 | 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,ā ,* 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. 0Ā° 140Ā°E Porgera Australia |  | | Journal (article/letter/editorial) | | Geology Vol. 88, 1993, pp. 1017-1052 The PorgeraGold Mine, PapuaNew Guinea:MagmaticHydrothermalto EpithermalEvolutionof...PorgeraAu deposit,locatedin the highlandsof PapuaNew Guinea,containsproven andprobablereservesof 51.5 millionmetrictonsat...Introduction THE PorgeraAu depositin the highlandsof Papua New Guinea(Fig. 1) is a well-preserved exampleof preciousmetal...1990 hasexceeded1 millionouncesAu per year. The mine alsocontainssubstantial reservesof ā¢ i i i , ....published investigations ofthepetrology,geochemis- PORGERA AU DEPOSIT,PAPUANEWGUINEA try, and geochronology |  | 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 |  | | Report (Issue volume) | | + 4, Mineral Fe # ā of Australia andā¢ Papua New Guinea ... Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows an aerial view...the east coast of Lihir Island, New Ireland Province, Papua New Guinea. The Ladolam gold deposit lies...Resources Development Centre, Port Moresby, Papua New Guinea The Australasian Institute of Mining and...Mines ā 1968 1968 and Papua New Ed. C.L. Knight 1974 1975 and Papua New Eds D.M. Traves and D. |  | | Journal (issue) | | Mineralogy is published by the Mineralogical Societies of New South Wales, Queensland, South Australia, Tasmania...Page Feature Articles: The Minerals of the Magnet Mine, Tasmania... 3 f. Haupt, R. Bottrill & S. Sorrell...District, Queensland Part 1 - The Great Australia Mine ........... 23 B. Day & B. Beyer Other Items: Editorial...Melbourne in June 1994, the Mineralogical Societies of New South Wales, Queensland, South Australia, Tasmania..."classic" locality, have you found better material or new minerals since the last detailed publication? A locality |  | Tombros, S. F., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2008) Later stages of evolution of an epithermal system: AuāAg mineralizations at Apigania Bay, Tinos Island, Cyclades, Hellas, Greece. Mineralogy and Petrology, 94 (3) 175-194 doi:10.1007/s00710-008-0019-0 | Journal (article/letter/editorial) | | stephanite [Ag5SbS4], xanthoconite [Ag3AsS3], proustite [Ag3AsS3] and canfieldite [Ag8SnS6]. Pyrite develops...Electrum Stephanite Canfieldite Xanthoconite Proustite Tetrahedrite Chalcopyrite Famatinite Rammelsbergite...Ag8SnS6 Canfieldite, Ag3AsS3 Xanthoconite, Ag3AsS3 Proustite, Cu3SbS4 Famatinite, (Īi,Co,Fe)As2 Rammelsbergite...to 1.12 wt.%. Specks or laths of stephanite, proustite, xanthoconite, argentite and canfieldite (up to...(Band D), 8 xanthoconite from Stage I (Band B), 9 proustite from Stage I (Band B), 10 canfieldite from Stage |  | | Report (issue) | | GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 i Cover photograph: Aerial...Aerial view of Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is approximately...Mines Limited. ii GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 Edited...understanding of the mineral wealth of Australia and Papua New Guinea. v vi Committees MONOGRAPH 22 COMMITTEE...Mineral Industries Research Association Limited Papua New Guinea - Department of Mining and Petroleum Bureau |  | Davies, A. G. S., Cooke, D. R., Gemmell, J. B., van Leeuwen, T., Cesare, P., Hartshorn, G. (2008) Hydrothermal Breccias and Veins at the Kelian Gold Mine, Kalimantan, Indonesia: Genesis of a Large Epithermal Gold Deposit. Economic Geology, 103 (4) 717-757 doi:10.2113/gsecongeo.103.4.717 | Journal (article/letter/editorial) | | Hydrothermal Breccias and Veins at the Kelian Gold Mine, Kalimantan, Indonesia: Genesis of a Large Epithermal...from stages 2 and 4 and in rhodochrosite and proustite-pyrargyrite from stage 4 may also reflect a component...formed over a large vertical interval (>600 m). New sulfur isotope and fluid inclusion data are provided...associated with a lower Miocene magmatic center in the province of East Kalimantan, Indonesia (Fig. 1). It is...outside of the immediate vicinity of the Kelian mine area. Their minimum thickness is 650 m. The base |  | | Journal (article/letter/editorial) | | ā Pyrrhotite 2 ā 4 Orpiment ā ā 20 Proustite ā ā 4 253 148 165 Realgar 1 ā 8 Berthierite...deposit, one of the worldās largest Mississippi Valleytype (MVT) deposits, are reported in [154]. In...