 | | 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...The two largest chromite deposits,Masinloc and Acoje, represent, respectively, refractory and metallurgical...alpine-typeZambalesultramafic complexof western Luzon. The unusually high aluminacontentof the Masin...Masinlocchromitesuggeststhat it is an earlier crystallate than Acoje. The structural settingsof both depositssuggestthat |  | | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/tigr20 Zambales Ophiolite Complex (Philippines) Transition-Zone Dunites: Restite... Graciano P. Yumul a a University of the Philippines Published online: 14 Jul 2010. To cite this...article: Graciano P. Yumul (2004) Zambales Ophiolite Complex (Philippines) TransitionZone Dunites: Restite...Son, Inc. All rights reserved. Zambales Ophiolite Complex (Philippines) Transition-Zone Dunites: Restite...Science, University of the Philippines, Diliman, Quezon City, Philippines Downloaded by [University |  | | Journal (article/letter/editorial) | | CHROMITE DEPOSIT ZAMBALES, LUZON, PHILIPPINE ISLANDS BY W. C. STOLL ABSTRACT The Masinloc mine, the world's...of refractory-grade chrome ore, is at Goto, Zambales, Luzon, Philippine Islands. Ore production from 1946...dikes and overlapped by Miocene sediments. Near the mine, the complex is composed of pseudostratified gneissose...420 W. C. STOLL—MASINLOC CHROMITE DEPOSIT, PHILIPPINES into higher levels of the complex. The temperatures...Introduction and acknowledgments Country rocks Zambales ultramafic complex General statement Field relations |  | | 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 |  | | Journal (article/letter/editorial) | | hydrothermal field (Mid-Cayman Rise) and the Zambales ophiolite (Philippines). Peridotite, troctolite and gabbroic...g−1 C2 H6 ), with lesser amounts in samples from Zambales (2–37 nmol g−1 CH4 and 0.004– 0.082 nmol g−1 C2...values of −20.3‰ to +0.7‰. Ultramafic rocks from Zambales exhibit δ13 CCH4 values of −12.4‰ to −2.8‰ and...hydrocarbons in serpentinization systems plays a central role in current hypotheses for the origin and early...1) and in ultramafic rocks from the Zambales ophiolite, Philippines (figure 2). The results allow constraints |  | Evans, David M., Barrett, Finn M., Prichard, Hazel M., Fisher, Peter C. (2012) Platinum–palladium–gold mineralization in the Nkenja mafic–ultramafic body, Ubendian metamorphic belt, Tanzania. Mineralium Deposita, 47 (1) 175-196 doi:10.1007/s00126-011-0353-8 | Journal (article/letter/editorial) | | mafic–ultramafic body located in southern Tanzania in the central part of the Ubendian metamorphic belt. This body...prospecting licences over a large swathe of the central Ubendian belt, primarily focussed on the base metal...PGE-mineralized ultramafic bodies were found in the region. At Nkenja itself, the PGE mineralization proved...zone (Fig. 1), interpreted here to be part of the Central Corridor Thrust zone mapped by Harpum and Harris...minerals (olivine to serpentine, pyroxenes to actinolite). It is bounded to the south– west by locally |  | | Report (issue) | | held at the Geological Society of America South-Central Section meeting, Apr. 15-16, 1985, Fayetteville...1952— III. Geological Society of America. South-Central Section. IV. Symposium on Alkalic Rocks and Kimberlites...Evidence from basal cumulate rocks in the Zambales ophiolite, Luzon, Philippine Islands . Cynthia A. Evans...Hugo T. Dummett The Cretaceous Arkansas alkalic province; A summary of petrology and geochemistry . 217...nephelinite to phonolite magmatism in the Balcones province, Texas . 293 D. S. Barker, R. H. Mitchell, and |  | Pérez, Marisol, García, Marcelo, Townley, Brian, Deckart, Katja (2021) Mineralogy and Geochemistry of Seabed Sediments of the Chiloé–Taitao Area, Southern Chile, and Implications for Ore Deposits. Minerals, 11 (8) 903 doi:10.3390/min11080903 | Journal (article/letter/editorial) | | the sea bottom. Furthermore, in the continental region, gold, silver, zinc, and copper deposits are related...positive topographic feature with a NNW-trending central axis, characterized by a rugged relief and a near...determined in the coarser fractions. Hornblende and actinolite were commonly detected and were particularly...Muscovite Biotite Chlorite Montmorill. Hornblende Actinolite Pyroxene Epidote Cordierite Titanite Apatite...which hornblende was the most abundant, whereas actinolite was higher only in sample 9 at 27.3%. Epidote |  | | Book (edition) | | ....................... 1625 IX.1. Andaman Sea Region ..................................................................... 