 | Jego, Sebastien, Maury, RenĂ© C., PolvĂ©, 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) | | 163â187, 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 |  | | 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superceded the widespread TTG plutonism in the region was characterised by emplacement of large, multicomponent |  | | Journal (article/letter/editorial) | | S as SO2â (Fig. 2). For example, Mount Pinatubo in the 4 Philippines is well known for its anhydrite phenocrysts...its ïŹank (Hattori & Keith, 2001). Magmas for the Pinatubo eruption products had high fO2, above FMQ + 2...geothermobarometry by Zhang and AudĂ©tat (2017); Pinatubo from Hattori (1993), Scaillet and Evans (1999)...Meyers and Eugster (1983). The boundary between titanite (sphene, Ttn) + magnetite (Mag) + quartz (Qz)...submarine volcanic rocks, forming the Green Tuff region of propylitic alteration from Hokkaido to Kyushu |  | | Journal (article/letter/editorial) | | by Jones et al. (1967). Igneous activity in the region began in the Late Cretaceous with the intrusion...intergrowths similar to those described from Mt. Pinatubo (Baker and Rutherford, 1996; Pallister et al....a laboratory experiment of anhydrite-saturated Pinatubo dacite at 760 jC, 2200 bar, and MNO-buffered oxygen...ââSR8ââ-similar experimental run products of Mt. Pinatubo dacite with the assemblage hornblende + magnetite...comparison, the sulfur-rich magmas erupted from Mt. Pinatubo and El ChichoÌn contained 1000â 4000 and 5000 |  | Cao, MingJian, Hollings, Pete, Cooke, David R., Evans, Noreen J., McInnes, Brent I.A., Qin, KeZhang, Li, GuangMing, Sweet, Gabe, Baker, Mike (2018) Physicochemical Processes in the Magma Chamber under the Black Mountain Porphyry Cu-Au Deposit, Philippines: Insights from Mineral Chemistry and Implications for Mineralization. Economic Geology, 113 (1) 63-82 doi:10.5382/econgeo.2018.4544 | Journal (article/letter/editorial) | | under the Black Mountain Porphyry Cu-Au Deposit, Philippines: Insights from Mineral Chemistry and Implications...deposit in the Baguio district, Northern Luzon (Philippines) is associated with late Miocene to Pliocene...Introduction The Baguio district of Northern Luzon, Philippines (Fig. 1A) is considered one of the worldâs...Yonsei University user 64 CAO ET AL. 18O 120O Luzon 123O Fig.B Manila 126O A 120O32' 120O34'...granodiorite Pliocene & Pleistocene intrusions Central Cordillera diorite complex Mafic Dike complex |  | Schaarschmidt, Anna, Klemd, Reiner, Regelous, Marcel, Voudouris, Panagiotis C., Melfos, Vasilios, Haase, Karsten M. (2021) The formation of shoshonitic magma and its relationship to porphyry-type mineralisation: the Maronia pluton in NE Greece. Lithos, 380. 105911pp. doi:10.1016/j.lithos.2020.105911 | Journal (article/letter/editorial) | | beneath Eurasia since the Cretaceous, and the Aegean region (Fig. 1) has been extending since ïŸ35 Ma due na...Oligocene sediments and volcanic rocks in the central part and by greenschist-facies rocks of the Circum...apatite, amphibole, zircon, magnetite, ilmenite, titanite, and minor quartz, orthopyroxene and chalcopyrite... plagioclase, K-feldspar, apatite, zircon and titanite, with secondary chlorite, sericite and pyrite...clinopyroxene, apatite, magnetite, ilmenite and titanite, and secondary chlorite, white mica, calcite and |  | | Journal (article/letter/editorial) | | , 2009). The Caraja€s province is part of the Central Amazonian province (Tassinari & Macambira, 2004)...minerals includes zircon, apatite, magnetite, titanite, and allanite. In the granodiorites, Fe^Ti oxide...replaced by late magmatic biotite and subordinate titanite and epidote. Plagioclase is euhedral to subeuhedral... 