 | | Journal (article/letter/editorial) | | 1279–1315 Geology of the Didipio Region and Genesis of the Dinkidi Alkalic Porphyry Cu-Au Deposit and...and Related Pegmatites, Northern Luzon, Philippines ROHAN C. WOLFE* AND DAVID R. COOKE† CODES ARC Centre...Australia Abstract The Dinkidi Cu-Au porphyry deposit, northern Luzon, Philippines, formed at the tip of...of the southward-propagating Cagayan Valley basin in a late Oligocene to early Miocene back-arc setting...outside of British Columbia and eastern Australia. Dinkidi is hosted by the Didipio intrusive complex, which |  | | Journal (article/letter/editorial) | | Geochemistry of Tertiary Igneous Rocks of Northern Luzon, Philippines: Evidence for a Back-Arc Setting for Alkalic...Tasmania 7001, Australia American Exploration (Philippines) Inc., 11th Floor, Pearlbank Center Building...Salcedo Village, Makati City, Metro Manila, Philippines Abstract Oligocene to early Miocene volcanic...Central Cordillera range and Cagayan Valley of northern Luzon, Philippines. Basaltic and andesitic rocks...Cordillera Diorite Complex. In the southern Cagayan Valley the subalkaline to alkaline late Oligocene |  | 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-...Central 6 Cordillera Range and southernmost of Cagayan Valley Basin. In this paper, Cenozoic 7 magmatic |  | | Journal (article/letter/editorial) | | Columbia, Canada (Fig. 1), and the Southwest Pacific region (Australia and Papua New Guinea: Fig. 2). The special... pp. 819–825 0361-0128/14/4212/819-7 Pacific region (Fig. 2). Alkalic porphyry Cu-Au deposits can be...deposits, Papua New Guinea, the Dinkidi Cu-Au porphyry, Philippines, and the Emperor deposit, Fiji (e...USA (Jensen, 2003); the Central Montana alkalic province (Richards, 1995); and the Skouries porphyry Cu-Au...and Porgera epithermal deposits as well as the Dinkidi porphyry Cu-Au deposit are associated with alkaline |  | | Journal (article/letter/editorial) | | Copper, Gold and Silver Mining in the Philippines THE PHILIPPINES is one of the most richly endowed parts...Geosciences, 1986; Fig. 2). Between 2005 and 2009, the Philippines accounted for approximately 1.5 and 0.1 percent...large-scale copper mining operations in the Philippines commenced at Carawisan in 1842 and Mankayan in...two decades. The closure of the Lepanto enargite mine in 1996 (Chang et al., 2011) marked a return to...figures (Fig. 2). Between 2005 and 2009, the Philippines only produced between 0.1 and 0.3 percent of |  | | Book (edition) | | Igneous Rocks from the Five Tectonic Settings Roman Province (Italy): Example from a Continental Arc Setting...Geochemistry of the Potassic Igneous Rocks African Rift Valley (Rwanda. Uganda. Zaire): Example from a Within-Plate...Guinea Emperor Gold Deposit, Viti Levu, Fiji . Dinkidi Copper-Gold Deposit, Didipio, Phillipines . Goonumbla...de la Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . Bingham Copper Deposit, Utah, USA...Lamprophyres . Shoshonitic Lamprophyres from the Superior Province, Canada (Archaean) Introduction Nature of Mesothermal |  | | Book (edition) | | . . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting.... . . . . . . . . . . . . . . 4.5 African Rift Valley (Rwanda, Uganda, Democratic Republic of Congo):...Viti Levu, Fiji. . . . 6.3.3 Dinkidi Copper-Gold Deposit, Didipio, Philippines . . . . . . . . . . . . ....de La Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . 6.4.2 Bingham Copper-Molybdenum...8.5 Shoshonitic Lamprophyres from the Superior Province, Canada (Archean) . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | DAVID MENZIE, U.S. Geological Survey, 12201 Sunrise Valley Drive, Reston, Virginia 20192 AND BYRON R. BERGER...the number of undiscovered deposits. In any given region, some fixed, but in most cases unknown, number...(Singer et al., 2005). Three control areas in the Philippines and four control areas in South America serve...Miocene ( 1) Western Philippines ( 2) Central Philippines ( 3) Eastern Philippines ( 4) Northern Sulawesi...transverse to the trench (e.g., Macolod corridor, Luzon, Philippines). Segmentation can be a reflection of a segmented |  | Lu, Y.-J., Kerrich, R., Kemp, A. I. S., McCuaig, T. C., Hou, Z.-Q., Hart, C. J. R., Li, Z.-X., Cawood, P. A., Bagas, L., Yang, Z.-M., Cliff, J., Belousova, E. A., Jourdan, F., Evans, N. J. (2013) Intracontinental Eocene-Oligocene Porphyry Cu Mineral Systems of Yunnan, Western Yangtze Craton, China: Compositional Characteristics, Sources, and Implications for Continental Collision Metallogeny. Economic Geology, 108 (7) 1541-1576 doi:10.2113/econgeo.108.7.1541 | Journal (article/letter/editorial) | | Yangtze craton, China. The Yao’an monzonite and quartz monzonite porphyry intrusions are alkaline and...margin and the central Asia and western Tethyan region (Sillitoe, 1972, 2010; Richards, 2003; Cooke et...Chung et al., 2005). The Emeishan flood basalt province is also shown in the inset as a shaded field (Emeishan...al., 2004). This complex consists of syenite and quartz monzonite porphyry and comagmatic trachyte with...porphyry Altered syenite porphyry Syenite porphyry Quartz monzonite porphyry Lamprophyre Paleogene sediment |  | | Book (edition) | | . . