 | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,†...GNS Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY... Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the Hauraki goldfield in the...the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag between 1862 and |  | Simpson, Mark P., Gazley, Michael F., Stuart, Alistair G.J., Pearce, Mark A., Birchall, Renee, Chappell, Debra, Christie, Anthony B., Stevens, Murray R. (2019) Hydrothermal Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand. Economic Geology, 114 (2) 243-273 doi:10.5382/econgeo.2019.4630 | Journal (article/letter/editorial) | | Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson,1,† Michael F. Gazley...Research Centre, 114 Karetoto Road-RD4, Taupo 3377, New Zealand Scientific and Industrial Research Organisation...2013, New Zealand 4 GNS 5 Stevens Science, 1 Fairway Drive, Avalon, Lower Hutt 5010, New Zealand and...Pine Harbour Parade, Beachlands, Auckland 2018, New Zealand Abstract The Karangahake deposit is the third...largest gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, • terrace...Figure 1. Simplified geological sketch-map of New Zealand. 0 20 40 60 80 100 KM l INTRODUCTION It...Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ. Geological Survey bulletin |  | | Journal (article/letter/editorial) | | Structural Evolution of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MICHAEL J. BEGBIE,†,* Department... University of Otago, P.O. Box 56, Dunedin, New Zealand K. BERNHARD SPÖRLI, School of Geography, Geology...92019, Auckland Mail Centre, Auckland 1142, New Zealand AND JEFFREY L. MAUK School of Geography, Geology...Auckland 1142, New Zealand Abstract Golden Cross, located in the Hauraki goldfield of New Zealand, is a classic...overlapped in time, at least in part. Host rocks at Golden Cross dip 50° to the southeast. If the vein system |  | Simmons, S. F., Arehart, G., Simpson, M. P., Mauk, J. L. (2000) Origin of Massive Calcite Veins in the Golden Cross Low-Sulfidation, EpithermalAu-Ag Deposit, New Zealand. Economic Geology, 95 (1) 99-112 doi:10.2113/gsecongeo.95.1.99 | Journal (article/letter/editorial) | | Calcite Veins in the Golden Cross Low-Sulfidation, Epithermal Au-Ag Deposit, New Zealand STUART F. SIMMONS...University of Auckland, Private Bag, 92019, Auckland, New Zealand GREG AREHART,* Institute of Geological and Nuclear...Wairakei Research Centre, Private Bag 2000, Taupo, New Zealand MARK P. SIMPSON, Geology Department, University...University of Auckland, Private Bag, 92019, Auckland, New Zealand AND JEFFREY L. MAUK Geology Department, University... Private Bag, 92019, Auckland, New Zealand Abstract At Golden Cross, andesitic lavas and volcaniclastic |  | Vidal, Conrado Permuy, Guido, Diego M., Jovic, Sebastián M., Bodnar, Robert J., Moncada, Daniel, Melgarejo, Joan Carles, Hames, Willis (2016) The Marianas-San Marcos vein system: characteristics of a shallow low sulfidation epithermal Au–Ag deposit in the Cerro Negro district, Deseado Massif, Patagonia, Argentina. Mineralium Deposita, 51 (6) 725-748 doi:10.1007/s00126-015-0633-9 | Journal (article/letter/editorial) | | sulfidation epithermal Au–Ag deposit in the Cerro Negro district, Deseado Massif, Patagonia, Argentina Conrado...Berlin Heidelberg 2016 Abstract The Cerro Negro district, within the Argentinian Deseado Massif province...contains about 70 % of the Au–Ag resources in the district. Mineralization consists of Upper Jurassic (155...Patagonia . Argentina Introduction The Cerro Negro district is located at the northwestern margin of the Deseado...(1999) to define the region as an Au–Ag metallogenic province. Since ∼2000, the region has produced 4.9 Moz |  | Zhai, Wei, Sun, Xiaoming, Sun, Weidong, Su, Liwei, He, Xiaoping, Wu, Youliang (2009) Geology, geochemistry, and genesis of Axi: A Paleozoic low-sulfidation type epithermal gold deposit in Xinjiang, China. Ore Geology Reviews, 36 (4) 265-281 doi:10.1016/j.oregeorev.2009.04.003 | Journal (article/letter/editorial) | | Technology of China, Heifei, 230026, PR China e Axi Gold Mine, Yining, Xinjiang, 835000, PR China b c a r t i... limonite, and trace amounts of pyrargyrite, polybasite, naumannite, cerargyrite, sphalerite, chalcopyrite...Kelian in Indonesia, Golden Cross in New Zealand, Ladolam and Porgera in Papua New Guinea, Chinkuashih...western Tianshan orogenic belt in Xinjiang Autonomous Region, China. The wall rocks of the deposit are subaerial...and identifying guidelines for exploration in the region. 