 | | Journal (article/letter/editorial) | | of the Rapu Rapu gold-rich volcanogenic massive sulfide deposits, Albay Province, Philippines Received:...of probable Jurassic age on Rapu Rapu Island in Albay Province, Philippines. Massive sulfides at the Ungay...Ungay Malobago and Hixbar deposits are spatially associated with dacitic volcanic rocks within a highly-deformed...inferred to be mid-Tertiary in age. Deformation at Rapu Rapu resulted in reorientation of the strata into a...behind the Vanuatu and the New Britain arcs. On Rapu Rapu, the dacitic rocks are enriched in light REE and |  | | 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...alpine-typeZambalesultramafic complexof western Luzon. The unusually high aluminacontentof the Masin...massivepyritic deposits,specificallyBagacay, Barlo, and Hixbar, exemplify, in that order, a range of geologicsettingsin...diversity of ore types than elsewherein the Philippines. At last eight porphyry copper depositsare known |  | | Journal (article/letter/editorial) | | Massive Sulfide Deposits, Southern Mindanao, Philippines Cliff L. QUERUBIN and Graciano P. YUMUL, Jr...Tabayo, Siocon, Zamboanga del Norte, Mindanao, Philippines. These deposits comprise massive to semi-massive...significant amounts of supergene copper in the form of chalcocite. Owing to structural and metamorphic overprinting...1999; Gena et al., 2001; Lee et al., 2001). The Philippines hosts a number of VMS deposits (Fig. 1). They...15 Labo Puray Bayog Maagnas Bogtong Malaiba Rapu-rapu Amnay Ilustre Bagacay Sulat Tigbao Bongbongan |  | | Journal (article/letter/editorial) | | BALABAC MINERAL DEPOSITS ISLAND, PALAWAN OF EAST-CENTRAL PROVINCE, PHILIPPINES T. U. JOHN CONTENTS...resultsof an explorationventureon BalabacIsland, Philippines are presented. The east-centralportion of Balabac...thrusting have been important. The remainder of the island is mainly sandstoneand mudst0ne. It apparently...southwesternextremity of Palawan Province and of the Philippines. The administrativecenter of the island is Balabac. situatedon...localityof ClarendonBay, in the southeast of the island. Smith gave a Jurassicage to' chert collectedby |  | | Journal (article/letter/editorial) | | tonnages, as an open pit operation will typically mine large tonnages at lower grades, illustrating the...exhalites (e.g., Kali Kuning and Lerokis on Wetar Island, Indonesia: Sewell and Wheatley 1994b; Sillitoe...are among the earliest formed VMS deposits in the region (Walker and McDonald 1995; Goodfellow 2003). The...La Plata Iron K. Abyz Greens Creek LaRonde Penna Hixbar Hellyer Lalor Flin Flon Photo Lake Yubileinoe Canoe-L...0 La Zarza 9.1 Karkaralinski Abyz (Karaganda region, Kazakhstan) 205.0 Gai 50.0 107.0 Yubileinoe |  | | Report (issue) | | each deposit is represented by a country, country-province, or country-state, expressed in four-letter codes...codes (see appendix, Table E). For country-province and country-state codes, the first two letters abbreviate...country name and the last two letters the state or province name, e.g. USCA represents United States-California...host rock names were used (e.g. chlorite schist at Hixbar). When textures such as tuff, breccia, flow, pillow...BREITHAUPTITE CALCITE CALAVERITE CARBONATES CASSITERITE CHALCOCITE CERUSSITE CHERT CHALCEDONY CHLORITE CHLORITOID |  | | Journal (article/letter/editorial) | | been developed in the region of Baykalian folding in the western Mediterranean region. They are confined...of the Sredna Gora zone. a - Timok region; b - Panagyurishte region. 1 - Precambrian and Paleozoic; 2...The latter are located in the VirginiaMaryland region (Sulphur, Arminius, and Austin Run) and Eastern...the Paleozoic Sambagawa schists; and the Huelva province in Spain ( Rio Tinto). Cimmerian pyritic deposits...also the Franciscan association of California (Island Mountain). Alpine pyritic deposits of this same |  | | 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...orogenic belts formed in evolutionarily primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere;...i n g off i n f l a t e d dome \ Volcanic rocks lap across Caldera f o r m e d by collapse a c c o m...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | 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) .............2140 IX.11. Papua New Guinea (East New Guinea main island) ................................................public-domain publications listed alphabetically by region or by subject. It resumes a tradition of annotated |  | | 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...orogenic belts formed in evolutionarily primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere;...by s l i d i n g off inflated dome Volcanic rocks lap across prebatholith rocks Caldera f o r m e d by...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | Report (volume) | | and effective resource assessment of such a broad region required that grade-tonnage models be created for...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...Porphyro~ph~nitic-16 to 22 23 to 24 Chemic~ 1 sediments Region~! _ _ 5 to 10 11 to 12 { M~fic { ~rea Ph~nerocryst~lline-13...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | sampling and geophysical surveying throughout the region, begun. The geologic environment of the shield...percent of the deposits from the California-Oregon region in the United States contain 1,800 tonnes or more...however, high-silica granites or rhyolites in this region have not been noted thus far. Exploration Guides...from associated carbonates (southeast Santa Marta region, for example) could be useful in detecting geochemical...Quinta Formation in adjacent parts of the Perija region in Venezuela include native copper in mafic flow |  | | Report (issue) | | -___---___--___-_-_-__--__-_.-_____________ Eustis mine, Quebec. ___________________________ Moulton Hill...sulfide deposits in eastern Maine._________ Milan mine, New Hampshire_____________________ Orange County...Vermont___________ Sulphur Mine, Virginia._________________________ Arminius mine, Virginia_________________________..._________ Johnson mine, Virginia __________________________ Austin Run pyrite mine, Virginia _________________... Virginia.-______ ___________________ Cullowhee mine, North Carolina__________________ Elk Knob copper |
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