 | | Journal (article/letter/editorial) | | BrecciasAssociated with a Maar Volcano at Wau, Papua New Guinea RICHARD H. SILLITOE, 8 WestHill Park, HighgateVillage...P.O. Box 619, North Sydney,New SouthWales2060, Australia Abstract The Wau districthasproducedmuchof the...metrictons(0.58 millionoz) of lode gold attributedto the Morobe goldfieldin PapuaNew Guinea.Geologicmappingandreappraisal...followingtilting of the ignimbritepile, a maar wasgeneratedat Wau. The subjacentdiatremeis believedto extenddownwardfor... their presentpositions. At this time, an opal-pyrite-marcasite horizonwas formingat a boiling water |  | | Journal (article/letter/editorial) | | Mineralizationof Gold and PorphyryCopper Depositsin the New GuineaHighlands 1•. W. PAGE AND IAN McDoUGALL Abstract...porphyry coppermineralizationin the Highlands of Papua New Guinea. The igneousrocks associated with thesedepositsare...gold-bearingporphyriesand related rocks in the Morobe Goldfields enablesa 3.1 to 3.8 m.y. age interval...porphyry copper deposit so far discovered in Papua New Guinea occursin the west at Mount Fubilan, near the...relativelyyouthfultectonicsettingof the mineral depositsin the New Guinea region was emphasizedby Thompsonand Fisher (1967) |  | | Journal (article/letter/editorial) | | ASSOCIATED MINERALIZATION N.H. IN WITH NEW TERTIARY GUINEA. FISHER. ABSTRACT. The alteration of the...associatedwith the Tertiary mineralization in the Wau-Edie Creek area, New Guinea's principal gold-mining district...described. OUTLINE OF THE GEOLOGY OF TI-IE WAU-EDIE CREEK AREA. TH•s paperdealsonly with the...comparativelysmall area around Edie Creek and Wau, in the heart of the Morobe Goldfield, for althoughmineralizationand...gold-bearinglodes outsidethe Wau-Edie Creek area, certainly none on the mainland of New Guinea. • In order to understand |  | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ 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 — 1968 1968 and Papua New Ed. C.L. Knight 1974 1975 and Papua New Eds D.M. Traves and D. |  | | Journal (article/letter/editorial) | | GOLD, WITH SPECIAL REFERENCE TO THE, MOROBE GOLDFIELD, NEW GUINEA. N.H. FISHER3 CONTENTS. Part I. PAGE........................................... 456 Morobe goldfield ...................................................... Resum• of gold finenesson the Morobe field .......................... 475 Other districts............................. Resum• lodes of the Morobe goldfield ................................ 478...Morobegoldfield of the Mandated Territory of New Guinea is the manner in which the finenessof the gold |  | Rinne, Marc L., Cooke, David R., Harris, Anthony C., Finn, David J., Allen, Charlotte M., Heizler, Matthew T., Creaser, Robert A. (2018) Geology and Geochronology of the Golpu Porphyry and Wafi Epithermal Deposit, Morobe Province, Papua New Guinea. Economic Geology, 113 (1) 271-294 doi:10.5382/econgeo.2018.4551 | Journal (article/letter/editorial) | | Porphyry and Wafi Epithermal Deposit, Morobe Province, Papua New Guinea* Marc L. Rinne,1,†,** David R. Cooke...Tasmania 7001, Australia 3 Newcrest 4 Institute 5 New Mining Ltd., Level 8, 600 St. Kilda Road, Melbourne...and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801-4796 6...Canada Abstract The Wafi-Golpu district of Papua New Guinea contains contrasting high- and intermediate-sulfidation...with high-sulfidation mineralization consisting of pyrite-covellite-chalcocite-tennantite ± enargite ± bornite |  | | Journal (article/letter/editorial) | | Granodiorite,an- Arizona desitic volcanics Ortiz, New Quartzite, pyroclas- Mexico rounded tiary rounded...Principalgangue Sericitic, chloritic, argillic