 | | Journal (article/letter/editorial) | | Hydrothermal System at the Dizon Porphyry Cu-Au Deposit, Zambales, Philippines Akira IMAI* Department of...system at the Dizon porphyry Cu-Au deposit in western central Luzon, Zambales, Philippines, is documented...hydrothermal system. Keywords: Dizon, porphyry Cu deposit, Philippines, Luzon, fluid inclusion, hydrothermal...1986; Sillitoe and Gappe, 1984; Imai, 2002). The Dizon porphyry Cu-Au deposit has been considered as a...sulfur isotope systematics. 1. Introduction The Dizon deposit has been known as one of representative |  | Payot, Betchaida D., Maglambayan, Victor B., Dimalanta, Carla B., Yumul, Graciano P., Tamayo, Rodolfo A., Matsuda, Toshihiko, Suzuki, Shigeyuki, Bellon, Herve (2005) Geology and Hydrothermal Alteration of the Low Sulfidation. Resource Geology, 55 (3) 155-162 doi:10.1111/j.1751-3928.2005.tb00238.x | Journal (article/letter/editorial) | | Pantingan Gold System, Mount Mariveles, Bataan (Luzon), Philippines Betchaida D. PAYOT, Victor B. MAGLAMBAYAN...Science, University of the Philippines, Diliman, Quezon City, Philippines 1101 [e-mail: rwg@i-next.net...and Technology, Bicutan, Taguig, Metro Manila, Philippines ** Department of Earth Sciences, Faculty of Science...caldera of Mount Mariveles, Bagac, Bataan (Luzon), Philippines. It consists of nine major veins, eight of...clay minerals that include kaolinite, dickite, pyrophyllite and alunite, might have been imprinted during |  | | 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) | | Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines Akira IMAI Abstract: The Lepanto Far Southeast...enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists of potassic...heterogeneous entrapping in the two-fluid unmixing region. Sulfur isotopes of aqueous sulfide and sulfate...associated magmatic hydrothermal deposits in the western Luzon arc. The Lepanto Far Southeast (FSE) porphyry Cu-Au...Mankayan Mineral District, Benguet Province, northern Luzon, Philippines (e.g., Gonzalez, 1956; Garcia, 1991) |  | Frias, Sofia Marah P., Imai, Akira, Takahashi, Ryohei, BalangueāTarriela, Ma. Ines Rosana, Arcilla, Carlo, Blamey, Nigel (2019) Geology, Alteration, and Mineralization of the Kay Tanda Epithermal Gold Deposit, Lobo, Batangas, Philippines. Resource Geology, 69 (4) 351-384 doi:10.1111/rge.12205 | Journal (article/letter/editorial) | | Tanda Epithermal Gold Deposit, Lobo, Batangas, Philippines Soļ¬a Marah P. FRIAS,1 Akira IMAI,2 Ryohei TAKAHASHI...Institute of Geological Sciences, University of the Philippines Diliman, 4Philippine Nuclear Research Institute...Department of Science and Technology, Quezon City, Philippines and 5Department of Earth Sciences, Western University...the Batangas Mineral District in southern Luzon, Philippines. This study aims to document the geological...mineralization style. Stage 1 is composed of quartz pyrophyllite dickite/kaolinite diaspore alteration, which |  | | Journal (article/letter/editorial) | | Porphyry copper deposits account for 60% of the world's mine production of copper and constitute 80% of ore reserves...Bering (pers. commun., 1980), Bering (1984) Philippines 9. Dizon Silltoe and Gappe (1984); Malihan (1987)...Schwartz, 1984), Tangse (van Leeuwen et al., 1987) Philippines: Marcopper (Loudon, 1976),2 Santo Nino (Bryner...1982), San Manuel-Kalamazoo (Titley and Hicks, 1966; Lowell and Guilbert, 1970; Kesler, 1973) ,2 San Xavier...to aluminum-rich phases (dickite, kaolinite, pyrophyllite, diaspore, or alunite). Intermediate argillic: |  | | Journal (article/letter/editorial) | | Emerging Porphyry District in Northeast Mindanao, Philippines* David P. Braxton,1,2,ā ,** David R. Cooke,1,3...American Exploration (Philippines) Inc., 21 Outlook Drive, Baguio City 2600, Philippines Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Since their formation in the early Pleistocene...clasts with intense, pervasive illite and alunite-pyrophyllite-dickite-kaolinite alteration assemblages that...historic Surigao Au district of the southern Philippines (Fig. 1). Recent mineral resource estimates for |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their...American Exploration (Philippines) Inc. 21 Outlook Drive Baguio City, Philippines 2600 Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Exhumation and weathering of these Late Pliocene-age...