Fournelle, J., Carmody, R., & Daag, A. S. (1996). Anhydrite-bearing pumices from the June 15, 1991, eruption of Mount Pinatubo: geochemistry, mineralogy, and petrology. Fire and Mud: Eruptions and Lahars of Mount Pinatubo, Philippines, 845-862.

Reference Search (possible matching items)

	IMAI, Akira (2002) Metallogenesis of Porphyry Cu Deposits of the Western Luzon Arc, Philippines: K-Ar ages, SO3Contents of Microphenocrystic Apatite and Significance of Intrusive Rocks. Resource Geology, 52 (2) 147-161 doi:10.1111/j.1751-3928.2002.tb00127.x	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...Ma to an active magmatism at Mount Pinatubo. Thus, the western Luzon arc has been generating porphyry
	Midea, William P., Hattori, Keiko, Valera, Gabriel Theophilus V. (2021) Igneous rocks related to porphyry Cu‐Au mineralization at the Dizon mine, Philippines. Resource Geology, 71 (4) 392-408 doi:10.1111/rge.12273	Journal (article/letter/editorial)
	porphyry Cu-Au mineralization at the Dizon mine, Philippines William P. Midea1 \| Keiko Hattori1 \| Gabriel...Sciences, University of the Philippines Diliman, Quezon City, Philippines Correspondence William P. Midea...geothermobarometry, Fe-Ti oxide geothermobarometry, Luzon arc, magma oxidation, magmatic hydrothermal activity...logarithmic units above the fayalite-magnetite-quartz oxygen buffer; Lu et al., 2016; Hattori, 2018)...Au-rich porphyry Cu deposit in the Luzon arc, Philippines. The Luzon arc hosts many young, <10 Ma, porphyry
	Imai, Akira (2004) Variation of Cl and SO3Contents of Microphenocrystic Apatite in Intermediate to Silicic Igneous Rocks of Cenozoic Japanese Island Arcs: Implications for Porphyry Cu Metallogenesis in the Western Pacific Island Arcs. Resource Geology, 54 (3) 357-372 doi:10.1111/j.1751-3928.2004.tb00211.x	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...present-day volcanism at Mount Pinatubo. The accessory apatite in intrusive rocks associated with porphyry
	IMAI, Akira (2000) Mineral Paragenesis, Fluid Inclusions and Sulfur Isotope Systematics of the Lepanto Far Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines. Resource Geology, 50 (3) 151-168 doi:10.1111/j.1751-3928.2000.tb00065.x	Journal (article/letter/editorial)
	Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines Akira IMAI Abstract: The Lepanto Far Southeast...Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists of potassic alteration...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
	de Hoog, J. C. M., Hattori, K. H., Hoblitt, R. P. (2004) Oxidized sulfur-rich mafic magma at Mount Pinatubo, Philippines. Contributions to Mineralogy and Petrology, 146 (6) 750-761 doi:10.1007/s00410-003-0532-4	Journal (article/letter/editorial)
	Oxidized sulfur-rich mafic magma at Mount Pinatubo, Philippines Received: 16 January 2003 / Accepted:...early stages of the 1991 eruption of Mount Pinatubo, Philippines, contain amphiboles that crystallized...releasing sulfur from the melt are not applicable to Pinatubo. Instead, the oxidized state of the dacitic magma...reﬂects that of parental maﬁc magma and the source region in the sub-arc mantle. Our results ﬁt a model in...disproportionate sulfur output during the 1991 Mt. Pinatubo eruption suggests that oxidized maﬁc melt is an
	Hattori, Kéiko H., Keith, Jeffrey D. (2001) Contribution of mafic melt to porphyry copper mineralization: evidence from Mount Pinatubo, Philippines, and Bingham Canyon, Utah, USA. Mineralium Deposita, 36 (8) 799-806 doi:10.1007/s001260100209	Journal (article/letter/editorial)
