 | | Journal (article/letter/editorial) | | Deposits and 40Ar/39Ar Geochronology of the Baguio District, Philippines PATRICK J. WATERS,1 DAVID R. COOKE,2...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...Abstract The Baguio district is located in the Central Cordillera of northern Luzon, Philippines. It contains...Trench beneath northern Luzon produced a major batholith, the Central Cordillera Intrusive Complex, which |  | | 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 |  | III, Tomas A. Tam, Yumul, Graciano P., Ramos, Estephanie Gera L., Dimalanta, Carla B., Zhou, Mei-Fu, Suzuki, Shigeyuki (2005) Rare Earth Element Geochemistry of the Zigzag - Klondyke Sedimentary Rock Formations: Clues to the Evolution of the Baguio Mineral District (Luzon), Philippines. Resource Geology, 55 (3) 217-224 doi:10.1111/j.1751-3928.2005.tb00243.x | Journal (article/letter/editorial) | | Clues to the Evolution of the Baguio Mineral District (Luzon), Philippines Tomas A. TAM III*,**, Graciano...Sxience, University of the Philippines, Diliman, Quezon City, Philippines [e-mail: rwgmails@yahoo.com]...and Technology, Bicutan, Taguig, Metro Manila, Philippines **** Department of Earth Sciences, University...Formation and Miocene Klondyke Formation of the Baguio Mineral District reveals a transitional arc source...geochemistry, Baguio, Philippines of study has been rarely applied to the Philippines and has never |  | | 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) | | 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...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 |  | | Journal (article/letter/editorial) | | those already recordedin the literature of the Baguio district. Geologic mappinghas focusedon format:onalunits...reconnaisIntroduction sance scale and included a correlation of Baguio Acupan mines of BenguetConsolidated,Inc. The district...report is in the Baguio gold (1951) and Durkeeand Pederson(1961) attempted district, on Luzon Island, the...availableworking placeswasundertakenat a scaleof 1: 2,400.Benguet Consolidatedstaff usually producesdetailedsurface...been included but redrafted northern half of the Baguio gold district and its to the scale of 1:50,000 |  | | 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 |  | 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) | | magnetic data in Suyoc, Mankayan Mineral District, Philippines Creszyl Joy J. Arellano1 | Leo T. Armada1 | Carla...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...magnetic surveys conducted in Suyoc, Mankayan, Benguet led to the delineation of features related to epithermal...attributed to hydrothermally altered rock with quartz veins. The previously recognized porphyry copper |  | 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) | | Epithermal and Porphyry Deposits of the Baguio District, Philippines DAVID R. COOKE,1,† CARI L. DEYELL,1...7001, Australia 2 Anglo American Exploration Philippines Inc., 1101 Pearlbank Centre Building, 146 Valero...Village, Makati City, Metro Manila, Philippines Abstract The Baguio district contains a diverse array...plate and the Scarborough Ridge beneath northern Luzon over the past 3 m.y. Rapid uplift and exhumation...deposits. Most of the epithermal Au-Ag deposits of the Baguio district (including Antamok and Acupan, the two |  | | 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...pyrite, molybdenite,gold and silver. Secondary quartz, biotite and serfcite appear to be rather closelyassociatedwith |  | | 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... and another (now the Lepanto Mining) north of Baguio City in 1864. Renewed interest in gold by the turn...dredging operations by the British in the Bicol region and eastern Mindanao. Modern methods of mining...hundred kilos from the first modern gold mine (Benguet Corp.'s Antamok Mine) in 1907 to more than 30,000 |  | 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) | | Significance in the Mankayan Mineral District, Luzon, Philippines Fernando G. SAJONA, Eiji IZAWA*, Yoshinobu...Bureau, North Avenue, Diliman, Quezon City, Philippines [e-mail: diksajona@hotmail.com] * Department...in the Mankayan mineral district, northern Luzon, Philippines. It occurs just south of a high-sulfidation...metal, gold, epithermal, Lepanto, Mankayan, Luzon, Philippines from the depleted Lepanto enargite deposit...Introduction The Mankayan mineral district, northern Luzon, Philippines, hosts several porphyry copper and epithermal |  | Queaño, Karlo L., Ali, Jason R., Aitchison, Jonathan C., Yumul, Graciano P., Pubellier, Manuel, Dimalanta, Carla B. (2008) Geochemistry of Cretaceous to Eocene Ophiolitic Rocks of the Central Cordillera: Implications for Mesozoic-Early Cenozoic Evolution of the Northern Philippines. International Geology Review, 50 (4) 407-421 doi:10.2747/0020-6814.50.4.407 | Journal (article/letter/editorial) | | Central Cordillera: Implications for Mesozoic–Early Cenozoic Evolution of the Northern Philippines KARLO...Institute of Technology, Intramuros, Manila, Philippines JASON R. ALI, JONATHAN C. AITCHISON, Department...Science, University of the Philippines, Diliman, Quezon City, Philippines and Department of Science and...and Technology, Bicutan, Taguig, Philippines MANUEL PUBELLIER, CNRS and Laboratoire de Geologie, Ecole...University of the Philippines, Diliman, Quezon City, Philippines Abstract The Central Cordillera in northern |  | | 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 |  | | 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...Smith 10 14 Other Mineral Districts (including Baguio), by P. T. Eddingfield The Bulacan Iron-ore Resources...32 34 SPECIAL ARTICLES Gold Dredging in the Philippines, by William Kane Mine Exploitation and the Causes...Causes of Some Mine Failures in the Philippines, A by F. 38 45 T. Eddingfield Preliminary Check |  | | Report (issue) | | A mine in Hen^uet Hot sprinji^s at Tiui, Albay Province AND MAPS. Facing page Frontinpiece of Science... 