 | | Journal (article/letter/editorial) | | Hydrothermal System at the Dizon Porphyry Cu-Au Deposit, Zambales, Philippines Akira IMAI* Department of...system at the Dizon porphyry Cu-Au deposit in western central Luzon, Zambales, Philippines, is documented...hydrothermal system. Keywords: Dizon, porphyry Cu deposit, Philippines, Luzon, fluid inclusion, hydrothermal...1986; Sillitoe and Gappe, 1984; Imai, 2002). The Dizon porphyry Cu-Au deposit has been considered as a...sulfur isotope systematics. 1. Introduction The Dizon deposit has been known as one of representative |  | | 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...Niño (9.5±0.3 Ma), Black Mountain (2.1±0.1 Ma), Dizon (2.5±0.2 Ma) and Taysan (7.3±0.2 Ma). Microphenocrystic...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 |  | | Journal (article/letter/editorial) | | 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 of potassic...stockwork of quartz-anhydrite veinlets. Fluid inclusions found in stockwork quartz and anhydrite in the biotitized...isotopic thermometry applied to the sulfides-anhydrite pairs suggests around 500°C. The principal ore...ore minerals associated with quartz-anhydrite stockworks are chalcopyrite and pyrite with minor bornite |  | | Book (volume) | | Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992 v.6 The Society of Resource...Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES The Society of Resource Geology Nogizaka building...Volume 6 : Mineral Deposits of Japan and the Philippines Editors: Tetsuro Urabe and Masahiro Aoki The...Honshu 4. Mineral Deposits of Japan and the Philippines (* in Japanese) Nos. 1 - 3 are published as Guidebook...Volume 6: Mineral Deposits of Japan and the Philippines. The publications of these volumes are supported |  | | Journal (article/letter/editorial) | | (southwestern Hokkaido through northeastern Honshu to central Honshu), Izu-Bonin arc, Kyushu-Palau ridge, Southwest...were compared to those from the Western Luzon arc, Philippines, to better understand the metallogenesis...associated with porphyry Cu deposits in the Western Luzon arc contain >0.1 wt% S as SO3. Such high SO3 contents...in the Western Luzon arc, from 15 Ma old tonalitic plutonic rocks of the Luzon Central Cordillera to present-day...southern Kyushu are similar to those from the Western Luzon arc. The SO3 contents of accessory apatite in the |  | | Journal (article/letter/editorial) | | mineralization: evidence from Mount Pinatubo, Philippines, and Bingham Canyon, Utah, USA Received: 15 April...Springer-Verlag 2001 Abstract Mount Pinatubo in the Philippines, known for its cataclysmic eruption in 1991,...sulphur as copper-sulphide minerals and signi®cant anhydrite, and much larger quantities as pyrite in alteration...porphyry copper systems, including that at the Dizon deposit on the ¯ank of the volcano. Close monitoring...located in the Bataan arc in western Luzon Island, Philippines (Fig. 1a). This arc contains several young |  | | Journal (article/letter/editorial) | | northeast and Myanmar in the northwest, through the Philippines, Indonesia, New Guinea, and the volcanic island...over the past decade (e.g., BoyonganBayugo, Philippines; Golpu porphyry, Papua New Guinea) or are close...several centuries. In the Philippines, despite a long history of mining in the region (Cooke et al., 2011)...pdf by Boston College user 2 HOLLINGS ET AL. Luzon South China Sea Gulf of Thailand Sulu Sea 2...1200 800 400 Lutopan Kingking Boyongun Kelian Dizon Wafi Namosi Elang Wabu Tampakan Emperor Santo |  | Borisova, Anastassia Yu., Pichavant, Michel, Polvé, Mireille, Wiedenbeck, Michael, Freydier, Remi, Candaudap, Frédéric (2006) Trace element geochemistry of the 1991 Mt. Pinatubo silicic melts, Philippines: Implications for ore-forming potential of adakitic magmatism. Geochimica et Cosmochimica Acta, 70 (14) 3702-3716 doi:10.1016/j.gca.2006.04.030 | Journal (article/letter/editorial) | | geochemistry of the 1991 Mt. Pinatubo silicic melts, Philippines: Implications for ore-forming potential of adakitic...June 15, 1991, by the Mt. Pinatubo volcano, Philippines (Bernard et al., 1996; Prouteau et al., 1999;...1993, 1996). Located south of the North Luzon Au–Cu province of Miocene–Pliocene age, Mt. Pinatubo is...is only 19 km north of the 2.7 Ma Dizon major Cu–Au porhyry copper deposit (Malihan, 1987), and several...representative of those occurring in the North to West-Central Luzon Au–Cu district. The Mt. Pinatubo dacite preserves |  | Frias, Sofia Marah P., Imai, Akira, Takahashi, Ryohei, Balangue‐Tarriela, Ma. Ines Rosana, Arcilla, Carlo, Blamey, Nigel (2019) Geology, Alteration, and Mineralization of the Kay Tanda Epithermal Gold Deposit, Lobo, Batangas, Philippines. Resource Geology, 69 (4) 351-384 