| | 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...quartz-anhydrite stockworks are chalcopyrite and pyrite with minor bornite and Bi-Te-bearing tennantite...tennantite, with trace of native gold. Rounded pyrite grains appear fractured and corroded and are interpreted | | | Journal (article/letter/editorial) | Communication Pyrite Disease in Luzonite from the Lepanto Cu-Au Deposit, Mankayan, Philippines: Further Example...fine-grained pyrite blebs to dusts occurring in luzonite, hereafter referred as pyrite disease in luzonite...luzonite, is going to be described here. The pyrite disease in luzonite appears texturally similar to chalcopyrite...occurrence and paragenesis of the pyrite disease in luzonite from the Lepanto mine, a high-sulfidation (Hedenquist...deposit at Mankayan, Benguet Province, northern Luzon, Fig. 1 Geologic outline map around the Lepanto deposit | | Arellano, Creszyl Joy J., Armada, Leo T., Dimalanta, Carla B., QueaƱo, 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 | | | 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...environment. The ore stage at Lepanto consists of enargite-luzonite (Cu,As&), pyrite, tennantitetetrahedrite...fluids from the same locations. Several samples of pyrite are also transparent to IR radiation, and show...mineralizing fluid of the Lepanto deposit. As this liquid moved to the northwest along the Lepanto fault, it was | | | Journal (article/letter/editorial) | ELEMENT GEOCHEMISTRY OF ENARGITE IN THE MANKAYAN DISTRICT, PHILIPPINES C. L. DEYELLā ,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 (Ā± 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 | | 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) | QUARTZ-PYRITE-GOLD VEINS: IMPLICATIONS FOR MULTIPLE MINERALIZATION EVENTS AT LEPANTO, MANKAYAN MINERAL...MINERAL DISTRICT, NORTHERN LUZON, PHILIPPINES Pearlyn C. Manalo,1,ā Akira Imai,1,2 Leo L. Subang,3 Mervin C...819-0395, Japan 3 Lepanto Consolidated Mining Company, Makati City 1226, Philippines 4 Faculty of Engineering...quartz-pyrite-gold veins are situated 500 m east of the Lepanto fault in Mankayan, Luzon, Philippines. Most...Most vein mineralization is hosted by the Lepanto metavolcanic basement rocks at an elevation between | | 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) | 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 (10.5Ā±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) | 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...enargite-luzonite-pyrite assemblage. Subsequent decrease in the fS2 formed the chalcopyrite-tennantite-pyrite assemblage | | | 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...veinlets with chalcopyrite and pyrite associated with Au and chalcopyrite and pyrite stringers in sericite alteration...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) | | 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,ā ...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,ā 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 Councilās...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 | | | Journal (article/letter/editorial) | Far Southeast Porphyry and Lepanto Epithermal CuāAu Deposits, Philippines Jeffrey W. HEDENQUIST,1,2 Antonio...porphyry system, Philippines, includes the FSE CuāAu porphyry deposit, the Lepanto CuāAu high-sulļ¬dation...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) | lode deposits such as Chinkuashih, Taiwan, Lepanto, Philippines, and Goldļ¬eld, Nevada, formed within 1500...minerals and minor pyrite. The succeeding ore stages typically commenced with pyrite that is sometimes...later discussion ā Chinkuashih, Taiwan, Lepanto, Philippines, and Goldļ¬eld, Nevada ā we show that while...astride a collisional plate boundary where the Luzon arc of the Philippine Sea plate obliquely collides...m (Huang, 1960). 2.1.2. Lepanto, Mankayan district, Philippines The Lepanto high-sulļ¬dation deposit, | | 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,ā 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 | | 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 | | | 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...somedepositsalso contain commercialquantities of magnetite, pyrite, molybdenite,gold and silver. Secondary quartz | | 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-sulļ¬dation epithermal gold orebodies in the Mankayan Mineral District were formed in an environment...orebodies, which are located in the south of the Lepanto main enargiteāgold orebody. The gold-bearing epithermal...quartzāpyriteāgold (QPG) veins. The two types of veins are mainly hosted by the Cretaceous Lepanto Metavolcanics | | | 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 | | | 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...the development of a mine in Panay Island in 1842, and another (now the Lepanto Mining) north of Baguio...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) | is known to discoveries in the geology of the Philippines which are me. The first discovery of coal in...then lignitic Minas) but not published, manuscript mine reports by beds have been found on the isl&-nd at...Spaniards. Coal, g old, copper, lead, iron., sulphur, Luzon .ļæ½ ...-" ā¢ . . . ā¢ . . 18 40 There are known to...in the 12 37 M.rble. Romblon ......... western province called Zamboanga, on the Gulf of 12 36 Coal, g...They are also apt to contain much sulphur, as iron pyrite, rendering them subject to spontaneous combustion | | | Journal (article/letter/editorial) | is known to discoveries in the geology of the Philippines which are me. The first discovery of coal in...then lignitic Minas) but not published, manuscript mine reports by beds have been found on the isl&-nd at...Spaniards. Coal, g old, copper, lead, iron., sulphur, Luzon .ļæ½ ...-" ā¢ . . . ā¢ . . 18 40 There are known to...in the 12 37 M.rble. Romblon ......... western province called Zamboanga, on the Gulf of 12 36 Coal, g...They are also apt to contain much sulphur, as iron pyrite, rendering them subject to spontaneous combustion | | | Book | ............... 61 ļ¼ The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M Robertson...Agua Rica Porphyry Cu-Mo-Au Depositļ¼Catamarca 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) | System: Far Southeast-Lepanto Porphyry andEpithermal Cu-AuDeposits, Philippines JEFFREY W. HEDENQUIST...betterdemonstratedthanin the Mankayan districtof northern Luzon,Philippines, wherethe Lepantohigh-sulfidation...euhedral quartzveinscontain anhydrite-white mica-pyrite _+chalcop)q'ite _+bornRe andhavehalosof sericite;...fromtheporphyry. Epithermal oreconsists ofstage 1 euhedral pyrite-enargite-luzonite, andsubsequent stage 2 Auisaccompanied...thegeology, alteration zoning,andoreparaThE Philippines represents oneof theworld'slargeporphyry genesis | | | Journal (article/letter/editorial) | was demonstrated at the Lepanto-Far Southeast mineral system in the Philippines (Arribas et al., 1995;...wide) consisting of kaolinite, dickite, alunite, pyrite, and goethite. Muta (1952) concluded that the alteration...alunite and quartz and a small amount of diaspore, pyrite, and goethite. This style of gold mineralization...kaolinite-group minerals, pyrophyllite, alunite, and pyrite) is consistent with the advanced argillic alteration...chlorite, and pyrite) and āpropylitized zoneā (quartz, montmorillonite, calcite, epidote, and pyrite, with plagioclase) |
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