	copper mineralization: evidence from Mount Pinatubo, Philippines, and Bingham Canyon, Utah, USA Received:...2001 Ó Springer-Verlag 2001 Abstract Mount Pinatubo in the Philippines, known for its cataclysmic eruption...isotope values of 0& for large deposits. Mount Pinatubo is famous for the cataclysmic eruption of June...melt Pinatubo Mount Pinatubo is located in the Bataan arc in western Luzon Island, Philippines (Fig....Southeast and Santo Tomas II mines (Fig. 1a). Mount Pinatubo itself hosts several porphyry copper±gold deposits
	Oyarzun, Roberto, Márquez, Alvaro, Lillo, Javier, López, Ivan, Rivera, Sergio (2001) Giant versus small porphyry copper deposits of Cenozoic age in northern Chile: adakitic versus normal calc-alkaline magmatism. Mineralium Deposita, 36 (8) 794-798 doi:10.1007/s001260100205	Journal (article/letter/editorial)
	1991 anhydrite-rich dacitic pumice of Mount Pinatubo, Philippines; this volcanic eruption led to massive...turn, be regarded as the plutonic equivalents to Pinatubo-type volcanic rocks (Pasteris 1996). Porphyry...temperatures above the stability ®eld of pyrite (e.g., Mount Pinatubo; Imai et al. 1996), the dominant sulfur mineral...Rye (1993); Imai et al. (1996). L Luzon porphyries; P Mount Pinatubo; Ch El ChichoÂn; H hematite; S sulfur;...sulfur; M magnetite, Po pyrrhotite; Py pyrite; Q quartz; F fayalite, NO nickel oxide; N nickel 796 The
	Jego, Sebastien, Maury, René C., Polvé, Mireille, Yumul, Graciano P., Bellon, Herve, Tamayo, Rodolfo A., Cotten, Joseph (2005) Geochemistry of Adakites from the Philippines: Constraints on Their Origins. Resource Geology, 55 (3) 163-188 doi:10.1111/j.1751-3928.2005.tb00239.x	Journal (article/letter/editorial)
	163–187, 2005 Geochemistry of Adakites from the Philippines: Constraints on Their Origins Sebastien JEGO...Sciences, University of the Philippines, Diliman, 1101 Quezon City, Philippines **** Philippine Council for...Development-DOST, Gen. Santos Avenue, Bicutan, 1631 Taguig, Philippines Received on April 1, 2005; accepted on July 12...along the Manila Trench (Batan, Northern Luzon, Central Luzon), the Negros and Sulu Trenches (Negros and...Philippine Trench (Eastern Mindanao). Lavas from Central Mindanao overlie the deep remnants of the Molucca
	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)
	element geochemistry of the 1991 Mt. Pinatubo silicic melts, Philippines: Implications for ore-forming potential...2006 Abstract The dacite pumice erupted from Mt. Pinatubo on June 15, 1991 (whole-rock, rhyolitic groundmass...minimum of 100 t Au and 5 · 105 t Cu from the Mt. Pinatubo magma. Our data suggest that intrusives having...Cl, Sr/Y, Pb/Ce, Mo/Ce, As/Ce and Sb/Ce in Mt. Pinatubo melts reﬂect the contribution of deep ﬂuids derived...et al., Trace element geochemistry of the Mt. Pinatubo silicic melts 1997; Mungall, 2002). Understanding
	Payot, Betchaida, Arai, Shoji, Yoshikawa, Masako, Tamura, Akihiro, Okuno, Mitsuru, Rivera, Danikko (2018) Mantle Evolution from Ocean to Arc: The Record in Spinel Peridotite Xenoliths in Mt. Pinatubo, Philippines. Minerals, 8 (11) 515 doi:10.3390/min8110515	Journal (article/letter/editorial)
	Record in Spinel Peridotite Xenoliths in Mt. Pinatubo, Philippines Betchaida D. Payot 1, , Shoji Arai 2 ,...Sciences, University of the Philippines, Diliman, Quezon City 1101, Philippines* Department of Earth Sciences...Volcanology and Seismology, Diliman, Quezon City 1101, Philippines; danikkorivera@gmail.com Correspondence: bdpayot@up...flow deposits located close to the summit of Mt. Pinatubo. Spinel harzburgite is the most dominant lithology...mantle wedge. Keywords: xenoliths; Mt. Pinatubo; Philippines; mantle wedge; abyssal lherzolite; arc harzburgite