3·3 0·6 2·3 1·1 0·8 â n.d. 0·1 n.d. Titanite 0·6 0·2 0·3 0·2 0·4 0·2 0·1 0·1 0·6 ...epidote. The accessory minerals are allanite, titanite, magnetite, and apatite. The gray layers also |  | | Journal (article/letter/editorial) | | radiative forcing following the 1991 eruption of Mt. Pinatubo, resulting from the worldwide distribution of...a tephra layer that is widely dispersed across central Europe (Bogaard and Schmincke 1984, 1985; Bogaard...Areal distribution of Laacher See Tephra (LST) in central Europe (Bogaard and Schmincke 1985). Stratigraphic... hauyne, plagioclase, sanidine, magnetite and titanite; Fig. 3). In LLST and MLST A/B, however, most... 8 6 8 10 12 K2O (wt%) Na2O (wt%) GI in titanite 10 K2O (wt%) 12 GI in sanidine GI in amphibole |  | | Journal (article/letter/editorial) | | including apatite, amphibole, plagioclase, quartz, and titanite. In total, anhydrite inclusions were present in...number of recent eruptions, including Mount Lamington, Pinatubo, Lascar, Shiveluch, and Augustine (Arculus...including amphibole, plagioclase, clinopyroxene, titanite, and apatite. Crystal separates were mounted in...hosted in apatite but were also found in amphibole, titanite, quartz, and Table 1. List of Anhydrite-Bearing...Porphyritic Apatite dike Amphibole Titanite 1 1 1 Yerington (Nevada) 11N 317338 4314977 |  | Wang, Minfang, Gutzmer, Jens, Michalak, Przemyslaw P., Guo, Xiaonan, Xiao, Fan, Wang, Wei, Liu, Kun (2014) PGE geochemistry of the Fengshan porphyryâskarn CuâMo deposit, Hubei Province, Eastern China. Ore Geology Reviews, 56. 1-12 doi:10.1016/j.oregeorev.2013.07.006 | Journal (article/letter/editorial) | | Elatsite in Bulgaria, and Santo Tomas II in the Philippines, etc. (Economou-Eliopoulos, 2010; Mutschler et...minerals, mainly magnetite, apatite, zircon and titanite, which occur both as phenocrysts and in the matrix... Potassic alteration is present mostly in the central part of the granodiorite. It is represented by...in the Fengshan deposit. In summary, from the central part of the granodiorite outward, it developed...indicated by the assemblage of quartzâmagnetiteâtitanite in the Fengshan granodiorite and the compositions |  | | Journal (article/letter/editorial) | | (Luhr et al., 1984) and eruption of Mt. Pinatubo (Philippines) in 1991 showed that IP anhydrite is a...phase (de Hoog, 2004). Stability of anhydrite in Pinatubo dacite was CR also experimentally demonstrated...(Jugo et al., 2010) of melt inclusions of Mt. Pinatubo and in basalts from Cascades Range, Oregon. Furthermore...given SO2 injection in the stratosphere by the Pinatubo eruption and formation of acidic aerosols led...the oxidized nature of its starting condition. Titanite was present in the runs with BA+5%Anh because |  | | Journal (article/letter/editorial) | | lavas; EL= El Chicon NR = Navada del Ruiz P = Pinatubo 0 EL NR P +2 +4 +6 40 -2 Arc Basalt Measured...many oxidized, erupted arc magma such as Pinatubo, Philippines (Bernard et al. 1991) or El ChichĂłn, Mexico...et al. 2012). This even seems to be true for Mount Pinatubo, where sulphate is clearly the stable sulphur-bearing...clinopyroxene (cpx), magnetite (mag), Fe-sulphide (sulph), titanite (ttn), anhydrite (anh). The number in a bracket...magnetite plagioclase amphibole clinopyroxene titanite garnet anhydrite pyrrhotite Fig. 3ââPhase relations |  | | Journal (article/letter/editorial) | | Canyon Tuff from Johnson & Rutherford (1989b); Pinatubo dacite from Scaillet & Evans (1999); Mt. PeleÌe...Lyngdal 