2003 IX.8. Philippines (General, Palawan, Luzon) ........................................................... 2048 IX.9. South Philippines (Celebes Sea, Sulu Sea, Sandakan) .............public-domain publications listed alphabetically by region or by subject. It resumes a tradition of annotated...MOLUCCAS SULA BUTON SULAWESI CELEBES SEA (S PHILIPPINES) SULU SEA ARAFURA SEA NEW GUINEA (PAPUA, IRIAN) |  | | Book | | Emplacement of the Agardagh Tes-Chem Ophiolite in Tuva, Central Asia: Crustal Growth by Island Arc Accretion ....Origin and Emplacement of Archean Ophiolites of the Central Orogenic Belt, North China Craton . . . . . . ...Geochemical and Petrographic Characteristics of the Central Belt of the Archean Dongwanzi Ophiolite Complex...correlative ophiolitic terranes in the ca. 2.5 Ga Central Orogenic Belt of the craton. The next chapter examines...several greenstone belts in northern Canada’s Slave Province as ophiolites. The following chapters document |  | | Journal (article/letter/editorial) | | serpentinization. Variably serpentinized peridotites from the Santa Elena Ophiolite in Costa Rica contain an unusual...We suggest that the peridotites today exposed on Santa Elena preserve the lower section of an ancient hydrothermal...copper · Sulfides · Peridotite · Serpentinization · Santa Elena Ophiolite Introduction Serpentinization is...between Earth’s surface and Earth’s mantle. On the Santa Elena peninsula in Costa Rica, variably serpentinized...sulfide textures are well preserved. This makes the Santa Elena peridotites ideal 13 Contrib Mineral Petrol |  | | Book | | Bougainville), and Fiji. Cyprus, Ceylon, the Philippines, and Japan are included with Asia. In South Africa...Cyprus India Indonesia Iran Japan Korea Malaya Philippines... Turkey 2 1 1 4 1 1 5 1 1 2 2 21 Australia...(and older titles) Mineral Resources of South-Central Africa (Pelletier) (no abbreviation) Mineralium...50, p. 164-168 Heim, Α., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes |  | | Book | | born hills appear parallel to Mahagiri range due to mine-waste dumping. Unpaved roads serve the movement...The sky is gloomy throughout the day due to the mine and road dust. Social evils, crime, alcoholism,...education, counseling, and training. Making stringent mine-safety rules is not the solution—it has to be implemented...Ore Group Orissa Mining Corporation Limited Run of Mine Reconnaissance Permit tonnes tonnes per annum/day...States, Australia, Africa, Brazil, New Caledonia, Philippines, Indonesia, and the Caribbean. The largest chromite |  | Suárez, Saioa, Prichard, Hazel M., Velasco, Francisco, Fisher, Peter C., McDonald, Iain (2010) Alteration of platinum-group minerals and dispersion of platinum-group elements during progressive weathering of the Aguablanca Ni–Cu deposit, SW Spain. Mineralium Deposita, 45 (4) 331-350 doi:10.1007/s00126-009-0275-x | Journal (article/letter/editorial) | | Ni, 0.46% Cu, 0.47 g/t PGE and 0.13 g/t Au. The mine has an estimated production life of 10.5 years based...development. At present, the annual production of the mine is approximately 8,136 t of Ni and 7,071 t of Cu...Aguablanca Stock, along the northeastern part the Santa Olalla plutonic complex (Fig. 1). This is a small...pyrrhotite and pentlandite and is limited to the central core of the southern orebody; (b) disseminated...showing the location of the Santa Olalla Pluton Complex and the Aguablanca mine (Agb). Modified from Casquet |  | | Journal (article/letter/editorial) | | (Fletcher 1988); serpentinites of the Eastern Central Alps (Burkhard et al. 1988); the Donaldson West...Brazil (Ferrario and Garuti 1988); the Acoje Ophiolite, the Philippines (Orberger et al. 1988, 1990); the...stable. Alteration assemblages consist of epidote, actinolite, chlorite, titanite and calcite, with minor sericite...conditions than the Pt and Pd complexes over the region where Pt(HS) ~ and Pd(HS) ~ are predominant (compare...element analyses of serpentinites in the Eastern Central Alps, from Davos (Switzerland) to the Valmalenco |  | | Journal (article/letter/editorial) | | exception to this is the Acoje Ni sulfide deposit in the Zambales ophiolite of the Philippines (Naldrett, 2004)...52 (2013) 4–17 5 Sheffield Region Rocky Cape Region Mathinna Region Avebury ? ? X Dundas Trough...Trough hosts ophiolites AdamsfieldJubilee Region Tyennan Region Fig. 1. Geology of Tasmania, showing the...the deposits of the Zeehan–Dundas field. The Magnet Mine was the largest known of this type at 630,000 t...mineralized zones are also present, including the Central and East Avebury bodies, and the Saxon, Seymour |  | | Book | | 1YPesetting: Overseas 1YPographers, Inc., Makati, Philippines 2132/3145-543210 - Printed on acid-free paper............................ 