 | | Journal (article/letter/editorial) | | Emerging Porphyry District in Northeast Mindanao, Philippines* David P. Braxton,1,2,†,** David R. Cooke...American Exploration (Philippines) Inc., 21 Outlook Drive, Baguio City 2600, Philippines Abstract The Boyongan...prospects in the Surigao district of northeast Mindanao, Philippines. Since their formation in the early Pleistocene...Introduction Located in the northeast of the island of Mindanao, Boyongan and Bayugo are two Cu-Au porphyry mineral...historic Surigao Au district of the southern Philippines (Fig. 1). Recent mineral resource estimates for |  | | Journal (article/letter/editorial) | | the Intermontane belt of British Columbia, the Philippines, Sulawesi, Papua New Guinea, Sabah and Puerto...deposits and examinations of deposits in the Philippines and Sabah, suggests that local factors related...GALORECREEK,B.C. 12. AMACAN, " FISH LAKE, B.C. 13. MAMUT, Sabah SANTOTOMASIf, Philippines t4. PANGUNA,Bou(Jo(nvillels...Alumbrera in the Faral16n Negro district, Catamarca province, northwest Argentina, an oval dacite porphyry...alteration is dominated by biotite and anhydrite, and molybdenite occurs as a partially developed halo to the chalcopyrite-gold |  | | Book (volume) | | Mio-Pliocene Crustal Compression in the Southern Philippines Bruce D, Rohrlach and Robert R, Loucks ........existence o f a new uncon formity-vein style uranium province in the Proterozoic o f the Great Sandy Desert...porphyry mineralisation in two locations in Mindanao, Philippines. During the next 15 years on his many excursions...the largest deposits in any established porphyry province. For a discussion of the accepted terminology...and the similar aged Tampakan deposit in the Philippines (see Rohrlach and Loucks, also in this puiblication) |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | sampling and geophysical surveying throughout the region, begun. The geologic environment of the shield...percent of the deposits from the California-Oregon region in the United States contain 1,800 tonnes or more...mineralization. Two subtypes are known, one rich in molybdenite and pyrite, the other rich in gold and magnetite...Description Large-tonnage deposits of disseminated molybdenite, of low but fairly uniform grade, in porphyry...however, high-silica granites or rhyolites in this region have not been noted thus far. Exploration Guides |  | | Report (volume) | | and effective resource assessment of such a broad region required that grade-tonnage models be created for...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...Porphyro~ph~nitic-16 to 22 23 to 24 Chemic~ 1 sediments Region~! _ _ 5 to 10 11 to 12 { M~fic { ~rea Ph~nerocryst~lline-13...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |  | Menant, Armel, Jolivet, Laurent, Tuduri, Johann, Loiselet, Christelle, Bertrand, Guillaume, Guillou-Frottier, Laurent (2018) 3D subduction dynamics: A first-order parameter of the transition from copper- to gold-rich deposits in the eastern Mediterranean region. Ore Geology Reviews, 94. 118-135 doi:10.1016/j.oregeorev.2018.01.023 | Journal (article/letter/editorial) | | gold-rich deposits in the eastern Mediterranean region T ⁎ Armel Menanta, , Laurent Jolivetb, Johann...Dynamic metallogenic models Eastern Mediterranean region Kinematic reconstructions Cu- to Au-rich ore deposits...2005b; Jolivet et al., 2013). In addition, this region includes significant mining areas, comprising large...Synthetic tectonic map of the eastern Mediterranean region where are represented all metal occurrences considered...dundeeprecious.com), making the eastern Mediterranean region an important target for mineral exploration. To |  | | Book | | 447 467 491 Company Index 503 Tables: World Mine Production of Gold, Silver and Base Metals 5A2...Mining OFFICES: 5011 Meadowood Way Paradise Peak Mine Suite 300 (100% FMC Gold) * Sales Reno, Nevada...Elko, Nevada (303) 292-7500 Royal Mountain King Mine (100% FMC Gold) Copperopolis, California Beartrack...because Escondida, the world's third-largest copper mine, high in the mountains of Chile's Atacama desert...underground and opencast mining, oil and gas mining ® mine construction, development, modernization ® complete |  | | Report (issue) | | porphyry copper deposits in the Cascade geologic province. .... .j................. Estimates of metal endowment...the northern spotted owl in the Cascade geologic province (fig. 1) was assessed for tracts that are permissive...of the metal endowment of the Cascades geologic province entails three basic steps: (1) delineation of...porphyry copper deposits in the Cascade geologic province. Eight million metric tons of copper are present...44-51-20N 120-57-19W 47-29-40N Van Epps, Pickwick Mine 122-04-51W 121-46-OOW 47-09-40N 46-21-23N 121-18-22W |  | | Report (issue) | | el modelaje de yacimientos minerales. Los colegos del Geological Survey de Canada preceden el presente...demuestran conclusivamente que la mineralizacion del tipo Mississiippi Valley no se puede haber originado...esfuerzos tambien a otras quebradas. El enfasis de parte del U.S. Geological Survey en la sintesis de modelos...obra representan la culminacion del proceso iniciado en 1983 como parte del programa cooperative entre USGS-INGEOMINAS...procesos exhalativos submarines singeneticos y no del reemplazo epigenetico de las rocas sedimentarias |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |  | | Book (edition) | | • t --•- """"" ' 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 |  | | Book | | disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...(1955), a metallogenic province may be defined as a mineralized area or region containing mineral deposits...The size of a metallogenic province can be as large as the Superior Province (Canadian Shield) or as small...as the Upper Michigan Peninsula native copper province. Similarly, a metallogenic epoch can be as broad |  | | Book | | and depth of the coverage of various aspects of mine finance is a reflection of the care and attention...tee heatoP ReRAR ae Financial Evaluation of a Coal Mine Acquisition: A Case Study. MMB oetiCherandsW ep:...Beart csSeahoee Conta Ae ba a nc ee ee ae eee FOR MINE FINANCE O14 Conventional and Nonconventional Risks...Minimized During Construction of the Mt. Gunnison Mine. 9.1 So! 361 The Evolution of the Planning Process...Projects. T. Ulatowsk i 11.2 Basic Sources of Mine Financing. 517 D19 52 Da Mining Finance. H.D. |
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