98N50 98N06 MB99N32 Etendeka Fish Pinatubo Mt. PeleÌe quartz latite quartz latite Canyon...Canyon Tuff from Johnson & Rutherford (1989b); Pinatubo dacite from Pallister et al. (1996); Mt. PeleÌe...Accessory minerals are FeâTi oxides, apatite, zircon, titanite and allanite. The rocks are usually porphyritic...accessory minerals (apatite, zircon, allanite, titanite) or as sub-to euhedral grains (Fig. 3a), sometimes |  | | Report (chapter) | | mineralization in the Karacaali Magmatic Complex, central Anatolia, Turkey OKAN DELIBAŞ1*, YURDAL GENÇ1...calc-alkaline Karacaali Magmatic Complex (KMC), in the Central Anatolian Crystalline Complex, is an example of...available at http://www.geolsoc.org.uk/SUP18434. The Central Anatolian Crystalline Complex (CACC) (GoÌncuÌogÌlu...et al. 2001; IÌlbeyli et al. 2004) situated in central Turkey, east of Ankara (Fig. 1). This crustal segment...IÌlbeyli 2005). Since Early Cretaceous times this region is thought to have undergone a complex magmatic |  | Kiss, BalĂĄzs, Harangi, Szabolcs, Ntaflos, Theodoros, Mason, Paul R. D., PĂĄl-MolnĂĄr, ElemĂ©r (2014) Amphibole perspective to unravel pre-eruptive processes and conditions in volcanic plumbing systems beneath intermediate arc volcanoes: a case study from Ciomadul volcano (SE Carpathians) Contributions to Mineralogy and Petrology, 167 (3) doi:10.1007/s00410-014-0986-6 | Journal (article/letter/editorial) | | the youngest volcano in the CarpathianâPannonian region produced crystal-rich high-K dacites that contain...is the youngest volcano of CarpathianâPannonian region and referred as a potentially active volcano (SzakaÌcs...the southeastern edge of the CarpathianâPannonian region, and this is the youngest 123 Contrib Mineral...sketch map of the CarpathianâPannonian region in Eastern-Central Europe. The cross-hatched areas show the...microinclusion) that also contain plagioclase, titanite (tit), zircon (zrn), and intersticial glass; pargasite |  | Apukhtina, Olga B., Kamenetsky, Vadim S., Ehrig, Kathy, Kamenetsky, Maya B., McPhie, Jocelyn, Maas, Roland, Meffre, Sebastien, Goemann, Karsten, Rodemann, Thomas, Cook, Nigel J., Ciobanu, Cristiana L. (2016) Postmagmatic magnetiteâapatite assemblage in mafic intrusions: a case study of dolerite at Olympic Dam, South Australia. Contributions to Mineralogy and Petrology, 171 (1) doi:10.1007/s00410-015-1215-7 | Journal (article/letter/editorial) | | Ti-magnetiteâilmenite is partially to completely transformed to titanite and magmatic apatite disappears. We conclude that...magnetiteâapatite veins. Uranium-Pb ages for vein apatite and titanite associated with the vein in this case study suggest...Melbourne, Parkville, VIC 3010, Australia 4 Central Science Laboratory, University of Tasmania, Hobart...postulated to be either magmatic (e.g., deposits in Central Sweden, Jonsson et al. 2013) or magmatic-hydrothermal...the vein magnetite and quartz were performed in Central Science Laboratory (CSL, University of Tasmania |  | Buret, Yannick, von Quadt, Albrecht, Heinrich, Christoph, Selby, David, WĂ€lle, Markus, Peytcheva, Irena (2016) From a long-lived upper-crustal magma chamber to rapid porphyry copper emplacement: Reading the geochemistry of zircon crystals at Bajo de la Alumbrera (NW Argentina) Earth and Planetary Science Letters, 450. 120-131 doi:10.1016/j.epsl.2016.06.017 | Journal (article/letter/editorial) | | geochemical record of this large magmatic source region, as well as constraining the time-scales for creating...fractional crystallisation trend dominated by titanite and apatite crystallisation. However, zircon cathodoluminescence...accessory phases of magnetite, zircon, apatite and titanite. The evolution from early silicic dacite intrusions...