āThe temperature of formation of the Mississippi Valley LeadāZinc deposits,ā Econ. Geol 28, 744ā750 (1933)...the light of fluid inclusion studies, Providencia Mine, Zacate cas, Mexico,ā Econ. Geol. 59, 883ā919 (1964)...and M. J. Jack son, āSandstone diagenesis in the Mount Isa Basin: an isotopic and fluid inclusion perspective |  | | 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 (issue) | | Grice Famous mineral localities: the Mashamba West mine, Shaba, Zaire ....................................Lhoest, G. J. Gauthier & V. T. King The Fat Jack mine, Yavapai County, Arizona .........................from the Editor ........................ What's new in minerals? Denver Show 1990 .....................malachite on chrysocolla, from the M ashamba West mine, Shaba, Zaire. Sorbonne collection, Paris: photo...^F 1991 It Ā±1* i =ā Fleischer ā¢ M andarino NEW GLOSSARY EDITION! We are pleased to announce the |  | | Journal (article/letter/editorial) | | geoscientiļ¬c disciplines focused on one goal, ļ¬nding new mineral depsosits and enhancing their exploitation...This paper, so as to say, is a ālaunch padā for a new mindset in metallogenesis rather than the ļ¬nal result...various subjects of earth sciences dedicated to ļ¬nd 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. Classiļ¬cation schemes solely based on new concepts, models and geodynamic processes may sometimes | | | Journal (article/letter/editorial) | | geoscientiļ¬c disciplines focused on one goal, ļ¬nding new mineral depsosits and enhancing their exploitation...This paper, so as to say, is a ālaunch padā for a new mindset in metallogenesis rather than the ļ¬nal result...various subjects of earth sciences dedicated to ļ¬nd 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. Classiļ¬cation 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 (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...The current progress in mineralog), with countless new data in books and scientific as well as amateur journals...submitted to, and accepted by, the Commission on New Minerals and Mineral Names (CNMMN) of the International...pure freibergite is very rare. The decision that a new mineral species is established when one of the cations...eudialyte, and several other groups: The number of new mineral species may grow as an avalanche, flooding |  | | Book | | Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E...repeatedly improved the contents in a series of new revised editions. After Matthesā death in 1999, one...continue this tradition and produced a series of new editions of the bookāthe ninth edition was published...years he continuously updated the content and added new chapters, in some cases with the help from other...growing public awareness of the need for discovering new mineral resources to maintain the high standards |  | | Book | | . . . . . . . . . . . . . . . 