 | | Journal (article/letter/editorial) | | Genesis of the Mamut Porphyry Copper Deposit, Sabah, East Malaysia Akira IMAI Abstract: The Mamut deposit of...of Sabah, East Malaysia, is a porphyry type Cu-Au deposit genetically related to a quartz monzonite (âadamelliteâ)...Miocene Mount Kinabalu plutonism. The genesis of the Mamut deposit is discussed based on petrology of the intrusives...studies. Groundmass of the adamellite porphyry at Mamut is rich in K which suggests vapor transport of alkaline...groundmass of the post-ore âgranodioriteâ porphyry at Mamut contains small amounts of normative corundum suggesting |  | | Journal (article/letter/editorial) | | chalcopydte and pyrite. Bornite is less frequent and molybdenite occurs in traces only. PGM (merenskyite, sperrylite...identifizierbares Pd-Sb- Tellurid (in der Lagerst/itte Mamut) als Einschltisse in Chalkopyrit festgestellt. Pd...Russia, Armenia, Uzbekistan, Kazakhstan, Indonesia, Malaysia, Papua New Guinea and the Philippines. Location...(Kasakhstan); 29 Grasberg (Indonesia); 30 Mamut (Malaysia); 31 Ok Tedi; 32 Panguna (Papua New Guinea);...supergene chalcocite and covellite also occur. Molybdenite and other minerals occur in traces only. Methods |  | | 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 |  | Imai, Akira, Ohbuchi, Yukiko, Tanaka, Takayuki, Morita, Seiya, Yasunaga, Kentaro (2007) Characteristics of Porphyry Cu Mineralization at Waisoi (Namosi District), Viti Levu, Fiji. Resource Geology, 57 (4) 374-385 doi:10.1111/j.1751-3928.2007.00031.x | Journal (article/letter/editorial) | | of Porphyry Cu Mineralization at Waisoi (Namosi District), Viti Levu, Fiji Akira Imai1, Yukiko Ohbuchi1...Abstract The porphyry Cu deposits at Waisoi in Namosi district, Viti Levu are separated into two deposits: the...pyrite assemblage associated with traces of molybdenite and native gold. Polyphase fluid inclusions in...deposits at Waivaka Corridor and Waisoi in Namosi district, Viti Levu, are representative porphyrytype deposits...al., 2003, 2004, 2006). The Cu deposits in the district have been explored since the early 20th century; |  | | Journal (article/letter/editorial) | | 3) stringer quartz veinlets associated with molybdenite in sericite alteration, and 4) WNW-trending quartz...inclusions in veinlet quartz associated with molybdenite (stage 3) are dominated by gas-rich inclusions...through the Cenozoic in the island arc setting in mine was operated by Benguet Corporation by an open pit... 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 |  | | Journal (article/letter/editorial) | | Chalcopyrite-Au mineralization associated with molybdenite is recognized in the deeper zone in the breccia...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 |  | | Journal (article/letter/editorial) | | quartz monzonite pluton which is associated with the Mamut porphyry copper deposit (Imai, 2000a). Imai (1994)...Sipalay deposit is situated, Cebu where the Atlas mine consisting of the Biga, Carmen and Lutopan deposits...bornite; cp, chalcopyrite; di, digenite; mo, molybdenite; py, pyrite. See Appendix I for the analytical...in the Mount Kinabalu quartz monzonite, Sabah, East Malaysia: sulïŹde melt immiscibility in a highly silicic...A. (2000a) Genesis of the Mamut porphyry Cu deposit, Sabah, East Malaysia. Resour. Geol., 50, 1â23. Imai |  | | Journal (article/letter/editorial) | | samples, sulphide concentrates, and chalcopyriteâmolybdenite flotation concentrates from porphyry Cu " Mo...metals are associated with either chalcopyrite or molybdenite. Copper shows a strong positive correlation with...Pd and Pt contents of both chalcopyrite and molybdenite in flotation concentrates are low, varying from...Platinum; Palladium; Porphyry Cu " Mo; Chalcopyrite; Molybdenite; Concentrates; Russia; Mongolia 1. Introduction...the Elacite deposit in Bulgaria, the Mamut deposit in Malaysia and the Grasberg deposit in Indonesia |  | PaĆĄava, Jan, VymazalovĂĄ, Anna, KoĆĄler, Jan, Koneev, Rustam I., Jukov, Alexander V., Khalmatov, Rustam A. (2010) Platinum-group elements in ores from the Kalmakyr porphyry CuâAuâMo deposit, Uzbekistan: bulk geochemical and laser ablation ICP-MS data. Mineralium Deposita, 45 (5) 411-418 doi:10.1007/s00126-010-0286-7 | Journal (article/letter/editorial) | | characterized by the presence of pyrite, chalcopyrite, molybdenite, and gold. A peak Pd content of 292 ppb was determined...(Tarkian et al. 2003); Skouries in Greece; Mamut in Malaysia; Ok Tedi and Panguna in Papua New Guinea;...4% Cu, 0.2â0.5% Mo, 0.5â0.6 g/t Au (V. A. Gornov, mine chief geologist, pers. com.) in the Kalmakyr open...field and is a part of the ChatkalâKurama ore district in eastern Uzbekistan (Fig. 2). The Cu mineralization...epithermal deposits in the ChatkalâKurama ore district in Uzbekistan also show a strong Ir and Pd depletion |  | 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%...alteration, the most widespread alteration in the district, extends from the deposit core outward and has...diorite at East Pulang. Molybdenite Re-Os dating shows that mineralization in the district occurred at 216.54 |  | | Journal (article/letter/editorial) | | alteration. Minor ore minerals are hematite, molybdenite, sphalerite, pyrrhotite, marcasite, hessite,...