 | | Book | | Gemstonesof Peru . TO ' ..J.O[_)(ON '\J./ITI1 KY Be-51 R~GAF-P5 f JaroslavHyrsl Gemstonesof...Gemstonesof Peru GRflnil © 2012 Text by Jaroslav Hyr~I © 2012 Photos by Jaroslav Hycll (166), Fidel Salinas...Uchucchacua, 5 cm high. Col/. and photo J Hyrsl. Turquoise earings, Moche period, diameter 10cm. © MUSEO...si/ver, 6. 7 cm. Col/. Z. Rosales. Photo J Hyrsl. Turquoise nose ornamentfrom the Moche period, 4.9cm wide...Rosales. Photo J Hyrsl. 2: Detail of a Moche turquoise pectoral, size 50 x 21 cm. © MUSEO LARCO in Lima |  | | Report (issue) | | copper-bearing mineral assemblages at the Lakeshore mine in Arizona, as follows: chalcocite zone, brochantite...solutions (Hartley and Rice, 2005). At the Lakeshore mine in Arizona, Cook (1988) found chrysocolla mineralization...underground or open-pit mining methods may be used to mine the skarn deposits. Sulfide ores are generally crushed...extract copper (Lynch and others, 1994). Volume of Mine Waste and Tailings Due to the low percentages of...of ore grade mined (Phillips and Niemuth, 1993). Mine Waste Characteristics Mineralogy: In addition to |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | (Ph) Tapian (Ph) Guinaoang (Ph) Kalamatan (Ph) Quellaveco (Pe) Marcopper (Ph) Dizon (Ph) Lobo-Boneng (Ph)...Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru, Ph = Philippines, PNG = Papua New Guinea. Minorco-Anglo...0361-0128/98/000/000-00 $6.00 336 Peru Cerro Verde-Santa Rosa 150 Cuajone 120 Quellaveco 80 Toquepala 150â350 La...pitch), rx = roxbyite, ten = tenorite, tur = turquoise, wad = copper wad References: 1) Aguilar et al...1972) and/or copper enrichment (e.g., Rio Blanco, Peru; Braun et al., 1999) can also develop in such environments |  | | Journal (issue) | | makes major capex investments in South Carolina gold mine and mill..........................................WORLD U.S. & Canada: Hecla Ramping Up Lucky Friday Mine to Full Production...........8 Latin America: Fruta...E&MJ to see the investments being made at the Haile mine and mill in South Carolina. On the cover, another...730E-10 is assembled at the laydown yard at the Haile mine. (Photo: OceanaGold) DEPARTMENTS Calendar.......note that in 2010, Nevada Copperâs Pumpkin Hollow mine was at the feasibility stage; Hecla was exploring |  | | Journal (issue) | | .................................... 48 Federal Mine Safety and Health Commission Matters..............Chifeng Jilong Calls Off Deal to Buy Bibiani Gold Mine......................................4 Brazilian...................4 Equinox Gold Sells Pilar Gold Mine...................................................... 13 Africa: Loulo-Gounkoto Third Underground Mine on Track to Begin Production..... 14 Asia: Alamos...from Chile will likely benefit copper miners in Peru and North America. This scenario, however, will |  | | Journal (issue) | | for metals empowers a mining-friendly Canadian Province...... 20 Where Infrastructure Meets Grade ...DEVELOPMENTS Dominion Diamond Mines Sells Ekati Mine to Arctic Canadian Diamond...........4 Vale Agrees...Receives Go Ahead for Western Worldâs Largest Graphite Mine..... 5 Anglo American Contributes to COVID Vaccine...(PGMs) and todayâs prized battery minerals. The province is a minSteve Fiscor ing-friendly jurisdiction...Glencore Canada website and watch the Building the Mine of the Future video series they recently posted |  | | Journal (article/letter/editorial) | | er 20° u CERRO VERDE SANTA ROSA (59-58) QUELLAVECO (55-53) CUAJONE (52) ANTOFAGASTA 18° Boli...drill-indicated copper in the Quebrada Turquesa rocks (the Turquoise Gulch or El Salvador deposit) that contain oxide...copper-bearing smectites from the Radomiro Tomic mine, Chile: Copper insoluble mineral occurrences: ECONOMIC...Zentilli, M., 2001, Geology of the Chuquicamata mine: A progress report: ECONOMIC GEOLOGY, v. 96, p. |  | Meffre, Sebastien, Large, Ross R., Steadman, Jeffrey A., Gregory, Daniel D., Stepanov, Aleksandr S., Kamenetsky, Vadim S., Ehrig, Kathy, Scott, Robert J. (2016) Multi-stage enrichment processes for large gold-bearing ore deposits. Ore Geology Reviews, 76. 268-279 doi:10.1016/j.oregeorev.2015.09.002 | Journal (article/letter/editorial) | | diffuse enrichment occurs within a particular province that is then upgraded by more focused processes...the stockworks are present at the Mt. Charlotte mine. CE P TE D MA A recent study has also highlighted...Paleozoic rocks in this area. AC The Carlin province in northeast Nevada is one of the largest gold-producing...exceeding 6,000 t (193 Moz, Emsbo et al., 2006). The province hosts numerous gold deposits ranging in age from...from other gold deposit types developed in the province (e.g. Fig. 5 and 6 ; Emsbo et al., 1999; Emsbo |  | | Journal (article/letter/editorial) | | Other giant deposits occur in Montana, Utah, Panama, Peru, Argentina, Irian Jaya, Mongolia, and Iran. Compressive...324 Province Northern Chile SW Arizona SW Arizona Mongolia Panama Northern Chile Northern Peru Southern...Southern Peru Iran Northern Chile SW Arizona Kazakhstan Northern Chile Uzbekistan SW Arizona Northern Chile...Chile NSW Bougainville Mongolia Indonesia Northern Peru PNG Central Chile Northern Chile Kamchatka Uzbekistan...1,400 1,380 1,200 12,066 884 631 855 Deposit Province Grasberg Bingham