 | | 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...3) stringer quartz veinlets associated with molybdenite in sericite alteration, and 4) WNW-trending quartz...inclusions in veinlet quartz associated with molybdenite (stage 3) are dominated by gas-rich inclusions...hydrothermal system. Keywords: Dizon, porphyry Cu deposit, Philippines, Luzon, fluid inclusion, hydrothermal |  | | Journal (article/letter/editorial) | | to porphyry Cu-Au mineralization at the Dizon mine, Philippines William P. Midea1 | Keiko Hattori1 |...Sciences, University of the Philippines Diliman, Quezon City, Philippines Correspondence William P. Midea...Engineering Research Council of Canada Abstract The Dizon Au-rich porphyry Cu deposit, 0.67 Mt Cu and 174...of plagioclase phenocrysts. Parental magmas at Dizon were oxidized, above FMQ + 2.0, and water-rich,...opacitic bands of amphibole in the diorite porphyry at Dizon reflects the release of aqueous fluids from the |  | | Journal (article/letter/editorial) | | GeosciencesBureau, North Avenue, Diliman,Quezon City, Philippines Abstract--The mining industry sector is a major...the framework of very stiff competition in the region for investments, new thrusts and directions, without...mining ensued and fostered the development of a mine in Panay Island in 1842, and another (now the Lepanto...dredging operations by the British in the Bicol region and eastern Mindanao. Modern methods of mining...kilos from the first modern gold mine (Benguet Corp.'s Antamok Mine) in 1907 to more than 30,000 kilos |  | | 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...Chalcopyrite-Au mineralization associated with molybdenite is recognized in the deeper zone in the breccia...heterogeneous entrapping in the two-fluid unmixing region. Sulfur isotopes of aqueous sulfide and sulfate...associated magmatic hydrothermal deposits in the western Luzon arc. The Lepanto Far Southeast (FSE) porphyry Cu-Au |  | | 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 |  | | 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) | | 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) | | 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...Pyrite, chalcopyrite, pyrrhotite,magnetite, molybdenite Quartz,calcite, ankerite,laumontite Faults |  | Imai, Akira, Ohbuchi, Yukiko, Tanaka, Takayuki, Morita, Seiya, Yasunaga, Kentaro (2007) Characteristics of Porphyry Cu Mineralization at Waisoi (Namosi District), Viti Levu, Fiji. Resource Geology, 57 (4) 374-385 doi:10.1111/j.1751-3928.2007.00031.x | Journal (article/letter/editorial) | | pyrite assemblage associated with traces of molybdenite and native gold. Polyphase fluid inclusions in...Drummond, 1990). 3.2. Waisoi East deposit The central part of the Waisoi East deposit is situated in...pyrite assemblage accompanied with traces of molybdenite and native gold (Tanaka et al., 2004). An © 2007...chalcopyrite and pyrite, occasionally associated with molybdenite, occurs in quartz veinlets, and is also disseminated...Loc. 106 in Fig. 5). So far, minute grains of molybdenite and native gold visible under the microscope |  | | Journal (article/letter/editorial) | | Hg deposits including Itomuka and Ryushoden in central Hokkaido and Hg and Sb mineralizations in Northeast...values of cinnabar from the Hidaka-Kitami district, central Hokkaido, including the Itomuka and Ryushoden deposits...(Yakumo, Toyotomi and Teine deposits) and eastern-central Honshu (Hachiman and Daikoku deposits). The variation...than +2 ‰ from southwestern Hokkaido, eastern-central Honshu and Kyushu are probably caused by contribution...values of cinnabar from the Hidaka-Kitami district, central Hokkaido, is difficult to explain at this moment |  | 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 |  | Reich, Martin, Parada, Miguel A., Palacios, Carlos, Dietrich, Andreas, Schultz, Frank, Lehmann, Bernd (2003) Adakite-like signature of Late Miocene intrusions at the Los Pelambres giant porphyry copper deposit in the Andes of central Chile: metallogenic implications. Mineralium Deposita, 38 (7) 876-885 doi:10.1007/s00126-003-0369-9 | Journal (article/letter/editorial) | | giant porphyry copper deposit in the Andes of central Chile: metallogenic implications Received: 12 November...the Los Pelambres giant porphyry copper deposit, central Chile (32S). Located within the southern portion...Keywords Adakites Æ Giant porphyry copper deposits Æ Central Andes Introduction The genetic link between magmatism...crust (Cathles 1981; Sawkins 1990). The Andes of central Chile host some of the world’s largest porphyry...black line), and the volcanic gap separating the Central Volcanic Zone (CVZ) and the Southern Volcanic Zone |  | | 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...of Cu–Fe– sulfides and gold, with or without molybdenite, which is commonly late in the paragenesis. Cu–Au...