Pyrite, chalcopyrite, pyrrhotite,magnetite, molybdenite...Fault related Sericite-cal- Pyrite tion, sericitic Calc-silicate Pyrite, chalcopyrite, bornitc, galena...galena,sphalerite Pyrite, chalcopyrite Quartz, barite, Cu (Breton pipe) Not recognized Absent garnet...garnet, quartz Sericitic (t), K silicate Pyrite, chalcopyrite, molybdenite,bornitc Quartz, sericite |  | | Journal (article/letter/editorial) | | the oxidized zone of carbonate ore at Wau. in Papua New Guinea, is consistent with prior remobilization...complex. At the Upper Ridges gold mine near Wau in Papua New Guinea, for example, the near-surface gold...address: DSIR Chemistry Division, Private Bag, Petone, New Zealand. Gold and silver reacting with alkaline...directly formed by pyrite oxidation only at pH < 6. In more alkaline solutions, pyrite oxidation proceeds...formed during experimental oxidation of either pyrite or bisulphide, and is rarely stable in the presence |  | | Journal (article/letter/editorial) | | preservedat Wau, wasconstructed. Introduction Colorado;Acupan, Philippines;Wau, Papua New Guinea;and PuebloViejo...usingstandardflotationand cyanidationpractices.An open-pit mine and mill complex,with a rated capacityof 15,000...andeconomicallymostimportantvein is the one exploitedat the Alta mine, located2.5 km east of the MontanaTunnelsdiatreme...depth of 420 m beneath the surface.Most veinscarry pyrite, arsenopyrite,sphalerite,argentiferous galena,chalcopyrite...acquartz, sericite.,kaolinite, tourmaline, and pyrite. Schorlitic tourmaline, with or without quartz |  | | Journal (article/letter/editorial) | | basemetal-richvein-typedepositsat Tui andWaiorongomai,New Zealand,are not hosted by coevalstocksbut transectthe...1975; Fig. 1). where,asat FriedaRiver,PapuaNew Guinea(Whalen et al., 1982), andRecsk,Hungary(Baksaet...mineralizedstratovolcanoes may be rec- m are characterizedby pyrite-rict•advancedargillic ognizedby their distalapronsof...Pasco(SilbermanandNoble, 1977), andWau, PapuaNew Guinea(Sillitoeet al., 1984; seebelow), and possiblyalsoat...individualvol- andlarge(10-30-km-wide) Vailes-type Range,New Mexico(Lufkin, 1972), and Izenhood canicedifices |  | | 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) | | Morrison graduated from the University of Otago, New Zealand in 1973. He obtained his Ph.D. from the University...alteration selvages and are sulphide-poor with pyrite and arsenopyrite dominant over base-metal sulphides...zinc-rich massive sulphide lenses and with chalcopyrite-pyrite ores occupying lower por- 336 tions of copper-rich...the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...corresponded with increasing silver content of pyrite associated with gold grains of consistent fineness |  | Harrison, Rachel L., Maryono, Adi, Norris, Malcolm S., Rohrlach, Bruce D., Cooke, David R., Thompson, Jay M., Creaser, Robert A., Thiede, David S. (2018) Geochronology of the Tumpangpitu Porphyry Au-Cu-Mo and High-Sulfidation Epithermal Au-Ag-Cu Deposit: Evidence for Pre- and Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia. Economic Geology, 113 (1) 163-192 doi:10.5382/econgeo.2018.4547 | Journal (article/letter/editorial) | | user 170 HARRISON ET AL. Table 1. Summary of New 206Pb/238U Age Determinations from Intrusive and...Tumpangpitu Sample ID/depth (m) Coordinates/RL (m) Mine unit Alteration Mineralization Sedimentary and...N9046550/257 AND Quartz-kaolinite-pyrophyllite-barite Pyrite-chalcopyrite-bornite-chalcocite enargite...E173495 N9046564/69 OD Quartz-prophyllite-kaolinite Pyrite-chalcopyrite-covellite GTD-09-112/446...N9046141/214 OD Quartz-illite-kaolinite-pyrophyllite Pyrite-chalcopyrite