doi:10.1111/rge.12205 | Journal (article/letter/editorial) | | Tanda Epithermal Gold Deposit, Lobo, Batangas, Philippines Sofia Marah P. FRIAS,1 Akira IMAI,2 Ryohei TAKAHASHI...Institute of Geological Sciences, University of the Philippines Diliman, 4Philippine Nuclear Research Institute...Department of Science and Technology, Quezon City, Philippines and 5Department of Earth Sciences, Western University...the Batangas Mineral District in southern Luzon, Philippines. This study aims to document the geological...epidote-calcite-chlorite alteration. Stage 6 is composed of anhydrite-gypsum veins with minor base metal mineralization |  | Cirineo, Avriel Venis L., Imai, Akira, Takahashi, Ryohei, Baluda, Redempta P., Oliveros, Noel C., Maglambayan, Victor B., Luis, Roy Ronald C., Faustino, Maria Lourdes M., Almadin, Jacky (2021) Overprinting
porphyry‐type
veinlets on the intrusive rocks and phreatomagmatic breccias in the Southwest prospect, southwestern Sto. Tomas
II
(Philex), Baguio District, Philippines. Resource Geology, 71 (1). 1-40 doi:10.1111/rge.12242 | Journal (article/letter/editorial) | | southwestern Sto. Tomas II (Philex), Baguio District, Philippines Avriel Venis L. Cirineo1 | Akira Imai2 | Ryohei...Division, Philex Mining Corporation, Mandaluyong, Philippines Correspondence Avriel Venis L. Cirineo, Graduate...deposit in the Baguio District, northwestern Luzon, Philippines. The Southwest prospect hosts a copper-gold...Indonesia (Davies et al., 2008) and Acupan, Philippines (Cooke and Bloom, 1990; Cooke et al., 1996);...porphyry copper–gold mineralization in Boyongan, Philippines (Braxton et al., 2009; 2018; Braxton and Mathur |  | 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-...porphyry and epithermal Cu-Au deposits in the Central 6 Cordillera Range and southernmost of Cagayan |  | | Journal (article/letter/editorial) | | volcano–plutonic belts in Japan. Among these, the San-in belt is the only representative of an upper crustal...example, Mount Pinatubo in the 4 Philippines is well known for its anhydrite phenocrysts in the eruption product...product of 1991, with the Dizon porphyry Cu mine (0.66 Mt Cu) on its flank (Hattori & Keith, 2001). Magmas...sufficiently oxidized to contain barite in olivine and anhydrite inclusions in hornblende; high SO2− 4 content...forming the Kitakami, Abukuma, Ryoke, Sanyo, and San-in belts (Fig. 1b). The continuing subduction of |  | | Journal (article/letter/editorial) | | sediment-hostedmassivesulfidelead-zincde- recorded. The San Antonio de La Huerta pipe in posits, unconformity-typeuranium...porphyry- are not commonlyobserved.Locally, as in the San type mineralization,CopperCreek (Grimour,1977) Pedro...150 >600 Angularto sub- Absent rounded Peru San Pedro de 10 to >50% rounded Granodiorite Paleocene...Angularto locally Absent rounded El Bolsico, Chile San Francisco de Los Andes, Argentina Quartz diorite... and a minortonnageof bismuthore wasexploitedat San Franciscode Los Andes (Llamblasand Malvicini, 1969) |  | | 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...historic Surigao Au district of the southern Philippines (Fig. 1). Recent mineral resource estimates for...systems in mind, Anglo American Exploration (Philippines) Inc. (Anglo American) targeted the Surigao Au |  | | 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...MAMUT, Sabah SANTOTOMASIf, Philippines t4. PANGUNA,Bou(Jo(nvillels. DIZON, 15. CABANG KIRI, Sulgwes(...Alumbrera in the Faral16n Negro district, Catamarca province, northwest Argentina, an oval dacite porphyry...alteration is characterized by biotite, quartz, anhydrite, magnetite and subordinate K-feldspar, but irregular |  | | Journal (article/letter/editorial) | | probably contributes to metal endowment on the province scale and in some individual deposits, but does...Murakami (*) Geological Survey of Japan, AIST, Central 7, Tsukuba 305-8567, Japan e-mail: h-murakami@aist...CL CL CL BG PH Martec Loboc Refugioc Elatsite Dizon 126 23 190 972 377 495 754 3,230 700 1,168 1,710...Mongolia, MX Mexico, PG Papua New Guinea, PH Philippines, PR Puerto Rico, US United States of America...containing over 200 t of Au in the circum-Pacific region, that Au-rich magmatic–hydrothermal ore deposits |  | | Journal (article/letter/editorial) | | and one calc-alkaline composition) from the Philippines. The experiments were performed over a fO2 range...and epithermal and porphyry-type deposits is the central question addressed in this paper. We approach the... (2005; see below), all from the North Luzon arc, Philippines (Fig. 1a; bulk rock compositions in Table...Table 1). Recent (<20 Ma) magmatism in the North Luzon arc is linked to the current subduction of the South...chain of porphyry copper deposits extending from Dizon in the south to Lepanto in the north, and the epithermal |  | Jégo, Sébastien, Nakamura, Michihiko, Kimura, Jun-Ichi, Iizuka, Yoshiyuki, Chang, Qing, Zellmer, Georg F. (2016) Is gold solubility subject to pressure variations in ascending arc magmas?. Geochimica et Cosmochimica Acta, 188. 