 | | 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...springsinter andtravertineand,in depth,a quartz-calcite-kaolinite-smectite-(illite) alterationassemblage. No significantgoldis |  | 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...quartz (locally vuggy), alunite, pyrophyllite, kaolinite, dickite, and diaspore, with high-sulfidation |  | | 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. |  | 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...GTD-12-292/513 E174082 N9046550/257 AND Quartz-kaolinite-pyrophyllite-barite Pyrite-chalcopyrite-bornite-chalcocite...SED (1) Chlorite-calcite (2) quartz-dickite-kaolinite Phase 1; hornblende quartz diorite ARM-TB-43...Quartz-kaolinite - Phase 2; old diorite GTD-09-129/102 E173503 N9046136/203 OD Quartz-kaolinite-dickite |  | | 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...the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...Shimazaki and Shimizu, 1986, 1987). In recent years, new thermodynamic data on the bisulphide-complexesof...from Fisher ( 1945 ), have been reassigned in the new classification to facilitate comparison of bullion... Canadian Arrow 21 Lily 22 23 Three Sisters New Consort 24 Fairview 25 Sheba 26 Agnes 27 |  | | Journal (article/letter/editorial) | | pressures above hydrostatic during mineralization. Kaolinite-alunite epithermal deposits, sometimes called...(Gonzalez, 1956; Garcia & Bongolan, 1989), Wafi in Papua New Guinea (Leach & Erceg, 1990) and Lahoca in Hungary...margins and in island arcs (Mitchell, 1992). Since kaolinite-alunite epithermal gold or copper-gold mineralization...1. Very large gold deposits at Porgera in Papua New Guinea and Kelian in Kalimantan are also of adularia-sericite...PYROCLASTIC FLOWS soo 2.c. Associated intrusive rocks MINE SE UPPER ANOESITES MIDDLE PYROCLASTICS AN0ESITES |  | | 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...Mineralizationandalterationyoungerthanthe acquartz, sericite.,kaolinite, tourmaline, and pyrite. Schorlitic tourmaline...concludedthat the dia- to that atWau, PapuaNew Guinea,wherea golddetremeat MontanaTunnelswasemplacedduringa |  | | 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 |  | | Journal (article/letter/editorial) | | The 999 ] 000 BOWELL,FOSTER,AND GIZE Ashanti mine, Ghana, was chosen as a field site on 10 m, al...workedfor over 80 years.In the upper part of the mine the metatholeiitesequence formsthe footwall to the...The mineralization is concealedby up to 10 m of kaolinite-micaferralsol soilbeneathwhichis a saprolitezoneof...dispersion of goldandsilverin thesaprolite at Sansu mine,Ashanti: (a)8 level (hypogene zone),(b)6 level(transition...Websterand Mann, 1984). In the Morobe gold fields of Papua New Guinea, primary native gold occursin gold- |  | | Journal (article/letter/editorial) | | 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...licalteration.Widespreadcristobalite-alunite-kaolinite ispresentaboveaninferred paleoground-watertable...DominicanRepublic (Kesler et al., 1981), Wau in Papua New Guinea (Sillitoe et al., 1984), Cimola in British |  | 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) | | 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...lapilli-and-block tu have collapsed by about 60 m at the mine site. A caldera hypothesis for the structure is |  | 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 |  | 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,... 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...Tanga Feni Rabaul Bougainville New Britain NEW GUINEA Britain New Tr en ch Solomon Sea Plate 10...E FIG. 1. Map of Papua New Guinea showing the location of Lihir Island in the New Ireland basin, modified |  | | 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) | | H2S-bearing steam condensate Opal/chalcedony, alunite, kaolinite, smectite H2S-bearing steam condensate Opal/chalcedony...geothermal system, Taupo Volcanic Zone, North Island, New Zealand (see Simmons et al. 1993) The reactive H2S-bearing...comprises powdery opaline silica, alunite, and/or kaolinite (Fig. 4b), depending on solution pH. The opaline...White et al. 1956), forms at pH 2–3, whereas kaolinite and more distal smectite characterize rock volumes...the Ladolam LS gold deposit, Lihir Island, Papua New Guinea, are represented at surface by steaming ground |  | | 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 |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY NEW INFORMATION RESOURCES OF THE U.S. GEOLOGICAL SURVEY...San Miguel, Mora, Rio Arriba, and Taos Counties, New Mexico. Reston, Va. : U.S. Geological Survey, 1988...London ; New York : GIS GISS Main PAGE AGGREGATES (BUILDING MATERIALS) PAPUA NEW GUINEA. Kawatt...investigation. 