 | 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...porphyry prospect. Cordillera Exploration Company, Inc., BGC, Taguig City, Philippines School of Environmental |  | 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) | | MINERALIZATION EVENTS AT LEPANTO, MANKAYAN MINERAL DISTRICT, NORTHERN LUZON, PHILIPPINES Pearlyn C. Manalo,1...819-0395, Japan 3 Lepanto Consolidated Mining Company, Makati City 1226, Philippines 4 Faculty of Engineering...situated 500 m east of the Lepanto fault in Mankayan, Luzon, Philippines. Most vein mineralization is...is hosted by the Lepanto metavolcanic basement rocks at an elevation between 700 and 1,050 m. The earliest...and alteration consist of quartz, pyrophyllite, alunite, and dickite. Enargite and luzonite are the dominant |  | | Journal (article/letter/editorial) | | ELEMENT GEOCHEMISTRY OF ENARGITE IN THE MANKAYAN DISTRICT, PHILIPPINES C. L. DEYELL†,1,*AND J. W. HEDENQUIST2...Samples come from the Mankayan district, Philippines, which hosts the Lepanto high-sulfidation Cu-Au...enriched in Silver, Fe, and Pb in the center of Lepanto, and Zn (± Cd) is enrich the ore distal to the...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 |  | | Journal (article/letter/editorial) | | enargite-hosted fluid inclusions from the Lepanto, Philippines, high-sulfidation Cu-Au deposit * D. P....revealed in the Mankayan mineral district of northern Luzon, Philippines, where the Lepanto highsulfidation...mineralization in this environment. The ore stage at Lepanto consists of enargite-luzonite (Cu,As&), pyrite...mineralizing fluid of the Lepanto deposit. As this liquid moved to the northwest along the Lepanto fault, it was...calcite. However, in high-sulfidation deposits like Lepanto the transparent minerals are commonly late and |  | 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,†...260, Ottawa, Ontario, Canada K1S5P5 3 P.O. 4 Lepanto 5 Geology Box 5181, Kenmore East, Queensland 4069...Company, 21st Fl., BA-Lepanto Bldg., 8747 Paseo de Roxas, 1126, Makati City, Philippines and Metallurgy,...Australia Abstract The Mankayan mineral district of northern Luzon, Philippines, hosts several significant...the Far Southeast porphyry Cu-Au deposit, the Lepanto high sulfidation epithermal Cu-Au deposit, the |  | | Journal (article/letter/editorial) | | the Lepanto Copper and Gold and the Victoria Gold Deposits, Mankayan Mineral District, Philippines Rene...minerals of the Lepanto epithermal copper-gold deposit and the Victoria gold deposit, Mankayan Mineral District...District, Northern Luzon, Philippines, is discussed. The principal ore minerals of the Lepanto copper-gold deposit...to propylitic zone. The ore mineralogy of the Lepanto copper-gold deposit suggests high fS2 in the early...the Victoria quartz-gold-base metal veins on the Lepanto coppergold veins manifest the late introduction |  | | Journal (article/letter/editorial) | | Systematics of the Lepanto Far Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines Akira IMAI Abstract:...Abstract: The Lepanto Far Southeast porphyry Cu-Au deposit is located beneath and to the southeast of the...the Lepanto enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody...heterogeneous entrapping in the two-fluid unmixing region. Sulfur isotopes of aqueous sulfide and sulfate...indicates that the bulk δ34S is about +6 ‰. Thus, the Lepanto FSE deposit is a further example which confirms |  | 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) | | and Its Significance in the Mankayan Mineral District, Luzon, Philippines Fernando G. SAJONA, Eiji IZAWA*...Bureau, North Avenue, Diliman, Quezon City, Philippines [e-mail: diksajona@hotmail.com] * Department...discovered in 1995 in the Mankayan mineral district, northern Luzon, Philippines. It occurs just south of...of a high-sulfidation copper-gold orebody (Lepanto enargite deposit) and a porphyry copper-gold orebody...ages from 1.6 to 1.1 Ma, similar to ages of the Lepanto enargite deposit. Mineralogical, geochemical, fluid |  | | Journal (article/letter/editorial) | | lode deposits such as Chinkuashih, Taiwan, Lepanto, Philippines, and Goldfield, Nevada, formed within 1500...early stage of extensive advanced argillic silica–alunite alteration followed by an abrupt change to spatially...Elsewhere terms like “acid sulfate” or “kaolinite–alunite” have been used to distinguish them from so-called...oregeorev.2010.11.004 assemblage characterized by alunite or pyrophyllite and a range of other aluminosilicates...for exploration in areas with extensive silica–alunite advanced argillic alteration – the so-called barren |  | | 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...system. Keywords: Dizon, porphyry Cu deposit, Philippines, Luzon, fluid inclusion, hydrothermal system, sulfur...Au-rich porphyry Cu deposits in the western Luzon arc, Philippines (Bureau of Mines and Geosciences (BMG)...western flank of the Philippine Central Cordillera in northern Luzon, the Dizon deposit (Malihan, 1982, 1987; |  | | 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 |  | | Journal (article/letter/editorial) | | Far Southeast Porphyry and Lepanto Epithermal Cu–Au Deposits, Philippines Jeffrey W. HEDENQUIST,1,2 Antonio...porphyry system, Philippines, includes the FSE Cu–Au porphyry deposit, the Lepanto Cu–Au high-sulfidation...intrusive complex of dioritic composition. The Lepanto and FSE deposits are genetically related and both...stage 1 alteration (deep FSE potassic, shallow Lepanto advanced argillic-silicic, both at ~1.4 Ma), followed...mineral deposition within the FSE porphyry and the Lepanto epithermal deposits occurred during stage 2. We |  | | 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 |  | 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...mineralization was a common phenomenon in this region, and contributed significantly to its rich metal |  | 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) | | Multiple Hydrothermal Systems of Mankayan Mineral District, Philippines Pearlyn C. MANALO,1 Leo L. SUBANG...