 | | 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) | | SomeGeologic Featuresof theMmnutPorphyry CopperDeposit,Sabah,Malaysia H. K6SAK^ ^ND K. WAKITA Abstract The Ma...northwest-southeast-trending tectoniczone in the stateof Sabah,Malaysia. Coppermineralizationis associated with a potash-rich...bedsof tuff within the preoreelasticrock sequence. Mamut is a copper-golddepositwith a total ore reserve...age (Collenette,19.58;Liechti et al., 1960; ThE Mamut porphyrycopperdepositis locatedin Hutchison, 1968;...1968; Halle, 1969) which cover the the stateof Sabah,Malaysia,on the northernend of northern part of the |  | | 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 |  | | Journal (article/letter/editorial) | | telluride) have been found as inclusions in chalcopyrite. Pd and Pt are present in concentrations above...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...(Table 1). Most samples carry high contents of chalcopyrite and pyrite. In larger or smaller Platinum-group...(Kasakhstan); 29 Grasberg (Indonesia); 30 Mamut (Malaysia); 31 Ok Tedi; 32 Panguna (Papua New Guinea); |  | | Journal (article/letter/editorial) | | THE MOUNT KINABALU QUARTZ MONZONITE, SABAH, EAST MALAYSIA; SULFIDE MELT IMMISCIBILITY IN A HIGHLY...with the MountKinabaluquartzmonzoniticcomplex,Sabah,Malaysia (Fig. 1). The occurrencesuggests that a sulfidemelt...haveoccurredduringtheTertiary(Hamilton, 1979). The Mamut porphyrycopper-golddepositis associated with a satellitestockof...sulfideglobules havea simplemineralogy of pyrrhotiteand chalcopyrite,with inclusions suchas mainlya hornblende quartzmonzonitic...Ă // 11190 Fault FIC. 1. Geologicoutlineof Sabah(modifiedafterClennell,1991;Tongkul,1991), phyritic |  | 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...East deposit is characterized by the borniteâchalcopyriteâpyrite assemblage associated with traces of...West deposit is characterized by the borniteâchalcopyriteâpyrite assemblage accompanied with sheeted and...East and Waisoi West deposits, primary borniteâchalcopyriteâpyrite assemblage in the high Cu-grade zone |  | | 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...the top, although information from drillholes and mine exposures is more limited. Sulfide zoning usually...with high chalcopyrite/ pyrite ratios, and (3) an outer high-sulfide zone with low chalcopyrite/pyrite ratios...report maximum concentrations of 1000 ppm As in chalcopyrite from unspecified localities. Obviously, As/Cu |  | | Journal (article/letter/editorial) | | associated with quartz-anhydrite stockworks are chalcopyrite and pyrite with minor bornite and Bi-Te-bearing...infilling in the interstices between clasts. Chalcopyrite-Au mineralization associated with molybdenite...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 |  | | Journal (article/letter/editorial) | | stockwork amethystic quartz veinlets associated with chalcopyrite, bornite, magnetite and Au enveloped by chlorite...quartz veinlets with chalcopyrite and pyrite associated with Au and chalcopyrite and pyrite stringers...associated with advanced argillic alteration. Chalcopyrite and bornite associated with magnetite in quartz...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) |  | | Journal (article/letter/editorial) | | mineral assemblage is discussed. Bornite and chalcopyrite are major copper ore minerals associated with...bornite, digenite, chalcocite and chalcopyrite, âBâ veinlets having chalcopyrite± bornite along vuggy center-line...center-line, rare âCâ chalcopyrite-quartz veinlets, and late âDâ veinlets consisting of massive pyrite and...are thought to be chalcopyrite + bornite solid solution (bnss) for the chalcopyrite-bearing assemblage...chalcocite-digenite solid solution and bnss for the chalcopyrite-free assemblage. Keywords: Batu Hijau, porphyry |  | | Journal (article/letter/editorial) | | bornite and chalcopyrite with traces of calaverite. The d34S of bornite and subordinate chalcopyrite of bornite...associated with quartz veinlets such as bornite and chalcopyrite ranging from -4.7â° to â«Ÿ0.0â°. This suggests that...and Geosciences, 1982; 1986). consisting of chalcopyrite and pyrrhotite associated with felsite dike...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 |  | Stribrny, B., Wellmer, F. -W., Burgath, K. -P., OberthĂŒr, T., Tarkian, M., Pfeiffer, T. (2000) Unconventional PGE occurrences and PGE mineralization in the Great Dyke: metallogenic and economic aspects. Mineralium Deposita, 35 (2) 260-280 doi:10.1007/s001260050019 | Journal (article/letter/editorial) | | redistributions should be kept in mind during planning and mine operation. Investigations of unconventional PGE...porphyry copper deposits, for example from Mamut, Malaysia, Santo Tomas, Philippines, Editorial handling:...Kupferschiefer, Poland Bregu i Bibes, Albania Mamut, Malaysia Ok Tedi, Papua New Guinea Elacite, Bulgaria...Page 1986), mine production of PGE has only commenced recently at the Hartley Platinum mine (Broken Hill...maintenance) some 70 km south-west of Harare, and at Mimosa mine (ZIMASCO) near Zvishavane. Further exploration projects |  | | 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 |  | 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) | | is characterized by the presence of pyrite, chalcopyrite, molybdenite, and gold. A peak Pd content of...porphyry, which contains galena, sphalerite, chalcopyrite, tetrahedrite, and gold. Palladium correlates...confirmed that Pd is homogeneously distributed in chalcopyrite, which contains up to 110 ppm Pd, and tetrahedrite...