 | Manalo, P. C., Dimalanta, C. B., Villaplaza, B. R. B., Brown, W. W., Yumul, G. P. (2017) Magnetic Exploration of Structurally Controlled Mineralization at Low Latitudes: A Case from the Masara Gold District, Mindanao, Philippines. Economic Geology, 112 (7) 1807-1817 doi:10.5382/econgeo.2017.4530 | Journal (article/letter/editorial) | | Latitudes: A Case from the Masara Gold District, Mindanao, Philippines P. C. Manalo,1,* C. B. Dimalanta,1,† B....Sciences, University of the Philippines, Diliman, Quezon City, Philippines 2 Apex Mining Company Inc...Inc., Ortigas Center, Pasig City, Philippines Abstract Magnetic data transformations are applied to the...from the Masara gold district in the southern Philippines to enhance features related to a porphyry copper...from the Maco gold mine in Masara, Compostela Valley, eastern Mindanao, Philippines (Fig. 2A), and explore |  | | Journal (article/letter/editorial) | | Characteristics of Intrusive Rocks, Southeastern Mindanao, Philippines: Implication to Metallogenesis of Porphyry...Geosciences Bureau Region IV, Department of Environment and Natural Resources, Iloilo, Philippines Abstract This...porphyry copper deposits in south-eastern Mindanao, the Philippines, where the Kingking deposit is located...areas in south-eastern Mindanao, including Batoto, Bukal, Maragusan, Masara, Amacan and Sumlog, are hornblende...Keywords: diorite, intrusive rocks, Kingking, Mindanao, Philippines, porphyry Cu-Au deposit. 1. Introduction |  | Maglambayan, Victor B., Montes, Sj, Hipol, Katherine, Mamitag, Maireen, Pineda, Rikki Pamela, Rodolfo, Raymond, Oliveros, Noel, Sy, Antonio (2005) Carlin-type Gold Prospects in Surigao del Norte, Mindanao Island, Philippines: Their Geology and Mineralization Potential. Resource Geology, 55 (3) 145-154 doi:10.1111/j.1751-3928.2005.tb00237.x | Journal (article/letter/editorial) | | Carlin-type Gold Prospects in Surigao del Norte, Mindanao Island, Philippines: Their Geology and Mineralization...Sciences, University of the Philippines, Diliman, Quezon City, Philippines [e-mail: maglambayan@yahoo...maglambayan@yahoo.com] * Philex Gold Philippines Inc., Pasig City, Philippines Received on May 2, 2005; accepted on July...Philex Gold Philippines Inc. in Taganaan municipality, Surigao del Norte province in Mindanao island in...in the Philippines. They occur along a 20-25 km long trend of known epigenetic gold and porphyry copper |  | Villaplaza, Barbie Ross B., Buena, Alfred Elmer, Pacle, Nichole Anthony D., Payot, Betchaida D., Gabo-Ratio, Jillian Aira S., Ramos, Noelynna T., Dimalanta, Carla B., Faustino-Eslava, Decibel V., Queaño, Karlo L., Yumul, Graciano P., Yonezu, Kotaro (2017) Alteration and lithogeochemistry in the Masara gold District, Eastern Mindanao, Philippines, as tools for exploration targeting. Ore Geology Reviews, 91. 530-540 doi:10.1016/j.oregeorev.2017.09.004 | Journal (article/letter/editorial) | | lithogeochemistry in the Masara Gold District, Eastern Mindanao, Philippines, as tools for exploration targeting Barbie...lithogeochemistry in the Masara Gold District, Eastern Mindanao, Philippines, as tools for exploration targeting, Ore...lithogeochemistry in the Masara Gold District, Eastern Mindanao, Philippines, as tools for exploration targeting Barbie...Science, University of the Philippines, Diliman, Quezon City, PHILIPPINES b Economic Geology Laboratory...Management, University of the Philippines, Los Baños, Laguna, PHILIPPINES d Apex Mining Company, Inc |  | 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...deposits in the Surigao district of northeast Mindanao, Philippines. Exhumation and weathering of these Late...–5.7 per mil. At the latitude of the southern Philippines, this value corresponds to Pleistocene rain water...copper. In contrast, higher hypogene pyrite/chalcopyrite ratios (2.3) at Bayugo led to greater acid production |  | 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...one of the most Cu-Au enriched areas in the Philippines, which develops Late- 5 Oligocene to Pleistocene...crystallization 43 1. Introduction 44 The Philippines have been well known for the world-class Cu-Au |  | | 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...4 veins consist of massive bornite-chalcopyrite and chalcopyrite-pyrite with K-feldspar halos. Stage...illite alteration, in association with pyrite, chalcopyrite, and tetrahedrite-tennantite, developed in narrow |  | | 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...chlorite and K-feldspar (Fig. 2). Copper occurs as chalcopyrite and is accompanied by pyrite to give a py:cp |  | | 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...however, high-silica granites or rhyolites in this region have not been noted thus far. Exploration Guides...8, Domains Deposit Description Deposits of chalcopyrite, or sphalerite and galena in limestone altered... 4, 12 Deposit Description Massive pyrite, chalcopyrite, and sphalerite in or near pillow basalt and |  | | 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 |  | | 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 |  | | 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 (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) | | 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 |
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