 | | Journal (article/letter/editorial) | | pp. 962-984 ORE CONTROLS IN THE MOROCOCHA R. H. DISTRICT, PERU • NAGELL CONTENTS PAGE Abstract...Eastern Morococha District ......................................... Western Morococha District ................. ABSTRACT The Morococha mining district, 70 miles east of Lima, Peru, is a source of copper...understandingof the complex structural history of the district during the Andean orogeny and the control exerted...shootsin veins are controlledby dilation of the vein walls, proximity to contacts of contrasting rock |  | Witt, W. K., Hagemann, S. G., Ojala, J., Laukamp, C., Vennemann, T., Villanes, C., Nykanen, V. (2014) Multiple methods for regional- to mine-scale targeting, Pataz gold field, northern Peru. Australian Journal of Earth Sciences, 61 (1) 43-58 doi:10.1080/08120099.2013.763859 | Journal (article/letter/editorial) | | mine-scale targeting, Pataz gold field, northern Peru a a b c d e W. K. Witt , S. G. Hagemann ,...Poderosa S.A., Av Primavera 834, Surco, Lima-33, Peru. f Geological Survey of Finland, PO Box 77, FI-96101...mine-scale targeting, Pataz gold field, northern Peru, Australian Journal of Earth Sciences: An International...mine-scale targeting, Pataz gold field, northern Peru W. K. WITT1*, S. G. HAGEMANN1, J. OJALA2, C. LAUKAMP3...Poderosa S.A., Av Primavera 834, Surco, Lima-33, Peru. 6 Geological Survey of Finland, PO Box 77, FI-96101 |  | | Book (edition) | | HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Elsevier...bireflectance. Left (top): The simple contact twin of arsenopyrite is inconspicuous under PPL, but reveals its...share their main crystallographic axes. Left: Arsenopyrite occasionally displays hour-glass structures...will develop. Right: Brecciated pyrite (creme) with vein-filling of chalcopyrite (yellow). 15 Fracturing...red-violet cruciform, star-like trillings Arsenopyrite Talnakhite strong, bluish to brownish grey |  | | Journal (article/letter/editorial) | | Tin-Polymetallic Mineralization in the Oruro Mining District, Central Bolivian Tin Belt Asahiko SUGAKI, Nobutaka...determinations were carried out on vein- and rock-forming minerals from five vein-type tin-polymetallic ore deposits...Oruro mining district in the central part of the Bolivian tin belt. The sericite from vein selvedges and...Oruro mining district took place during the early to middle Miocene: 15.8±0.8 Ma at San José, 20.1±1...McBride et al. (1983) presented several K-Ar ages on vein-selvedge muscovite, which clarified the mineralization |  | | Book (volume) | | V., Antonio Razo M., Luis C. A. Gutierrez N., Francisco Arellano G., and Jose Perezyera y Z. 95 i 9...173 15. Baja California Peninsula Metallogenic Province . 177 16. Summary of structural and stratigraphic...data on the Monterrey Formation outcrops of the San Hilario area, Baja California Sur . 179 Guillermo...deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan F. Wilson and Victor...195 18. Sierra Madre Occidental Metallogenic Province . Guillermo P. Salas 197 19. Cananea copper |  | | Report (issue) | | adjacent deposits, or a formally designated mining district. For some mining districts described in this report...individual deposits within the district are also given. This was done so that district-scale phenomena, such as...as zoning, could be described in the district record, whereas deposit specific data could be described...mines and mining claims. MINING DISTRICT/AREA Name of the mining district or geographical area to which...which the deposit belongs. 11 PROVINCE The Republic of Bolivia is divided into 9 departments, three of |  | | Report (issue) | | Gavilanes Tungsten District El Antimonio District Magdalena District Cananea District Preliminary Deposit-Type...or to a group of closely-spaced deposits. Two district records have been included (MX00018 and MX02161)...or names of individual orebodies. DISTRICT/AREA Informal district name used in the literature. Names...Magnetite Au-Ag-Te Vein Comstock Epithermal Vein Creede Epithermal Vein Sado Epithermal Vein Hot-Spring Au...Simple Sb Polymetallic Replacement Polymetallic Vein Podiform Chromite Serpentine-Hosted Asbestos Caroonate-Hosted |  | | Report (volume) | | Geology and Ore Deposits of the Philipsburg District Granite County, Montana By WILLIAM C. PRINZ GEOLOGICAL...Nation's only battery-grade manganese dioxide district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...part of the Philipsburg district. 2-6. Maps of part of the Philipsburg district, showing geology and mine...feet. 7. Geologic sections of the Philipsburg district. 8. Longitudinal section of the lower part of...of the Coyle ore body, Philipsburg district. Page FIGURE 1. Index map of part of western Montana _______________ |  | | Book (volume) | | stratigraphy and structure of the rocks of the district, sedimentary, igneous, and metamorphic; (3) the...roches sedimentaires, ignees et metamorphiques du district; (3) les caracteristiques des gisements en relation...p o s i t i o n in t h e P a n a s q u e i r a district (Beira Baixa, P o r t u g a l ) : Serv. G e o...east of Coimbra (N40°12 N, 8 ° 2 5 W ) in the province off Beira f Baixa and some 25 km slightly NofW...Rodrigo in Spain. It appears that mining in the district has been conducted for at least a century with |  | | Journal (volume) | | Nevada Mining at Bingham, Utah The Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Editorial Wm. Amalgamation of Copper Ore Pan Amalle District of California, The American Copper Spiral Pipe...E. California, Alluvial Mining In The Amalle District of 785, 818 The Ancient River Channels of 567 |  | | Report (issue) | | .................. ... ............ . ' 154 Arsenopyrite ........... ....... ...................................... .... ........................... . Vein structure ...... .. ............. .... ........................ 206 Former vertical extent of the vein ........................ .. ........ . .. ........ . . . . . . . . . . . . . . . . . . . 207 San Francisco mine........................ . ..... ... ...... . . . . . . . . . . . . . . . 210 Scratch Awl vein............ . . . . . . . . . . . . . . . . . . |  | | Journal (volume) | | LIBRARY. 2 4V S *Vfc, '»v BY Z>EWEY Sl CO. SAN FEANCISOO, SATURDAY, JANUARY Publishers. A of ...in the Eastern States have been VOLUME 1881. San Diego; 51° above; Sacramento, 50° above; Visalia...with ice. thermometer at zero. Here we are in San Francisco to-day (Thurswith a warm sunshine,, unclouded...about four a. m. here in San ment secures a combination of machines. The Francisco. On that day (29th), at...copper, lead, silver and gold, the latter being San Francisco, at the hour named, the thermomboth in quartz |  | | Journal (volume) | | Kennecott Mill, Alaska Kent Coalfields Kinta Kinta Tin District, Geoloev Herzig 189 !5l (p.t.) J. B. Scrivenor...Thurston, E. W. Ri I""' Report Report. . District Thomas. II- Power of Webber, Morton.. White...Telephone: 8938 London Wall. Branch Offices SAN FRANCISCO: MARKET STREET. 420 CHICAGO: MONADNOCK BUILDING...ohannesburg Variations Banded Ironstones 31 San Francisco Journeys 63 Major's Classifier Toronto New...the of any mine largest potentialities in the district. rated a good second. The North The South |
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