 | | Journal (article/letter/editorial) | | of Gold: An Overview of Specimen Gold from Papua New Guinea Lawrence D. Queen [1:40 to 2:00] Gold in...Ed Raines [2:40 to 3:00] The Round Mountain Gold Mine, Nye County, Nevada R. Scott Werschky LUNCH BREAK...deposits that could be developed profitably by the then-new heap-leach technology, an inexpensive way of recovering...gold from very low-grade ores. In addition, smaller new deposits of relatively high grade were found while...given new life as the value of their ores increased faster than the cost of operations. Many new potential |  | | Journal (article/letter/editorial) | | University] at 23:14 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms...ROCKS & MINERALS the Golden Circle mine at Sorrento and the Cline mine at Hancock, Maine, and from a vaguely...the Consolidated mine at Dahlonega, Lumpkin County, Georgia; the Barite Hill gold mine in McCormick County...coloradoite, krennerite, and other rare tellurides at the inactive Reynolds or Star mine, Montgomery County...mineral in the Young American mine, Goochland County, Virginia, and the Haile mine, Lancaster County, South |  | Ronacher, E., Richards, J. P., Reed, M. H., Bray, C. J., Spooner, E. T. C., Adams, P. D. (2004) Characteristics and Evolution of the Hydrothermal Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea. Economic Geology, 99 (5) 843-867 doi:10.2113/gsecongeo.99.5.843 | Journal (article/letter/editorial) | | the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea E. RONACHER,†,* J. P. RICHARDS...ADAMS** Porgera Joint Venture, Porgera, Papua New Guinea Abstract The ~20-million-ounce (Moz) Porgera gold...gold deposit, Papua New Guinea, is hosted by 6-m.y.-old alkalic intrusions and Cretaceous sedimentary rocks...used to estimate element concentrations in the Porgera hydrothermal fluid that were used for thermodynamic...of Porgera may be a result of all of these processes occurring at the deposit. 0° 140°E Porgera Australia |  | | Report (issue) | | chalcopyrite, arsenopyrite, pyrrhotite, sylvanite, krennerite, calaverite, altaite, tetradymite, scheelite...large alluvial nuggets. At the Porgera mine, Mt. Kare, Papua New Guinea. The world’s most important gold...placer deposits. In South Dakota, from the Homestake mine at Lead, Lawrence Co.; in Colorado, wire and leaf |  | Richards, Jeremy P., McCulloch, Malcolm T., Chappell, Bruce W., Kerrich, Robert (1991) Sources of metals in the Porgera gold deposit, Papua New Guinea: Evidence from alteration, isotope, and noble metal geochemistry. Geochimica et Cosmochimica Acta, 55 (2) 565-580 doi:10.1016/0016-7037(91)90013-u | Journal (article/letter/editorial) | | .oo Sources of metals in the Porgera gold deposit, Papua New Guinea: Evidence from alteration, isotope...in revisedform December 3, 1990) Abstract-The Porgera gold deposit is spatially and temporally associated...alkalic, epizonal Porgera Intrusive Complex (PIG), located in the highlands of Papua New Guinea (PNG). The highlands...volcano-sedimentary rocks of the Sepik terrane. Magmatism at Porgera probably occurred in response to the Late Miocene...in unaltered igneous and sedimentary rocks from Porgera (5 10 ppb Au) do not indicate that either lithology |  | Mueller, Andreas G., Hagemann, Steffen G., Brugger, Joël, Xing, Yanlu, Roberts, Malcolm P. (2020) Early Fimiston and late Oroya Au–Te ore, Paringa South mine, Golden Mile, Kalgoorlie: 4. Mineralogical and thermodynamic constraints on gold deposition by magmatic fluids at 420–300 °C and 300 MPa. Mineralium Deposita, 55 (4) 767-796 doi:10.1007/s00126-019-00939-8 | Journal (article/letter/editorial) | | Fimiston and late Oroya Au–Te ore, Paringa South mine, Golden Mile, Kalgoorlie: 4. Mineralogical and thermodynamic...temperature and tellurium fugacity declined, free gold, krennerite, coloradoite and melonite also crystallised joined...December 2018) is located in the Eastern Goldfields Province of the Archean Yilgarn Craton, Western Australia...are discussed with emphasis on the Porgera deposit in Papua New Guinea. Geologic setting The Kalgoorlie...district is located in the Eastern Goldfields Province of the Yilgarn Craton (inset in Fig. 1), a continental-margin |  | | Report (issue) | | ........................... R14 Exploration for New Deposits...................................................................................... R15 Mine Waste Characteristics........................................................................ R17 Mine Closure...........................................one another at Dashuigou and Majiagou (Sichuan Province) in southwestern China, and the epithermal-like...high-grade telluriumrich gold deposits may become new primary sources for tellurium, particularly epithermal |  | | Journal (article/letter/editorial) | | 1988; Gill and Whelan, 1989; Begg and Gray, 2002). A new trench (Vanuatu trench) was established on the western...1980) and those adjacent to the Porgera gold deposit, Papua New Guinea (Richards, 1990). In contrast,...Abbreviations: Cal = calaverite, Hess = hessite, Kre = krennerite, Pet = petzite, Stut = stützite, Syl = sylvanite...ppm: Zhang and Spry, 1994), and the Porgera deposit, Papua New Guinea (197–338 ppm V, mean = 259 ppm: Richards...the Golden Sunlight (Zhang and Spry, 1994) and Porgera (Richards, 1990) deposits. The Navilawa Monzonite |  | Liu, Junlai, Zhao, Shengjin, Cook, Nigel J., Bai, Xiangdong, Zhang, Zhaochong, Zhao, Zhidan, Zhao, Haibin, Lu, Jun (2013) Bonanza-grade accumulations of gold tellurides in the Early Cretaceous Sandaowanzi deposit, northeast China. Ore Geology Reviews, 54. 110-126 doi:10.1016/j.oregeorev.2013.03.003 | Journal (article/letter/editorial) | | 5005, Australia Geological Survey of Heilongjiang Province, Harbin 150036, China a r t i c l e i n f o...coarse-grained Au–(Ag)–tellurides (calaverite, sylvanite, krennerite, and petzite) form a major part of quartz–telluride...monzogranite stock. The volcanic sequence in the mine area can be subdivided into two formations: the...geological map (Geological Survey of Heilongjiang Province). horizons, in which plant fossils, e.g., Cladophlebis...and collectively form three ore belts within the mine area (Fig. 4). The I2 orebody is the only one that |  | | Journal (article/letter/editorial) | | 1994; Thieben and Spry, 1995), and Porgera deposit, Papua New Guinea (Cameron, 1998; Cameron et al., 1995)...Ocean. The Tuvatu deposit is located in the Sabeto Valley, approximately 15 km northeast of Nadi. The basal... and various tellurides [calaverite (AuTe2), krennerite ((Au,Ag)Te2), sylvanite ((Au,Ag)2Te4), utzite...named mineral, and it may therefore represent a new mineral species. Discussion The source of V, Au,...Volcanics, and the basaltic dikes in the Tuvatu mine area contain 280–387 ppm V (mean ¼ 317 ppm V), 292–355 |  | Zhai, Degao, Williams-Jones, Anthony E., Liu, Jiajun, Tombros, Stylianos F., Cook, Nigel J. (2018) Mineralogical, Fluid Inclusion, and Multiple Isotope (H-O-S-Pb) Constraints on the Genesis of the Sandaowanzi Epithermal Au-Ag-Te Deposit, NE China. Economic Geology, 113 (6) 1359-1382 doi:10.5382/econgeo.2018.4595 | Journal (article/letter/editorial) | | , 2011), Kochbulak (Kovalenker et al., 1997), Porgera (Richards and Kerrich, 1993), and Gies (Zhang and...previously published data are briefly summarized, and new results of mineralogical, stable (O, H, and S) and...hydrothermal system. These new data, in combination with physicochemical modeling, provide new insights into the...