around Caudalosa, lead sulfantiiaonldas are the commonest |  | | Journal (article/letter/editorial) | | Copiapo, Chile Costrovirroyna, Peru 8 12 1 15 Randsburg, Calif. Chile, Peru Identified stylotypite Accepted...work, also by Stevanovic, on "Stylotypite" from Peru, is given in Analyses C,D,E, and F, Table 2. This...Copiapo, Chile, Stevanovic, analyst. Caudalosa, Costrovirroyna, Peru, Stevanovic, analyst. C with 10.84/6...measurements (not given) on "stylotypite from Caudalosa." However, he mentions that all the crystal faces...measurements by Stevanovic on material from the Caudalosa mine, Costrovirroyna, Perul this was later shown |  | | Book | | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...no. for Quespisiza, Chile, read Quespisiza, 3, Peru. 354 and r on the upper faces, and and the face...5, for Black Forest read Odenwald. for Rhine Province read Westphalia. for in the Tirol read, Salzburg |  | | Book | | deposits, can only be considered to some extent. Mining selects, if possible, deposits which are not complicated...S. Australia W. F . H A E D E R L E , La Oroya, Peru H. D. HOLLAND, Princeton, N . J . H . E. K A P P...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...peculiar bornite occurrences in the Ookiep area, Cape Province, are on one hand typical transition deposits;...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border |  | | Book (edition) | | For the Student of Elementary Mineralogy, the Mining Engineer, the Geologist, the Prospector, the Collector...gives the indices 221 for the face. To deter 192. mine, by plotting, the axial ratio of an orthorhombic...mean between them. The various methods of deter- mining the values of these three principal indices of... PART IV. DESCRIPTIVE MINERALOGY It is the province of De506. Scope of Descriptive Mineralogy. scriptive...Bahia, etc. region was that near Diamantina in the province of Minas Geraes; The discovery of diamonds in |
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