	Yoshikawa, Masako, Tamura, Akihiro, Arai, Shoji, Kawamoto, Tatsuhiko, Payot, Betchaida D., Rivera, Danikko John, Bariso, Ericson B., Mirabueno, Ma. Hannah T., Okuno, Mitsuru, Kobayashi, Tetsuo (2016) Aqueous fluids and sedimentary melts as agents for mantle wedge metasomatism, as inferred from peridotite xenoliths at Pinatubo and Iraya volcanoes, Luzon arc, Philippines. Lithos, 262. 355-368 doi:10.1016/j.lithos.2016.07.008	Journal (article/letter/editorial)
	peridotite xenoliths at Pinatubo and Iraya volcanoes, Luzon arc, Philippines Masako Yoshikawa, Akihiro...peridotite xenoliths at Pinatubo and Iraya volcanoes, Luzon arc, Philippines, LITHOS (2016), doi: 10...R Philippines IP as inferred from peridotite xenoliths at Pinatubo and Iraya volcanoes, Luzon arc...Volcanology and Seismology (PHIVOLCS), Quezon City, Philippines d Faculty of Science, Fukuoka University, Fukuoka...Sciences, University of the Philippines, Diliman, Quezon City 1101, Philippines Christchurch City Council
	Jégo, Sébastien, Pichavant, Michel, Mavrogenes, John A. (2010) Controls on gold solubility in arc magmas: An experimental study at 1000°C and 4kbar. Geochimica et Cosmochimica Acta, 74 (7) 2165-2189 doi:10.1016/j.gca.2010.01.012	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...rocks selected all come from this recent North Luzon magmatism. They have ages < 3 Ma (Table 1). Diorite
	Gregoire, M., Jego, S., Maury, R.C., Polve, M., Payot, B., Tamayo, R.A., Yumul, G.P. (2008) Metasomatic interactions between slab-derived melts and depleted mantle: Insights from xenoliths within Monglo adakite (Luzon arc, Philippines) Lithos, 103 (3) 415-430 doi:10.1016/j.lithos.2007.10.013	Journal (article/letter/editorial)
	Insights from xenoliths within Monglo adakite (Luzon arc, Philippines) M. Gregoire a,⁎, S. Jego b , R.C. Maury...Sciences, University of the Philippines, Diliman, 1101 Quezon City, Philippines f Philippine Council for...Development-DOST, Gen. Santos Avenue, Bicutan, 1631 Taguig, Philippines Received 21 June 2007; accepted 24 October 2007...supra-subduction zone ophiolitic complex located within the Luzon arc crust. Spinel-bearing dunites are dominant among...All rights reserved. Keywords: Mantle xenoliths; Luzon arc; Metasomatism; Dunite; Trace elements; Adakite
	*Smith, Warren D. (1913) The Geology of Luzon, P.I. The Journal of Geology, 21 (1) 29-61 doi:10.1086/622038*	Journal (article/letter/editorial)
	THE GEOLOGY OF LUZON, P.I. WARREN D. SMITH, PH.D. Chief of Division of Mines, Bureau of Science, Manila...INTRODUCTION PHYSIOGRAPHY The CoastalPlains The Central Plain The Albay Plain The Intermediate Uplands...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
	Jakubowski, Ryan T., Fournelle, John, Welch, Sue, Swope, R. J., Camus, Patrick (2002) Evidence for magmatic vapor deposition of anhydrite prior to the 1991 climactic eruption of Mount Pinatubo, Philippines. American Mineralogist, 87 (8) 1029-1045 doi:10.2138/am-2002-8-901	Journal (article/letter/editorial)
	prior to the 1991 climactic eruption of Mount Pinatubo, Philippines RYAN T. JAKUBOWSKI,1,* JOHN FOURNELLE...ABSTRACT Anhydrite (CaSO4) phenocrysts from Mount Pinatubo pumices show evidence of having responded dynamically...the magma at depth. At least a portion of the Pinatubo anhydrite phenocrysts provided substrates for...such as Nevado del Ruiz (Fournelle 1990) and Mount Pinatubo. It has been predicted experimentally that...1984). Mount Pinatubo pumice: chemistry and mineralogy Beginning in mid-March 1991, Mt. Pinatubo, a composite
	Barth, Andrew P., Dorais, Michael J. (2000) Magmatic anhydrite in granitic rocks: First occurrence and potential petrologic consequences. American Mineralogist, 85 (3) 430-435 doi:10.2138/am-2000-0404	Journal (article/letter/editorial)