Kalâmakyr LepantoFar South East |  | | Journal (issue) | | Latin America: Lundin Will Expand Fruta del Norte Mine................................ 14 Australia/Oceania:...Africa: Resolute Sells Interest in Bibiani Gold Mine........................................ 16 Europe:...Mercedes mine in Mexico, and the Hasaga and Rahill-Bonanza properties in Red Lake, Ontario. Orion Mine Finance...oz/y of gold over the initial 14-year mine life. The Mercedes mine in Sonora, Mexico, adds approximately...low-cost, long-life gold mine with significant exploration upside and the Mercedes mine will bring an immediate |  | FernĂĄndez-Mort, A., Riquelme, R., Alonso-Zarza, A. M., Campos, E., Bissig, T., Mpodozis, C., Carretier, S., Herrera, C., Tapia, M., Pizarro, H., Muñoz, S. (2018) A genetic model based on evapoconcentration for sediment-hosted exotic-Cu mineralization in arid environments: the case of the El Tesoro Central copper deposit, Atacama Desert, Chile. Mineralium Deposita, 53 (6) 775-795 doi:10.1007/s00126-017-0780-2 | Journal (article/letter/editorial) | | paleoclimatic setting The El Tesoro Central copper mine is located in the Atacama Desert of northern Chile...(COCHILCO; www.cochilco.cl), the A 70ÂșW 69ÂșW Calama Peru Calama Basin Central Depression CMD Coastal Cordillera...exposed in and around the El Tesoro Central open-pit mine. The Tesoro gravels (~ 600 m thick) broadly comprise...in the El Tesoro Central open-pit mine was studied along the mine ramps, which are oblique to the dip...and sedimentology The El Tesoro Central open-pit mine exposes an approximately 240-m-thick, ~ 10° to 20° |  | | Journal (article/letter/editorial) | | soon progressed to shallow depth, resulting in a mine. The numbers of mines and intensity of ACCEPTED...colonialism, modern economic booms (Belich, 2009). Active mine numbers and sizes skyrocketed during two World Wars...rapidly growing number of mineral discoveries and mine establishment was partly driven by the discovery...of conquests and non-military acquisitions. But mine importance and fame did not necessarily correspond...obsolete (for example, recent reserves of a mature mine only, or IP past production for a period of time) |  | | Journal (issue) | | FILTRATION & THICKENING SCREENING ELECTRIC MINE â23 REVIEW MINE RESCUE HIGH PROFILE ASI Mining AHS; CiDRA... reports Paul Moore 21 ELECTRIC MINE 2023 REVIEW The onset of mine electrification is seeing unprecedented...its conservatism and competitiveness, The Electric Mine 2023 proved. Dan Gleeson reports 30 HIGH PROFILE...again at developments in screening technology 49 MINE RESCUE & SAFETY The uptake of automation and digitalisation...TION & THICKE NING SCREEN ING IC MIN E â23 RE VIEW MINE RE SCUE HIGH PR OF ILE ASI Min ELECTR ing AH S; |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...âSouth-westâïŒ and in northern Chile and southern PeruïŒand were Cu-Mo orebodies (Gilmour, et. a i , 1995)...in this publication) and in Chile, Argentina and Peru in South America (see Camus; Stem and Skewes; Brown;...E.J., 1982 â The segmented coastal batholith of Peru: its relatio n sh ip to volcanicity and metallogenesis: |  | | Book | | later Tertiary tectonics in the Basin and Range Province, and work on a number of individual mining districts...this volume. C > Âą Âą PREFACE The copper province of the Southwest manifests itself in a variety...vein and bed replacements typified in the Magma mine at Superior, Arizona, and the host of small basemetal...initionsâPrevious WorkâGeneral Setting of the Provinceâ Relation of Structure to Sedimentation and ErosionâIgneous...Descriptive Geology GEOLOGY OF THE NEW CORNELIA MINE, AJO, ARIZONA 128 . by D. W. Dixon, Phelps Dodge |  | | Journal (issue) | | Rear-Dump Euclids are standard equipment on hundreds of mine, quarry, and construction jobs. For moving rock...service your wire rope is capable of deliverin Many mine operators go on for years getting less than the...information on request. 1321 South Main Street MINE DEVELOPMENT & DIRECTORY Âź Dial 6-8555 NUMBER...operating in hard service, rock drills and other mine machinery, motor gearâheads, etc.; excellent air-âtool... with either medium or fine to bowl. Y-9 Mine & Smelter Supply Co. Denver 17, Colo. Mines Eng |  | | Book (edition) | | âą t --âą- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and...developing an annual ton of new copper capacity from mine through the refinery without intrastructure costs...fold in three years. As an example, the " Surface Mine Control and Reclamation Act,' ' which was initially...resources in the future.'' In 1977, a surface coal mine regulation that greatly restricts the areas of strip |  | | Report (issue) | | Tectonics, structure, and sedimentary framework of the Peru-Chile Trench. W. J. Schweller, L. D. Kulm, and R...northwest Peru and southwest Ecuador. Glenn L. Shepherd and Ralph Moberly Sedimentary basins of the Peru continental...Thornburg and L. D. Kulm Crustal structures of the Peru continental margin and adjacent Nazca plate, 9°S...III Crustal structure and tectonics of the central Peru continental margin and trench. L. D. Kulm, R. A...Johnson, and A. Masias Late Cenozoic carbonates on the Peru continental margin: Lithostratigraphy, biostratigraphy |
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