1.5.3 The Baguio, Philippines and Thyoltita, Mexico Vein Systems ............Deposits ................ . 4.5.2 The Homestake Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform...Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and...Copper-Nickel Deposits of the Noril'sk-Talnakh Region, USSR ........... . 7.5.2 Discussion ......... |  | | Journal (article/letter/editorial) | | ep Fe fo grs Name Formula albite alabandite actinolite silver gold amesite andradite anhydrite arsenopyrite...(1989) Zambales ophiolite, Phillippines: II. Sulfide petrology of the critical zone of the Acoje Massif...(1988) Methane-hydrogen gas seeps, Zambales ophiolite, Philippines: Deep or shallow origin? Chem. Geol...related to serpentinization of the Zambales Ophiolite, Philippines. Appl. Geochem. 5, 625– 630. Alt J...blackwall and rodingite at Paddy-Go-Easy Pass, central Cascades, Washington. J. Petrol. 16, 272–313. Frost |  | | Journal (article/letter/editorial) | | Taro–Ceno Valleys (Northern Apennine, Emilia-Romagna region, Italy), waters of meteoric origin interact with...the ultramafic rocks of the Voltri Group (Liguria region), where solutions are supersaturated in brucite...different outcrops of ophiolitic rocks in the Parma Province (Toscani et al., 2001; Boschetti, 2003), are presented...Albite, epidote, prehnite, sericite, chlorite, actinolite, titanite, and haematite association replaced...Western Alps; Scambelluri et al., 2004) and in the central Italy serpentinites (Anselmi et al., 2000), but |  | | Journal (article/letter/editorial) | | assemblages of amphibole (actinolitic hornblende, actinolite) plus minor quartz, chlorite, and epidote, with...partly altered to brown and green hornblende, actinolite, and magnetite. Plagioclase is partly recrystallized...with the epidosites are replaced by hornblende, actinolite, albite, chlorite, sphene, quartz, and epidote...and loss of sulfur from the rocks. Amphibole (actinolite and actinolitic hornblende) is present in the...(1989) Zambales Ophiolite, Philippines II. Sulfide petrology of the critical zone of the Acoje Massif |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Copper-Molybdenum and CopperGold Deposits at Los Pelambres, Central Chile José Perelló, Richard H. Sillitoe, Constantino...History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known Concentration...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco...Sandstone Copper Deposits of the Chu-Sarysu Basin, Central Kazakhstan Premier Provinces 14 15 16 17 18 |  | | Book | | metalliferous region has been eroded affects its present characteristics as a minera1 province, because of...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...the magnetite orebodies, produced magnetite, actinolite, minor calcite, quartz, chalcopyrite, talc, etc |  | | Book | | metalliferous region has been eroded affects its present characteristics as a mineral province, because of...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...the magnetite orebodies, produced magnetite, actinolite, minor calcite, quartz, chalcopyrite, talc, etc |  | | Book | | Tj. 647 Tertiary Basaltic Intrusions in the Central Oman Mountains Al Harthy, M.S., Coleman, R.G.,... J.R. 771 The Circum-Izu Massif Peridotite, Central Japan, as Back-Arc Mantle Fragments of the lzu-Bonin...c., 1990. The Geology and Tectonics of the Oman Region. Geol. Soc. Spec. Publ, p. 49. Part I Processes...offshore resources of Pacific island arcsTonga region, Circum-Pacific Council for Energy and Mineral... Usselman, T.M. and D.S. Hodge, 1978. Thermal central of low pressure fractionation processes, J. Volcanol |  | Orberger, B., Lorand, J.P., Girardeau, J., Mercier, J.C.C., Pitragool, S. (1995) Petrogenesis of ultramafic rocks and associated chromitites in the Nan Uttaradit ophiolite, Northern Thailand. Lithos, 35 (3) 153-182 doi:10.1016/0024-4937(94)00041-y | Journal (article/letter/editorial) | | orthopyroxenite in the northern part and in dunite in the central part of the ophiolite. Type III chromitite forms...forms lenses or layers in clinopyroxenites in the central and southern parts of the belt. According to the...part and moderate oxygen fugacities (FMQ) in the central part of the ophiolite. The chromitite of type III...gabbroic sequence, are mostly exposed only in the central part (CIG-company, unpubl. data). East-west profiles...magnesite occurs in the northern (Rae Nan) and central parts (Pak Nai) of the belt. Fig. 2 displays a |
|
