 | Arellano, Creszyl Joy J., Armada, Leo T., Dimalanta, Carla B., Queaño, Karlo L., Andal, Eric S., Yumul, Graciano P. (2021) Interpretation of ground magnetic data in Suyoc, Mankayan Mineral District, Philippines. Resource Geology, 71 (4) 363-376 doi:10.1111/rge.12270 | Journal (article/letter/editorial) | | ground magnetic data in Suyoc, Mankayan Mineral District, Philippines Creszyl Joy J. Arellano1 | Leo...Science, University of the Philippines - Diliman, Quezon City, Philippines 2 Department of Environmental...Quezon City, Philippines 3 Itogon-Suyoc Resources Inc., Suyoc, Mankayan, Benguet, Philippines Abstract...Ground magnetic surveys conducted in Suyoc, Mankayan, Benguet led to the delineation of features related...attributed to hydrothermally altered rock with quartz veins. The previously recognized porphyry copper |  | | Journal (article/letter/editorial) | | Lepanto Far Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines Akira IMAI Abstract: The Lepanto Far Southeast...enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists...rims stockwork of quartz-anhydrite veinlets. Fluid inclusions found in stockwork quartz and anhydrite in...500°C. The principal ore minerals associated with quartz-anhydrite stockworks are chalcopyrite and pyrite...Mineralization in the breccia pipe is brought by quartz-anhydrite veinlets and infilling in the interstices |  | Sajona, Fernando G., Izawa, Eiji, Motomura, Yoshinobu, Imai, Akira, Sakakibara, Hiroyuki, Watanabe, Koichiro (2002) Victoria Carbonate-Base Metal Gold Deposit and Its Significance in the Mankayan Mineral District, Luzon, Philippines. Resource Geology, 52 (4) 315-328 doi:10.1111/j.1751-3928.2002.tb00142.x | Journal (article/letter/editorial) | | 315–328, 2002 Victoria Carbonate-Base Metal Gold Deposit and Its Significance in the Mankayan Mineral District...District, Luzon, Philippines Fernando G. SAJONA, Eiji IZAWA*, Yoshinobu MOTOMURA**, Akira IMAI***, Hiroyuki...Bureau, North Avenue, Diliman, Quezon City, Philippines [e-mail: diksajona@hotmail.com] * Department...2002; accepted on January 15, 2003 Abstract: The Victoria gold deposit is a low-sulfidation style epithermal...discovered in 1995 in the Mankayan mineral district, northern Luzon, Philippines. It occurs just south of |  | | Journal (article/letter/editorial) | | of Porphyry Cu Deposits of the Western Luzon Arc, Philippines: K-Ar ages, SO3 Contents of Microphenocrystic...the following porphyry Cu deposits in the western Luzon arc are determined: Lobo-Boneng (10.5±0.4 Ma), Santo...associated with porphyry Cu deposits in the western Luzon arc contains sulfur as SO3 detectable by electron...magmatism of the western Luzon arc, from tonalitic rocks of the Luzon Central Cordillera of about 15 Ma to an...magmatism at Mount Pinatubo. Thus, the western Luzon arc has been generating porphyry Cu mineralization |  | Manalo, Pearlyn C., Imai, Akira, Subang, Leo L., de los Santos, Mervin C., Yanagi, Kyoka, Takahashi, Ryohei, Blamey, Nigel J.F. (2018) Mineralization of the Northwest Quartz-Pyrite-Gold Veins: Implications for Multiple Mineralization Events at Lepanto, Mankayan Mineral District, Northern Luzon, Philippines. Economic Geology, 113 (7) 1609-1626 doi:10.5382/econgeo.2018.4606 | Journal (article/letter/editorial) | | NORTHWEST QUARTZ-PYRITE-GOLD VEINS: IMPLICATIONS FOR MULTIPLE MINERALIZATION EVENTS AT LEPANTO, MANKAYAN MINERAL...MINERAL DISTRICT, NORTHERN LUZON, PHILIPPINES Pearlyn C. Manalo,1,† Akira Imai,1,2 Leo L. Subang,3 Mervin...Consolidated Mining Company, Makati City 1226, Philippines 4 Faculty of Engineering and Resource Sciences...Northwest quartz-pyrite-gold veins are situated 500 m east of the Lepanto fault in Mankayan, Luzon, Philippines...and gold-silver tellurides deposited with pyrite, quartz, and carbonate. Deposition of gold and silver tellurides |  | | Journal (article/letter/editorial) | | Copper and Gold and the Victoria Gold Deposits, Mankayan Mineral District, Philippines Rene Juna R. CLAVERIA...deposit and the Victoria gold deposit, Mankayan Mineral District, Northern Luzon, Philippines, is discussed...tellurides. The principal