ā5.7 per mil. At the latitude of the southern Philippines, this value corresponds to Pleistocene rain water...Table 1). The Boyongan porphyry Cu-Au deposit, Philippines, is a significant exception to this pattern. |  | | Journal (article/letter/editorial) | | sediment-hostedmassivesulfidelead-zincde- recorded. The San Antonio de La Huerta pipe in posits, unconformity-typeuranium...porphyry- are not commonlyobserved.Locally, as in the San type mineralization,CopperCreek (Grimour,1977) Pedro...150 >600 Angularto sub- Absent rounded Peru San Pedro de 10 to >50% rounded Granodiorite Paleocene...Angularto locally Absent rounded El Bolsico, Chile San Francisco de Los Andes, Argentina Quartz diorite... and a minortonnageof bismuthore wasexploitedat San Franciscode Los Andes (Llamblasand Malvicini, 1969) |  | | Journal (article/letter/editorial) | | the Intermontane belt of British Columbia, the Philippines, Sulawesi, Papua New Guinea, Sabah and Puerto...deposits and examinations of deposits in the Philippines and Sabah, suggests that local factors related...MAMUT, Sabah SANTOTOMASIf, Philippines t4. PANGUNA,Bou(Jo(nvillels. DIZON, 15. CABANG KIRI, Sulgwes(...Alumbrera in the Faral16n Negro district, Catamarca province, northwest Argentina, an oval dacite porphyry...patches, the largest 300 x 150 m in diameter, in the central part of the potassium silicate zone exhibit intensive |  | | Journal (article/letter/editorial) | | Blanco, central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus...Santa Rita (Central dist.) Yanacocha Antamina Bisbee Santo Tomas II & Nugget Hill Dizon Boyongan-Bayugo...intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early Oligocene porphyry...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...the central Andes, mid-Miocene belt of Iran, and Pliocene belts in New Guinea and the Philippines (Fig |  | | Book | | HYDROTHERMAL COPPER AND GOLD DEPOSITS ā ā¢ ć ā ^^ CENTRAL ASIA ā¢ -Ā« THE AMERICAS ā¢ I^ r I ā¢ ā¢ iā¢ ćŖ-...and Mineralisation of the Monywa Copper Depositsļ¼Central Myanmar. U Kyaw Win and Douglas J Kirw in......... 61 ļ¼ The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M Robertson and Rene...87 The Fort Knox Porphyry Gold Deposit, Eastern-Central Alaska: An Overview and Update. Arne A Bakke, Robert...Agua Rica Porphyry Cu-Mo-Au Depositļ¼Catamarca Province, Northwestern Argentina. Part 1 : Exploration |  | | Report (issue) | | (Behn and others, 2001; Gow and Walshe, 2005), central Iran (Shahabpour, 1999), and New Guinea (Gow and...absorption features at 2.17 and 2.20 Ī¼m, and pyrophyllite has a narrow, intense absorption feature at...Clark and others, 2007). In the thermal infrared region, quartz and hydrous silica contain emission minima...Berger and others, 2003). Alunite, kaolinite, pyrophyllite, and muscovite were mapped at the Red Mountain...zones with <1 wt (weight) percent pyrite in the central part of the deposit, through a surrounding zone |  | | Journal (article/letter/editorial) | | systems may be assessed (e.g., Sierra Nevada Au province. California: ~ 3,150 tonnes Au; Clarke, 1970 )...in quartz vein and "albitite" intrusion areas per mine level suggest that the ore fluid and dyke magma...of the characteristics of the ore fluid source region (Smith, 1992 ). (iii) Most importantly, as a test...magmatic volatile input (e.g., Baguio district, Philippines). In addition, as Sillitoe (1989) points out...p..Ec SPOONf:R (R/Ra = ~ 2-3 ) and Baguio, Philippines (R/Ra= ~ 6); these also show a mantle, presumably |  | 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) | | Tertiary/Quaternary volcanic rocks of the Cordillera Central are favorable hosts for hot spring gold-silver...sampling and geophysical surveying throughout the region, begun. The geologic environment of the shield...zones in young volcanic rocks of the Cordillera Central and southern Cordillera Occidental may well be...Cretaceous sandstones and shales dominates the central part of the Cordillera Oriental (Etayo-Serna and...in post-middle Miocene time. (4) The Cordillera Central, which contains Precambrian and Paleozoic crystalline |  | | Book | | Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...13.1 Introduction 13.2 Market setting 13.3 Gold-mine production 13.3.1 World-wide trends 13.3.2 Brazil...belts, USSR, were probably more related to source region and magma generation than to magma/mineral fractionation...average 3.5 ppb gold with little variation in anyone province (3.7, 3.8 and 3.1 ppb respectively). In comparison...designated. 