 | | 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) | | under the title, “Physiographic Control in the Philippines.” (515) Downloaded from gsabulletin.gsapubs...The same general groups of rocks exist in the Philippines as are found in other parts of the w orld.' There...similarity which exists between the formations in the Philippines and those of the west coast of America. The great...forms not greatly unlike those found in the Philippines, and in many cases the lithology of the forma...ranges. They are particularly abundant in northern Luzon, throughout the central Cordillera; in Palawan Island; |  | Vogel, Thomas A., Flood, Timothy P., Patino, Lina C., Wilmot, Melissa S., Maximo, Raymond Patrick R., Arpa, Carmencita B., Arcilla, Carlo A., Stimac, James A. (2006) Geochemistry of silicic magmas in the Macolod Corridor, SW Luzon, Philippines: evidence of distinct, mantle-derived, crustal sources for silicic magmas. Contributions to Mineralogy and Petrology, 151 (3) 267-281 doi:10.1007/s00410-005-0050-7 | Journal (article/letter/editorial) | | silicic magmas in the Macolod Corridor, SW Luzon, Philippines: evidence of distinct, mantle-derived, crustal...relatively abundant in the Macolod Corridor, SW Luzon, Philippines. At Makiling stratovolcano, silicic domes...of the volcano and are chemically similar to the silicic lavas that comprise part of the volcano. Pyroclastic...elements. The silicic rocks from the domes, Makiling Volcano and Laguna de Bay Caldera all contain high alkalis...Seismology, Quezon City, Philippines C. A. Arcilla University of the Philippines—Diliman, National Institute |  | | Journal (article/letter/editorial) | | thorough knowledge of the igneous rocks of the region will be acquired. Fragmentary contributions to...dacites, and almost no rhyolites. A short visit to Luzon in 1910 enabled one of us to study the collections...which is present in the rocks from Antipolo and Taal, but does not appear in the specimen from Mayon... though it occurs in other lava from the same volcano. The normative plagioclase in each case is labradorite...base of Taal volcano, anal. 2, is massive lava on the shore of the lake which surrounds the volcano, and |  | | Book (volume) | | Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992 v.6 The Society of Resource...Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES The Society of Resource Geology Nogizaka building...Volume 6 : Mineral Deposits of Japan and the Philippines Editors: Tetsuro Urabe and Masahiro Aoki The...Honshu 4. Mineral Deposits of Japan and the Philippines (* in Japanese) Nos. 1 - 3 are published as Guidebook...Volume 6: Mineral Deposits of Japan and the Philippines. The publications of these volumes are supported |  | | 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...prospects at Lobo, Philippine Gypsum Mining Batangas. The Corporation, owner of the deposits, 5 has...exploratory drilling in Bondoc Peninsula, Tayabas Province. Intensive sugar-cane cultivation has created |  | DuFrane, S. Andrew, Asmerom, Yemane, Mukasa, Samuel B., Morris, Julie D., Dreyer, Brian M. (2006) Subduction and melting processes inferred from U-Series, Sr–Nd–Pb isotope, and trace element data, Bicol and Bataan arcs, Philippines. Geochimica et Cosmochimica Acta, 70 (13) 3401-3420 doi:10.1016/j.gca.2006.04.020 | Journal (article/letter/editorial) | | and trace element data, Bicol and Bataan arcs, Philippines S. Andrew DuFrane a,*, Yemane Asmerom a, Samuel...data from the two principal volcanic chains on Luzon Island, developed over oppositely dipping subduction...have back-arc spreading centers, including the Philippines, it is not clear if melting processes have a...ratios of lavas from the Bicol and Bataan arcs, Philippines (Fig. 1). The two arcs have developed over oppositely...E 125˚ E 120˚ E 20˚ N Philippine Sea SCSS Luzon DSDP 292 BR 15˚ N Manila Trench & Bataan Arc |  | | Report (chapter) | | extensional structure which cross-cuts the Taiwan-Luzon volcanic arc. The composition of early phenocrysts...extraction of BABB. In the southern part of the Taiwan-Luzon volcanic arc, an extensional zone called the Macolod...caldera complexes. While volcanism of the Taiwan-Luzon arc is considered to be related to the eastward...CORI~tOOR. b A Fig. 1. Simplified tectonic map of Luzon, showing the setting of the Macolod Corridor. Major...triangles (note that the volcanic centres in the north Luzon segment are up to 6 Ma old and presently extinct |  | McDermott, Frank, Jr., Francisco G. Delfin, Defant, Marc J., Turner, Simon, Maury, Rene (2005) The petrogenesis of