4.12 Mississippi Valley Type . . . . . . . . . . . . . . . . . . . . ....many different ways. At the same time, thanks to new high-tech applications the names of elements that...resources are limited and the effort to ļ¬nd and develop new mineral deposits is increasing. Questions as to how...processes that are discussed in Chap. 6. Of course, new deposits are still being formed today, but this is...impossibly long period to wait for a 1 2 1 new deposit, so we are dependent on the ļ¬nite deposits |  | | Book | | decade, however, the need has been growing for a new, comprehensive index. Because the 14-year index suffered... Consequently, it was our decision to prepare a new index which is cumulative back to volume 1, fully...the 14-year index, and which is organized on a new plan. Nevertheless, all readers and users of the...the last ten years, and which has inspired this new effort. The current 25-year index is divided into...appears n Brief descriptive note, as in "What's New in Minerals?" p Photograph or other illustration |  | | Report (volume) | | Geological Survey Bulletin 1646. I6Li61 101... frcv valley-fill gravel to the east. Basin-and-range-associated...scale east-west-trending faults in the Enfield Bell mine are are the Marlboro Canyon, Bell, and Ridge faults...Enfield Bell mine, Jerritt Canyon district, Elko County, Nevada. ļæ½ Geology of the Enfield Bell Mine and the...(1975), is the major host rock at the Bell Enfield mine and is exposed in many parts of the Jerritt Canyon...host for gold mineralization in the Enfield Bell mine (fig. 60), has been measured at more than 90 m thick |  | | Report (volume) | | an eae eer 213 Mineralizations at the Rozalia Mine, HodruSa WU cia ORK oderay UPrcicn oa Saly, and...Stiavnica stratovolcano central zone and Rozalia Mine 18.30-19.30 Dinner 19.30-22.00 Optional visit to...groups: 7.00 - 11.30 Underground visit of the Rozalia mine; disseminated base metal mineralization, base metal...30 Underground visit of the All Saints Medieval Mine - precious metal LS epithermal veins 15.30-17.30...of the famous Tokaji Aszu vine. 220.5 Kaolinite mine of Bodrogszegi to the left. Hydrothermal and redeposited |  | | Report (issue) | | .............................. 225 Mississippi Valley-type Pb-Zn deposits, by D.L. Leach, J.B. Viets...exploration, and assessment of abandoned mine lands and mine-site remediation. This compilation presents...smelting. For example, the environmental signature of a mine site may include metal contents and suites in minedrainage...readily soluble secondary salts associated with mine waste. The "environmental effects" of mineral deposits...including, for example, the environmental effects of a mine drainage on a river into which the drainage flows |  | | Book | | Shikazono 2003 Elsevier Amsterdam - Boston - London - New York - Oxford - Paris San Diego - San Francisco -...R. (1919) On the origin of Kuroko of the Kosaka mine. J. Geol. Soc. Japan, 26, 107-132 (in Japanese)...across the Main and the Sanjin deposits of Hishikari mine (Ibaraki and Suzuki, 1993). 12 Chapter 1 TABLE...base-metal-rich deposits, Type 2: disseminated-type deposits Mine Deposit type Au (M.T.) Ag (M.T.) Ag/Au Hokuryu...Hydrothermal Ore Deposits 13 TABLE 1.2 (continued) Mine Deposit type Au (M.T.) Ag (M.T.) Ag/Au Other |  | | Book (edition) | | Singapore AMSTERDAM l BOSTON l HEIDELBERG l LONDON l NEW YORK PARIS l SAN DIEGO l SAN FRANCISCO l SINGAPORE...practice in this ļ¬eld are constantly changing. As new research and experience broaden our understanding...costs for new (Greenļ¬eld) and expansion production capacity. Capital cost intensity for new gold production...proļ¬tability for existing operations and for adding new capacity. A key part of this story is that average...any particular ore type are covered, along with new emerging trends and potentially transformational |  | | Book | | Science/Technology and Culture/History 4 The Motive for a new Book 5 The Bookās Layout 5 Useful Definitions and...Renewer Of Mining And Metallurgical Technique 34 New Winds in the 17th Century 34 Phlogiston 36 Still...Century ā the Chemical Revolution 37 Discoveries of new Elements 37 Lavoisier and the Chemical Revolution...45 A new Look at the Atomic World with Tunneling Microscope and Atomic Probe 46 Alchemy for a new Millennium...Silver Minerals 133 Silver Resources and Reserves 134 Mine Production of Silver 134 Silver Manufacture ā Metallurgical |
|