(Tarkian et al. 2003); Skouries in Greece; Mamut in Malaysia; Ok Tedi and Panguna in Papua New Guinea;...minerals (PGM) which occurred as inclusions in chalcopyrite. Palladium is recovered as a by-product during |  | | Journal (article/letter/editorial) | | mineralized samples, sulphide concentrates, and chalcopyriteâmolybdenite flotation concentrates from porphyry...that precious metals are associated with either chalcopyrite or molybdenite. Copper shows a strong positive...0.57 ĆœAgâAu.. The Pd and Pt contents of both chalcopyrite and molybdenite in flotation concentrates are...The highest gold content, 5450 ppb Au, is in chalcopyrite flotation concentrate from the Aksug deposit...Keywords: Platinum; Palladium; Porphyry Cu " Mo; Chalcopyrite; Molybdenite; Concentrates; Russia; Mongolia |  | | Journal (article/letter/editorial) | | but few copper sulïŹdes such as bornite and chalcopyrite in quartz veins, as observed in SBD257. Quartz...such as bornite and chalcopyrite in spite of the depth. Bornite and chalcopyrite occur as inclusions...magnetite. On the other hand, blebs of bornite and chalcopyrite inclusions in magnetite grains, which are recognized...brought the copper sulïŹdes such as bornite and chalcopyrite to the deep part of the Batu Hijau deposit....3% copper (Clode et al., 1999). Production in the mine started in 1999 by open pit extraction. Several |  | | Journal (article/letter/editorial) | | contains arsenopyrite pyrite > pyrrhotite > chalcopyrite, lacks K alteration and, instead, contains vein...moderately high f S2 conditions (pyrite-bornite-chalcopyrite). In addition, ores at Shotgun contain primary...bismuth, Bi-Te sulÂźdes, arsenopyrite, bornite, chalcopyrite, cubanite, loellingite, maldonite, pyrrhotite...mineral, with lesser amounts of pyrite>pyrrhotite> chalcopyrite. Arsenopyrite, associated with early alteration...10±200 lm inclusions of loellingite, pyrrhotite, chalcopyrite and (rarely) cubanite, as well as <1±3 lm inclusions |  | 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...alteration. Hypogene pyrrhotite is intergrown with chalcopyrite and mainly occurs in chlorite-illiteâ and q |  | | Journal (article/letter/editorial) | | distinguished: (1) magnetiteâborniteâchalcopyrite, and (2) chalcopyriteâpyrite. The ïŹrst one is linked to...concentrated more strongly in the magnetiteâ borniteâchalcopyrite assemblage. Average grades of Au, Ag, Pd and...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...(for Fe), galena (for Pb), sphalerite (for Zn), chalcopyrite (for S and Cu), synthetic PdSb (for Sb) and |  | Imai, Akira, Shinomiya, Jumpei, Soe, Maung Thiha, Setijadji, Lucas Donny, Watanabe, Koichiro, Warmada, I Wayan (2007) Porphyry-Type Mineralization at Selogiri Area, Wonogiri Regency, Central Java, Indonesia. Resource Geology, 57 (2) 230-240 doi:10.1111/j.1751-3928.2007.00019.x | Journal (article/letter/editorial) | | et al. Fig. 3 Topographic map of the Selogiri district, showing the locality of the samples outside the...stockworks in Selogiri locally containing pyrite, chalcopyrite, bornite and covellite. A half-circular depression...Whole-rock composition of igneous rocks in the Selogiri district Sample no. S040819-02 S040819-06 S040819-07...are accompanied by base metal sulfides such as chalcopyrite, sphalerite and galena in addition to common...whole-rock composition of igneous rocks in the Selogiri district. The field of adakite and typical arc rocks are |  | | 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) | | porphyryplug of approximatelythe In this sericite zone, chalcopyrite is the dominant samedimensions(Carson et al...Granisle showinghalite (H), sylvite (S), and chalcopyrite-(?) (Cp?) daughters. Large numberof sylvitedaughtercrystalsis...from the first der, 1971: Moore and Nash, 1974), Mamut (Imai et al., 1976), and SantoTomasII (Takenonchiand...from the relative abundance of in- Binghamand Mamut(KosakaandWakita, 1978), 60 J. PV. J. WILSON,...Kosaka, of theMamutporphyry copper deposit, Sabah, Malaysia: ards,T. A., 1976,Bell copper:geology,geochemistry |  | 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) | | porphyritic intrusion contains a quartzâmagnetite±chalcopyriteâpyrite vein stockwork with intense potassic...syenite and mafic porphyry dykes and quartzâchalcopyriteâbornite±magnetite veins which host the majority...platinum-group minerals (PGM) in the quartz-chalcopyriteâbornite±magnetite veins and within potassic... Aksug, Zhireken and Mikheevskoe, Russia; Mamut, Malaysia and Fengshan, China (Table 1, AugĂ© et al.,...stage in the Elatsite, Santo Tomas II, Kalmakyr, Mamut and Majdanpek deposits. The Elatsite and Santo Tomas |  | | 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 |  | 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...Elevated copper and gold grades correspond to (a) chalcopyriteâbornite assemblage in the potassic alteration...veinlets and (b) chalcopyrite-rich mineralization associated with the chalcopyriteâmagnetiteâ chlori...Temperature data from the chlorite indicate that the chalcopyrite-rich mineralization associated with the chloriteâmagnetite |
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