volcanics from Mt. Bulusan and Mt. Mayon in the Bicol arc, the Philippines. Contributions to Mineralogy and Petrology, 150 (6) 652-670 doi:10.1007/s00410-005-0042-7 | Journal (article/letter/editorial) | | Bulusan and Mt. Mayon in the Bicol arc, the Philippines Received: 20 March 2004 / Accepted: 12 October...complex in the southern part of the Bicol arc (Philippines) exhibit a wide compositional range (medium-...ratios. Unlike some other arc segments in the Philippines (e.g. the BabuyanTaiwan segment), there is little...on the island of Luzon, the Philippines, has produced two volcanic arcs: the Luzon arc in the west and...inset). The Luzon arc and its northern termination, i.e. the Babuyan-Taiwan segment north of Luzon island |  | | Journal (article/letter/editorial) | | to Indian Ocean M O R B and IOB. T h u s the Philippines consist of island arcs with the peculiar Dupal...hemisphere and particularly in the Indian Ocean region. This demonstrates that the Dupal isotopic anomaly...regional geology of both the northern and central Philippines indicates that Cenozoic pulses of subduction...referred to as the West Philippine arc, and (2) East Luzon-Philippine trench with its own landward volcanic...subduction zone associated with the Philippine and East Luzon trenches [12,21]. This eastern subduction system |  | | 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...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...scale hitherto unknown in this industry in the Philippines; and one or two additional native smelters have |  | | Report (issue) | | VOLCANO AND EARTHQUAKE HAZARDS IN THE CRATER LAKE REGION, OREGON OPEN-FILE REPORT 97-487 U.S. DEPARTMENT...caldera formed 7,700 years ago by collapse of the volcano known as Mount Mazama during the largest explosive...S. GEOLOGICAL SURVEY VOLCANO AND EARTHQUAKE HAZARDS IN THE CRATER LAKE REGION, OREGON by Charles R...Geological Survey, David A. Johnston Cascades Volcano Observatory, Vancouver, Washington OPEN-FILE REPORT...National Park and surrounding communities from volcano hazards .................... 16 Earthquakes .. |  | | Journal (article/letter/editorial) | | and geochemistry of Camiguin Island, southern Philippines: insights to the source of adakites and other...located 12 km north of Mindanao Island in southern Philippines. The island consists of four volcanic centers...southernmost Chile and Batan Island in northern Philippines indicates that the Mindanao adakites are not...of Volcanology and Seismology, Quezon City, Philippines Editorial responsibility: T. L. Grove AFC process...1996). Magmatism in the northern and central Philippines is mainly con®ned to two parallel zones of arc |  | 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 |  | | 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...towns of Compostela and on the east coast of Luzon about region behind is opposite Manila; the southern...about 12 miles northeast of Legaspi, in Albay Province; the northern ])ortion of Dinagat Island, just |  | | Journal (issue) | | forms in the East Wall tuff deposit of Newberry Volcano, central Oregon by Erick A. Bestland, Department...bedded basaltic tephra in the East Wall of Newberry Volcano, central Oregon. The hydro volcanic surges were...northeast corner of the caldera. INTRODUCTION Newberry Volcano (Figure I), located in central Oregon on the east...Cascade Mountains, is a large Quaternary shield volcano. A 6- to 8-km-wide caldera at the shield's summit...flows and tuffs, basaltic cinder cones, basalt and andesite flows, and mafic tephra beds (Higgins and Waters |  | Malek, Md Abdul, Eom, Hyo-Jin, Hwang, Heejin, Hur, Soon Do, Hong, Sungmin, Hou, Shugui, Ro, Chul-Un (2019) Single particle mineralogy of microparticles from Himalayan ice-cores using SEM/EDX and ATR-FTIR imaging techniques for identification of volcanic ash signatures. Chemical Geology, 504. 205-215 doi:10.1016/j.chemgeo.2018.11.010 | Journal (article/letter/editorial) | | associated with the major, recorded Huaynaputina, Taal and Agung, and Pinatubo volcanic eruptions with...and glass chemistry are specific to each source volcano. The size, shape, and morphology of VA are determined...samples together with those of the Huaynaputina, Taal, Agung, and Pinatubo VA from the literature (de...associated with the major, recorded Huaynaputina, Taal and Agung, and Pinatubo volcanic eruptions with...VA is classified as basaltic-andesite which corresponds to that of Taal and Agung VAs (Self and King |  | | Journal (article/letter/editorial) | | Thorarinsson, 1965, 1966, 1967) and of Taal close