 | | Journal (article/letter/editorial) | | Columbia, the Philippines, Sulawesi, Papua New Guinea, Sabah and Puerto Rico. Gold is normally present in potassium...examinations of deposits in the Philippines and Sabah, suggests that local factors related to the internal...GALORECREEK,B.C. 12. AMACAN, " FISH LAKE, B.C. 13. MAMUT, Sabah SANTOTOMASIf, Philippines t4. PANGUNA,Bou(Jo(nvillels...At Bajo de La Alumbrera in the Faral16n Negro district, Catamarca province, northwest Argentina, an oval...quartz-bearing, volcanic rocks in the Farall6n Negro district have been assigned to the shoshonitic suite (Dostal |  | | Book | | London, Geological Society of Malaysia, Jabatan Mineral dan Geosains Malaysia, Oxford University Press and... The first reliable geological observations on Sabah were by Hatton (1885), a young mineral explorer...Borneo. Although, he never set foot in Sarawak or Sabah, but had journeyed through Kalimantan. He collected...journeys of some mineral prospectors in his account of Sabah, but he did not mention the real geological explorers...already well advanced before that of Sarawak and Sabah (then North Borneo). The international border between |  | | Journal (article/letter/editorial) | | Porphyry copper deposits account for 60% of the world's mine production of copper and constitute 80% of ore reserves... Valley Copper (Sutherland Brown, 1976) l Malaysia: Mamut (Kosaka and Wakita, 1978; Titley, 1978; Nishiyama...clay minerals + sericite. Propylitic: Presence of epidote and/or chlorite. Typical horizontal alteration...the top, although information from drillholes and mine exposures is more limited. Sulfide zoning usually...This is suggested by the data from the Mamut porphyry, Malaysia, where chalcopyrite has less than 1 ppm |  | | Journal (article/letter/editorial) | | through the Cenozoic in the island arc setting in mine was operated by Benguet Corporation by an open pit... 2, 2005 Propylitic (chlorite/epidote) Propylitic (chlorite/epidote) Advanced argillic (quartz/kaolinite/alunite)... Fig. 2 Geology and alteration map of the Dizon mine and the vicinity (modified after Malihan, 1987)...1987), namely âpre-mineralization Quartz diorite Mine level microdiorite (referred to as diorite Quartz...and stringer veinlets (Fig. 4A) as described at Mamut (Imai, 2000a) and Lapanto-FSE (Imai, 2000b). The |  | | Journal (article/letter/editorial) | | enargite-luzonite CuAu deposit in the Mankayan Mineral District, Benguet Province, northern Luzon, Philippines...widely distributed in the western part of the district on the western flanks of the Luzon Central Cordillera...rocks. The Philippine Fault gets split in this district, resulting in numerous NW-SE and conjugate NE-SW...Mineral District is located north of Baguio, in the Luzon Central Cordillera. The Baguio district is famous...and Au-bearing skarn deposit of the Thanksgiving mine (Callow, 1967). The geologic outline and distribution |  | Cao, Kang, Yang, Zhi-Ming, Mavrogenes, John, White, Noel C., Xu, Ji-Feng, Li, Yang, Li, Wei-Kai (2019) Geology and Genesis of the Giant Pulang Porphyry Cu-Au District, Yunnan, Southwest China. Economic Geology, 114 (2) 275-301 doi:10.5382/econgeo.2019.4631 | Journal (article/letter/editorial) | | and Genesis of the Giant Pulang Porphyry Cu-Au District, Yunnan, Southwest China Kang Cao,1,2 Zhi-Ming...States Abstract The giant Pulang porphyry Cu-Au district (446.8 million tonnes at 0.52% Cu and 0.18 g/tonne...Tethyan orogenic belt in southwest China. The district consists of three deposits: South Pulang (~96%...at Pulang includes five main types: K-silicate, epidote-chlorite, chlorite-illite, quartz-illite, and clay...quartz diorite. Epidote-chlorite