 | | 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 (“adamellite”)...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 “granodiorite” porphyry at Mamut contains small amounts of normative corundum suggesting |  | | Journal (article/letter/editorial) | | and galena at deeper part, while enargite and stibnite at shallower levels associated with advanced argillic...inclusions in vuggy veinlet quartz associated with stibnite (stage 4) consist mainly of 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)...amount of sphalerite, galena, tetrahedrite and stibnite cut across the porphyry system (Figs. 2, 3). Enargite |  | | Journal (article/letter/editorial) | | 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);...(ppb) (%) Bozshakol + INDONESIA Grasberg* MALAYSIA Mamut/l* Mamut/2* PAPUA NEW GUINEA Ok Tedi/l* Ok Tedi/2*...(for Pd, Pt, Ni, Ag, Bi), covellite (for Cu), stibnite for Sb, pyrite (for Fe), and synthetic PdBiTe |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | isotope ratios of cinnabar from Hg deposits and stibnite, jamesonite and berthierite from Sb deposits in...δ34S values of cinnabar from the Hidaka-Kitami district, central Hokkaido, including the Itomuka and Ryushoden...deposits). On the other hand, the δ34S values of stibnite from all areas in Japan range from –14 to +5 ‰...The relatively high δ34S values of cinnabar and stibnite higher than +2 ‰ from southwestern Hokkaido, eastern-central...δ34S values of cinnabar from the Hidaka-Kitami district, central Hokkaido, is difficult to explain at |  | | 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 |  | | 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 |  | | 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 ί 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 |  | | Report (volume) | | rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...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...represents an individual deposit (or, rarely, a district), cumulated in ascending grade or tonnage. Where...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) | | complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...the Eastern Cordillera at the California-Vetas District (Domain 23) (Sillitoe and others, 1982). Undiscovered...successful in exploration of the Viburnum Zn-Pb district of southeast Missouri, U.S.A. (Pratt, 1981). Electromagnetic...to nearby alkaline dikes that occur in the Muzo district. High salinity fluid inclusions suggest temperatures...preliminary ground magnetic survey at a known district should indicate feasibility of using the magnetic |  | | 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 |  | | Report (issue) | | fluids in the Yerington, Nevada, porphyry copper district and concluded that an aqueous fluid, rich in sodium...copper-bearing mineral assemblages at the Lakeshore mine in Arizona, as follows: chalcocite zone, brochantite...solutions (Hartley and Rice, 2005). At the Lakeshore mine in Arizona, Cook (1988) found chrysocolla mineralization...underground or open-pit mining methods may be used to mine the skarn deposits. Sulfide ores are generally crushed...extract copper (Lynch and others, 1994). Volume of Mine Waste and Tailings Due to the low percentages of |  | | Report (volume) | | (1984) and deposits in Arkansas, the Cuddapah district of India, and some of the deposits in the Selwyn...in a stratiform body in schist at the Homestake mine in British Columbia. There is a distinct absence...barite occurrences in eastern Yukon and western District of Mackenzie: Canada Geological Survey Paper 82-lC...scale sedimentary features in the Arkansas barite district, in Amstutz, G.C., ed., Sedimentology and ore...coppermolybdenum Columbia Ingerbelle, British Columbia Mamut, Malaysia Marcopper, Philippines Ok Tedi, Papua New Guinea |  | | Book | | time. The materiał excavated from the underground mine was of much better quality - less crackcd and weathered...Poprzednie ~trony:J fasywna miedź rO'lzhn. Caledonia Mine, Ontonagon County, Michigan, USA. 300xl 80xl40 mm...Previous page!: .,fassiv~ native copr>er.C· ledonia Mine, Ontonagon County, Michigan, USA. 300x I 80xl40...