| 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) | Zone, New Zealand ANTHONY B. CHRISTIE,â GNS Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the...Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag...sphalerite, galena, chalcopyrite, sulfosalt minerals, and Te- and Se-bearing minerals are present in some deposits | | | 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, âą 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) | BRIAN W. ROBINSON 3 1New Zealand Geological Survey, DSIR, Lower Hutt (New Zealand) 2Chemistry Division,...DSIR, Petone (New Zealand) 3Institute of Nuclear Science, DSIR, Lower Hutt (New Zealand) (Received June...from epithermal veins in the Hauraki Goldfield, New Zealand, and 1 calcite drill-cuttingsample from the Ngawha...from epithermal veins of the Hauraki Goldfield, New Zealand, an at- © 1989 Elsevier Science Publishers B...KARANGAHAKE~ \Waitekauri TE AROHA=XToi ~ ' ~ Waiorongomai 0 , , ,, 25krn ~A~ , TAUR~A X âą TE PUKE Fig. 1. Location | | | Journal (article/letter/editorial) | Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,â ,* CORINNE A. LOCKE, JOHN...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Aeromagnetic, airborne radiometric...of alteration zones in the form of adularia and illite. A broad K/Th anomaly correlates with the extent...Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked, 50-gravity unit...data provides an outstanding case study of the district- to regional-scale geophysical characteristics | | | Journal (article/letter/editorial) | Province, New Zealand W. R. H. RaMsaY Armidale, N. S. W., Australia H. W. KOB~ Auckland, N e w Zealand The...Province, which constitutes N e w Zealand's major region of noble metal production (Fig. 1). The province...Corornandel ;1ThamesPeninsula /LTe Aroha AUCKLANJ i Central Volcanic ~ Region NORTH ISLAND SOUTH ISLAND...general geological map, Great Barrier Island, New Zealand TRUM'S conclusions, while more recently THOMI...the island on N. Z. Geological Survey Map of New Zealand, Sheet 2B, 1:250'000. He correlates the Andesitic | | | Journal (article/letter/editorial) | re- gardlessof ultimateorigin; and (6) juvenile--"new" water that is in or is derived from the mantle and...hydrosphere. Each of thesetypesof water may migrateinto new chemicaland physicalenvironments, evolvingchemically...metamorphic componentincreases. In places in the region north and west of Sulphur Bank, the meta.morphicfluid... This figurealsoshowsthe isotopiccomposition of mine-drainagewater (averageof 4 analyses) from the Abbott...Figure 2. The thermal waters show an average New Zealand "8âą80-shift"of about2.5 per mil. Their isotopiccomThe | | | Journal (article/letter/editorial) | GoldenCrossEpithermalGold-SilverDeposit,Waihi, New Zealand CORNELE. J. DE RONDE* Geology DepartmentUniversity...NewZealandGeologicalSurâąetd, P.O. Box$0 $68, Lower Hurt, New Zealand Abstract The GoldenCrossepithermalgold-silverdepositis...the Taupo volcaniczone in the Waihi district,Coromandel Peninsula,New Zealand.Gold andsilverof economicgrades(1-20...sequencesmectite,,interstratifiedillitesmectite, illite, and chlorite correspondingto a regional increase...previouslybeendescribedfromepithermal depositsin New Zealandandpossiblycontainorganicliquid(s). Oxygenisotopesof | | | Journal (article/letter/editorial) | Gold-Silver-Base Metal Sulfide-Quartz Vein System, New Zealand: Temperature and Salinity Controls on Electrum...Nuclear Sciences, P.O. Box 31312, Lower Hutt, New Zealand Abstract The large, andesite-hosted quartz vein...economic Au-Ag ore. A pervasive adularia-quartz-illite-chlorite-pyrite alteration zone bounds the larger...calcite + pyrite ± adularia ± illite. This zone is enveloped by an illite-quartz-adularia-chlorite-calcite-pyrite...a transition zone characterized by interlayered illite-smectite into a smectite-chlorite-calcite alteration | | | Report (issue) | ____________________________ 2. Generalized geologic map of the region near Steamboat Springs, Nevada __________ _____...ages for volcanic rocks from the Steamboat Springs region 2. Timespans of geothermal and ore-forming epithermal...hot-spring system. Steamboat Springs and the surrounding region have been thoroughly studied by geologic, geochemical...Nevada. Geology modified from Bonham (1969). In the region surrounding Steamboat Springs (fig. 2), pre-Tertiary...others, 1964). Ages of the volcanic rocks in the region are based