ore minerals of the Victoria gold deposit are sphalerite, galena, chalcopyrite...which in turn grades to propylitic alteration. The Victoria gold mineralization has undergone early stages...stages of silica supersaturation leading to quartz deposition. Vigorous boiling increased the pH of the fluids |  | | Journal (article/letter/editorial) | | ELEMENT GEOCHEMISTRY OF ENARGITE IN THE MANKAYAN DISTRICT, PHILIPPINES C. L. DEYELL†,1,*AND J. W. HEDENQUIST2...single ore system. Samples come from the Mankayan district, Philippines, which hosts the Lepanto high-sulfidation...orebody. Introduction The Mankayan mineral district of northern Luzon, Philippines, is one of the richest...mining districts in the Philippine archipelago. The region hosts several porphyry copper and epithermal precious...This study uses the same sample suite from the Mankayan district that was studied by Mancano and Campbell |  | Chang, Zhaoshan, Hedenquist, Jeffrey W., White, Noel C., Cooke, David R., Roach, Michael, Deyell, Cari L., Garcia, Joey, Gemmell, J. Bruce, McKnight, Stafford, Cuison, Ana Liza (2011) Exploration Tools for Linked Porphyry and Epithermal Deposits: Example from the Mankayan Intrusion-Centered Cu-Au District, Luzon, Philippines*. Economic Geology, 106 (8) 1365-1398 doi:10.2113/econgeo.106.8.1365 | Journal (article/letter/editorial) | | Deposits: Example from the Mankayan Intrusion-Centered Cu-Au District, Luzon, Philippines* ZHAOSHAN CHANG,1,†...Bldg., 8747 Paseo de Roxas, 1126, Makati City, Philippines and Metallurgy, School of Science and Engineering...Australia Abstract The Mankayan mineral district of northern Luzon, Philippines, hosts several significant...high sulfidation epithermal Cu-Au deposit, the Victoria intermediate sulfidation epithermal Au-Ag vein...the Imbanguila dacite formation and consists of quartz-alunite ± pyrophyllite or diaspore, with local |  | | Journal (article/letter/editorial) | | 40Ar/39Ar Geochronology of the Baguio District, Philippines PATRICK J. WATERS,1 DAVID R. COOKE,2,† RENE I...DAVID PHILLIPS3 1 Anglo American Exploration Philippines Inc., 1101 Pearlbank Centre Building, 146 Valero...Salcedo Village, Makati City, Metro Manila, Philippines 2 CODES, the Australian Research Council’s...district is located in the Central Cordillera of northern Luzon, Philippines. It contains numerous mineralized...Trench beneath northern Luzon produced a major batholith, the Central Cordillera Intrusive Complex, which |  | 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) | | related porphyry CuAu mineralization, Northern Luzon, Philippines Jianghong Deng, Xiaoyong Yang, Li-peng Zhang...related porphyry Cu-Au mineralization, Northern Luzon, Philippines, Ore Geology Reviews (2020), doi: https://doi...related porphyry Cu-Au mineralization, Northern Luzon, Philippines Jianghong Deng1-4, Xiaoyong Yang4*, Li-peng...rocks. Northern 4 Luzon is one of the most Cu-Au enriched areas in the Philippines, which develops Late-...epithermal Cu-Au deposits in the Central 6 Cordillera Range and southernmost of Cagayan Valley Basin |  | | Journal (article/letter/editorial) | | the Dizon Porphyry Cu-Au Deposit, Zambales, Philippines Akira IMAI* Department of Earth and Planetary...porphyry Cu-Au deposit in western central Luzon, Zambales, Philippines, is documented in terms of mineral paragenesis...summarized as follows; 1) stockwork amethystic quartz veinlets associated with chalcopyrite, bornite...alteration overprinting biotite alteration, 2) stockwork quartz veinlets with chalcopyrite and pyrite associated...stringer quartz veinlets associated with molybdenite in sericite alteration, and 4) WNW-trending quartz veins |  | Cooke, D. R., Deyell, C. L., Waters, P. J., Gonzales, R. I., Zaw, K. (2011) Evidence for Magmatic-Hydrothermal Fluids and Ore-Forming Processes in Epithermal and Porphyry Deposits of the Baguio District, Philippines. Economic Geology, 106 (8) 1399-1424 doi:10.2113/econgeo.106.8.1399 | Journal (article/letter/editorial) | | and Porphyry Deposits of the Baguio District, Philippines DAVID R. COOKE,1,† CARI L. DEYELL,1,* PATRICK...7001, Australia 2 Anglo American