---· Native copper Cu on matrix. ½'hite Chapel Mine, Michigan, USA. J45x J 30x45 mm. ne njeregularnie...chalcocite Cl½Sin black copper-bearing shale. "Rudna" Mine. 70x70x30 mm. kruszco\,11ch w złożach monokliny |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |  | | Report (issue) | | EJEMPLOS High Plateau, Del Norte County, USCA Goto Mine, Luzon, PLPN (Wells y otroa, 1946) (LeBlano y Violette...Nombre Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...etc Buttercup Chrome Camden Mine Campbell Camptonville area Castro Mine Cattle Springs Cavyell Horse...Cleopatra Clover Leaf Codd Prospect Coggins Collard Mine Commander Coon Mt. Nos. 1-3 Copper Creek (Low Divide)...Fourth of July French Hill Friday Gallagher Gardner Mine Gas Canyon Geach Gibaonville Gill (Gill Ranch) Gillan |  | | Report (issue) | | fluids responsible for gold deposition, Alleghany district, Sierra County, California, 26 McMillan, W. J...Upper Cretaceous turbidite sequence, Hope-Sunrise district, southern Alaska, 5 Radtke, A. S., Wittkopp, R...of gold-bearing quartz veins of the Alleghany district, California (abs.), 25 Robyn, T. L., Henage, L...Geology and mineralization of the Washougal mining district, Skamania County, Washington, 15 Shreiner, Alexander...some of the vein deposits, Bunker Hill mine, Couer d'Alene district, Idaho, 23 Yeend, Warren, Placer gold |  | | Book | | Professor Crawford says: ''the diamonds in the Pilbara district of northwest Australia may have come from sources...was recognized almost as soon as men started to mine them thousands of years ago. The concept of the...dsewhere, niost geologists look at the rocks of a district. attenipt to work out the sequence of their deposition...\\'ajrakarur in the Ananatapur District, anDistrict of Andhra Pra...isotope ratios that are very uniform within each district, and are related on a worldwide basis by a simple |  | | Book | | labour unrest may change an economic mine into an uneconomic mine. In the debate about national and international...would not be a factor in the actual planning o f mine operations. Probable or semiproved ore. Adjacent...which can change with time and can vary from mine to mine. T o allow for these factors, reserves are sometimes...may decrease if rising costs make it uneconomic to mine a given deposit or if prices fall sufficiently to...simple statistic may be useful for an individual mine, in that it provides a mining company with a measure |  | | Book | | making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated... . The main period of ore deposition within a district seems to represent a relatively short time span...base of the Complex (Vermaak, 1976). At the Atok mine, platinoid minerals tend to occur at the boundaries...the dominantly Mesozoic granites of Indonesia, Malaysia, Burma, Thailand, and southeast¬ ern China. Smaller...cassiterite veins that supplied the placers in Malaysia, most tin comes from late Paleozoic and Mesozoic |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...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...Tholeiitic-komatiitic suites Ni-sulfide Kambalda district, W. Australia Pechanga, Russia Diamond Kimberly...complexes Fe-Ti oxide - Apatite Kiruna district, Sweden Roseland district, USA Granitic pegmatites* Sheet |  | | Report (issue) | | Average composition from various types of ore, Thierry mine, Ont. ACANTHITE. Sakharova and Bryzgalov, Mineral...87M/2325 (1987) Analyses (not in abs.) from'Koryu mine, Hokkaido, Japan AIKINITE. Boldyreva (Zap. Vses...(1984). Indigo-blue fluorapatite from King Lithia Mine, S. Dak. Microprobe analyses (4). APATITE. Worner...Ba)Alo(AsO l4 )2(OH)cH20 (crandallite group) from Clara mine, Beach Forest. Analysis, x-ray data, G 3.35, nearly...(1985). Minor elements in (7), Eastern Desert gold mine, Egypt. ARSENOPYRITE. Fortey et al. (Proc. Yorkshire |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...evolution of the world class Siguiri orogenic gold district (Guinea, West Africa) ..........................processes in the orogenic gold deposit of the Pampalo mine, Hattu schist belt, eastern Finland . . ..........Alfons Berger & Ole Christiansen Svartliden gold mine: shear zone and BIF-hosted orogenic gold deposit...native silver association in the Cu-Ag deposit, Lubin mine, Fore-Sudetic Monocline (SW Poland) ........... |
|