GTD-09-104/357 |  | | Journal (article/letter/editorial) | | This article was downloaded by: [New York University] On: 10 October 2014, At: 14:10 Publisher: Taylor...1322 Capital Federal, Argentina Downloaded by [New York University] at 14:10 10 October 2014 Abstract...southeastern flat-slab Andean segment of the San Luis province of northwestern Argentina, extending from 28°...to the maximum expansion of 287 Downloaded by [New York University] at 14:10 10 October 2014 288 URBINA...terrains in the Sierras Pampeanas of San Luis province have been dated as late Precambrian to earliest |  | Milési, J. P., Marcoux, E., Sitorus, T., Simandjuntak, M., Leroy, J., Bailly, L. (1999) Pongkor (west Java, Indonesia): a Pliocene supergene-enriched epithermal Au-Ag-(Mn) deposit. Mineralium Deposita, 34 (2) 131-149 doi:10.1007/s001260050191 | Journal (article/letter/editorial) | | in the GSQ facies. The sul®des are dominated by pyrite, accompanied by common acanthite-aguilarite, polybasitepearceite...of gold and 1026 t of silver (Aneka Tambang 1996, new calculation). It is also one the most recent and...39 000 m of drilling (Basuki et al. 1994); no old mine or diggings existed at the site. Mining began in...1996. The ore-processing plant is installed on the mine site (Plate 1, photo 1a). The ore is milled to <74...+ 92% silver for re®ning in Jakarta. The Pongkor mine has opened in time to take over from the historical |  | | Book | | 1978 — WBND ON OAR . Western Australia, 1979 . New Zealand, 1980 . Sydney, 1981 . Melbourne, 1982 ....uranium treatment plant Managing the Ranger Uranium Mine in the Alligator Rivers Region—there is much more...White’s overburden heap Mine planning and scheduling at Ranger Uranium Mine—environmental requirements...sediment mobilisation within the Ranger Project Area A new paradigm for mining and conservation strategies ...design and operating aspects of the Ranger Uranium Mine treatment plant Laboratory study of the subaerial |  | Davies, A. G. S., Cooke, D. R., Gemmell, J. B., Simpson, K. A. (2008) Diatreme Breccias at the Kelian Gold Mine, Kalimantan, Indonesia: Precursors to Epithermal Gold Mineralization. Economic Geology, 103 (4) 689-716 doi:10.2113/gsecongeo.103.4.689 | Journal (article/letter/editorial) | | pp. 689–716 Diatreme Breccias at the Kelian Gold Mine, Kalimantan, Indonesia: Precursors to Epithermal...epithermal gold mineralization at the Kelian gold mine, Kalimantan, Indonesia. Prior to brecciation, andesite... Indonesia: Sutopo et al., 2003, 2007; Wau, Papua New Guinea: Sillitoe et al., 1984; El Teniente, Chile:...is because only a few descriptive papers (e.g., Wau: Sillitoe et al., 1984; Montana † Corresponding ...premineralization matrix-rich breccia bodies at the Kelian gold mine and assesses their role as a precursor to the formation |  | | Report (issue) | | volcanism had previously been recognized in Fiji, New Zealand, and the Philippines (Sillitoe and Bonham...unknown for gold mineralization, such as in New Guinea at Porgera, Wau, and Lihir (Williamson, 1983) have opened...SAN ANDREAS FAULT GORDA PLATE PACIFIC PLATE ' NEW HEBRIDES TRENCH MARIANAS TRENCH JAPAN TRENCH KURIL...veins. Sulfides associated with the gold include pyrite, sphalerite, and galena. The country rock adjacent...activity on Lihir Island, New Ireland Province: Geological Survey of Papua New Guinea Report 83/15, 21 p. |  | | 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 |  | | Journal (article/letter/editorial) | | surfaceand is precipitated with abundant quartz,pyrite,andadularia,alongwith a distinctive andsteeply...Lake City, Colorado,andby Lloyd (1959) at Waiotapu, New Zealand. More