	understanding volatile enrichment mechanisms is central to understanding the driving forces of explosive...by the eruptions of El Chichón in 1982 and Mount Pinatubo in 1991. In both of these events, gases and...(Williams et al. 1990), or Mount Pinatubo (Westrich and Gerlach 1992). Mount Pinatubo injected an estimated...systems such as El Chichón, Nevado del Ruiz, and Mount Pinatubo. GEOLOGY OF GRANITIC ROCKS IN THE CAJON PASS...Scientific Drillhole (Federal 2-26) was drilled in the central Transverse Ranges of southern California. The Transverse
	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
	Hedenquist, Jeffrey W., Arribas R., Antonio, Aoki, Masahiro (2017) Zonation of Sulfate and Sulfide Minerals and Isotopic Composition in the Far Southeast Porphyry and Lepanto Epithermal Cu-Au Deposits, Philippines. Resource Geology, 67 (2) 174-196 doi:10.1111/rge.12127	Journal (article/letter/editorial)
	Porphyry and Lepanto Epithermal Cu–Au Deposits, Philippines Jeffrey W. HEDENQUIST,1,2 Antonio ARRIBAS R.1...world-class Far Southeast (FSE) porphyry system, Philippines, includes the FSE Cu–Au porphyry deposit, the...altered syn-mineral intrusions is 2.0 permil. Stage 1 quartz–alunite–pyrite of the Lepanto lithocap, above about...enargite. 1. Introduction Bodies of leached residual quartz, with alteration halos of advanced argillic minerals...the Mankayan mineral district of northern Luzon, Philippines (Hedenquist et al., 1998). The Lepanto high-sulﬁdation
	de Ignacio, Cristina, Castiñeiras, Pedro, Márquez, Álvaro, Oyarzun, Roberto, Lillo, Javier, López, Iván (2003) El Chichón Volcano (Chiapas Volcanic Belt, Mexico) Transitional Calc-Alkaline to Adakitic-Like Magmatism: Petrologic and Tectonic Implications. International Geology Review, 45 (11) 1020-1028 doi:10.2747/0020-6814.45.11.1020	Journal (article/letter/editorial)
	much resembling adakitic magmas (e.g., the 1991 Pinatubo eruption). We propose that these rocks were generated... 1987; Fig. 1A). In contrast with the typical Central America volcanic arc, the Chiapas volcanic belt...0020-6814/03/700/1020-9 $25.00 canic belt from the westernmost Central American volcanoes and from the Mexican volcanic...the atmosphere (compared with 20 Mt of SO2 by Mount Pinatubo in 1991; Pasteris, 1996). Another remarkable...setting of volcanic belts in southern Mexico and Central America. See location of the Chiapas volcanic belt
	AUDETAT, A (2004) Magmatic anhydrite and calcite in the ore-forming quartz-monzodiorite magma at Santa Rita, New Mexico (USA): genetic constraints on porphyry-Cu mineralization. Lithos, 72 (3) 147-161 doi:10.1016/j.lithos.2003.10.003	Journal (article/letter/editorial)
	Magmatic anhydrite and calcite in the ore-forming quartz-monzodiorite magma at Santa Rita, New Mexico (USA):...November 2002; accepted 7 October 2003 Abstract A quartz-monzodioritic dike associated with the porphyry-Cu...assemblage of amphibole, plagioclase (An30 – 50), quartz, biotite, sphene, magnetite, and apatite, plus...(1 – 2 vol.%), but later was replaced by either quartz or calcite. Hornblende – plagioclase thermobarometry...intact calcite inclusions within quartz phenocrysts. The assemblage quartz + sphene + magnetite + Mg-rich
	Métrich, Nicole, Schiano, Pierre, Clocchiatti, Robert, Maury, René C (1999) Transfer of sulfur in subduction settings: an example from Batan Island (Luzon volcanic arc, Philippines) Earth and Planetary Science Letters, 167 (1) 1-14 doi:10.1016/s0012-821x(99)00009-6	Journal (article/letter/editorial)
	settings: an example from Batan Island (Luzon volcanic arc, Philippines) Nicole Métrich a,Ł , Pierre Schiano...atmosphere (e.g., El Chichon in Mexico, Pinatubo in Philippines, Redoubt in Alaska). These high sulfur... from Batan Island in the northern part of the Luzon arc. This volcanic arc is related to the eastward...temperature evolution has been widely studied in quartz [35–39]. Chemical modifications in the fluids and...transformation of the angular walls of the cavities in quartz [38]. Systematic experiments and observations of
