 | MAGLAMBAYAN, Victor B., ISHIYAMA, Daizo, MIZUTA, Toshio, IMAI, Akira, ISHIKAWA, Yohei (1998) Geology, Mineralogy, and Formation Environment of the Disseminated Gold-Silver Telluride Bulawan Deposit, Negros Occidental, Philippines. Resource Geology, 48 (2) 87-104 doi:10.1111/j.1751-3928.1998.tb00009.x | Journal (article/letter/editorial) | | Gold-Silver Telluride Bulawan Deposit, Negros Occidental, Philippines Victor B. MAGLAMBAYAN*, Daizo ISHIYAMA**...the porphyry copper belt of southwest Negros island, Philippines. Propylitic, K-feldspar, sericitic, and...in southwestern Negros island, 560 km south of Manila in the Republic of the Philippines. 1. Introduction...Bulawan gold-silver telluride deposit in Negros Occidental, Philippines, has characteristics which are similar...Sciences, University of the Philippines, Diliman, Quezon City, Philippines. [e-mail: maglamvb@hotmail |  | | Journal (article/letter/editorial) | | Short Communication rge_098 307..313 Origin of Bornite Pods in Intrusive Rocks at the Kingking Porphyry...Copper-gold Deposit, Southeastern Mindanao, Philippines Akira Imai,1 Leilanie Osano Suerte1,2 and Sho...Geosciences Bureau Region IV, Department of Environment and Natural Resources, Iloilo, Philippines Abstract At...Compostela Valley, south-eastern Mindanao, Philippines, bornite pods occur in the brecciated parts in the...are composed of bornite and chalcopyrite with traces of calaverite. The d34S of bornite and subordinate |  | | Journal (article/letter/editorial) | | Characteristics of Intrusive Rocks, Southeastern Mindanao, Philippines: Implication to Metallogenesis of Porphyry Copper-gold...Geosciences Bureau Region IV, Department of Environment and Natural Resources, Iloilo, Philippines Abstract This...copper deposits in south-eastern Mindanao, the Philippines, where the Kingking deposit is located. Intrusive...diorite, intrusive rocks, Kingking, Mindanao, Philippines, porphyry Cu-Au deposit. 1. Introduction As...the south-eastern portion of Mindanao Island, the Philippines. It has a total mineable ore reserve of |  | | Journal (article/letter/editorial) | | Vol. 64, 1969, pp. 644-666 Ore Depositsof the Philippines An Introduction Their Geology to 1 LEONID...BRYNER Abstract The geologic history of the Philippines pertinent to ore deposition covers the period...diversity of ore types than elsewherein the Philippines. At last eight porphyry copper depositsare known...either or- ganization. ORE DEPOSITS OF THE PHILIPPINES Contents PAGE Introduction .................. both in potentiallyimportantdepositsin the Philippines, are not included becauseI lack first-hand knowledgeof |  | 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) | | Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their...American Exploration (Philippines) Inc. 21 Outlook Drive Baguio City, Philippines 2600 Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Exhumation and weathering of these Late Pliocene-age...–5.7 per mil. At the latitude of the southern Philippines, this value corresponds to Pleistocene rain water...Table 1). The Boyongan porphyry Cu-Au deposit, Philippines, is a significant exception to this pattern. |  | Deng, Jianghong, Yang, Xiaoyong, Zhang, Li-peng, Duan, Liuan, Mastoi, Abdul Shakoor, Liu, He (2020) An overview on the origin of adakites/adakitic rocks and related porphyry Cu-Au mineralization, Northern Luzon, Philippines. Ore Geology Reviews, 124. 103610pp. doi:10.1016/j.oregeorev.2020.103610 | Journal (article/letter/editorial) | | porphyry CuAu mineralization, Northern Luzon, Philippines Jianghong Deng, Xiaoyong Yang, Li-peng Zhang...porphyry Cu-Au mineralization, Northern Luzon, Philippines, Ore Geology Reviews (2020), doi: https://doi...porphyry Cu-Au mineralization, Northern Luzon, Philippines Jianghong Deng1-4, Xiaoyong Yang4*, Li-peng...xyyang555@163.com; 1 Abstract 2 The Philippine island arc is famous for the widely developed large porphyry...one of the most Cu-Au enriched areas in the Philippines, which develops Late- 5 Oligocene to Pleistocene |  | | Journal (article/letter/editorial) | | Bayugo Porphyry Copper-Gold Deposit, Southern Philippines DAVID BRAXTON1,†,* AND RYAN MATHUR2 1 Anglo ...of the Bayugo porphyry copper-gold deposit (Philippines) show significant isotopic fractionation relative...Boyongan-Bayugo porphyry copper-gold district, Philippines. We examine the copper isotope geochemistry to...crust beneath the Philippines (Fig. 1, inset). To the west, collision of the