alteration, the most widespread alteration in the district, extends from |  | | Journal (article/letter/editorial) | | relatively rare, but include biotite, chlorite, epidote, garnet, rutile, and tourmaline. Feldspathic alteration...replaced by microcrystalline or `shreddy' biotite, epidote, chlorite, and rutile. This alteration occurs sporadically...rarely contain hypogene pyrrhotite, such as Mamut, Malaysia (Kosaka and Wakita 1978), and 17 Mile Hill...Some geologic features of the Mamut porphyry deposit, Sabah, Malaysia. Econ Geol 73:618Âą627 Kretschmar...MT (2000) Porphyry gold deposits of the Refugio district, Maricunga Belt, Northern Chile. Econ Geol 95:1445Âą1472 |  | Cirineo, Avriel Venis L., Imai, Akira, Takahashi, Ryohei, Baluda, Redempta P., Oliveros, Noel C., Maglambayan, Victor B., Luis, Roy Ronald C., Faustino, Maria Lourdes M., Almadin, Jacky (2021) Overprinting
porphyryâtype
veinlets on the intrusive rocks and phreatomagmatic breccias in the Southwest prospect, southwestern Sto. Tomas
II
(Philex), Baguio District, Philippines. Resource Geology, 71 (1). 1-40 doi:10.1111/rge.12242 | Journal (article/letter/editorial) | | prospect, southwestern Sto. Tomas II (Philex), Baguio District, Philippines Avriel Venis L. Cirineo1 | Akira...II porphyry copperâgold deposit in the Baguio District, northwestern Luzon, Philippines. The Southwest...other porphyry deposits in the Baguio District. KEYWORDS Baguio District, diatreme, fluid inclusion microthermometry...2011; Braxton and Waters, 2012). In the Baguio District, an overprinting relationship between intrusive...copper and gold deposit, a 60-year-old block-caving mine being operated by the PMC. Significant occurrences |  | | Journal (article/letter/editorial) | | Elatsite (Bulgaria), Biga (Philippines) and Mamut (Malaysia) porphyry deposits (Tarkian and Stribrny 1999)...Elatsite deposit is the largest, active porphyry copper mine in Bulgaria. Since 1981 over 165 Mt of ore at 0...primary and secondary biotites. In addition, albite, epidote, sericite, anhydrite and, occasionally, calcite...ďŹotation concentrates from Majdanpek/Serbia, Mamut/Malaysia and Biga/Philippines (Tarkian and Stribrny...or calc-alkaline (Majdanpek, Medet, Bozshakol, Mamut, Ok Tedi: Tarkian and Stribrny 1999). Geotectonic |  | | Book | | Ohya Mine, Miyagi Prefecture ... . ... . . . .. . .................(H. Imai). . .. 3. Takatori Mine, Ibaragi...Kim, Y. Fujiki and S. Takenouchi).... 5. Komori Mine, Kyoto Prefecture . . . ..... .. . .....(H. Imai...Structure and Fluid Inclusion Studies at the Taishu Mine, Nagasaki Prefecture ..... .... ...(H. fmai, S....7. Sado Mine, Niigata Prefecture .... ............ (H. Imai and M. Buono).... 8. Mikawa Mine, Niigata...Osarizawa Mine, Akita Prefecture .... .... ........... ....... (H. Imai).... 10. Ani Mine, Akita Prefecture |  | | Journal (article/letter/editorial) | | com/locate/epsl minerals were partly altered to epidote, actinolite and chlorite. The tonalite sample shows...Silicates Biotite K-feldspar Actinolite Chlorite Epidote Quartz Sphene Plagioclase Sericite Oxides Magnetite... a a a forms veinlets less than 1 mm wide. Epidote occurs as replacement of the ma¢c minerals. An...minerals. They also contain actinolite, chlorite and epidote. Biotite usually occurs as a very ¢ne-grained crystal...type is mainly composed of actinolite, chlorite, epidote and calcite; it does not contain either biotite |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Los Pelambres Los BroncesRĂo Blanco El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00...