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 |  | | Journal (article/letter/editorial) | | volcano–plutonic belts in Japan. Among these, the San-in belt is the only representative of an upper crustal...(Fig. 2). For example, Mount Pinatubo in the 4 Philippines is well known for its anhydrite phenocrysts in...the eruption product of 1991, with the Dizon porphyry Cu mine (0.66 Mt Cu) on its flank (Hattori & Keith...forming the Kitakami, Abukuma, Ryoke, Sanyo, and San-in belts (Fig. 1b). The continuing subduction of...submarine volcanic rocks, forming the Green Tuff region of propylitic alteration from Hokkaido to Kyushu |  | | 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...patches, the largest 300 x 150 m in diameter, in the central part of the potassium silicate zone exhibit intensive |  | | Journal (article/letter/editorial) | | synthetic fluid inclusions: Results for scheelite, molybdenite, and gold solubility at 800°C and 200 MPa—Insa...Strel’tsovka uranium ore field, eastern Baikal region—I.V. Chernyshev, V.N. Golubev, A.P. Aleshin, and...alterations of shear zone at Dungash gold mining, central Eastern Desert, Egypt—Osama M.K. Kassem, Said H...2, 2017 Fluid inclusion characteristics and molybdenite Re-Os geochronology of the Qulong porphyry copper-molybdenum...geochemical mapping of the Mount Pinatubo-Dizon Mine area, the Philippines: Implications for mineral exploration |  | Zhong, Shihua, Feng, Chengyou, Seltmann, Reimar, Li, Daxin, Dai, Zhihui (2018) Geochemical contrasts between Late Triassic ore-bearing and barren intrusions in the Weibao Cu–Pb–Zn deposit, East Kunlun Mountains, NW China: constraints from accessory minerals (zircon and apatite) Mineralium Deposita, 53 (6) 855-870 doi:10.1007/s00126-017-0787-8 | Journal (article/letter/editorial) | | Beijing 100037, China 2 Center for Russian and Central EurAsian Mineral Studies, Department of Earth Sciences...al. 2017a). Mafic dikes are observed in the whole mine area (Fig. 2b, c), ranging from several 10 cm to...volumetrically more predominant. Moreover, published molybdenite Re–Os and muscovite 40Ar/39Ar dates in these...Lobo-Boneng, Black Mountain, Dizon, and Taysan in the western Luzon arc, Philippines (Imai 2002). All the intrusions...characteristics of apatites in granitoids from Central Kazakhstan: implications for petrogenesis and mineralization |  | | Journal (article/letter/editorial) | | sulfide deposits in the Tongling district, Anhui Province—Xu Wenyi, Hou Zengqian, Yang Zhusen, Shi Danian...disseminated gold deposits in southwestern Guizhou province, China—Bao Zhiwei, Zhao Zhenhua, and Jayanta Guha...the waste rocks of the abandoned Seobo tungsten mine, Korea—Pyeong-koo Lee, Min-Ju Kang, Sang-Hoon Choi... Vol. 41, No. 1, 2005 U-Pb tantalite, Re-Os molybdenite, and 40Ar/39Ar muscovite dating of the Brazil...controlled burial dolomitization of the Devonian west-central Alberta deep basin—Darryl G. Green and Eric W. |  | | 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 |  | Boomeri, Mohammad, Moradi, Rahele, Stein, Holly, Bagheri, Sasan (2019) Geology, Re-Os age, S and O isotopic composition of the Lar porphyry Cu-Mo deposit, southeast Iran. Ore Geology Reviews, 104. 477-494 doi:10.1016/j.oregeorev.2018.11.018 | Journal (article/letter/editorial) | | characterized by chalcopyrite, pyrite, bornite, 17 molybdenite and magnetite, whereas supergene mineralization...suggesting magmatic water. Re-Os dating of two molybdenite samples from two different 22 drill holes yields...Sistan Suture Zone; Southeastern Iran; Re-Os molybdenite; δ34S and δ18O. 25 26 1. Introduction 27 ...Sanandaj-Sirjan zone, (3) Sahand-Bazman belt, (4) Central Iran, (5) Lut and Sistan blocks, (6) Alborz zone...its various 34 igneous rocks have become a key region for both petrological and tectonic studies (e.g |  | | 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 |  | | 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 |  | | 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...chalcocite. By-product minerals frequently include molybdenite and native gold. Other associated minerals may...± bornite, with pyrite and minor amounts of molybdenite. In some deposits, there is an advanced argillic...They defined “early mineralization” wherein molybdenite was the sole ore sulfide mineral present. Subsequent |  | | Report (issue) | | Pakistan; Bajo de Alumbrera, Argentina; and Dizon, Philippines. This antipathetic relationship of gold and...(Taylor and Van Leeuwen, 1980). Magnetite and molybdenite form fracture fillings in quartz porphyry. The...INTERPRETATION Data presented by Chaffee (1982) show that, at San Manuel, Arizona, gold is concentrated in two environments...prospect and its metavolcanic wallrocks, west central Puerto Rico: U.S. Geological Survey Journal of...PCD-Au PCD-Au-Mo PCD-Mo Afton, B.C. Basay, Philippines Bell, B.C. Caribou Bell, B.C. Copper Mountain |
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