Exploration Philippines Inc., 1101 Pearlbank Centre Building, 146 Valero...Salcedo Village, Makati City, Metro Manila, Philippines Abstract The Baguio district contains a diverse...plate and the Scarborough Ridge beneath northern Luzon over the past 3 m.y. Rapid uplift and exhumation...Au deposits) are intermediate sulfidation state quartz-carbonate-adularia-illite-base metal sulfide veins |  | | Journal (article/letter/editorial) | | Porphyry and Lepanto Epithermal Cu–Au Deposits, Philippines Jeffrey W. HEDENQUIST,1,2 Antonio ARRIBAS R.1...world-class Far Southeast (FSE) porphyry system, Philippines, includes the FSE Cu–Au porphyry deposit, the...Lepanto Cu–Au high-sulfidation deposit and the Victoria–Teresa Au–Ag intermediate-sulfidation veins, centered...altered syn-mineral intrusions is 2.0 permil. Stage 1 quartz–alunite–pyrite of the Lepanto lithocap, above about...enargite. 1. Introduction Bodies of leached residual quartz, with alteration halos of advanced argillic minerals |  | | Journal (article/letter/editorial) | | tlzr Plzilippines, Dilimon, Qiiezan City, 2102 Philippines, E-mail: uzqyQi-izext.nct *Carrespoiziincynu...deposition in the western and eastern sides of the Philippines, rcspcctively. Key words: Mineralization, magmatism...on what can be expected in the Western Pacific region for a subduction-related setting. Its present-day...surrounding areas suggest that fragments of the Philippines could have come from mainland Asia, Borneo, Indonesia...exposures, the formation and evolution of the Philippines were also accompanied by mineralization. Gold |  | | Journal (article/letter/editorial) | | deposits such as Chinkuashih, Taiwan, Lepanto, Philippines, and Goldfield, Nevada, formed within 1500 m of...later discussion – Chinkuashih, Taiwan, Lepanto, Philippines, and Goldfield, Nevada – we show that while specific...astride a collisional plate boundary where the Luzon arc of the Philippine Sea plate obliquely collides...Lepanto, Mankayan district, Philippines The Lepanto high-sulfidation deposit, located in the Mankayan mineral...mineral district, Luzon Island, Philippines, is analogous to Chinkuashih in that the far-field tectonic stress |  | Manalo, Pearlyn C., Subang, Leo L., Imai, Akira, los Santos, Mervin C., Takahashi, Ryohei, Blamey, Nigel J. F. (2020) Geochemistry and Fluid Inclusions Analysis of Vein Quartz in the Multiple Hydrothermal Systems of Mankayan Mineral District, Philippines. Resource Geology, 70 (1) 1-27 doi:10.1111/rge.12214 | Journal (article/letter/editorial) | | of Vein Quartz in the Multiple Hydrothermal Systems of Mankayan Mineral District, Philippines Pearlyn...Geology, Lepanto Mine Division, Lepanto Consolidated Mining Company, Makati City, Philippines and 4Department...high-sulfidation epithermal gold orebodies in the Mankayan Mineral District were formed in an environment...enargite–gold orebody. The gold-bearing epithermal quartz veins in the Carmen and Florence areas are of two...types: (i) the enargite-rich veins and (ii) the quartz–pyrite–gold (QPG) veins. The two types of veins |  | | Book | | ............... 61 ， The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M Robertson...Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...and Au deposits around the world, namely the Cordillera o f the Americas, the Asia-Pacific, the Tethyan...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...ores o f the Baguio and Lepanto-Mankayan districts in the Philippines, which commenced operation in the |  | | Journal (article/letter/editorial) | | Mining Ltd, Level 9, 600 St Kilda Rd, Melbourne, Victoria 1004, Australia (Received 18 March 1993; accepted...acid fluids. Examples include Lepanto in the Philippines (Gonzalez, 1956; Garcia & Bongolan, 1989), Wafi...Adularia-sericite epithermal gold deposits, also known as quartz-adularia or low sulphidation, occur in andesitic...inferred porphyry systems, as in eastern Negros, Philippines (Mitchell & Leach, 1991). In a few arcs, mineralization...PYROCLASTIC FLOWS soo 2.c. Associated intrusive rocks MINE SE UPPER ANOESITES MIDDLE PYROCLASTICS AN0ESITES |  | | Journal (article/letter/editorial) | | Japan Abstract Lithocaps consist of vuggy residual quartz and advanced argillic alteration formed at shallow...lithocap, there are contemporaneous epithermal gold-quartz veins. A 1200-m hole was drilled in 1999 beneath...by Sillitoe (1995) and included vuggy residual quartz and advanced argillic alteration formed at shallow...Lepanto-Far Southeast mineral system in the Philippines (Arribas et al., 1995; Hedenquist et al., 1998)...Western Lake Ikeda area, many small-scale gold–silver quartz veins were exploited mainly during the Meiji period |  | | Journal (article/letter/editorial) | | such as deposition of bladed calcite, colloform quartz, and adularia, as well as the generation of steam-heated...different naming tradition, IS deposits in the Cordillera have been termed “Cordilleran polymetallic\base...“carbonate-base metal Au deposits” in the circum-Pacific region (e.g., Leach and Corbett, 1994; Corbett and Leach...minerals, quartz – sulfate (e.g., barite) as main gangue minerals (carbonate absent), and quartz – alunite...Lithocap: blankets of alunite, kaolinite, and vuggy quartz formed from acid leaching of condensation of a |  | | Journal (article/letter/editorial) | | Geochemistry of Tertiary Igneous Rocks of Northern Luzon, Philippines: Evidence for a Back-Arc Setting for Alkalic...Australia, Level 9, 479 St Kilda Road, Melbourne, Victoria 3004, Australia ARC Centre for Excellence in...Tasmania 7001, Australia American Exploration (Philippines) Inc., 11th Floor, Pearlbank Center Building...Salcedo Village, Makati City, Metro Manila, Philippines Abstract Oligocene to early Miocene volcanic...preserved in the Central Cordillera range and Cagayan Valley of northern Luzon, Philippines. Basaltic and andesitic |  | | Journal (article/letter/editorial) | | Copper, Gold and Silver Mining in the Philippines THE PHILIPPINES is one of the most richly endowed parts...Geosciences, 1986; Fig. 2). Between 2005 and 2009, the Philippines accounted for approximately 1.5 and 0.1 percent...mining operations in the Philippines commenced at Carawisan in 1842 and Mankayan in 1864 (Bureau of Mines...two decades. The closure of the Lepanto enargite mine in 1996 (Chang et al., 2011) marked a return to...figures (Fig. 2). Between 2005 and 2009, the Philippines only produced between 0.1 and 0.3 percent of |  | | Journal (article/letter/editorial) | | Hypogene advanced argillic alteration, typically quartz-alunite with halos of kaolinite ± dickite and roots... leaves residual silica that recrystallizes to quartz within the flow channel at a high condensate/rock...flow. Where subsequently mineralized, the residual quartz, commonly with a vuggy texture that reflects the...lithology, has higher Au (and Cu) grades than the quartz-alunite halo. Tonnage in these high sulfidation...only quartz, pyrite, native S, and anhydrite are stable, hence the formation of the dominant quartz from |  | | Report (issue) | | Laboratory of the Bureau A mine in Hen^uet Hot sprinji^s at Tiui, Albay Province AND MAPS. Facing page... Preliminary investigation of the gold-hearing region of ('agayan de Misamis, Mindanao, Mr. lekis. 7...appreciated and su])ported hy the men mining of the Philippines. There are nuiny factors which affect any industry...impress upon the minds of the prospectors and mine owners the desirahility of conservative advertising...uninitiated A and very common eause of faihire of a mine is may suspeet. the premature i)urchase mining |  | | Journal (article/letter/editorial) | | epithermal, gold, Thorn, North Xinjiang, Nena, Victoria, Cibaliung, Cikidang, Francis Creek, Rodnikovoe...mineralization of ten locations mainly in the circumPacific region (Fig. 1; Table 1). Most locations are sites of...exploration, except for one abandoned, the Hoshino mine (Belhadi et al., 2002). Hishikari (Imai and Uto...2002), Cikidang (Rosana and Matsueda, 2002) and Victoria (Sajona et al., 2002) already became operating...(Cretaceous) Hoshino (Pliocene) Hishikari (Pleistocene) Victoria (Pleistocene) Nena (Miocene) Francis Creek (Paleozoic) |
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