= calaverite from stage III (CM23/130m), 4 = krennerite from stage III (CM23/130m), 5 = hessite from...detection limit, CM = transverses drifts used at the mine 1Te + Se = 2 9Au + Ag + Bi = 1 2Te + Se + S = 1 |  | | Journal (article/letter/editorial) | | emphasis on structural data from the Paringa South mine (Part 1). The steeply dipping Fimiston shear zones...Representative ore bodies (lodes) in the Paringa South mine (Part 2) are described in Mueller based on detailed...main D3 ore body (> 62 t Au) in the Paringa South mine (Part 3). The shoot is famous for its telluride-rich...at 2.57 g/t Au from the Mt Charlotte underground mine. Gold recovery by cyanide leach after ultra-fine...the pyrite flotation concentrate was 82–83% (Q4 mine statistics 2018; barrick.com). Dark green propylitic |  | | Report (issue) | | Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, Australasian Institute of Mining...Cerrillos copper deposit, Santa Fe County, New Mexico: New Mexico Geological Society Guidebook 30, Santa...p. 257-260. Alapan, G. A., 1982, The Marian gold mine projects in Cordon, Isabela, Philippines, in Regional...fluid inclusions in pyroxenes from the Guide copper mine, a satellite intrusion of the Palabora igneous complex...and tectonic development of the Rio Grande rift, New Mexico: Journal of Geophysical Research, v. 91, p |  | | Journal (article/letter/editorial) | | rocks in the central Montanaalkalicprovince.This province,whichwas thesealkalineigneousrocksparticularlyin...Terrocksintrudeda sequence of sedimenCompany.The mine closedin 1991. The average tiaryigneous goldgrademinedwas13...JudithMountainsbut are espe- ' Tkqm Tkt Gies Mine LEGEND LAte' Paleoc,ene(Tg• •?.••aKau granite... brecciasas replacementbodies(e.g., Giltedgeand mine are almostidenticalto dataderivedby Wallace Maginnis...Library - Acquisitions user 610 ZHANG ANDSPRY Gies Mine 5100 Leve! tinguaite dikes because gold-telluride |  | | Journal (article/letter/editorial) | | Guizhou province (China); MA and INCL: N/D ICP-MS Ding et al. (2001) X – – SW Guizhou Province (China);...INCL: asp, Reich et al. (2005) X – – Porgera (Papua New Guinea); ; MA and INCL: N/D EMPA, SIMS Okrusch...Okrusch et al. (2007) X – – Wilhelmine mine, (Bavaria, Germany); MA: py, enarg, ten, cpy, EMPA bor, dig,...Te)-sulphide; Au, Ag, Au-telluride; Ag-Sb. Porgera (Papua New Guinea); MA: N/D; INCL: gn, (Pb,Ag,Sb)-sulphides...hutchinsonite, ida = idaite, jam = jamesonite, kren = krennerite, kur = kuramite, mar = marcasite, mil = millerite |  | Tombros, S., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2007) The Genesis of Epithermal Au-Ag-Te Mineralization, Panormos Bay, Tinos Island, Cyclades, Greece. Economic Geology, 102 (7) 1269-1294 doi:10.2113/gsecongeo.102.7.1269 | Journal (article/letter/editorial) | | late substage contains rickardite, kostovite, krennerite, petzite, and calaverite. Unexploited AuAg-Te...rickardite-kostovite (CuAuTe4), kostovite-krennerite [(Au,Ag) Te2], kostovite-krennerite-petzite (Ag3AuTe2) ± rickardite...vulcanite, weissite, calaverite, krennerite, kostovite, petzite, cervelleite, new sulfotelluride, native Te... 9 = native tellurium, 10 = calaverite, 11 = krennerite, 12 = kostovite, 13 = petzite 1 Te = 1 2 Te =...Au + Cu = 2 8 Ag + Au = 4 calaverite (AuTe2)-krennerite-petzite, and kostovite-petziteunnamed Ag-Au-Cu |  | | Journal (article/letter/editorial) | | Presentaddress:Vijay EnvironmentalInc., 614 West Brown krennerite (AuT%), stuetzite (Ags_xT%),empresDeer Road,...(1987) usedmostof Naumovet al.'s databut proposeda new enthalpyvalue(AHa9s)for aqueous hy- drogentelluride(HaTe...The overlapincreases vanite,petzite, calaverite,krennerite,hessite,stuetin sizeastemperaturedecreases. For...Bain-de-Arie•deposits,Romania fields of sylvanite,petzite, krennerite, stuetzite, (Zambonini,1911; Spiridonovand Chvileva...usionCharacteristics of Au-AgTellurideDeposits Mine Stage I Au-Ag-Temineralogy 2 Fluidinclusion Tha |  | | Journal (article/letter/editorial) | | geochronological framework of the large igneous province identified in other parts of eastern China by... which could be considered as a large granite province (Wu et al., 2003). Voluminous granitoids were...altaite, an unnamed telluride (Au1.8Ag0.2Te), krennerite, empressite, stützite and coloradoite (Zhai and...isotopic analysis were collected from underground mine workings with a depth range of 100 ~ 200 m, so cosmogenic...may be developed (Fig. 9). Therefore, the current new age data, which constrain formation of the Sandaowanzi |  | | Journal (article/letter/editorial) | | Apps (2003). However, subsequent to these analyses, new experimental data on stability of Au and Ag hydrosulphide...and pressure used in this study in comparison with new published data. G. Pal'yanova / Chemical Geology...