to Lake Taal in the Philippines in 1965 (Moore et al., 1966;...relevant references Magma type Locality and volcano type Reference Rhyolite Iceland, maars ( Viti...Thorarinsson et al. (1960) Lorenz (1986a) Dacite Andesite Palatinate, F.R.G., diatremes Lorenz (1971a...maars Dawson and Powell (1969) At many large andesite volcanoes there exist explosion craters, i.e.... maars, related to phreatomagmatic andesite or dacite eruptions. or in the Permocarboniferous late Hercynian |  | | Report (volume) | | Large Quaternary Calderas: Details of Unrest 81 Region 1: Mediterranean 82 Italy Vulsini (Latera/Conca...Vecchia 124 Greece Santorini (Thira) 129 Nisyros 135 Region 2: Africa 138 Ethiopia Fantale 139 K'one (Gariboldi)...Deriba 152 Region 3: Indian Ocean 156 Reunion Island Piton de la Fournaise 157 Contents VII Region 4: New...Taupo 174 Rotorua 186 Tonga Tofua 190 Niuafo'ou 193 Region 5: Melanesia 197 Papua New Guinea St. Andrew Strait...New Hebrides Gaua Island 245 Aoba 248 Ambrym 251 Region 6: Indonesia 255 Toba 256 Maninjau 267 Ranau 276 |  | | Journal (article/letter/editorial) | | Indian Ocean MORB signature in the Western Pacific region. This signature could have been inherited by the...morpho-tectonic features of the Western Pacific region are the arc chain facing the Pacific plate (Honza...D dolerite, MG microgabbro, BA basaltic andesite, A andesite, mgd 100 Mg/(Mg#Fe) cationic ratio. Al XRF...from Site 769 include basalt, basaltic andesite and andesite, highly phyric in texture with plagioclase...Shetland Island Arc. Furthermore, in the North Luzon Arc, lavas with very variable 143Nd/144Nd and 206Pb/204Pb |  | | Journal (article/letter/editorial) | | made during the 1958 Capelinhos, 1963 Surtsey, 1965 Taal and 1977 Ukinrek volcanic eruptions [6–11]. During...eruptions show a wide spectrum hence the resulting volcano stratigraphy, textural features reflect this very...since 1900 to present days) referring to the Taal (Philippines) 1965 eruption formed maar craters and generated...hydrovolcanism hydrovolcanism using “Deep subaqueous” volcano,while whilethe the“Phreatomagmatic” “Phreatomagmatic”...containsaatypical typical Surtla-type Surtla-type volcano, category would bebesimilar volcanism. would similarbut |  | | Report (chapter) | | initial 1-2 rain of the eruption of Ngauruhoe volcano, New Zealand, in February 1975. These photographs...This current flowed down one of the flanks of the volcano, and became progressively more turbulent in appearance...a y 1980 The lateral blast at Mount St Helens volcano provided spectacular and very clear evidence that...columns which have since been developed. Soufriere volcano, St Vincent, 1979 Sparks & Wilson (t982) reported...of Redoubt volcano, Alaska, 1989-1990 After a large explosive eruption of Redoubt volcano, Alaska, in |  | | Report (issue) | | G., XX, p. 521, ] 868. R. T., 1869, p. cxvnr. Andesite. Dried before analysis. H 2 0+ =0. 27. Q 30...p. 155, 1884. R. T. 1884, P: ,LXVIII. Augite-andesite. In W. T., p. 203, No. 24, laurvikose. Q 5.0... p. 164, 1884. R. T. 1884, p. LXVIII. Augite-andesite. In ~w. T., p. 203, No. 25, laurvikose. or 25... p. 155, 1884. R. T. 1884, p. LXVIII. Augite-andesite. In W. T., p. 203, No. 26, laurvikose. ' E. Maegis...ab41. 4 an 6.4 di 7.2 wo 2.2 mt 4.2 hm3.5 Yate Volcano, Patagonia. H. Ziegenspeck. H. Ziegenspeck, ln |  | | Journal (article/letter/editorial) | | several parasitic centres surrounding Ruapehu volcano, at the southern end of the Taupo Volcanic Zone...volcanic centres surrounding the andesitic composite volcano Ruapehu, at the southern extremity of the Taupo...protruding through the laharic ring plain of the volcano (Fig. 2). The Ohakune Craters are located on the...from Taupo Volcano. The Ohakune tephra is a distinctive two-pyroxene, olivine low-silica andesite contrasting...fault scarp to the north. It is clear that the region is now, and was p r o b a b l y at the time o f |  | | Journal (article/letter/editorial) | | modeling of the acid crater lake of Kawah Ijen Volcano, Indonesia PIERRE DELMELLE and ALAIN BERNARD Geochemistry...revisedform January 19, 1994) Abstract-The Kawah Ijen volcano-with a record of phreatic eruptions-has its 1000...Reactions between the acidic fluids and the Ijen andesite were modeled to account for elevated cation concentrations...produced by dissolution of approximately 60 g of andesite per kg of acid solution. Complete neutralization...alteration assemblage equivalent to that observed in volcano-hosted, acid-sulfate epithermal ore deposits. |
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