on potassiumargon dates, largely summarized | | | Journal (article/letter/editorial) | Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,â CHRIS M. HALL,2 JOHN T....92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...Northland and Colville volcanic arcs in the New Zealand region of the southwest Pacific. Introduction EPITHERMAL...Sillitoe, 2008), and the Hauraki goldfield of New Zealand (e.g., Christie et al., 2007). Work in these...regional chronology of the Hauraki goldfield, providing new 40Ar/39Ar dates of hydro- 921 922 MAUK ET AL | | 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) | Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson,1,â Michael F. Gazley,2,* Alistair...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...producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the Maria and Welcome/Crown | | | Journal (article/letter/editorial) | Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSONâ AND JEFFREY L. MAUK School of...Mail Centre, Auckland 1142, New Zealand Abstract The Favona deposit is a new epithermal vein discovery...million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted in late...Both adularia and albite are variably replaced by illite, which, together with broadly coextensive chlorite...locally at depth in the hanging wall. Interstratified illite-smectite containing 10 to 70 percent smectite and | | | Journal (article/letter/editorial) | water to characterize water sources to abandoned mine tunnels D. WALLSCHLĂGER1*, J. LONDON1, Y.-W. CHEN2...into abandoned mine tunnels may help minimize water-quality degradation from acid-mine drainage and aid...Dinero tunnel drains abandoned mine workings in the Sugarloaf mining district near Leadville, Colorado, USA...determined in more than 250 water samples collected from mine tunnels, transmountain diversion tunnels, springs...primarily ground water and includes springs and draining mine tunnels, including Dinero tunnel; isotope ratios | | | Report (volume) | east-west, northwest, and northeast within the district. Hawkins (1982) postulated that the east-westÂ...scale east-west-trending faults in the Enfield Bell mine are are the Marlboro Canyon, Bell, and Ridge faults...upper- and lower-plate rocks in the Jerritt Canyon district is thought to be a high-angle fault. Exposure...cover in the district. REGIONAL STRATIGRAPHY Most of the rocks in the Jerritt Canyon district are Paleozoic...Kay, 1967) (Ordovician) Silicified rock GEORGIA TE H LIBRARY Thrust fault- sawteeth on upper plate | | Kharkar, D.P., Turekian, K.K., Bertine, K.K. (1968) Stream supply of dissolved silver, molybdenum, antimony, selenium, chromium, cobalt, rubidium and cesium to the oceans. Geochimica et Cosmochimica Acta, 32 (3) 285-298 doi:10.1016/0016-7037(68)90016-1 | Journal (article/letter/editorial) | BERTINE Department of Geology, Yale University, New Haven, Connecticut (Received5 ~e~~e~be~ 1967; acceptedin...method of concentration with high purity sodium c~bon~te as usxrier,12 rivers from the United St&es and the...American Petroleum Institute No. ZZA, Mississippi; illite, No. 35, Fithian, standard clays: montmorillonite...selenium on the clay minerals: montmorillonite, illite and kaolinite and the 2 Brazil &mmy, 1966 (MOOEBI...It is seen from Table 4 that montmorillonite and illite under conditions resembling those in streams adsorb | | | Journal (article/letter/editorial) | edeorption date obtained with these tracera to the region of the ectuel concentnrtion of ionium and mdium...32â34â N, 64â43 4â W 27â08â N, 76%8 W 42â09â N, tUiâS3â W 4074 3476 1956 1829 241 m m m m m The waehed...shallower water. and it is poeeible that some of the te&s have been derived from Pliocene outcrops on the...grained portion of the sediments. Qu8rtz. pyroxene, illite group minemls. and come kaolinite group minerals...samples; calcite and illite group minemls of the globigerina ooze sample8 and quartz, illite. montmorillonite | | | Book (edition) | Originally published by Springer-Verlag Berlin Heidelberg New York in 1980 Softcover reprint of the hardcover 2nd...exchange rates for montmorillonite greater than for illite and kaolinite. This effect is probably related...limestone NBS- 20 is not very suitable as a standard new carbonate standards NBS- 18 and NBS- 19 (a carbonatite...photosynthesis is called the Calvin cycle. Recently, a new mode of photosynthesis has been discovered, in which...factors at temperatures