2. Geological setting The Axi gold deposit is |  | Chauvet, Alain, Bailly, Laurent, André, Anne-Sylvie, Monié, Patrick, Cassard, Daniel, Tajada, Fernando Llosa, Vargas, Juan Rosas, Tuduri, Johann (2006) Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41 (4) 387-410 doi:10.1007/s00126-006-0068-4 | Journal (article/letter/editorial) | | and vein evolution of the epithermal Shila-Paula district, southern Peru Received: 28 July 2005 / Accepted:...2006 Abstract The epithermal Shila-Paula Au–Ag district is characterized by numerous veins hosted in Tertiary...sphalerite–chalcopyrite–pyrite–galena–tennantite–tetrahedrite–polybasite–pearceite– electrum assemblage. The ore in the...analysis of the Shila-Paula vein system and give new insights into the analysis of internal vein filling...metallogenic provinces of southern Peru The Shila-Paula district is one of the many areas of low-sulfidation epithermal |  | | Report (issue) | | supplies of minerals, especially within the Empire, new methods of usage and other commercial developments...1 N. America : Canada . . . . . 2 3 Australasia: New South Wales ; Queensland ; South Australia ; Tasmania...; Vi c t o r i a ; W e s t e r n Australia ; New Zealand . . . . 52 • • CHAPTER I I I SOURCES OF SUPPLY...ValuSterling. ANNUAL VARIATIONS IN VALUE OF SILVER In New York, quotations for silver are given i n cents per...(Dark-red silver ore) Stephanite (Brittle silver ore) Polybasite Tetrahedrite (Fahlore) • • • • • • • • |  | Yun, Seong-Taek, So, Chil-Sup, Choi, Sang-Hoon, Shelton, KevinL., Koo, Ja-Hak (1993) Genetic environment of germanium-bearing gold-silver vein ores from the Wolyu mine, Republic of Korea. Mineralium Deposita, 28 (2) doi:10.1007/bf00196335 | Journal (article/letter/editorial) | | germanium-bearing gold-silver vein ores from the Wolyu mine, Republic of Korea Seong-Taek Yun ~'*, Chil-Sup...1991/Accepted:August 26, 1992 Abstract. The Wolyu mine is one of the largest vein-type gold-silver-bearing...gold-silver-bearing epithermal systems in the Youngdong district and is the first gold-silver deposit in Korea found...Wolyu mine is one of many vein-type gold-silverbearing epithermal systems in the Youngdong district (Choi...since 1932. It is currently the only active mine in the district and has been one of the largest and most |  | | Report (issue) | | States • • • ••• Australia • • • ••• • •• •• • New Zealand ••• ••• 0 • . •• • •• • .... • •• ••• ••...California, and the west coast of the South Island of New Ze.a land. 1 ' r 7 • • The auriferous conglomerates...Hanson, Eng. Min. Journ., New Ybrk, 1920, 109, 194. The Mineral Industry, New York, 1919, 28, 295- 309...309, and 747- 794. Chem. and Met. Eng., New York, 1920, 22, 3-4. :it • 9 • remark, however, considerable...practically determined by the dollar excha.n ge rate in New York, • * Refining Gold Bullion with Chlorine Gas |  | | Journal (article/letter/editorial) | | at: No. 19, Beitucheng Western Road, Chaoyang District, 100029 Beijing, P.R. China. E-mail address:...Mexico, the United States, Canada, Chile, Peru, Papua New Guinea, and Japan. Lindgren (1922, 1933) first defined...“carbonate-base metal Au deposits” in the circum-Pacific region (e.g., Leach and Corbett, 1994; Corbett and Leach...al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua New Guinea (Sillitoe, 1989)...sulfosalts, including pyrargyrite, freibergite, polybasite-pearceite, and stephanite, 3) Ag tellurides, |  | | Journal (article/letter/editorial) | | thermodynamic model may be used to understand district Ag-distribution or as an exploration tool. Keywords:...(Czamanske and Hall 1975), the Santa Eulalia mining district, Mexico (Lueth et al. 2000), 1630 CHUTAS ET...Bergslagen, Sweden (Jeppsson 1987), and the Nipissing Mine, Ontario (Scott 1976). In many deposits, Ag appears...in the GMM at high temperature. This study uses new experimental results and a thermodynamic model to...(1999), and galena from the Coeur d’Alene mining district, which is at least 99.99% PbS. Cations (Ag, Pb |  | Li, Xi-Yao, Zhang, Zheng-Wei, Wu, Cheng-Quan, Xu, Jin-Hong, Jin, Zi-Ru (2019) Geology and geochemistry of Gunung Subang gold deposit, Tanggeung, Cianjur, West Java, Indonesia. Ore Geology Reviews, 113. 103060 doi:10.1016/j.oregeorev.2019.103060 | Journal (article/letter/editorial) | | in Tanggeung, in the southern part of Cianjur District, West Java, Indonesia (Fig. 1a). Exploration has...porphyritic texture covers the center north area, the SE region, and the SW area, namely R N the Cilangkap and...into three major modes of occurrence within the district: boulder type andesite U with an onion structure...plagioclase (Fig. 5h). The ore mineralization in the district is likely to be associated with andesite (Fig...Hamilton, W., 1979. Tectonics of the Indonesian region Washington: United States Government Printing Office |  | | Journal (article/letter/editorial) | | Alteration and Mineralization in the Comstock District, Nevada DONALD M. HUDSON† 1540 Van Petten Street...