 | | 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 |  | 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,† 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...production was from deposits hosted in Miocene andesite and dacite of the Coromandel Group, although this |  | | Journal (article/letter/editorial) | | The Originof Mineralization at the Tui Mine, Te Aroha, New Zealand,in the Light of StableIsotopeStudies*...StableIsotopeStudies* BRIAN W. ROBINSON Abstract The Tui mine lies within the old Hauraki gold field of the CoromandelPeninsula...andesiteswhich overlie Mesozoicgraywackes. The Tui mine paragenesisis divided into four stages: (1) pyrite...Present-day hot spring activity occurs at Te Aroha near to the Tui mine. The thermal water shows an oxygen isotope...derivedfrom the graywackes. Introduction TI•E Tui mine is situated within ton. In addition,the ChampionN |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J...Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey...Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has been |  | | Report (chapter) | | the western U.S.A., Japan, the North Island of New Zealand, the Philippines, Fiji and Spain are described...ite in the tops of Jurassic to early Tertiary andesite flows and felsic ash-flow ruffs, and in associated...vein deposit of epithermal type, about which much new information has recently become available. The term...commonly emplaced in volcanic sequences ranging from andesite to rhyolite in composition, and mid- to late Caenozoic...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic |  | | Journal (article/letter/editorial) | | Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,†,* CORINNE A. LOCKE, JOHN...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Aeromagnetic, airborne radiometric...Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked, 50-gravity unit...beneath the near-surface, low-density altered andesite, has a volume of up to ~11 km3 and a minimum density...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...by a propylitic assemblage in the least altered andesite, with argillic assemblages and silicification...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 |  | | Journal (issue) | | Minerals of the Tui Mine, New Zealand......................26 by R. L. Ansin Graemite: A New Bisbee M in.........................................35 What’s New in Minerals?.......................................ANNOUNCES Lazume Yukon Territory Canada IMPORTANT NEW DISCOVERY Investment Opportunity Dealer Inquiries...association and local involvement; and of enlisting new members. It could also relieve national FM from much...of activity and interest. One especially active region reports many requests from individuals associated |  | | 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 • TE PUKE Fig. 1. Location |  | | Report (issue) | | ______________________________________________ 7 Basaltic andesite _____________________________________ 8 Potassium-argon...domes______________________ _ D8 Altered basaltic andesite _____________ ______________ 10 Interpretation...____________________________ 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...probably started before extrusion of the basaltic andesite of Steamboat Springs. Old sinter from the Steamboat |  | | Journal (article/letter/editorial) | | Gold-Silver-Base Metal Sulfide-Quartz Vein System, New Zealand: Temperature and Salinity Controls on Electrum... P.O. Box 31312, Lower Hutt, New Zealand Abstract The large, andesite-hosted quartz vein system at Waihi...associated Hauraki goldfield in the North Island of New Zealand (Fig. 1). At Waihi, an extensive quartz vein...(1924). Recent exploration and mining have provided new data and sample material for geological and geochemical...intrusives Waihi N Karangahake Karangahak e Tui Tui Jurassic graywacke Epithermal Au-Ag deposits |  | | Journal (article/letter/editorial) | | Kushikinominingarea, southwestJapan,where pyroxene andesite lavas and pyroclasticrocks of these two mineralsare...northwestof the Kushikino chemicalparametersof fluid. mine (Izawa et al., 1981). The vein systemsformedin closeconnectionwith...diorite porphyry ;,• Welded tuff --Pleistocene I• Andesite 1(3v(3 endpyro-/•/ Veins clostic rocksPliocene...Providencia,Mexico (Rye, 1966), and the Tui mine, New Zealand (Ro- onthe8•3Coxygenand carbonisotopereservoirs...fluid. However,the fluid inclusiondata (Izawa et mine is located, and decreasewestward. This •S•sO al |  | | Journal (article/letter/editorial) | | GoldenCrossEpithermalGold-SilverDeposit,Waihi, New Zealand CORNELE. J. DE RONDE* Geology DepartmentUniversity...NewZealandGeologicalSur•etd, 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...previouslybeendescribedfromepithermal depositsin New Zealandandpossiblycontainorganicliquid(s). Oxygenisotopesof...the Golden the important Hauraki epithermal district of New Crosshydrothermal system.Variationsin the sysZealand |  | | Journal (article/letter/editorial) | | Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,† CHRIS M. HALL,2 JOHN T....92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...extensional settings in an arc that was erupting bimodal andesite-rhyolite compositions. Therefore, even though...