1987. Moresby] : Geological Survey of Papua New Guinea, [1987] (930) qR no.87-17 [Port ALKALI LANDS...gem of the ages. 2nd print, (with revisions). New York, NY : Kosciuszko Foundation, C1987. 469 R366a |  | Corral, Isaac, Cardellach, Esteve, Corbella, Mercè, Canals, Àngels, Gómez-Gras, David, Griera, Albert, Cosca, Michael A. (2016) Cerro Quema (Azuero Peninsula, Panama): Geology, Alteration, Mineralization, and Geochronology of a Volcanic Dome-Hosted High-Sulfidation Au-Cu Deposit. Economic Geology, 111 (2) 287-310 doi:10.2113/econgeo.111.2.287 | Journal (article/letter/editorial) | | sphalerite, crosscut by late-stage base metal veins. New 40Ar/39Ar data of igneous rocks combined with biostratigraphic...by quartz ± alunite ± pyrophyllite ± dickite ± kaolinite ± illite, and montmorillonite ± chlorite (Steven...hydrothermal alteration minerals include alunite, kaolinite-dickite, and A Costa Rica Caribbean Plate ...affinities similar to the Caribbean large igneous province, interpreted as the arc basement (Del Giudice...(2011a, 2013) used new field, geochemical, and biostratigraphic data to define a new lithostratigraphic |  | | Journal (article/letter/editorial) | | uppermost part of Unit X. It contains vermicular kaolinite, goethite, and dolomite which cements siliceous...This stockwork-like mineralization also contains kaolinite and barite (Fig. 5, IV). On top of this grey series...during caldera evolution as shown by Elston (1984) in New Mexico. From the sedimentological and paleogeographical...Mid-Tertiary ash flow tuff cauldrons, Southwestern New Mexico. J Geophys Res 89:8733-8750 Fisher R V, Schmincke...(1984) Pyroclastic rocks. Springer, Berlin Heidelberg New York, 472 pp Goudie AS (1983) Calcretes. In: Goudie |  | | Book | | proportion of the accumulating information. This new book represents an attempt to address this major...of gold mineralization. For access to a wealth of new information the reader is encouraged to tum to the...demand for gold in the 1980s has opened up exciting new avenues of research and generated a wealth of hard...James Crocket is a graduate of the University of New Brunswick, Oxford University, and the Massachusetts...Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in |  | | Journal (article/letter/editorial) | | B. De Boer Grantham G. Mook Touret Van Breemen NEW ZEALAND REPUBLIC OF CHINA T. Lee SPAIN J. Albaiges...RICHARD A. COOK: Organic geochemistry of sediments in New Zealand. Part I. A biomarker study of the petroleum...isotope study of early Archean rocks, Qianan, Hebei Province, China 625 F. WACKER: Noble gases in the diamond-free...MUENOW: Martian volatiles in shergottite EETA 79001: New evidence from oxidized sulfur and sulfur-rich aluminosilicates...isotope geochemistry of graphite vein deposits from New HampshIre, U.S.A. . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | HydrothermalEruptionsin the WaiotapuGeothermalSystem,New Zealand:Their Origin, AssociatedBreccias,and Relation...hydrothermaleruption brecciasin the activeWaiotapugeothermalsystem,New Zealand.Thesesurficialdepositsare characterized by...Moun- tain (Nevada),McLaughlin(California),Wau (Papua New Guinea), and Iwato and Kasuga(Japan)(Berger andEimon...brecciadepositsin the activeWaiotapugeothermalsystemof New Zealandare described.Theseprovidetextural andoth...brecciadepositsare well known,particularlyin the New Zealandgeothermal systems.Eruption breccia depositshave |  | | Book | | Cedex 2, France 1992 ELSEVIER Amsterdam · London · New York · Tokyo ELSEVIER SCIENCE PUBLISHERS B.V. Sara...Exploration Geoscience CSIRO P.O. Box 136 North Ryde, New South Wales Australia 2113 A. Marker Institut für...time further climatic change would give rise to new conditions and processes. Consequently, most landscapes...stable secondary minerals: -clays (principally kaolinite), Ti and Al oxides. Partial leaching of less mobile...weathering, or the reworking of relict material under new conditions. Certainly, in either circumstances, its |  | | Journal (article/letter/editorial) | | and the associated altered dikes. Dickitc and kaolinite are the most abundant clay minerals in the Marquette...the conclusions drawn from field relationships. Kaolinite can be formedreadilyover a wide rangeof temperatures...orthoclase.Noll (55, 56, 57) has synthesized kaolinite betweenthe temperaturesof 250ø and 400ø C at variouswater...replacement of halitein the Yorkshire and Texas-New Mexico evaporites,however,suggests formationas low...Tracy mine,southof Negaunee, Michigan. The nacriteoccupies smallpockets,with dickiteand kaolinite,in a |
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