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...elsewhere in the district. Pliocene to Holocene reactivation of faults has disrupted the district, redistributing |  | 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...formed over a large vertical interval (>600 m). New sulfur isotope and fluid inclusion data are provided...outside of the immediate vicinity of the Kelian mine area. Their minimum thickness is 650 m. The base...(Ferguson, 1986; van Leeuwen et al., 1990; local mine terminology) would be better described as plagioclase-hornblende...sulfidation, mar = marcasite, pyr = pyrite, pol = polybasite, ppyg = proustite-pyrargyrite, po = pyrrhotite |  | | Book | | good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the |  | | Report (chapter) | | service click here to receive free e-mail alerts when new articles cite this article Permission request click...inclusion and stable isotope techniques. The Rozália mine in the Štiavnica stratovolcano hosts intermediate...2004). Today gold mining remains in progress and new economic deposits are still being discovered. The...mineralised palaeohydrothermal systems in this region (e.g. Lexa et al. 1999a; Koděra et al. 2005, 2010a...The best studied localities include the Rozália mine intermediate sulphidation epithermal Au-Ag deposit |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...regional scale 3D-model of the Skellefte mining district, northern Sweden ..............................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ....................................epithermal Au-Ag mineralisation at Golden Cross, Hauraki Goldfield, New Zealand ................ 70 A.B.... Christie & R. Carver A new storage approach for 3D Modeling ..................................... |  | | Book | | appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of...in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific, China, Greenland and... Contents 4.6.5 Candelaria, Punta Del Cobre District, Chilean Coastal Belt. . . . . . . . . . . . ...2 Ladolam Epithermal System, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . 5.3.3 Hauraki Goldfield, Coromandel Peninsula, New Zealand 5.3.4 The Epithermal Systems |  | | Report (volume) | | Geology and Metallogeny of the Carpatho-Pannonian Region PEEL ION Toth cetcisethysae vag Me eta dix se oe... oh tee seareae 203 The Banska Stiavnica Ore District: Relationship between Metallogenetic Processes...an eae eer 213 Mineralizations at the Rozalia Mine, HodruSa WU cia ORK oderay UPrcicn oa Saly, and...lowsulfidation deposits of the Banska Stiavnica mining district. A high-sulfidation epithermal deposit will be...Stiavnica stratovolcano central zone and Rozalia Mine 18.30-19.30 Dinner 19.30-22.00 Optional visit to |  | | Journal (volume) | | '62 S27 "69 263 '383 M W (p.f.) Boswin Mine Boswin Mine Equipment Botallack Bowler. L. 115 307 441...Bayldon, H. C Bavliss V. Pearson North Dundas Tin District Beil, -J. Critical Moisture in Tube-Mill Peed...Revolution in Mexico Blyth. C. R. H Report Boieo District of Bolivia, Chorolque Tin A. B. Reece Bolivia... Burt Slime Filter Butler, R. H. B '234 of a Mine 152 Progress in Cyanidation (r.M Asbestos Burnham...Forstner 300 193 Hecla Consolidation F Cam & Motor Mine Nigeria andits Tinfields Calvert, A. Camborne |  | | Journal (volume) | | A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...OF CONTENTS Page DISTRICT REPORTS OF MINING ENGINEERS—— 7 Redding Field District 7 Sacramento Field...Field District 7 San Francisco Field District 7 Los Angeles Field District i) Current Mining Activity...now available is appended hereto, and the names of new bulletins will be added in the future as they are |  | | Journal (volume) | | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. .... 191 Alabama, Coal Production, 1896. Aluminum, New Uses..... ........... 632 Abbotl’s Pat. Separator...on Tennessee Valley Region. Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97...118 Alabama Industrial and Scientific Amador Queen Mine, Cal..... ...... 263 Acetylene Gas, Conner's Pat... Doddridge's Pat...... 487 "Alabama, Johns Coal Mine. 74 Amalgamating Process, FischerAcetylene Gas, |  | | Journal (volume) | | ANNUALLY. The Engineering & Mining Journal PUBLISHERS. NEW YORK, 261 Broadway. LONDON, 20 Bucklersbury, The...STRUTHERS, Ph.D VOL. XI SUPPLEMENTING VOLUMES I TO X NEW YORK and LONDON THE ENGINEERING AND MINING JOURNAL...Japan—Mexico—Portugal—Servia—Spain Turkey—Market Conditions in New York—Technology—Electrolytic Extraction of Antimony...France—Germany—Italy—Trinidad and Tobago—Turkey—Venezuela —The New York & Bermudez Co.—Ozokerite—Austria—United States...Ore—Canada—Greece—New Caledonia—New South Wales— CONTENTS. VI PAGE New Zealand—Norway—Turkey—Technology—Composition |
|