224-243 doi:10.1016/j.gca.2016.05.034 | Journal (article/letter/editorial) | | of gold in intermediate silicate melts is the central question addressed in this study. The experimental...natural calc-alkaline samples from the North Luzon arc (Philippines). They are both dacitic in composition...2010). Recent (< 20 Ma) magmatism in the North Luzon arc is linked to the current subduction of the South...chain of porphyry copper deposits extending from Dizon in the south to Lepanto in the north, and the epithermal...samples of this recent magmatic episode in North Luzon. Their respective sampling location and geochemical |  | | Journal (article/letter/editorial) | | calc-alkaline composition) from the North-Luzon Arc (Philippines). The experiments were performed over an...1997; Mungall, 2002a). More specifically in the Philippines, Imai (2002, 2004) reports that sulfur is systematically...systematically present in all Au–Cu deposits of the North Luzon arc, either as sulfide minerals (chalcopyrite, pyrite...pyrite, bornite, pyrrhotite) or as sulfate (anhydrite) – reflecting an evolution of the redox state within...three natural samples, all from the North Luzon arc (Philippines), respectively representative of a typical |  | | Journal (article/letter/editorial) | | Blanco, central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus...Santa Rita (Central dist.) Yanacocha Antamina Bisbee Santo Tomas II & Nugget Hill Dizon Boyongan-Bayugo...intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early Oligocene porphyry...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...the central Andes, mid-Miocene belt of Iran, and Pliocene belts in New Guinea and the Philippines (Fig |  | | Journal (article/letter/editorial) | | valleyswhichdrainwestinto dean Cordillera of central and northern Chile. The the Atacama desert. Maricungabelt...Coipa, near the site of a long-abandonedvein silver mine, was discoveredin 1981 by Amaxde Chile (R. H. Sillitoeand]...averaging 1.2 g/metric ton Miocenevolcano ß Au-Ag-(Cu)mine Au and133 g/metrictonAg, cameon streamin 1989 with...aremostwidespread The late Cenozoic Andes of northern and central However, reverse faults of mid- to Late Cretaceous...RE•RSEFAULT (t• S•+• c•R• onup•rownside) NORMAL FAULT MINE ORPROSPECT I VOLCANIC CENTER FIG. 3. Schematicmapof |  | | Book | | reference to the opportunities for investment in the region but covering also technical and operational aspects...AND M.A. KHAN Mining operations at Kolihan copper mine, Khetri Copper Complex, India B.L. GUPTA. New concepts... FOX AND J. HOSKINSON R.D. SINGH Kushikino gold mine, Japan KUNITOSHI OHE AND HISAAKI TAKATA x 159°...in pulp plant of the Masbate gold operations, Philippines R.S. PIZARRO AND F.V. ANTONIO 221 Production...technology in Southeast Asia L.L. TEOH Design of a mine-site laboratory facility D.C. SHELTON 237 ey 257 |  | | Report (issue) | | (Behn and others, 2001; Gow and Walshe, 2005), central Iran (Shahabpour, 1999), and New Guinea (Gow and...Clark and others, 2007). In the thermal infrared region, quartz and hydrous silica contain emission minima...zones with <1 wt (weight) percent pyrite in the central part of the deposit, through a surrounding zone...biotite, muscovite (sericite), magnetite, chlorite, anhydrite, and epidote. Other commonly occurring gangue...K-feldspar, biotite, muscovite (sericite), albite, anhydrite, chlorite, calcite, epidote, and kaolinite. In |  | | Book | | HYDROTHERMAL COPPER AND GOLD DEPOSITS — • そ ‘ ^^ CENTRAL ASIA • -« THE AMERICAS • I^ r I • • i• な-...and Mineralisation of the Monywa Copper Deposits，Central Myanmar. U Kyaw Win and Douglas J Kirw in......... 61 ， The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M Robertson and Rene...87 The Fort Knox Porphyry Gold Deposit, Eastern-Central Alaska: An Overview and Update. Arne A Bakke, Robert...Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration |  | | Book (edition) | | ....................... 1625 IX.1. Andaman Sea Region ..................................................................... 2003 IX.8. Philippines (General, Palawan, Luzon) ........................................................... 2048 IX.9. South Philippines (Celebes Sea, Sulu Sea, Sandakan) .............public-domain publications listed alphabetically by region or by subject. It resumes a tradition of annotated...MOLUCCAS SULA BUTON SULAWESI CELEBES SEA (S PHILIPPINES) SULU SEA ARAFURA SEA NEW GUINEA (PAPUA, IRIAN) |
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