 | Manalo, Pearlyn C., Imai, Akira, Subang, Leo L., de los Santos, Mervin C., Yanagi, Kyoka, Takahashi, Ryohei, Blamey, Nigel J.F. (2018) Mineralization of the Northwest Quartz-Pyrite-Gold Veins: Implications for Multiple Mineralization Events at Lepanto, Mankayan Mineral District, Northern Luzon, Philippines. Economic Geology, 113 (7) 1609-1626 doi:10.5382/econgeo.2018.4606 | Journal (article/letter/editorial) | | MINERALIZATION EVENTS AT LEPANTO, MANKAYAN MINERAL DISTRICT, NORTHERN LUZON, PHILIPPINES Pearlyn C. Manalo,1,â Akira...Consolidated Mining Company, Makati City 1226, Philippines 4 Faculty of Engineering and Resource Sciences...situated 500 m east of the Lepanto fault in Mankayan, Luzon, Philippines. Most vein mineralization is hosted...indicate multiple mineralization events in the Mankayan district, which is one of the largest mineral...districts in the western Pacific. Introduction The Mankayan mineral district is a well-studied mineral district |  | | Journal (article/letter/editorial) | | 40Ar/39Ar Geochronology of the Baguio District, Philippines PATRICK J. WATERS,1 DAVID R. COOKE,2,â RENE I...DAVID PHILLIPS3 1 Anglo American Exploration Philippines Inc., 1101 Pearlbank Centre Building, 146 Valero...Salcedo Village, Makati City, Metro Manila, Philippines 2 CODES, the Australian Research Councilâs...district is located in the Central Cordillera of northern Luzon, Philippines. It contains numerous mineralized...Trench beneath northern Luzon produced a major batholith, the Central Cordillera Intrusive Complex, which |  | | Journal (article/letter/editorial) | | different naming tradition, IS deposits in the Cordillera have been termed âCordilleran polymetallic\base...âcarbonate-base metal Au depositsâ in the circum-Pacific region (e.g., Leach and Corbett, 1994; Corbett and Leach...sporadic IS deposits were also reported in Altiplano province (Noble et al., 1990) as well as central and Northern...Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua New Guinea (Sillitoe...polybasite-pearceite, and stephanite, 3) Ag tellurides, mainly hessite and petzite, and very sparse 4) native silver (La |  | | Journal (article/letter/editorial) | | Go|dfieldite from the Marian Gold Deposit, Northern Luzon, Philippines U. Knittel Department of Geology, University...University of Melbourne, Parkville, Victoria, Australia With 3 Figures Received September 20, 1988; accepted...Arsenian goldfieldite from the Marian Gold Mine, Philippines, which is hosted by the Cordon Syenite Complex...Goldfieldit aus der GoldlagerstiJtte Marian, Nord-Luzon, Philippinen As-reicher Goldfieldit der Marian Gold...(1907), who investigated ores from the M o h a w k Mine, Goldfield, Nevada. An analysis by Palmer, published |  | | Journal (article/letter/editorial) | | certain alkaline porphyry deposits, such as the Cordillera of British Columbia (Copper Mountain, Galore...Allard Stock, La Plana Mountains and Copper King Mine in USA [12,13], Skouries porphyry deposit, Greece...Elatsite, Bulgaria [16â19], Santo Tomas II in the Philippines [20,21] and elsewhere (Figure 1). The research...intergrowth between merenskyite (Pd,Pt,Bi)Te2, hessite (Ag2Te), electrum and Cu-minerals (bornite and...(rt), (c) chalcopyrite with electrum (el) and hessite (hs), and (d) chalcopyrite with (Pd,Pt)-tellurides |  | Cooke, David R., McPhail, Derry C., Bloom, Mark S. (1996) Epithermal gold mineralization, Acupan, Baguio District, Philippines; geology, mineralization, alteration, and the thermochemical environment of ore deposition. Economic Geology, 91 (2) 243-272 doi:10.2113/gsecongeo.91.2.243 | Journal (article/letter/editorial) | | Epithermal GoldMineralization, Acupan, BaguioDistrict,Philippines: Geology, Mineralization, Alteration,andthe Thermochemical...formedat 0.65 Ma at Acupan,Baguio district, Philippines, duringa periodof highK magmatism. Low-salinity...oneof several centralandsouthern sections of the mine(Fig. 2). It is the epithermal deposits in the B... EPITHERMAL Au MINERALIZATION, ACUPAN,BAGUIODISTRICT,PHILIPPINES 245 246 COOKE ET AL. Acupan !togon 'x... EPITHERMAL AuMINERALIZATION, ACUPAN, BAGUIODISTRICT,PHILIPPINES SHAFT 247 1400 â˘1200 1700 "â˘:â˘' ':'â˘' 1000 |  | | Journal (article/letter/editorial) | | Au-Ag-Te Mineralization, Acupan, Baguio District, Philippines: Numerical Simulations of Mineral Deposition...Earth Sciences, Monash University, P.O. Box 28E, Victoria 3800, Australia Abstract In this study, we discuss...inclusion and mineralogical studies of the Acupan gold mine, a large gold-silver-tellurium-bearing low-sulfidation...low-sulfidation epithermal deposit in the Philippines. Our numerical modeling results show that a single mineralizing...deposition and inhibited the precipitation of hessite and calaverite. Mixing of low-temperature ground |  | | Journal (article/letter/editorial) | | perspectives. We argue that this region is representative of the T ohoku province of northern Honshu and that...the late 1800s. Osarizawa, the last active vein mine, closed in 1978. Kuroko deposits, the main source...district in southwestern Honshu, the largest silver mine in Japan and one of the largest silver producers...indirectly, Hitachi, with ownership of the Hitachi (Cu) mine in Ibaraki Prefecture (Yamaguchi, 2004). In the...deposits at Far Southeast and Lepanto in the Philippines (Arribas Jr. et al., 1995), Qin and Ishihara |  | | Journal (article/letter/editorial) | | Solberg 1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs...polished sections of ores from the Royal Vindicator mine, Haralson County, and the Consolidated and Singleton...of twinned calaverite crystals from the Cresson mine, Cripple Creek, Teller County, Colorado. Dave Bunk...Conundrum mine, and thin-bladed crystals were found in the Captain stopes in the Portland mine. Elsewhere...Last Dollar mine. Calaverite partially altered to emmonsite was reported from the WPH mine. Subsequent |  | SahlstrĂśm, Fredrik, Arribas, Antonio, Dirks, Paul, Corral, Isaac, Chang, Zhaoshan (2017) Mineralogical Distribution of Germanium, Gallium and Indium at the Mt Carlton High-Sulfidation Epithermal Deposit, NE Australia, and Comparison with Similar Deposits Worldwide. Minerals, 7 (11) 213 doi:10.3390/min7110213 | Journal (article/letter/editorial) | | Tsumeb in Namibia, Kipushi in D.R. Congo and the Apex Mine in Utah; e.g., [7]), syngenetic or early diagenetic...deposits. The northern Bowen Basin is a metallogenic province related to Permocarboniferous magmatism in NE...galena, electrum and aggregates of intergrown hessite and petzite (Figure 3). A late stage of dickite...visits to the deposits, and include Lepanto (Philippines), Laurani (Bolivia), La Mejicana (Argentina)...post-mineralization units) Reference Lepanto (Philippines) HS Quarternary Island arc Andesite-dacite |  | Cooke, D. R., Wilson, A. J., House, M. J., Wolfe, R. C., Walshe, J. L., Lickfold, V., Crawford, A. J. (2007) Alkalic porphyry Au â Cu and associated mineral deposits of the Ordovician to Early Silurian Macquarie Arc, New South Wales. Australian Journal of Earth Sciences, 54 (2) 445-463 doi:10.1080/08120090601146771 | Journal (article/letter/editorial) | | PGE credits. The best-known alkalic porphyry province occurs in British Columbia, Canada (Lang et al...Wales as the worldâs second major alkalic porphyry province (Cooke et al. 2004b, 2006) (Table 1). The combined...Other provinces Skouries (Greece)p Dinkidi (Philippines)p Allard (Colorado)p 345 408 516.7 100 120 32...(1998) Wolfe (2001) Jensen and Barton (2000) m, mine; p, prospect. In the last ten years, only the recent...km of uplift and erosion occurred in the Cadia region from the Late Ordovician to the Middle Silurian |  | Catchpole, H., Kouzmanov, K., Putlitz, B., Seo, J. H., Fontbote, L. (2015) Zoned Base Metal Mineralization in a Porphyry System: Origin and Evolution of Mineralizing Fluids in the Morococha District, Peru. Economic Geology, 110 (1) 39-71 doi:10.2113/econgeo.110.1.39 | Journal (article/letter/editorial) | | 2008a, b; Reed et al., 2013); the Victoria deposit at Lepanto, Philippines (Arribas et al., 1995; Hedenquist...located ~150km northeast of Lima in the Western Cordillera of the central Peruvian Andes (Fig. 1). It is...CATCHPOLE ET AL. B Central Morococha district: mine level 400 - 4375 m.a.s.l. N-8719000 Manto Italia...zones. A minor amount occurs as Ag