less than 300 °C. Recently, a new technique using a three-isotope exchange method has | | | Journal (article/letter/editorial) | reverse-sinistral faults overprint earlier vein events forming a new episode of extensional veins during D3 event, mostly...by Elsevier B.V. 1. Introduction The Penjom gold mine (Penjom) is located 10 km south of Kuala Lipis town...during the working period of the ïŹrst author as mine geologist at Penjom. The main observations focus...scale primary gold mining as well as generated a new interest in understanding the geological settings...lineament. The Penjom gold mine lies 30 km east of this suture in the Kuala Lipis district of Pahang State within | | | 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)...alteration: a case study on the Seigoshi-Ugusu district. central Japan ....................... 1.4.2.6.................................... 1.4.4. Se- and Te-type Au-Ag deposits ...............................interaction with carbonaceous matter. In the Kitakami district (North Honshu) gold vein-type (mesothermal-type) | | | Book (volume) | Strata-Bound Zinc-Lead Deposits of the Upper Silesian Region, Polanda Review of Some Recent .Research .. .....Madenkoy Massive-Sulfide Deposit, Eastern Black Sea Region, Turkey ............. ............. .. ..........Mineralization: an Example from the Iwami Mining District, Shimane, Japan ..... ............... ..........Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions ......of the Sterling Hill Zinc Deposit, Sussex County, New Jersey .. ...... ..... . .. .. ..... ....... ... | | | Report (issue) | DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY NEW INFORMATION RESOURCES OF THE U.S. GEOLOGICAL SURVEY...standards 1987 INTRODUCTION New Information Resources is a list of new earth science materials recently...Institute. ACID POLLUTION OF RIVERS, LAKES, ETC. NEW JERSEY PINE BARRENS. Morgan, Mark D. Impact of acid...stream water chemistry in the New Jersey Pinelands : final report. New Brunswick, N.J. : Center for Coastal...Environmental Studies, Rutgers, The State University of New Jersey, 1986. 795(222) M823i ACID PRECIPITATION | | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | Danaâs New| Mineralogy | Eighth Edition Richard V. Gaines H. Catherine W. Skinner Eugene E. Foord Brian...Mason Abraham Rosenzweig i DANAâS NEW MINERALOGY DANAâS NEW MINERALOGY The System of Mineralogy...ROCHESTER, NEW YORK And with Illustrations by ERIC DOWTY SHAPE SOFTWARE JOHN WILEY & SONS, INC. NEW YORK...Department, John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012. This publication is designed...ation Data Dana, James Dwight, 1813-1895 Danaâs new mineralogy: the System of mineralogy of James Dwight | | | Journal (article/letter/editorial) | underlying beds were deposited. 1. INTRODUCTION of a new, oil-fired power-station on the west bank of Southampton...fauna is also known at Brook and Bramshaw in the New Forest (Fig. 6). The bed K fauna, however, includes...its type locality. Overlying the Brook Bed in the New Forest is the Shepherd's Gutter Bed. Bed M has yielded...from THE FAWLEY TRANSMISSION TUNNEL 195 this region, a slight flexure brought the beds nearly horizontal...Selu)' . . .. (S l ubb inghn) Tun nel :z « New hru t T h1ck n..,) ( âąâąUmahd I VerScllca a le | | | Report (issue) | Ho* 1* ThU «1U 1» fe&mtt id*** *?*? «* 1» ifc* BS* *te. H to* a$ **e* 3*f T* &*+,&*& V* Four t war* 9iaU«d»...C# U^t». te«Tfer, Duffalo $m «it» fia* 1 of 2 Co, n^r r«f«Er« to this «lt» « tb* Bufftlo te *It* ft>»... - * < fatgk OB* l&pNtiNt ttteafa* Bang* ~^^ *te*raBK& m tt* «*at fend III* to tt* m& tattfe *» th«...s<*ar DixoKj «w4 m «J>tsv^«j* of %n^ Kil4 clijsai* ^te It ccft of tht ricb«>t of KUth«&i Lake v?Nrt of flfti...«dl«| wfeicfa &&&&» of In the oafl^cu WKJtlorx i» TUi racAindUsr of frost ita Clai% fork Slw to i^octh | | | Book | RHODES THE GEOLOGICAL EVOLUTION OF AUSTRALIA AND NEW ZEALAND a* ; , gs _ (Sy 7 7 7 i ~ t ~~ ...GEOLOGICAL EVOLUTION ©) Moan AUSTRALIA & NEW ZEALAND by D. A. BROWN K. S. W. CAMPBELL KoA W.GROOK...LIBRARY PERGAMON PRESS OXFORD - LONDON - EDINBURGH - NEW YORK TORONTO - SYDNEY - PARIS - BRAUNSCHWEIG Pergamon...Press Inc., 44-01 21st Street, Long Island City, New York Ontario , Toronto Pergamon of Canada Ltd., 6...Press (Aust.) Pty. Ltd., Rushcutters Bay, Sydney, New South Wales Pergamon Press S.A.R.L., 24 rue des Ecoles |
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