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...Tetrahedriteâtennantite Pyrite (nickelian, cobaltian) Molybdenite Sphalerite Marcasite Pyrrhotite Galena Clausthalite...frequently contains Ag. Molybdenite Clausthalite In both assemblages, molybdenite occurs only in traces |  | | Journal (article/letter/editorial) | | ÎŽ34S values of cinnabar from the Hidaka-Kitami district, central Hokkaido, including the Itomuka and Ryushoden...ÎŽ34S values of cinnabar from the Hidaka-Kitami district, central Hokkaido, is difficult to explain at...mercury deposits are known in the Hidaka-Kitami district, central Hokkaido (Fig. 1), including Ryushoden...MAT delta E mass spectrometer. The Hidaka-Kitami district, central Hokkaido (Fig. 1) vary isotopic compositions...Hinaga and Motegi deposit, located in the Yamizo district, present-day forearc basement high, mainly consisting |  | | Journal (article/letter/editorial) | | rocks is recognized in Japan. The Shiretoko sulfur mine was intermittently operated from 1878 to 1943. The...Shin-Ohtoyo deposit is located in the Harukayama district, 20 km west of Sapporo, in the southwestern Hokkaido...andesite: ca. 0.1 Ma to present). The Numajiri sulfur mine was situated on the western slope of the Adatara...Hishikari mine is located in northern part of Kagoshima prefecture, in so-called Hokusatsu district, southern...prefectures, approximately 8 km NE of the Hishikari mine, southern Kyushu (Loc. 8 in Fig. 1). The Masaki |  | | Journal (article/letter/editorial) | | correlation with molybdenum, especially because no molybdenite was noted in hand specimen or thin section, and...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 73:618±627 Kretschmar...MT (2000) Porphyry gold deposits of the Refugio district, Maricunga Belt, Northern Chile. Econ Geol 95:1445±1472 |  | | Report (issue) | | the Malala district of Sulawesi (Taylor and Van Leeuwen, 1980). Magnetite and molybdenite form fracture...River, PNG Galore Creek, B.C. Ingerbelle, B.C. Mamut, Malaysia Marcopper, Philippines Ok Tedi, PNG Panguna...Mineralization: Molybdenite 4pyrlte Magnetite 4-chaleopyrtte +born1te Phyllic Propytitte Molybdenite Write...Mineralization :Py rite Chateopyrite + pyrite + molybdenite Pyrite x ^Intense fracturing and |  | | Journal (article/letter/editorial) | | (Panagyurishte district) to the Caucasus (Jankovic 1977). In Bulgaria, the Panagyurishte district lies in the...quartz â magnetite â bornite â chalcopyrite ± molybdenite assemblage (Stage 1) is developed irregularly...ANALYTICAL TECHNIQUES Eighteen samples from the Elatsite mine were analyzed for their precious-metal and minor-...characteristics of the different mineralized levels in the mine. Three samples were taken from the flotation unit...map of the southern part of the Panagyurishte district, showing the main porphyry and epithermal deposits |  | | Journal (article/letter/editorial) | | The cylindricalorebodycontainschalcopyrite,molybdenite,and local tracesof bornitc. They are presentas...skarn-typemineralization.Specificmention was madeof molybdenite-bearing sericitized intrusivefloat andtracesof...veins, which carry pyrite, chalcopyrite,and molybdenite,andunderwentpostmineral faulting.On overlie the...andesitic tuff fragment (f) cutby prebreccia quartz-molybdenite veinlets. DDH M-25,830m.D. Sericitized quartzcemented...it accompanied introduction of majoramountsof molybdenite(up to 0.1%Mo) in at leasttwo generations of quartzor |  | | 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 |  | | 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 |  | 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...ore. Major ore minerals include chalcopyrite, molybdenite, as well as minor bornite and tetrahedrite. Major...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 |  | | 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 |  | 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) | | chalcocite. By-product minerals frequently include molybdenite and native gold. Other associated minerals may...± bornite, with pyrite and minor amounts of molybdenite. In some deposits, there is an advanced argillic...They defined âearly mineralizationâ wherein molybdenite was the sole ore sulfide mineral present. Subsequent...assemblages of molybdenite, pyrite + chalcopyrite, molybdenite, pyrite, chalcopyrite + pyrite, molybdenite + pyrite...observe early-stage molybdenite mineralization but did observe the later molybdenite + pyrite-bearing veins |  | | Journal (article/letter/editorial) | | , 1995, Summary of the geology of the Bingham District, Utah, in Pierce, F.W., and Bolm, J.G., eds.,... 1980, Fluorine in micas from the Henderson molybdenite deposit, Colorado: Economic Geology, v. 75, p... 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 |  | 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 |
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