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting...Potassic Igneous Rocks . . . . 4.5 African Rift Valley (Rwanda, Uganda, Democratic Republic of Congo):...Fiji . . . . . . . . 6.3.3 Dinkidi Copper-Gold Deposit, Didipio, Philippines . . . . . . . . . . . . ....Rica Copper-Gold-Molybdenum Deposit, Catamarca Province, Argentina . . . . . . . . . . . . . . 6.4.2 Bajo...de La Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . . . . . . . . . . . . . 6.4.3 Bingham |  | Cooke, D. R., Wilson, A. J., House, M. J., Wolfe, R. C., Walshe, J. L., Lickfold, V., Crawford, A. J. (2007) Alkalic porphyry Au – Cu and associated mineral deposits of the Ordovician to Early Silurian Macquarie Arc, New South Wales. Australian Journal of Earth Sciences, 54 (2) 445-463 doi:10.1080/08120090601146771 | Journal (article/letter/editorial) | | mineralisation in both districts were centred in and around quartz monzonite porphyry complexes that intruded the...PGE credits. The best-known alkalic porphyry province occurs in British Columbia, Canada (Lang et al...Wales as the world’s second major alkalic porphyry province (Cooke et al. 2004b, 2006) (Table 1). The combined...Lorrainep Other provinces Skouries (Greece)p Dinkidi (Philippines)p Allard (Colorado)p 345 408 516.7 100...(1998) Wolfe (2001) Jensen and Barton (2000) m, mine; p, prospect. In the last ten years, only the recent |  | | Journal (article/letter/editorial) | | Alborz structural zone of NW Iran is related to quartz-monzonite and alkali-granite intrusions that were...and continued throughout the late Eocene. This region is mostly composed of pyroclastic rocks (Karaj...Tarom subzone (nabaTian et al. 2014). The Tarom region includes porphyry, epithermal, iron oxide apatite...mineralization at the Chodarchay is within the mineralized quartz monzonite stock and their host rocks. Alteration...logging has identified intrusive rocks to include quartz monzonite to alkaligranite series and late alkali-granite |  | | Journal (article/letter/editorial) | | Bayugo Porphyry Copper-Gold Deposit, Southern Philippines DAVID BRAXTON1,†,* AND RYAN MATHUR2 1 Anglo ...of the Bayugo porphyry copper-gold deposit (Philippines) show significant isotopic fractionation relative...Boyongan-Bayugo porphyry copper-gold district, Philippines. We examine the copper isotope geochemistry to...crust beneath the Philippines (Fig. 1, inset). To the west, collision of the Philippines with the Eurasia...respectively. East of the central and southern Philippines, the Philippine Sea plate is undergoing subduction |  | | Journal (article/letter/editorial) | | development of potassic alteration and deficiency of quartz gangue, are truly distinctive (Bonham 1988; Jensen...intrusions are typified by potassic alteration, quartz-veinlet stockworks and low-sulphidation state,...Annie Creek, South Dakota Au–Cu Monzodiorite-quartz monzonite porphyry stock Monzonite and latite porphyry...porphyry stocks Monzonite porphyry, quartz monzonite porphyry and phonolite dykes and sills Latite porphyry...dykes Foskorite and carbonatite 2060 intrusions Quartz monzonite and 62 syenite phases of laccolith, |  | | Journal (article/letter/editorial) | | alteration zone, (2) occurrence of stockwork of quartz^magnetite veinlets, (3) copper mineralization,...occurs in the arc systems in the Paci¢c margin (e.g. Luzon, Papua New Guinea), but thus far, no hydrothermal...volcanic front of the arc) and also in the back-arc region (e.g. [9]) associated with more alkaline volcanism...million yr both in the volcanic front and back-arc region [10]. Hydrothermal activity related to the volcanism...volcanotectonic characteristics and history of the back-arc region of the arc are discussed in terms of the 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...sheeted quartz veinlets. The corresponding formation conditions of the shallower and deeper quartz veinlets...Indonesia (Davies et al., 2008) and Acupan, Philippines (Cooke and Bloom, 1990; Cooke et al., 1996); |  | | 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...of the synmineralization intrusions. Rare comb quartz unidirectional solidification textures (stage 0)...transition from magmatic to hydrothermal conditions. Quartz-poor wispy magnetite-biotite-K-feldspar veinlets |  | | Journal (article/letter/editorial) | | attenuated intrusive complex of monzodioritic to quartz monzonitic composition. Distinct styles of veining...alteration and up to