tellurides (hessite and stĂźtzite) and, rarely, as acanthite and polybasite...kesterite arcubisite native Bi galena chalcopyrite hessite Cu-Pb-sulfosalt fluorite rhodochrosite quartz-pyrite |  | | Journal (article/letter/editorial) | | microprobe, and scanning electron microscope analyses, hessite, petzite, sylvanite, altaite, stâŹutzite and native...gold=electrum. The St Demetrios mineralization includes hessite, altaite, stâŹutzite, and tetradymite in close spatial...Auâ(Ag) deposits and prospects in the Greek Thrace region (modified after Melfos et al., 2002) Mr Maronia...image); c Native gold=electrum (Au) and petzite-hessite (hs=pz) intergrowth accompany chalcopyrite (cp)...calcite (cc) (SEM-BSE image); d Altaite (alt), hessite (hs), petzite (pz) and chalcopyrite (cp) surround |  | Catchpole, Honza, Kouzmanov, Kalin, BendezĂş, Aldo, Ovtcharova, Maria, Spikings, Richard, Stein, Holly, FontbotĂŠ, LluĂs (2015) Timing of porphyry (Cu-Mo) and base metal (Zn-Pb-Ag-Cu) mineralisation in a magmatic-hydrothermal systemâMorococha district, Peru. Mineralium Deposita, 50 (8) 895-922 doi:10.1007/s00126-014-0564-x | Journal (article/letter/editorial) | | Garza et al. 2001), the Victoria Cu-ZnAu-Ag and Lepanto Cu-Au deposits, Philippines (Hedenquist et al. 1998...metallogenic belt that extends along the Western Cordillera of northern and central Peru (Noble and McKee...area to Miner Deposita Morococha underground mine level 400 - 4375 m.a.s.l. B Manto Italia 6.0 Âą...in tennantite-tetrahedrite and as Ag-telluride (hessite), whereas galena is mostly poor in Ag. A generalised...diopside skarn KMO-8-414 San Francisco San Francisco mine level 122 8717392 376071 Porphyry style quartz vein |  | Kerr, Mitchell J., Hanley, Jacob J., Kontak, Daniel J., Morrison, Gordon G., Petrus, Joseph, Fayek, Mostafa, Zajacz, ZoltĂĄn (2018) Evidence of upgrading of gold tenor in an orogenic quartz-carbonate vein system by late magmatic-hydrothermal fluids at the Madrid Deposit, Hope Bay Greenstone Belt, Nunavut, Canada. Geochimica et Cosmochimica Acta, 241. 180-218 doi:10.1016/j.gca.2018.08.030 | Journal (article/letter/editorial) | | is located in the northeastern region of the Archean Slave Province. This belt is host to several orogenic...protracted magmatic-hydrothermal activity in the region. Therefore, this work provides insights into a..., 2012) located in the northeastern region of the Slave Province in the Bathurst Block; its general setting...episode of compressional deformation in the Slave Province constrained to between 2.63 and 2.60 Ga (van Breeman...Sherlock et al., 2012). More broadly, in the Slave Province, including the Bathurst Block, abundant granitoid |  | | Journal (article/letter/editorial) | | finest examples of crystallized gold from the province, and, in fact, all of Canada. To perhaps narrow...this study is a catalogue of occurrences in the province that have produced gold crystals, which we offer...��� Localities: A. Zeballos Gold Camp B. Engineer Mine C. Atlin Camp D. Barkerville Wells Area E. Likely...Toodoggone Camp I. Bridge River Camp J. Harrison Gold Mine K. Hedley Camp (including Olalla) L. Stewart Camp... Slocan 13. Alberni 5. Cariboo 22. Nelson 14. Victoria 6. Vancouver 23. Fort Steele 15. New Westminster |  | | Journal (article/letter/editorial) | | FALCON BR I DGE GARSON ERRINGTON MINE X(Zn,Cu,â˘) STOBIE McCONNEL⢠MINE k⢠quartz norire and norire ...micropegmotite RAMSEY< .AKE ICOPPER CLIFF [â˘] gronite SOUTH MINE zone NORTH GERTRUDE W CHICAGO X%\-â˘N⢠KELLEY...third had520ppmPt. The locations of all sampleson mine crosssectionsare alsoknown and selected onesare...and Concentration Method CreanHill (Fig. 4) and Victoria (Fig. 5) for the _Allthe sampleswereobtainedin...the Falconbridge(Fig. 8) as a representative Frood mine and for the hand samplesfrom the the more easterly |  | | Journal (article/letter/editorial) | | enriched minerals include galena Pb(S0.9-1Se0.1-0), hessite Ag2(Te0.9-1Se0.1-0), Se-rich cervelleite Ag4(Te1...Orientales geological province (Caminos, 1979), in the Sierra de San Luis (San Luis province, Argentina) (Fig... The silver telluride, hessite (Ag2Te), occurs instead of acanthite. Hessite