(Ulrich and Heinrich, 2002). The deeper, more central parts of these porphyries are extensively veined...crystallisation from a fractionating magma chamber, where titanite and apatite were the dominant phases controlling |  | Hou, Zengqian, Pan, Xiaofei, Li, Qiuyun, Yang, Zhiming, Song, Yucai (2013) The giant Dexing porphyry CuâMoâAu deposit in east China: product of melting of juvenile lower crust in an intracontinental setting. Mineralium Deposita, 48 (8) 1019-1045 doi:10.1007/s00126-013-0472-5 | Journal (article/letter/editorial) | | the Miocene Arasbaran-Kerman porphyry Cu belt in central Iran (Stocklin 1974; Hezarkhani and Williams-Jones...b Py and exsolved Cp with clinopyroxene (Cpx), titanite (Ti), and hornblende. Chalcopyrite usually exsolved...accessory minerals including magnetite, apatite, titanite, and zircon (Fig. 5f). The granodiorite porphyries... hornblende, biotite, plagioclase, magnetite, titanite, and rutile, with accessory sulfides dominated...edge of pyrite with clinopyroxene, hornblende and titanite (Fig. 6b). Complex assemblages of pyriteâchal |  | | Journal (article/letter/editorial) | | Duobaoshan-Tongshan Ore-Bearing Intrusions in the Northeastern Central Asian Orogenic Belt, NE China Jian Wang 1,2, *...Duobaoshan-Tongshan Ore-Bearing Intrusions in the Northeastern Central Asian Orogenic Belt, NE China. Minerals 2021, 11...Mo) is located in the northeastern part of the central Asian orogenic belt (CAOB) in northeastern China...intrusions hosting porphyry Cu-Mo-(Au) deposits in the central and western CAOB and elsewhere in the world. Elevated...of magmas for porphyry Cu-(Mo) deposits in the region and elsewhere. Keywords: magma fertility; porphyry |  | Liu, Yan, Santosh, M., Yuan, Tingyuan, Li, Huaqi, Li, Tianfu (2016) Reduction of buried oxidized oceanic crust during subduction. Gondwana Research, 32. 11-23 doi:10.1016/j.gr.2015.02.014 | Journal (article/letter/editorial) | | mantle wedge. 2. Geological setting The Tibetan region is composed of four continental blocks that, from...quartz as well as T accessory rutile, sphene, titanite, calcite, pyrite and apatite. More than 950 IP...Ca-amphibole such as actinolite, albite, ilmenite, titanite, chlorite and quartz belong to stage III. For...underlying mafic magma: Evidence from Mount Pinatubo, Philippines. Geology 21, 1083-1086. Hawkesworth,...Evidence for palaeo-Tethyan oceanic subduction within central Qiangtang, northern TE D Tibet. Lithos 127, |  | Ayati, Farimah, Yavuz, Fuat, Asadi, Hooshang H., Richards, Jeremy P., Jourdan, Fred (2013) Petrology and geochemistry of calc-alkaline volcanic and subvolcanic rocks, Dalli porphyry copperâgold deposit, Markazi Province, Iran. International Geology Review, 55 (2) 158-184 doi:10.1080/00206814.2012.689640 | Journal (article/letter/editorial) | | kbar. Keywords: porphyry CuâAu deposit; Dalli; Central Iran; Miocene; diorite; granodiorite; hornblende;...accessory minerals including zircon, apatite, and titanite. Calcic amphibole is the most abundant ferromagnesian...These porphyry centres, called the South Hill, Central Hill, and North Hill, crop out within a NEâSW-trending...locations of the main mineralized zones (South and Central Hills; from Dorsa plc. 2010). rocks and in qu...veins, with secondary (supergene) hematite. The Central Hill intrusions are more felsic (hornblende- and |  | Chelle-Michou, C., Chiaradia, M., Selby, D., Ovtcharova, M., Spikings, R. A. (2015) High-Resolution Geochronology of