2. All sedimentary samples are from the Central Russian Platfonn. 3. Biotite and glauconite. 4 |  | | Journal (article/letter/editorial) | | 1ā420 by a pilot project on mineral deposits in Central Europe and in the spreadsheet classiļ¬cation scheme... . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.2... . . . . . . . . . . . . . . . 51.3.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.3.... . . . . . . . . . . . . . . . . . 51.4.4. Pyrophyllite . . . . . . . . . . . . . . . . . . . . . ....epigenetic and diagenetic mineral deposits in Central Europe . . . . . . . 54. Conclusions ā the importance | | | Journal (article/letter/editorial) | | 1ā420 by a pilot project on mineral deposits in Central Europe and in the spreadsheet classiļ¬cation scheme... . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.2... . . . . . . . . . . . . . . . 51.3.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . . . . 51.3.... . . . . . . . . . . . . . . . . . 51.4.4. Pyrophyllite . . . . . . . . . . . . . . . . . . . . . ....epigenetic and diagenetic mineral deposits in Central Europe . . . . . . . 54. Conclusions ā the importance |  | | Report (issue) | | porphyry copper deposits in the Cascade geologic province. .... .j................. Estimates of metal endowment...the northern spotted owl in the Cascade geologic province (fig. 1) was assessed for tracts that are permissive...of the metal endowment of the Cascades geologic province entails three basic steps: (1) delineation of...porphyry copper deposits in the Cascade geologic province. Eight million metric tons of copper are present...44-51-20N 120-57-19W 47-29-40N Van Epps, Pickwick Mine 122-04-51W 121-46-OOW 47-09-40N 46-21-23N 121-18-22W |  | | Report (volume) | | Utah--Federal Bldg., Rm. 8105,125 South State St. SAN FRANCISCO, California--Customhouse, Rm. 504, 555...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 |  | | Book (edition) | | ā¢ t --ā¢- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and...accident that great industrial centers sprang up in central England, in France, and in the Great Lakes and...developing an annual ton of new copper capacity from mine through the refinery without intrastructure costs...fold in three years. As an example, the " Surface Mine Control and Reclamation Act,' ' which was initially |  | | Book | | disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...(1955), a metallogenic province may be defined as a mineralized area or region containing mineral deposits...The size of a metallogenic province can be as large as the Superior Province (Canadian Shield) or as small...as the Upper Michigan Peninsula native copper province. Similarly, a metallogenic epoch can be as broad |  | | Book | | Goldfields Exploration Gold Mines Of Australia Great Central Mines and Centaur Mining and Exploration Ltd Newcrest...process of field observation as an industry-based mine and exploration geologist. The opportunity to visit...Clay-Carbonate, Sulphide Advanced Argillic, Pyrophyllite, Silica-Alunite Hematite ā Red Rock Magnetite-Albite...Specimen of vein material from the St Patrick tin mine, near lrvinebank, Queensland (Herberton tinfield)...infill mineral (siderite?). 1 Mt Gibson topaz-tin region, Mt Garnet, Queensland, Australia. Void space, |  | | Report (volume) | | and 1970s were decades of mineral exploration and mine development unprecedented in the northwestern Cordillera...the 30 years since the opening of the Bethlehem mine in late 1962, porphyry mines in British Columbia...m deposit, in the unglaciated Dawson Range of central Yukon, is unique in Canada in that a gold-rich...the Panhandle and the Fort Knox deposit in east-central Alaska has added excitement and impetus for exploration...following the last major thermal disturbance in the region, rather than the actual age of intrusion. Research |  | | Report (issue) | | highest-lying diamond pipe. Commissioning Letseng mine at 10 500 feet during the last two years has called...Whatever you're mining, wherever you're mining, mine it on Bridgestones Bridgestones ā for all the variables...Operating conditions differ enormously from mine to mine. Not only are there variations in the kind of...Whatever youāre mining, wherever youāre mining, mine it on Bridgestones. iaaseinn Money ā BRIDGE STONE... North America Central and South America Australasia Far East Southern Africa Central and East Africa |
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