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...orebodies, which are located in the south of the Lepanto main enargite–gold orebody. The gold-bearing epithermal...types of veins are mainly hosted by the Cretaceous Lepanto Metavolcanics basement rocks, with minor veins |  | | Journal (article/letter/editorial) | | System: Far Southeast-Lepanto Porphyry andEpithermal Cu-AuDeposits, Philippines JEFFREY W. HEDENQUIST...betterdemonstratedthanin the Mankayan districtof northern Luzon,Philippines, wherethe Lepantohigh-sulfidation...formedoverthetopof theporphyry andconsists of quartz-alunite, datedat 1.42_+0.08Ma (n = 5), synchronous withK...alteration. The lowerlimitof extensive quartz-alunite alteration is at a m600-m elevation. Similaralteration...bylatevug-fulling quartz andkandite minerals. Thequartz-alunite alteration halopasses outward to "kandite" (ka |  | | 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...the next two decades. The closure of the Lepanto enargite mine in 1996 (Chang et al., 2011) marked a return...figures (Fig. 2). Between 2005 and 2009, the Philippines only produced between 0.1 and 0.3 percent of |  | | Journal (article/letter/editorial) | | above hydrostatic during mineralization. Kaolinite-alunite epithermal deposits, sometimes called acid-sulphate...dilute acid fluids. Examples include Lepanto in the Philippines (Gonzalez, 1956; Garcia & Bongolan, 1989)...island arcs (Mitchell, 1992). Since kaolinite-alunite epithermal gold or copper-gold mineralization is...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) | | surrounded by an alteration halo of dickite and alunite (Tokunaga, 1954). Urashima (1975) termed these...was demonstrated at the Lepanto-Far Southeast mineral system in the Philippines (Arribas et al., 1995;...in the Nansatsu district: (a) alunite (Izawa et al., 1984), (b) alunite (Togashi & Shibata, 1984), (c)...(5–10 m wide) consisting of kaolinite, dickite, alunite, pyrite, and goethite. Muta (1952) concluded that...shape, with three veinlike legs, which consist of alunite and quartz and a small amount of diaspore, pyrite |  | | 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...gold-copper ores o f the Baguio and Lepanto-Mankayan districts in the Philippines, which commenced operation in |  | | Journal (article/letter/editorial) | | advanced argillic alteration, typically quartz-alunite with halos of kaolinite ± dickite and roots of...has higher Au (and Cu) grades than the quartz-alunite halo. Tonnage in these high sulfidation systems...depth, Na and K alunite become stable. At the lowest temperature (<200°C), the alunite dissolves, leaving...lithocap alteration, residual quartz and/or quartz-alunite, is commonly offset from the surface projection...Sverjensky et al., 1991), and the stability of alunite (Hemley et al., 1969; Stoffregen et al., 2000) |  | | Journal (article/letter/editorial) | | stage. In the intermontane belt of the Canadian Cordillera, the ore-forming age was Per mian-Jurassic for...such as at the Kamioko Pb- Zn-Cu mine and the Kanatatsu Pb-Zn-Cu mine, both of which are related genetically...even a batholith, such as the 543 Kaishi Cu-Fe mine in Japan as well as the Dayi Fe-Cu and Guijiu Sn-Cu...dacite-rhyolite rocks are well devel oped in the Green Tuff region of Honshu, Kyushu, and Hokkaido, and are represented...when Zijinshan, a large Au-Cu deposit of quartz-alunite type (Zhang et al., 1994), was discovered in Fijian |  | | Report (issue) | | = 10.57(1) Z=2 X-ray Powder Pattern: Mankayan, Philippines. 3.046 (10), 1.855 (9), 1.592 (7), 1.578...02 32.56 Total [100.00] 99.0 100.00 (1) Mankayan, Philippines; recalculated to 100.00% after deduction...marcasite, alunite, barite, quartz. Distribution: From the Lepanto mine, Mankayan, Luzon, Philippines [TL]...[TL], as an ore mineral. In the Chinkuashi mine, Keelung, Taiwan. In Japan, at the Teine, Morino, and Date...localities. From the Sierra Famatina, La Rioja Province, Argentina. In the Julcani district, at Cerro |  | Sahlström, Fredrik, Arribas, Antonio, Dirks, Paul, Corral, Isaac, Chang, Zhaoshan (2017) Mineralogical Distribution of Germanium, Gallium and Indium at the Mt Carlton High-Sulfidation Epithermal Deposit, NE Australia, and Comparison with Similar Deposits Worldwide. Minerals, 7 (11) 213 doi:10.3390/min7110213 | Journal (article/letter/editorial) | | analyzed include: Stage 1 acid sulfate alteration (alunite), Stage 2A high-sulfidation enargite mineralization...concentrations of Ga were measured in Stage 1 alunite (up to 339 ppm) and in Stage 3 dickite (up to 150...Tsumeb in Namibia, Kipushi in D.R. Congo and the Apex Mine in Utah; e.g., [7]), syngenetic or early diagenetic...deposits. The northern Bowen Basin is a metallogenic province related to Permocarboniferous magmatism in NE...assemblages and high-grade Abbreviations: alu—alunite; anh—anhydrite; APS—aluminium-phosphate-sulphate |
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