$6.00 Deposit clusters and alignments At the district scale, porphyry Cu systems and their contained |  | McFall, Katie A., Naden, Jonathan, Roberts, Stephen, Baker, Tim, Spratt, John, McDonald, Iain (2018) Platinum-group minerals in the Skouries Cu-Au (Pd, Pt, Te) porphyry deposit. Ore Geology Reviews, 99. 344-364 doi:10.1016/j.oregeorev.2018.06.014 | Journal (article/letter/editorial) | | Aksug, Zhireken and Mikheevskoe, Russia; Mamut, Malaysia and Fengshan, China (Table 1, AugĂŠ et al.,...stage in the Elatsite, Santo Tomas II, Kalmakyr, Mamut and Majdanpek deposits. The Elatsite and Santo Tomas...sulphide concentrates from Aksug, Majdanpek and Mamut (where sperrylite [PtAs2] was also identified; Tarkian...(Figure 1). It is part of the Kassandra mining district (Kroll et al., 2002), in the Serbomacedonian metallogenic...2007; Harris et al. 2013). The Kassandra mining district consists of several magmatic-hydrothermal ore |  | | Book (edition) | | ............. 946 IV.3. North Borneo (Sarawak, Sabah, Brunei) .........................................Proc. AAPG-GSM Int. Conf. 1994, Bull. Geol. Soc. Malaysia 37, p. 363-394. (online at: https://gsmpubl.files...mineralisation in Southeast Asia. Bull. Geol. Soc. Malaysia 40, p. 77-111. (online at: https://gsmpubl.files...of SE Asia, Kuala Lumpur 1972, Bull. Geol. Soc. Malaysia 6, p. 11-16. (online at: www.gsm.org.my/produ...subduction leading to emergence of land in C Borneo, Sabah and Palawan. Microplate or terrane concept of slicing |  | | Report (issue) | | mining district ...................................................... Pamlico mining district .........mining district ...................................................... Pamlico mining district .........of the Lucky Boy mining district 2. Geologic map of the Pamlico mining district ABSTRACT Mineral deposit...magmatic arc include W skarns (Gardnerville mining district), W veins, a low-F porphyry Mo deposit (Pine Nut...Gardnerville mining district), and Au-Cu quartz-tourmaline veins (Peavine mining district). Tertiary deposits |  | | Journal (article/letter/editorial) | | the silver contentappearsto vary di- chlorite, epidote, calcite, prehnite, and pyrite, as The main inner...COLOMBIA 119 nor sphalerite-poor skarnis richerin epidote,pyrite, chalcopyrite, and magnetite.Skarnis transitional...6). It comprises fine-grained garnet,diopside, epidote,andpyrite,part of whichis intergrownwith chalcopyrite...fracturedlate-mineraldaciteporphyrymay reasonably at Mamut,Sabah(K$saka andWakita,1978);Koloula, be assumedto...p. 1487-1447. 123 Mamutporphyrycopperdeposit,Sabah,Malaysia:ECONGEOL., v. 78, p. 618-627. Cox,D. P |  | | Journal (article/letter/editorial) | | hornblende and biotite as well as the predominance of epidote after plagioclase. In thin section, the chlorite..., 1995, Summary of the geology of the Bingham District, Utah, in Pierce, F.W., and Bolm, J.G., eds.,... A., 2000, Genesis of the Mamut porphyry Cu deposit, Sabah, East Malaysia: Resource Geology, v. 50, p...ore bearing fluids at Qaleh-Zari Fe-Oxide Cu-Au-Ag Mine, Iran: Journal of Sciences Islamic Republic of Iran |  | 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) | | located in the western part of the Jiurui CuâAuâMo district in the Late Mesozoic MiddleâLower Yangtze River...Allard Stock, La Plana Mountains and Copper King Mine in the USA, Skouries porphyry deposit in Greece...of these deposits, such as Elatsite, Majdanpek, Mamut, Biga and Skouries. Since then, PGMs have been reported...CuâMo deposit is located in the Jiurui mineralized district of the YRMB, consisting mainly of porphyry and...thickness (Chang et al., 1991). In the Jiurui district porphyry, skarn and strata-bound CuâAuâMo orebodies |  | | Report (issue) | | contain varying amounts of chlorite, calcite, and epidote, which have 2.32â2.35-Îźm absorption features (Salisbury...