recently, hydrothermal eruptionshavebeenreportedby...Keam (1976) at Waimangu,New Zealand,andby Nairn andWiradiradja (1980) at Kawerau,New Zealand.Severalhist...includingeruptions at Karapiti,New Zealand,in 1981 andat Waimangu, New Zealand, in 1904. The term hy...DominicanRepublic (Kesler et al., 1981), Wau in Papua New Guinea (Sillitoe et al., 1984), Cimola in British |  | Blackwell, J. L., Cooke, D. R., McPhie, J., Simpson, K. A. (2014) Lithofacies Associations and Evolution of the Volcanic Host Succession to the Minifie Ore Zone: Ladolam Gold Deposit, Lihir Island, Papua New Guinea. Economic Geology, 109 (4) 1137-1160 doi:10.2113/econgeo.109.4.1137 | Journal (article/letter/editorial) | | Zone: Ladolam Gold Deposit, Lihir Island, Papua New Guinea JACQUELINE L. BLACKWELL,† DAVID R. COOKE,...Shallow-level epithermal facies (adularia-quartz-pyrite–cemented breccias, veins, and associated alteration)... Kilinailau North Bismarck Plate Manus Island New Ireland Tabar Manus Basin INDONESIA Introduction... located on PlioPleistocene Lihir Island, Papua New Guinea (Fig. 1), is the world’s largest alkalic epithermal...The gold is hosted predominantly in refractory pyrite. Average autoclave gold feed grade for the processing |  | | Journal (article/letter/editorial) | | minerals that contain traces of it, e.g. arsenopyrite, pyrite. In places where gold solubility is depressed by...reported secondary electrum from Wau in the highlands of Papua-New Guinea. There, the formation of electrum...due to oxidation of the thiosulfate ligands. At Wau the pH of the weathering solutions is buffered to...of metastable sulfur oxyanion formation during pyrite oxidation at pH 6 - 9 and 30~ Amer. J. Sci. 283:193-217...Seward T. M. (1987) The Rotokawa geothermal system, New Zealand: an active epithermal gold-depositing environment |  | | Journal (article/letter/editorial) | | units.Sericitic alteration is overprinted by silica-pyrite andchloritealterations. The chloritic alteration...whichis volumetrically the mostsignificant, contains pyrite,arsenopyrite, sphalerite, galena, native bismuth...workhasbeen andporphyry (Sillitoe,1985);Wau, PapuaNew Guinea carriedoutonthedeposit, withrecentdrillingbyjointven-...Milledbrecciawith subangularmatrixreplacedby silica-pyrite. lithicbreccias, composed of angular to subto rounded...PROPYLITIC PHYLLIC ILLITE-SMECTITE SERICITIC SILICA-PYRITE -- • • CHLORITIC FIG.6. Alteration typesandtheirrelationship |  | | Journal (article/letter/editorial) | | enrichment, from the Driefontein Consolidated Gold Mine, Witwatersrand Basin, Republic of South Africa,...land surface in the Driefontein Consolidated Gold Mine, Witwatersrand Basin, South Africa, in 1998. A primary...surfaces, e.g., arsenic sulfide, stibnite sulfide, pyrite, iron sulfide, and arsenopyrite, in scavenging gold...2002). Studies of gold(III)-chloride adsorption on pyrite involved a two-step reaction by forming a metastable...(AuHS0) has been determined on iron sulfide and pyrite surfaces leading to the reduction of Au(I) to Au(0) |  | | Journal (article/letter/editorial) | | systems may be assessed (e.g., Sierra Nevada Au province. California: ~ 3,150 tonnes Au; Clarke, 1970 )...in quartz vein and "albitite" intrusion areas per mine level suggest that the ore fluid and dyke magma...four active, calc-alkaline volcanoes (White Island, New Zealand; Mt. St. Helens, U.S.A.; Merapi, Indonesia;...~ 10% for deep fluid in the Taupo Volcanic Zone, New Zealand, derived from CO2, N> He, Ar, H20 and C1...history, Lyon and Hulston ( 1984 ) have shown for New Zealand geothermal systems that isotope partitions |
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