has been found intergrown...minerals are spatially associated with galena and hessite (Fig. 7c, d). One of the samples from Puesto La...composed of different telluride minerals other than hessite including: sylvanite [(Ag,Au)2Te4], petzite (Ag3AuTe2) |  | | Book | | Australia Pty. Ltd. 17 Queen Street Mitcham, Victoria 3132, Australia Van Nostrand Reinhold Company...Ichinokawa Mine, Saijo, Iyo Province, Ehime Prefecture, Island of Shikoku Ashio Mine, Shimotsuke Province, Tochigi...Arakawa Mines, Ugo Province, Akita Prefecture, Honshu The Obira Mine, Bungo Province, Oita Prefecture,... Kyushu; The Toroku Mine, Hyuga Province, Miyazaki Prefecture, Kyushu Otome Mine, Suisho Pass, Kurobera...Kurobera, Kai Province, Yamanashi Prefecture, Honshu Mino Province, Gifu Prefecture, Honshu; and Omi Province |  | | Journal (article/letter/editorial) | | Pals and P. G. Spry D. L. Forsythe Camberwell, Victoria, Australia Received June 30, 2006; accepted July...paper on telluride mineralogy in the Emperor gold mine in Fiji, Pals and Spry (2003) referred several times...distribution of individual tellurides in the Emperor mine, Pals and Spry (2003, pp 302â304) noted that, in...common in stage II whereas the assemblage petzite-hessite-native gold is more abundant in stage IV. Despite...lode was recognised in specimens from the Loloma mine, the Dolphin section of the Prince-Dolphin flatmake |  | | Report (issue) | | Front cover top: 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin...three-component system shows the extension of the two-phase region ( Ag-rich and Cu-rich crystals) under falling temperatures...photo Stefan Weiss Lower Right: Round Mountain gold mine, Nye County, NV, USA 2.5 cm wide; Ron Pellar collection;...collection; Jeff Scovil photo Below: Olinghouse gold mine, Washoe County, Nevada, USA 12. 7 cm across; collection...a given area that it is financially sensible to mine the deposit. Viable Deposits The lower limit of |  | | Journal (article/letter/editorial) | | the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...character. Gold and silver grains from the Ross Mine, Ontario, 339 SILVER CONTENT (FINENESS) OF GOLD...in intrusive rocks (Troop, 1986) suggest the Ross Mine may have a different origin to typical Abitibi Belt...and Mesozoic fold belts. The classic fields of Victoria, (Australia); Otago, (New Zealand ) and Meguma...silver (Fisher, 1945). A probe analysis from the AI Mine at Woods Point, for example, has a fineness of 941 |  | | Report (issue) | | Gold, bismuth, bismuthinite, galenobismutite, hessite, cosalite, laitakarite, tetradymite, joseĚite-B...Hudson Bay Mountain, near Smithers; and the Windpass mine, near Chu Chua, British Columbia; and in Yukon Territory...Spain, at Serrania de Ronda, MaĚlaga Province. From the Carrock mine, Caldbeck Fells, and the Coniston mines... and Maldon, Victoria, Australia. From Chilu, Fuijan Province, China. In the Tsumo mine, about 50 km |  | | Book (edition) | | brownish to bluish 30 Cooperite lamellar Hessite Reflection Colour & Ă Reflectance light brown... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...internal reflections); MadenkĂśy Mine, Ăayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL...(greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample |  | Sung, Y.-H., Ciobanu, C. L., Pring, A., BrĂźgger, J., Skinner, W., Cook, N. J., Nugus, M. (2007) Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new occurrence of nagyĂĄgite. Mineralogy and Petrology, 91 (3) 249-270 doi:10.1007/s00710-007-0199-z | Journal (article/letter/editorial) | | University of Oslo, Oslo, Norway 5 Sunrise Dam Gold Mine, AngloGold Ashanti Ltd, Laverton, Australia 2 Received...nagyaĚgite is found together with eight tellurides (hessite, petzite, calaverite, altaite, tellurantimony (and...gold deposit at Sunrise Dam, Eastern Goldfields Province of the Archaean Yilgarn Craton, Western Australia...Greenschist Belt (LGB; Fig. 1) in the Eastern Goldfields Province (EGP) of the Yilgarn Craton, Western Australia...at Sunrise Dam is the largest in this area. The mine is owned and operated by AngloGold Ashanti Australia |
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