Philippines with the Eurasia...respectively. East of the central and southern Philippines, the Philippine Sea plate is undergoing subduction |  | | Journal (article/letter/editorial) | | the Intermontane belt of British Columbia, the Philippines, Sulawesi, Papua New Guinea, Sabah and Puerto...occurrence of significant molybdenum values in some island arc porphyry coppers (Titley, 1978), it seems generally...generally to be true that deposits generated in island arcs tend to be richer in gold and poorer in molybdenum...deposits and examinations of deposits in the Philippines and Sabah, suggests that local factors related... although a few, such as Panguna, Bougainville Island, were substantially richer in gold. Here attention |  | | Journal (article/letter/editorial) | | Emerging Porphyry District in Northeast Mindanao, Philippines* David P. Braxton,1,2,†,** David R. Cooke,1,3...American Exploration (Philippines) Inc., 21 Outlook Drive, Baguio City 2600, Philippines Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Since their formation in the early Pleistocene...and biotite. Stage 4 veins consist of massive bornite-chalcopyrite and chalcopyrite-pyrite with K-feldspar... Introduction Located in the northeast of the island of Mindanao, Boyongan and Bayugo are two Cu-Au |  | | Report (issue) | | (McCue, 1980); free gold is associated mainly with bornite, partly with chalcopyrite and negligibly with pyrite...11.5 to 18.5 percent silver are associated with bornite-gangue grain boundaries at Granisle, B.C. and with...and inclusions of sylvanite and hessite occur in bornite at Dos Pobres, Arizona (Langton and Williams, 1982)...(1982) found a high correlation of gold grade with bornite content at Granisle, B.C. In some deposits such...Pakistan; Bajo de Alumbrera, Argentina; and Dizon, Philippines. This antipathetic relationship of gold and molybdenum |  | | Journal (article/letter/editorial) | | v. 106, pp. 1279–1315 Geology of the Didipio Region and Genesis of the Dinkidi Alkalic Porphyry Cu-Au...Deposit and Related Pegmatites, Northern Luzon, Philippines ROHAN C. WOLFE* AND DAVID R. COOKE† CODES ARC...Dinkidi Cu-Au porphyry deposit, northern Luzon, Philippines, formed at the tip of the southward-propagating...2 calc-potassic diopside-actinolite-K feldspar-bornite vein stockwork and a calc-potassic alteration assemblage...formation. Dinkidi is located in northern Luzon, Philippines (Fig. 1), and is associated with the late Oligocene |  | | Book | | 61 ， The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M Robertson and Rene...Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...Baguio and Lepanto-Mankayan districts in the Philippines, which commenced operation in the mid 1930rs...growing in Africa, the other great copper producing region, new sources o f copper were sought. As a consequence |  | | Journal (article/letter/editorial) | | been developed in the region of Baykalian folding in the western Mediterranean region. They are confined...of the Sredna Gora zone. a - Timok region; b - Panagyurishte region. 1 - Precambrian and Paleozoic; 2...The latter are located in the VirginiaMaryland region (Sulphur, Arminius, and Austin Run) and Eastern...the Paleozoic Sambagawa schists; and the Huelva province in Spain ( Rio Tinto). Cimmerian pyritic deposits...also the Franciscan association of California (Island Mountain). Alpine pyritic deposits of this same |  | Volkov, A. V., Savva, N. E., Sidorov, A. A., Egorov, V. N., Shapovalov, V. S., Prokof’ev, V. Yu., Kolova, E. E. (2006) Spatial distribution and formation conditions of Au-bearing porphyry Cu-Mo deposits in the Northeast of Russia. Geology of Ore Deposits, 48 (6) 448-472 doi:10.1134/s107570150606002x | Journal (article/letter/editorial) | | postaccretionary tectonic units superimposed on island-arc and oceanic terranes (Geodynamics…, 2006)....the nature of massive sulfide copper deposits in island arcs (Kovalev et al., 1993; Herbert and Constantine...River Pebble Copper Tampakan Atlas Chuquicamata Sipalay Location Gold reserves, t Au, g/t Cu, % 2480...50 0.55 0.50 Papua New Guinea United States Philippines Chile Papua New Guinea Indonesia Peru Papua New...Argentina Papua New Guinea Alaska Philippines ″ Chile Philippines numerous base-metal, gold–silver, |  | | Report (issue) | | other important copper ore minerals may include bornite and enargite. Ore minerals occur as disseminations...an assemblage of magnetite, chalcopyrite, and bornite in the porphyry deposit