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 |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific |  | | Book (volume) | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific |  | Ferrini, V., Martarelli, L., De Vito, C., Cina, A., Deda, T. (2003) THE KOMAN DAWSONITE AND REALGAR ORPIMENT DEPOSIT, NORTHERN ALBANIA: INFERENCES ON PROCESSES OF FORMATION. The Canadian Mineralogist, 41 (2) 413-427 doi:10.2113/gscanmin.41.2.413 | Journal (article/letter/editorial) | | mineralized area, volcanic rocks (mainly dacite–andesite) also are exposed; these rocks occur as olistoliths...Als¸ar deposit (Jankovic et al. 1997) in the Kozuf district (former Yugoslav Re- 5/2/03, 15:16 THE KOMAN...415 FIG. 1. Geological sketch-map of the Koman region. Krasta–Cukal zone: 1) Xhan Flysch (Upper Cretaceous...Hg, barite and Pb–Zn–Ba were found in the Cukal region, and at Qerret and Levrushku, further south (Hoxha...Alşar As–Sb–Tl–Au epithermal deposit in the Kozuf district, and the Trepča deposit, the most important polymetallic |  | | Book (edition) | | Agate (Clent Hills). Topaz (Pegasus Bay). NEW ZEALAND MINERALS and GEMS by W. M. CAMPBELL, M.A.,...upon these sculptured features of a planet's face ? New Zealand's grainfields, whence come our daily bread...amethyst, opal, carnelian and cinnabar are but a few of New Zealand’s precious pebbles. If of an even content...Upheaved above wide ocean from deep undercrust. New Zealand is a contorted, broken land of varied mineral...titanium, “the metal of the future” with which New Zealand could supply all Europe— why, if this land ever |  | 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,† 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 |  | Mottl, Michael J., Seewald, Jeffrey S., Wheat, C. Geoffrey, Tivey, Margaret K., Michael, Peter J., Proskurowski, Giora, McCollom, Thomas M., Reeves, Eoghan, Sharkey, Jessica, You, C.-F., Chan, L.-H., Pichler, Thomas (2011) Chemistry of hot springs along the Eastern Lau Spreading Center. Geochimica et Cosmochimica Acta, 75 (4) 1013-1038 doi:10.1016/j.gca.2010.12.008 | Journal (article/letter/editorial) | | the composition of vent waters, and thus provide new insights into the processes that control the chemistry...Melville in April–May, 2005, located a fifth new vent field, Tui Malila, and visited all five as well as the...along the northern ELSC, to arc-like basaltic andesite, andesite, and rhyodacite with Pacific-type isotopic...large open conduits. Farther south, the ABE and Tui Malila vent fields are hosted in terrain that exhibits...near the latitude of the Tui Malila vent field indicates rocks of basaltic andesite composition (Fouquet et |  | | Journal (article/letter/editorial) | | Environmentof Ore Depositionin the CreedeMining District, San Juan Mountains,Colorado'I. Geologic, Hydrologic...AND GORDON P. EATON Abstract The Creede mining district in the central San Juan Mountains of southwestern...suggestthat a local stock was emplacedbeneath the Creede district in earliest Miocene time, about 24.6 m.y. ago...studiesby Edwin Roedderandlight- TaE Creedemining district,in the central San Juan Mountains of southwesternColorado...detailedgeologyof the district was first dethe results of these and future district studies will be scribedby |  | | Journal (article/letter/editorial) | | with interbedded schist " in the Sungei Siput District (Sheet 2 N/l), and Ingham (1938) has distinguished...around 284 /. A. Richardson— the Selensing Gold Mine and in the Serau and Satak valleys. It reflects...the basal divisions of the Permocarboniferous. Andesite-rhyolite tuffs of coarser grain and generally...middle divisions ; coarse grained, highly chloritic andesite tuffs, agglomerates, and breccias occur a little... PERMOCARBONIFEROUS UPPER (East) Chloritic andesite tuffs and agglomerates of the Kechau and Ulu Tanum |  | | Journal (article/letter/editorial) | | steepdips (usuallymore than 80ø). In the Emperor mine area, the majority of the steeplodesare associated...1967a andb). Many of them lie The host rocksin the mine area are mainly nearwithin a narroweast-westzone...The fresholivinebasaltis greenishgray, massive, Mine Geology andmarkedlyporphyritic,with phenocrysts...plagioclase, andolivineup to 5 mmin diameter.The mine (Figs.3 and4) havebeendescribedin detailby groundmass... Three major fracturezoneshavebeen mappedin the mine workings,namely,the Shattershearzone, the HangingWall |  | | Journal (article/letter/editorial) | | Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSON† 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...than 200 metric tons (t) of gold (e.g., Martha, New Zealand; Hishikari, Japan; Acupan, Philippines; Comstock... Mexico: Conrad et al., 1992; Golden Cross, New Zealand: Simpson et al., 2001; Comstock, Nevada: Hudson |  | | Report (chapter) | | service click here to receive free e-mail alerts when new articles cite this article Permission request click...subduction beneath the arc, less certain is whether the new crust is invariably created at a spreading ridge...modern island arcs, such as the Philippines, New Zealand and Japan. Another possible example is the cinnabar...cinnabar ore at Pinchi-Lake mercury mine in western Canada, which forms veins in dolomitic rocks and carbonated...volcanoes. Sulphur deposits at Vanua Lava in the New Hebrides 22 and at various localities within the |
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