four stages of high-grade quartz-magnetite-sulfide veining. Bornite is the most...being associated with chalcopyrite- and pyrite-rich quartz-orthoclase veins. Propylitic and sodic (albite-pyrite)...present, indicating that the fluids from which the quartz veins precipitated did not enter the liquid-vapor...presence of mineralized aplitic vein dikes and comb quartz layering are interpreted to indicate that the early |  | | Report (issue) | | and others, 2007). In the thermal infrared region, quartz and hydrous silica contain emission minima...abundant gangue silicate and oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite...altered rock. Stockworks of veins, predominantly quartz, are a common form of gangue. Veins are often classified...Indonesia, by Arif and Baker (2004). They found gold in quartz veins, attached to sulfide grains, and as free...500°–600ºC). Magmatic fluid inclusions are found in quartz in early veins and show a range of characteristics |  | 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...Au deposits) are intermediate sulfidation state quartz-carbonate-adularia-illite-base metal sulfide veins |  | Voudouris, P. C., Melfos, V., Spry, P. G., Kartal, T., Schleicher, H., Moritz, R., Ortelli, M. (2013) THE PAGONI RACHI/KIRKI Cu-Mo Re Au DEPOSIT, NORTHERN GREECE: MINERALOGICAL AND FLUID INCLUSION CONSTRAINTS ON THE EVOLUTION OF A TELESCOPED PORPHYRY-EPITHERMAL SYSTEM. The Canadian Mineralogist, 51 (2) 253-284 doi:10.3749/canmin.51.2.253 | Journal (article/letter/editorial) | | stock; however, a genetic link to a buried stock of quartz-feldspar porphyry magma beneath Pagoni Rachi cannot...late: (1) sodic/potassic-calcic alteration with quartz- and magnetite-bearing veins (A- and M-type) and...alteration, (2) sodic/potassic alteration with quartz-pyrite-chalcopyrite-molybdenite veins (B-type)...veins (D-type), and (4) argillic alteration with quartz-calcite base metal and precious metal rich veins...area may represent a new Au-Re-Te metallogenetic province. Keywords: Porphyry, epithermal, vapor, hypersaline |  | | Journal (article/letter/editorial) | | lower than 1300 bar (i.e., the region of ore deposition). In this region, the fluid exsolves (heterogenizes)...USA Questa, USA Sungun, Iran Far Southeast, Philippines Bajo de la Alumbrera, Argentina Grasberg, Indonesia...Duobuza, China Mount Leyshon, Australia Dinkidi, Philippines Bingham Canyon, USA Novogodnee Manto, Russia...Mexico Questa, USA Sungun, Iran Far Southeast, Philippines Shotgun, USA Bajo de la Alumbrera, Argentina...Pacific islands (Philippines, Papua New Guinea, and Indonesia). and Pacific islands (Philippines, Papua New |  | Bath, A. B., Cooke, D. R., Friedman, R. M., Faure, K., Kamenetsky, V. S., Tosdal, R. M., Berry, R. F. (2014) Mineralization, U-Pb Geochronology, and Stable Isotope Geochemistry of the Lower Main Zone of the Lorraine Deposit, North-Central British Columbia: A Replacement-Style Alkalic Cu-Au Porphyry. Economic Geology, 109 (4) 979-1004 doi:10.2113/econgeo.109.4.979 | Journal (article/letter/editorial) | | deposits Afton-Ajax Alkalic : Cu-Au Highland Valley Brenda Calc-Alkalic : Cu-Mo-(Au), Cu-Au Katie... Early to mid-Cretaceous Kdg Mesilinka Pluton: quartz diorite, monzodiorite, granodiorite Osilinka intrusions...Thane and Detni plutons: diorite, monzodiorite, quartz monzodiorite TJgd Bi 175(5) 55º55' S 0 uTv...layering have been identified in dikes from the Dinkidi and Boyongan porphyry Cu-Au deposits (Wolfe, 2001;...composition (Bath, 2010) and, notably, contain quartz phenocrysts. These dikes appear to mark the end |  | | Journal (article/letter/editorial) | | orogenic ultrapotassic rocks of the Roman Magmatic Province and of the highly potassic Group II kimberlites...One good example is the Roman Potassic Igneous Province, first considered in 1979 as within-plate, but...alkaline-carbonatite volcano-plutonic complex in the Lucania region, in addition to the Phlegrean Fields (Stoppa et...org/10.1016/j.oregeorev.2019.05.006 0169-1368/ Province (Di Girolamo, 1987, Bull Soc Geol It, v. 106:757–766)...good potential for REE mineralization (the Roman Province is taken up in the next chapter). In this context |  | | Journal (article/letter/editorial) | | of porphyry-style mineralization. Hydrothermal quartz veins host gold mineralization locally. The results...hydrothermal events. The occurrence of CO2 inclusions in quartz from granitoids and the d34S values obtained for...center. Late-stage fluids produced abundant barren quartz veins and clay alteration assemblages. The weak...Tolgoi in 1996, exploration has increased in the region, focusing on alteration zones related to porphyry...undertaken reconnaissance exploration in the Shuteen region, and 1:200,000-scale geologic maps have been compiled |
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