 | | 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) | | 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...tennantite-tetrahedrite, chalcopyrite, sphalerite, galena, native gold/electrum and gold-silver tellurides...to propylitic zone. The ore mineralogy of the Lepanto copper-gold deposit suggests high fS2 in the early |  | | 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...WNW-trending quartz veins associated with sphalerite and galena at deeper part, while enargite and stibnite at...Fluid inclusions in veinlet quartz associated with galena and sphalerite (stage 4) are composed of liquid-rich...190°C from which veinlet quartz associated with galena and sphalerite precipitated. In addition to a change |  | 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...to the fluids that formed the kandites in the Lepanto enargite deposit. The northward cooling of mineralizing |  | | 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 |  | | 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 |  | 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) | | 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 |  | | 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...alpine-typeZambalesultramafic complexof western Luzon. The unusually high aluminacontentof the Masin...diversity of ore types than elsewherein the Philippines. At last eight porphyry copper depositsare known...depositsincludethe enargite-luzonite-telluride depositat Lepanto,localized along the intersectionof an unconformityand |  | | Journal (article/letter/editorial) | | 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...porphyry. Keywords: bornite, Kingking, Mindanao, Philippines, porphyry copper deposit. 1. Introduction The...south-eastern portion of Mindanao Island, the Philippines. It has a total mineable ore reserve of 353 million |  | | Report (issue) | | of the numerous setbacks which mining in the Philippines has suffered, and the great handicaps with which...directed to the winning of this metal. Mountain Province still leads in production and, in spite of the...cent of the total consumption of coal in the Philippines. Raw cement materials at Naga, Cebu, which were...exploratory drilling in Bondoc Peninsula, Tayabas Province. Intensive sugar-cane cultivation has created...mining organization. 3. An act amending the Administrative Code so as to do away with the direct tax on |  | | 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) | | was demonstrated at the Lepanto-Far Southeast mineral system in the Philippines (Arribas et al., 1995;...centers correspond to the main Kasuga orebody (Kasuga mine pit) area in the south and the Mt. Sonomi area in...1999 is also shown. Elevation of bench (mL) and mine grid are shown. North in this map is magnetic north...on the northeast side of the100 m-level bench at mine grid N184 and W84 (Figs 6–7). The upper 285 m of...Peak geothermal system in Philippines, however, I/S Fig. 9 Sphalerite and galena in narrow veins in sandstone |  | | 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...thegeology, alteration zoning,andoreparaThE Philippines represents oneof theworld'slargeporphyry genesis...(SillitoeandGappe,1984).TheMankayan mineraldistrict in northern Luzon(Fig.1)hosts theLepanto enargiteAu orebody, a high-sulfidation...rd et al., 1969,1971;Roed~ FIG. 1. Map of the Mankayan district,northernLuzon(inset),Philipder, 1971;Reynolds |  | | Journal (article/letter/editorial) | | Two types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate type... The enargite and luzonite ores in the Hokuetsu mine, Japan are closely associated with native sulfur...follows. The mine is situated in central Peru, about 250 km north of Lima. This region is underlain by...bornite, wurtzite, Huanzala mine, Teine mine, Chinkuaqshih mine, Hokuetsu mine. 147 148 H. IMAI RESOURCE |  | 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) | | sphalerite mineralization (sphalerite, pyrite, galena) and Stage 3 hydrothermal void fill (dickite)....compositions close to CuZn2 (In,Ga)S4 . Barite, pyrite and galena which occur in association with Stage 2 mineralization...Tsumeb in Namibia, Kipushi in D.R. Congo and the Apex Mine in Utah; e.g., [7]), syngenetic or early diagenetic...chalcopyrite, pyrite, tennantite-tetrahedrite, sphalerite, galena, electrum, and tellurides) [20,26,27]. High-sulfidation...deposits. The northern Bowen Basin is a metallogenic province related to Permocarboniferous magmatism in NE |  | | Journal (article/letter/editorial) | | sulfides such as pyrite, chalcopyrite, sphalerite, galena, and tetrahedrite/tennantite associations are another...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...pyrite –arsenopyrite ± pyrrhotite ± sphalerite ± galena ± chalcopyrite ± tetrahedrite / tennantite as ore...sulfides content (5-20 vol%), pyrite – sphalerite – galena – chalcopyrite – tetrahedrite / tennantite as chief |  | | 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) | | THE GEOLOGY OF LUZON, P.I. WARREN D. SMITH, PH.D. Chief of Division of Mines, Bureau of Science, Manila...ECONOMIC Coal Iron Oil Gold Copper INTRODUCTION Luzon is the largest island of the Philippine group and...mining field, evidence is already abundant that Luzon will before many years have a place in the very...very first rank. Finally, M'anila, the capital of Luzon, through her Bureau of Science, an institution not...will be correlated. The dominant feature about Luzon, as is the case with other portions of the Archipelago |  | | Journal (article/letter/editorial) | | located in southwestern part of Sumbawa Island, Province of Nusa Tenggara Barat, Indonesia, in Sunda-Banda...world including western Pacific rim such as the Philippines (e.g., Sillitoe 239 240 A. IMAI and S. OHNO...in Figures 3 and 4, respectively (courtesy of the mine). Since the old tonalite is too small with respect...surface is original topography (courtesy of the mine). Since the old tonalite is too small with respect...surface is original topography (courtesy of the mine). Since the old tonalite is too small with respect |  | | Report (issue) | | Suern ooast of Zamboanga Peninsula. banuns of this region were studied by Mr. Christie during two periods... This book is a history of the Moros in the Philippines from the earliest times to the American occupation...Dredging in the Philippines, by William Kane Mine Exploitation and the Causes of Some Mine Failures in the...the Philippines, A by F. 38 45 T. Eddingfield Preliminary Check List of Philippine Minerals, by...for power. 3. A section of the 3-rail tramway from mine to mill. 5 8 14 16 MINERAL RESOURCES OF THE |  | Imai, Akira, Shinomiya, Jumpei, Soe, Maung Thiha, Setijadji, Lucas Donny, Watanabe, Koichiro, Warmada, I Wayan (2007) Porphyry-Type Mineralization at Selogiri Area, Wonogiri Regency, Central Java, Indonesia. Resource Geology, 57 (2) 230-240 doi:10.1111/j.1751-3928.2007.00019.x | Journal (article/letter/editorial) | | Mountain Range is situated in the present-day fore-arc region between the Quaternary volcanic chain and the Java...deposits. Fig. 2 Physiographic map of the geologic province of central and eastern Java, Indonesia, as well...metal sulfides such as chalcopyrite, sphalerite and galena in addition to common pyrite (location 18-1, Fig...Base metal sulfides including sphalerite (sph), galena (gn), chalcopyrite (cp) and pyrite (py) associated...Hamilton, W. (1979) Tectonics of the Indonesian Region. U.S. Geological Survey Professional Paper No. |
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