(Pal'yanova et al., 1999) (Fig. 1a) are close to the new experimental data (Stefansson and Seward, 2004; Tagirov...(Pal'yanova, 2005) (Fig. 1c) are in good agreement with new data of Stefansson and Seward (2003a). The values...temperature and pressure are better known. In addition, new experiments are required to determine the stability |  | | Journal (article/letter/editorial) | | (Russia), Comstock and Creed (United States), Whaihi (New Zealand), Rosia ¸ Montana (Rumania), Silverton–Telluride...Schematic geological map of the Kurama metallogenic province (modified after V.N. Levin, A.E. Tolkunov, et...large Cripple Creek (United States), Porgera (Papua New Guinea), Ladolam (Indonesia), and Emperor (Fiji)...part of the Kurama metallogenic province (Fig. 1). The Kurama province is localized within the Bel’tau–Kurama...in the western branch of this belt. The Kurama province comprises many deposits and occurrences of Au |  | | Journal (article/letter/editorial) | | geoscientific disciplines focused on one goal, finding new mineral depsosits and enhancing their exploitation...This paper, so as to say, is a “launch pad” for a new mindset in metallogenesis rather than the final result...various subjects of earth sciences dedicated to find new inorganic raw materials and enhance the exploitation...to sideline any new chemical or physical methods, appearing on the scene but these new methods need to...minerals. Classification schemes solely based on new concepts, models and geodynamic processes may sometimes | | | Journal (article/letter/editorial) | | geoscientific disciplines focused on one goal, finding new mineral depsosits and enhancing their exploitation...This paper, so as to say, is a “launch pad” for a new mindset in metallogenesis rather than the final result...various subjects of earth sciences dedicated to find new inorganic raw materials and enhance the exploitation...to sideline any new chemical or physical methods, appearing on the scene but these new methods need to...minerals. Classification schemes solely based on new concepts, models and geodynamic processes may sometimes |  | | Book | | 545 559 561 567 571 572 CHAPTER 13. MISSISSIPPI VALLEY-TYPE (MVT) ZINC-LEAD DEPOSITS 13.1. Introduction...concepts that would someday help geologists to find new mineral deposits or exploit the known ones more efficiently...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...12.4) Mineralized breccia bodies i1 Mississippi Valley-type deposits (see Fig. 13.9) Vein-type Stratiform |  | | Book | | Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...from a global comparison. Contributions on major new discoveries, mines and lesser known important deposits...understand the potential and possibilities for major new discoveries and developments. Introduction Hydrothermal...this conference is to provide a global overview of new developments relating to these deposits around the...the conference includes papers on major new discoveries, new mines brought into production and newly |  | | 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...Role of Crustal Structure in Ore Formation and a New Classification of Deposits CONCLUSIONS 181 181 183...DYKE, ZIMBABWE – CASE STUDY OF THE HARTLEY PLATINUM MINE A.H. Wilson, R.T. Brown INTRODUCTION EXPLORATION |
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