	Peate, David W., Falkena, Lee, Kent, Adam J.R. (2009) Pb isotope variations in hydrogenetic Fe–Mn crusts from the Izu–Bonin fore-arc. Chemical Geology, 258 (3) 288-298 doi:10.1016/j.chemgeo.2008.10.031	Journal (article/letter/editorial)
	escarpment of the Bonin Ridge in the Izu–Bonin fore-arc region (dive site #824: 28.612°N, 141.803°E) at water...mechanism to explain the Pb isotope composition of Central Paciﬁc deep water. However, the Izu–Bonin crusts...water is advected from the south, outboard of the Luzon–Ryukyu–Honshu arc system, it is progressively polluted...composition of deep water in the Izu–Bonin fore-arc region of the western Paciﬁc Ocean over the last 4–8 Ma...rims have compositions similar to crusts from the central Western Paciﬁc. © 2008 Elsevier B.V. All rights
	Ishihara, Shunso, Robb, Laurence J., Anhaeusser, Carl R., Imai, Akira (2002) Granitoid Series in Terms of Magnetic Susceptibility: A Case Study from the Barberton Region, South Africa. Gondwana Research, 5 (3) 581-589 doi:10.1016/s1342-937x(05)70630-4	Journal (article/letter/editorial)
	Susceptibility:A Case Study from the Barberton Region, South Africa Shunso Ishiharal, Laurence J. Robb2...collection of Archaean granitoids of the Barberton region using a portable KT5 magnetic susceptibilitymeter...entire range of Archaean granitoids in the Barberton region, housed at the Economic Geology Research Institute...ILMENITE SERIES Fig. 1. Geologic map of the Barberton region (after Anhaeusser and Robb, 1980, slightly modified)...superceded the widespread TTG plutonism in the region was characterised by emplacement of large, multicomponent
	Scaillet, B., Evans, B. W. (1999) The 15 June 1991 Eruption of Mount Pinatubo. I. Phase Equilibria and Pre-eruption P-T-fO2-fH2O Conditions of the Dacite Magma. Journal of Petrology, 40 (3) 381-411 doi:10.1093/petroj/40.3.381	Journal (article/letter/editorial)
	381–411 1999 The 15 June 1991 Eruption of Mount Pinatubo. I. Phase Equilibria and Pre-eruption P–T–f...ejected during the 15 June 1991 eruption of Mt Pinatubo, to define the pre-eruption conditions of this...the dacite was already oxidized. KEY WORDS: Pinatubo; sulfur; arc-magmas; f O2; water INTRODUCTION...Mt) ejected in the 15 June 1991 eruption of Mount Pinatubo and the ensuing climatic effects (Bluth et...of S-bearing phase relations in arc magmas. The Pinatubo volcano ejected between 6000 and 10 000 Mt of
	XIAO, Bo, QIN, Kezhang, LI, Guangming, LI, Jinxiang, XIA, Daixiang, CHEN, Lei, ZHAO, Junxing (2012) Highly Oxidized Magma and Fluid Evolution of Miocene Qulong Giant Porphyry Cu-Mo Deposit, Southern Tibet, China. Resource Geology, 62 (1) 4-18 doi:10.1111/j.1751-3928.2011.00177.x	Journal (article/letter/editorial)
	interstitial minerals between plagioclase and quartz, and phenocrysts in unaltered granodiorite porphyry...main types of fluid inclusions are observed in the quartz phenocrysts and veins in the porphyry: (i) liquid-rich;...salinities of all type inclusions decrease from the quartz phenocrysts in the porphyry to hydrothermal veins...in Mexico (Luhr et al., 1984) and Mount Pinatubo in the Philippines (Bernard et al., 1991). The Qulong...of Lhasa city, the capital of Tibet Autonomous Region and 45 km north of the YarlungTsangpo River (the

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Quartz from Mount Pinatubo, Central Luzon Region, Luzon, Philippines

Quartz from
Mount Pinatubo, Central Luzon Region, Luzon, Philippines