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...be stated that the history of the district of Benguet demonstrates that a sure, profitable and steady...towns of Compostela and on the east coast of Luzon about region behind is opposite Manila; the southern |  | | Journal (article/letter/editorial) | | OF THE THANKSGIVING MINE, BAGUIO DISTRICT, MOUNTAIN PROVINCE, PHILIPPINES K. J. CALLOW CONTENTS PAGE............. ABSTRACT At theThanksgiving minein Luzon,Philippine Islands, a number of small sulfideorebodiesof...magnetite,hematite, chlorite, calcite, garnet, and quartz. Scatteredthroughoutthe sulfidesand someof the...Thanksgiving mine of Benguet Exploration, Inc. is located in the BaguioDistrict in Mountain Province,Northern Luzon...Luzon, PhilippineIslands. It lies at the bottomof the valley of the Bued River at an elevationof 2,670 |  | Polve, Mireille, Maury, Rene C., Jego, Sebastien, Bellon, Herve, Margoum, Ahmed, Yumul, Graciano P., Payot, Betchaida D., Tamayo, Rodolfo A., Cotten, Joseph (2007) Temporal Geochemical Evolution of Neogene Magmatism in the Baguio Gold?Copper Mining District (Northern Luzon, Philippines) Resource Geology, 57 (2) 197-218 doi:10.1111/j.1751-3928.2007.00017.x | Journal (article/letter/editorial) | | Neogene Magmatism in the Baguio Gold–Copper Mining District (Northern Luzon, Philippines) Mireille Polve1, Rene...Institute of Geological Sciences, University of the Philippines, Quezon City and 5Philippine Council for Industry...Development-DOST, Taguig, Philippines Abstract Baguio, in the Central Cordillera of Northern Luzon, is a district...thought to reflect the progressive addition to the Luzon arc mantle wedge of incompatible elements largely...of the Zambales ophiolitic terrane to Northern Luzon. Then, magmatic activity resumed at 3 Ma, emplacing |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY OF ENARGITE IN THE MANKAYAN DISTRICT, PHILIPPINES C. L. DEYELL†,1,*AND J. W. HEDENQUIST2 1 CODES...system. Samples come from the Mankayan district, Philippines, which hosts the Lepanto high-sulfidation Cu-Au...The Mankayan mineral district of northern Luzon, Philippines, is one of the richest mining districts in...in the Philippine archipelago. The region hosts several porphyry copper and epithermal precious and base-metal...Mankayan district is located within the Luzon Central Cordillera. Significant porphyry and epithermal 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...Division, Philex Mining Corporation, Mandaluyong, Philippines Correspondence Avriel Venis L. Cirineo, Graduate...copper–gold deposit in the Baguio District, northwestern Luzon, Philippines. The Southwest prospect hosts...sheeted quartz veinlets. The corresponding formation conditions of the shallower and deeper quartz veinlets...the other porphyry deposits in the Baguio District. KEYWORDS Baguio District, diatreme, fluid inclusion |  | | Journal (article/letter/editorial) | | Luzonite from the Lepanto Cu-Au Deposit, Mankayan, Philippines: Further Example of Disease Texture and Its Origin...enargite-luzonite, Cu-Au deposit at Mankayan, Benguet Province, northern Luzon, Fig. 1 Geologic outline map around...around the Lepanto deposit. Philippines (Fig. 1) (Imai, 1943; Gonzalez, 1956; Garcia, 1991; Hedenquist...north of the Baguio mineral district, Luzon Central Cordillera. The backbone of the Cordillera is Miocene...lastic sequences (Fig. 2). Porphyry Cu-related quartz diorite porphyry bodies intrude the pre-enargite |  | | Journal (article/letter/editorial) | | epithermal gold deposits in the circum‐Pacific region R. H. Sillitoe a a 27 West Hill Park, Highgate...epithermal gold deposits in the circum‐Pacific region, Australian Journal of Earth Sciences: An International...epithermal gold deposits in the circum-Pacific region R. H. SILLITOE Downloaded by [Dalhousie University]...maar-diatreme systems. Key words: circum-Pacific region, epithermal deposits, exploration, giant deposits...principal exploration objectives in the circum-Pacific region and elsewhere. Gold contents of either > 1001 (Singer |  | | 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 |  | | Journal (article/letter/editorial) | | prospects and data with missing values in Abra (Philippines) Emmanuel John M. Carranza a,n, Alice G. Laborte...Rice Research Institute, Los Baños, Laguna, Philippines art ic l e i nf o a b s t r a c t Article...case study, carried out using data from Abra (Philippines), examines (a) if RF modeling can be used for...19 epithermal-Au deposits in the Baguio district of the Philippines (Carranza and Hale, 2000, 2001),...and 12 porphyry-Cu deposits in Abra province of the Philippines (Carranza, 2004). These previous works |
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