at Elatsite, Bulgaria....along convergent plate-margin boundaries or in island-arc environments. The deposits are associated with...less-IP-reactive clay minerals, chalcopyrite, and bornite. Spectral IP has been used to classify different...sulfides such as pyrite from chalcopyrite and bornite (Zonge and Wynn, 1975; Zonge and others, 2005) |  | Voudouris, Panagiotis, Melfos, Vasilios, Spry, Paul, Bindi, Luca, Moritz, Robert, Ortelli, Melissa, Kartal, Tamara (2013) Extremely Re-Rich Molybdenite from Porphyry Cu-Mo-Au Prospects in Northeastern Greece: Mode of Occurrence, Causes of Enrichment, and Implications for Gold Exploration. Minerals, 3 (2) 165-191 doi:10.3390/min3020165 | Journal (article/letter/editorial) | | An Os–Cu rheniite [(Re,Cu,Os,Fe)S2] occurs in bornite-rich ore in sandstone at Voronov Bor, Karelia,... Sardes, Limnos Island (up to 5200 g/t, average = 3785 g/t) and Fakos, Limnos Island (up to 2220 g/t...g/t, average = 1396 g/t) and Stypsi, Lesvos Island (up to 10,600 g/t, average = 2460 g/t), but these Re...prospect, Kilkis; Plaka deposit Lavrion; Serifos island) and shear zone-related Cu–Au–Bi–Mo mineralization...chlorite ± biotite ± epidote ± chalcopyrite ± bornite ± pyrite ± molybdenite, while D-type veins usually |  | | Book | | Chalcocite Gold Red/brown Pink/purple/violet Bornite, copper Bornite, copper Blue Tetrahedrite Green Yellow...their recognition by other features. Pyrite and bornite are especially susceptible to anomalous effects...within it. Samples which have been collected in a mine or open pit exhibit more abundant reflections as...(cont’d) Reflectance 420 nm M ineral max. Covellite Bornite Magnetite Ilmenite Graphite Wolframite Sphalerite...Mean Range Argentite Arsenopyrite Bismuthinite Bornite Boulangerite Cassiterite Chalcocite Chalcopyrite |  | 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...the Cordillera Central and southern Cordillera Occidental may well be rewarding. 4) Detailed study of...of the Cordillera Central. (5) The Cordillera Occidental, composed of late Mesozoic oceanic crust upon...Cordillera Central (continental) from the Cordillera Occidental (oceanic). This zone, in the subsurface, separates...Cordilleras Central and Occidental (Cauca-Patia Valley), the Cordillera Occidental and Serrania de Baudo |  | | Report (issue) | | reservation communities and for people who live in island territories under U.S. administration. _t-.i ...Availability curves Operating and capital costs Mine and mill operating costs Total production costs...developing, and explored deposits Total availability by region Annual availability U.S. availability Total production...explored deposits Total copper availability by major region Potential annual copper production from producing...deposits Potential annual copper production by major region Total copper availability from U.S. mines and deposits |  | | Book | | 1YPesetting: Overseas 1YPographers, Inc., Makati, Philippines 2132/3145-543210 - Printed on acid-free paper................... . Porphyry Copper Deposits in Island Arcs .. . The Panguna Porphyry Copper Deposit,............................ 1.5.3 The Baguio, Philippines and Thyoltita, Mexico Vein Systems ............Deposits ................ . 4.5.2 The Homestake Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform...Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and |  | | Book | | metalliferous region has been eroded affects its present characteristics as a minera1 province, because of...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...orogenic belts formed in evolutionarily primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere;...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...gradational into covellite, digenite, colusite and bornite-chalcopyrite veins. The wallrock alteration is |  | | Book | | metalliferous region has been eroded affects its present characteristics as a mineral province, because of...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...orogenic belts formed in evolutionarily primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere;...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...gradational into covellite, digenite, colusite and bornite-chalcopyrite veins. The wallrock alteration is |  | | 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 |  | | 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 (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 |
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