 | 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 |  | | Journal (article/letter/editorial) | | Hydrologic Evolution of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MARK P. SIMPSON,† JEFFREY...University of Auckland, Private Bag 92019, Auckland, New Zealand AND STUART F. SIMMONS Geothermal Institute...Auckland, New Zealand Abstract Golden Cross, located in the Coromandel peninsula, New Zealand, is a classic...temporal zonation around veins, as defined along three cross sections (1,000 m long × 450 m deep), located 200...conditions. Veins and alteration minerals at Golden Cross formed in the shallow part (<400 m) of a hydrothermal |  | | Journal (article/letter/editorial) | | of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,† CHRIS M. HALL...92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...of Arizona, Tucson, Arizona 85721 Abstract The Hauraki goldfield in the Coromandel volcanic zone contains...47 ± 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins...these results indicate that mineralization in the Hauraki goldfield ranges from 16.3 Ma in the north to 2 |  | | Journal (article/letter/editorial) | | Composition of Altered Rocks at the Golden Cross Epithermal Au-Ag Deposit, New Zealand JEFFREY L. MAUK† AND MARK...Auckland Mail Centre, Auckland 1142, New Zealand Abstract Golden Cross is a late Miocene volcanic-hosted...assemblages located in the Coromandel peninsula, New Zealand. Gold- and Ag-bearing quartz veins occur in intensely...primary control of whole-rock geochemistry at Golden Cross, as at other volcanic-hosted epithermal deposits...geochemical zonation patterns identified at Golden Cross are very similar to those at other epithermal |  | | 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 |  | 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 |  | Brathwaite, R., Simpson, M., Faure, K., Skinner, D. (2001) Telescoped porphyry Cu-Mo-Au mineralisation, advanced argillic alteration and quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand. Mineralium Deposita, 36 (7) 623-640 doi:10.1007/s001260100182 | Journal (article/letter/editorial) | | quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand Received: 28 August 2000 / Accepted: 2 April...on the northeastern margin of the Thames district, New Zealand. The geological setting is Jurassic greywacke...Sciences Ltd., P.O. Box 31-312, Lower Hutt, New Zealand E-mail: B.Brathwaite@gns.cri.nz Present address:...University of Auckland, Private Bag 92019, Auckland, New Zealand temperatures (450 to >600 °C). These hypersaline...selvages from quartz-gold veins in the Thames district. Introduction A porphyry Cu-Mo-Au prospect was |  | 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...arsenopyrite, hematite, limonite, and trace amounts of pyrargyrite, polybasite, naumannite, cerargyrite, sphalerite...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 |  | | 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...(Horn silver) . Proustite (Light-red silver ore) Pyrargyrite (Dark-red silver ore) Stephanite (Brittle silver |  | 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...stages 2 and 4 and in rhodochrosite and proustite-pyrargyrite from stage 4 may also reflect a component of...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 |  | | Journal (article/letter/editorial) | | carbonate rocks from the Bingham Canyon, Utah mining district. Replacement of the carbonate rock appears to...fractures on the No. 6 level of the Highland Boy mine, Bingham Canyon, Utah. The mineralized fractures...replacement ore on the 5.5-level of the Highland Boy mine, Bingham Canyon, Utah. Unreplaced zones are white...carbonate-replacement mineralization. Numerous cross-linking, mineralized fractures are also evident...Murray vein 950-level Tonopah-Extension mine, Tonopah mining district. Bands of alternating sulfides and rhodochrosite |  | Anikina, E. Yu., Bortnikov, N. S., Klubnikin, G. K., Gamyanin, G. N., Prokof’ev, V. Yu. (2016) The mangazeya Ag–Pb–Zn vein deposit hosted in sedimentary rocks, Sakha-Yakutia, Russia: Mineral assemblages, fluid inclusions, stable isotopes (C, O, S), and origin. Geology of Ore Deposits, 58 (3) 182-212 doi:10.1134/s1075701516030028 | Journal (article/letter/editorial) | | (~80 Ma) (Parfenov et al., 1995, 1999). The ore district is com posed of Carboniferous–Permian and, to...turbidites, and deepwater black shales. In general, the region is char acterized by longterm geodynamic evolution...thrustfault system along the boundary between the fold region and the Siberian Platform (Gosudarstvennaya …,...Schematic geological map of West Verkhoyansk ore district. (1) Upper Mesozoic sandshale rocks, (2–5) Upper...Orebodies The orebodies are represented by stratal and cross cutting veins, vein zones, mineralized breccia |  | | 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)...acanthite-argentite, 2) Ag sulfosalts, including pyrargyrite, freibergite, polybasite-pearceite, and stephanite |  | | 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 |  | 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 |  | | 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 ..................................... |  | | 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 |  | | 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 (issue) | | Clear Creek district Cove district, by Thomas Gay, E. Jr. Paso Mountains district Erskine Creek...Creek district El Gorman tin 31 district : Greenhorn Mountain district Greenhorn Summit tungsten district...district Indian Wells Canyon district Jawbone Canyon district Kern River Canyon district Keysville district...district Kramer borate Loraine district Mojave district district, Mountains Piute Rademacher...Rademacher Rand district Tehachapi by William E. Ver Planck 41 1 43 45 47 47 district district _ Red |  | | 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 |  | | Report (issue) | | longer district Hulin, respectively. the principal features of each gold-bearing district are described...S. Commissioner of Mineral prepared reports of mine production and gold-mining Bureau, and later now... W. D. Johnston, Jr., work the Mother Lode region in contributed to knowledge of Adolph Knopf...John Wells. is also given to the large number of mine owners and operators, mining engineers, and miners...Emigrant 42 42 42 43 43 43 „ Placer _EI English District 41 Kern Damascus... Deer Creek Deer Valley |  | | Report (issue) | | OR PROFE SIONAL PAPER 68 THE ORE DEPOSITS OF NEW MEXI.CO BY WALDEMAR LINDGREN, LOUIS C. GRATON AND...PRQ)tESSIONAL PAPER 68 T·H E ORE DEPOSITS O.F NEW MEXICO.. . . ., .,· ;,.: BY WALDEMAR LINpGREN...J,5 Historical sketch of mining and smelting in New Mexico....... . . . . . . . . . . . . . . . ............... . . , ... -.. . Rio Hondo. (Twining) district . . . . . . . . . . . . . ......................::.:::.::: ::: :::: :: ':::: :: ::::. Red River district. ..................•......... -~ . . ........ |
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