(sericite), magnetite, chlorite, anhydrite, and epidote. Other commonly occurring gangue minerals are rutile...fluids in the Yerington, Nevada, porphyry copper district and concluded that an aqueous fluid, rich in sodium...(sericite), albite, anhydrite, chlorite, calcite, epidote, and kaolinite. In silicate-rich rocks that have...the most common minerals are garnet, pyroxene, epidote, quartz, actinolite, chlorite, biotite, calcite |  | Zhou, Taofa, Wang, Shiwei, Fan, Yu, Yuan, Feng, Zhang, Dayu, White, Noel C. (2015) A review of the intracontinental porphyry deposits in the Middle-Lower Yangtze River Valley metallogenic belt, Eastern China. Ore Geology Reviews, 65. 433-456 doi:10.1016/j.oregeorev.2014.10.002 | Journal (article/letter/editorial) | | al., 2008). Lithological sequences exposed in the mine include mainly those of Carboniferous, Permian and...anticline in the eastern part of the mine. Many faults are recognized in the mine. Among these are, the largely...Dong, 1999). Lithological sequences exposed in the mine, from south to north, are Silurian- and Devonian...(Luo and Yang, 2007). The major structure in the mine is the ChangshanâChengmenghu anticline, with secondary...(brachy- anticlines and synclines). Major faults in the mine are ENE- (63â89° and SEdipping)-, NW-WNW- or NNE |  | | Journal (article/letter/editorial) | | Coipa, near the site of a long-abandonedvein silver mine, was discoveredin 1981 by Amaxde Chile (R. H. Sillitoeand]...averaging 1.2 g/metric ton Miocenevolcano Ă Au-Ag-(Cu)mine Au and133 g/metrictonAg, cameon streamin 1989 with...REâ˘RSEFAULT (t⢠Sâ˘+⢠câ˘R⢠onupâ˘rownside) NORMAL FAULT MINE ORPROSPECT I VOLCANIC CENTER FIG. 3. Schematicmapof...npartiallyoverprinted K acterizedby chlorite, epidote, calcite, and several silicatezonesat Refugioand...devoid of metals,and belt andthe Faral16nNegro district,alongwith poroverlainby acid-leachedzones.The |  | | Book | | Refining the Classification Using McCreedy West Mine and Podolsky Project Case Studies 163-180 C.E.G...Dyke, Zimbabwe - Case Study of the Hartley Platinum Mine A.H. Wilson, R.T. Brown 409-429 20. The Platinova...REFINING THE CLASSIFICATION: USING McCREEDY WEST MINE, AND PODOLSKY PROJECT CASE STUDIES C.E.G. Farrow...DYKE, ZIMBABWE â CASE STUDY OF THE HARTLEY PLATINUM MINE A.H. Wilson, R.T. Brown INTRODUCTION EXPLORATION...of the MSZ Nature of the MSZ at Hartley Platinum Mine PGE Distribution in the Ore Zone Stratigraphic PGE |  | | Journal (article/letter/editorial) | | Cu-Mo-Au porphyry deposits in the Cobre Panama district, which currently has a global resource of 4.2...faulting and extension that deformed the Cobre Panama district shortly after ore formation at 29 to 28 Ma. Introduction...Botija deposit is located in the Cobre Panama district (previously known as Petaquilla project) approximately...Caribbean coast at 8°84' N and 80°65' W (Fig. 1). The district contains several porphyry copper deposits that...et al., 2015). MPSA is currently constructing a mine and has slated production to begin at the Botija |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...(Fig. 28-12). The gold deposits in the Georgetown district are of Proterozoic age. From Branch (1966), with...joints ~~jr-*~z?Z. Joint pattern ÎŻ Quarts veins ft Mine; fr-iron, Cwcefiper, m U.S. Homestead mmmww** Vehicle |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...(Fig. 28-12). The gold deposits in the Georgetown district are of Proterozoic age. From Branch (1966), with...accumulated in endocontact stockworks. The small Jessie mine in the Breckenridge field (about 2 t Au; Lovering |
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