the Coroccohuayco Porphyry-Skarn Deposit, Peru: A Rapid Product of the Incaic Orogeny. Economic Geology, 110 (2) 423-443 doi:10.2113/econgeo.110.2.423 | Journal (article/letter/editorial) | | High-precision ages from early skarn (U-Pb, hydrothermal titanite) and later-stage mineralization (Re-Os, molybdenite)...high-temperature hydrothermal event (U-Pb, hydrothermal titanite) that corresponds to the emplacement of a precursor...hydrothermal alteration, using U-Pb on hydrothermal titanite. Evidence for the contemporaneous involvement...context of the coeval geodynamic evolution of the Central Andean margin and, in particular, of the Incaic...Incaic orogenic event. Evolution of the Central Andes During the Eocene In southern Peru, the Eocene epoch |  | Zhu, Jing-Jing, Richards, Jeremy P., Rees, Chris, Creaser, Robert, DuFrane, S. Andrew, Locock, Andrew, Petrus, Joseph A., Lang, JĂŒrgen (2018) Elevated Magmatic Sulfur and Chlorine Contents in Ore-Forming Magmas at the Red Chris Porphyry Cu-Au Deposit, Northern British Columbia, Canada. Economic Geology, 113 (5) 1047-1075 doi:10.5382/econgeo.2018.4581 | Journal (article/letter/editorial) | | Afton/Ajax, and Brenda), and Jago et al. (2014; Mount Milligan). Downloaded from https://pubs.geoscienceworld...Several porphyry Cu ± Au ± Mo deposits occur in the region, hosted by Late Triassic to Early Jurassic arc-related...mineral inclusions, especially of apatite and titanite, in zircon during LA-ICP-MS analyses (e.g., Lu...apatite contamination, and Ti >20 ppm to reflect titanite contamination, and such data were excluded (digital...porphyries, and log aTiO2 = 0.7 due to the presence of titanite (a common accessory mineral in these rocks). Zircon |  | Sliwinski, J. T., Bachmann, O., Dungan, M. A., Huber, C., Deering, C. D., Lipman, P. W., Martin, L. H. J., Liebske, C. (2017) Rapid pre-eruptive thermal rejuvenation in a large silicic magma body: the case of the Masonic Park Tuff, Southern Rocky Mountain volcanic field, CO, USA. Contributions to Mineralogy and Petrology, 172 (5) doi:10.1007/s00410-017-1351-3 | Journal (article/letter/editorial) | | of ~45 vol% crystals. Near-absence of quartz, titanite, and sanidine, pronounced An-rich spikes near...temperature trends indicate co-crystallization with titanite which was later resorbed. High Sr, Ba, and Ti...preeruptive reheating and partial melting of quartz, titanite, and feldspars in a long-lived upper crustal mush...resorbed sanidine and quartz, euhedral amphibole and titanite, and absence of pyroxene). These similar pre-eruptive...relatively brief. Initial volcanism in the San Juan region (~34.5â30.1 Ma), the Conejos Formation (e.g., Zielinsky |  | AndĂșjar, J., Costa, F., MartĂ, J., Wolff, J.A., Carroll, M.R. (2008) Experimental constraints on pre-eruptive conditions of phonolitic magma from the caldera-forming El Abrigo eruption, Tenerife (Canary Islands) Chemical Geology, 257 (3) 173-191 doi:10.1016/j.chemgeo.2008.08.012 | Journal (article/letter/editorial) | | the construction of the TeideâPico Viejo active central complex. The Abrigo phonolite contains low amounts...clinopyroxene, and magnetite, with minor amounts of titanite, apatite, and haĂŒyne. We have investigated pressures...successfully applied to a number of volcanoes including Mount St. Helens (e.g., Rutherford et al., 1985; Gardner...been made related to collapse calderas (e.g., Pinatubo, Rutherford and Devine, 1996; Scaillet and Evans...et al., 1990; Thirlwall et al., 2000), (2) the Central Complex (b4 Ma to present, FĂșster et al., 1968; |
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