 | | 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) | | 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 |  | 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...the goldfield. The deposits consist of quartz ± calcite vein systems, 0.5 to 4.5 km long, within alteration |  | | 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 |  | | 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 "8•80-shift"of about2.5 per mil. Their isotopiccomThe |  | | Report (chapter) | | the western U.S.A., Japan, the North Island of New Zealand, the Philippines, Fiji and Spain are described...vein deposit of epithermal type, about which much new information has recently become available. The term... accompanied by varying quantities of pyrite, calcite, dolomite, barite, adularia, rhodochrosite, rhodonite...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic...carbonatization fringing the veins. At Tayoltita, San Dimas district (Fig. 1), volcanic rocks and an intercalated conglomerate |  | | Report (issue) | | = 13.560(3) X-ray Powder Pattern: Wairakei, New Zealand. 3.39 (10), 5.57 (8), 3.42 (6), 2.909 (5), 6...8.29 100.12 100.00 (1) Wairakei, New Zealand. (2) Seigoshi mine, Japan; by AA, gravimetry, and TGA...prehnite, calcite, aragonite, quartz. Distribution: Some of the known localities follow. In New Zealand, on...north-northeast of Lake Taupo, and in the Tui mine, Te Aroha, Auckland. In the USA, from The Geysers,...British Columbia, Canada. In Japan, in the Seikoshi mine, Toi, and at Kawazu, Shizuoka Prefecture; from Koriyama |  | | 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...and 1 calcite sample from epithermal veins in the Hauraki Goldfield, New Zealand, and 1 calcite drill-cuttingsample...inclusions in quartz and calcite from epithermal veins of the Hauraki Goldfield, New Zealand, an at- © 1989 Elsevier...KARANGAHAKE~ \Waitekauri TE AROHA=XToi ~ ' ~ Waiorongomai 0 , , ,, 25krn ~A~ , TAUR~A X • TE PUKE Fig. 1. Location |  | | Report (issue) | | The steel industry, now being established at Waikato Heads, 30 miles south of Auckland, will use a raw...MINERALS AND ROCKS 1966 INFORMATION SERIES-No.63 NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH...R. E. Owen, Government Printer, Wellington, New Zealand—1967 —— FOREWORD One of the problems associated...reason of their impact on the development of New Zealand natural resources. With the establishment of...results readily available to a wide and perhaps new audience has become very rapidly apparent. I The |  | | Journal (article/letter/editorial) | | formation. We present new isotope data of carbonate-hosted ores from the Iglesiente district (Sardinia, Italy)...the silicate-hosted ores of the Broken Hill district, New South Wales (Australia) and Freihung (Germany)...between smithsonite, phosgenite, hydrozincite and calcite is less than about 2‰, while cerussites are strongly...present a new set of isotope data from a variety of nonsulfide Zn–Pb deposits (Iglesiente district — Sardinia...Sardinia, Broken Hill — New South Wales, Vila Ruiva — Portugal, Freihung — Bavaria) and from slag minerals |  | | 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 (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) | | 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...data provides an outstanding case study of the district- to regional-scale geophysical characteristics...Okada, 1995; Hoschke and Sexton, 2005). At the district scale, detailed aeromagnetic data can delineate |  | | Journal (article/letter/editorial) | | depositionof barren calcite. Oxygenand carbonisotopecompositions were determinedfor quartz and calcite from the...parentheses): Vein Miueral Kushikino1 Quartz Calcite Quartz Calcite Arakawa4 b'SOss,ow (%0) 5.5 2.3 8.4 5...calcitehashigherb•80valuesthandoesthe stageII calcite. The widerangein the •180 valuesof the stageII...temperaturedecreaseand a changein the carbonspeciesof the fluid. Calcite crystallized in equilibriumwith a fluid in whi...were not so important in stage II. The quartz-calcite depositionand Au-Ag mineralizationin StageII may |  | | Journal (article/letter/editorial) | | Institute of Nuclear Sciences, D.S.I.R., Lower Hutt, New Zealand (Received 8 June 1976; accepted in revised form...at temperatures less than 150°C. At the Tui Mine, New Zealand, the bar&-water geothermometer indicates...in this paper. O’NEIL er (II. (1975) recommend a new value of 1.0412, and some workers suggest even higher...26 BRIAN W. ROBINSON in natural systems. If a new calibration curve is being used as a geothermometer...salinity from low (e.g. Broadlands geothermai area, New Zealand) to very high (e.g. many ore fluids). Therefore |  | | 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...Alterationmineralsare dominatedby clay,quartz,adularia,calcite,and pyrite. Hydrothermalclaysshowa distinctzonationwith...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...veins and is associated with veinlets of quartz + calcite + pyrite ± adularia ± illite. This zone is enveloped...enveloped by an illite-quartz-adularia-chlorite-calcite-pyrite alteration zone, which grades out through...interlayered illite-smectite into a smectite-chlorite-calcite alteration zone in the least altered andesites |  | | 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) | | formation depth (Petrovskaya, 1965). In the 1980s–1990s, new approaches to interpret ing the sulfur isotope ratio...authors, silver deposits in the western Verkhoyansk region (Prognoz, Upper Men kechen, Mangazeya) can be...of ore for Russia’s silver industry. Discovery of new promising objects are required. Therefore, geological...helpful for developing the mineral resources of this region. EXPLORATION HISTORY The Mangazeya deposit is located...km south of Yakutsk in the western Verkhoyansk region. Silver has been mined primitively from a few separate |  | 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) | | orpiment (As–Sb-sulfide stage), iii) dolomite – calcite – dawsonite – aragonite – barite – gypsum (carbonate–sulfate...(stade des sulfures de As– Sb), iii) dolomite – calcite – dawsonite – aragonite – barite – gypse (stade...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 |  | | Journal (article/letter/editorial) | | Copper Mine, Rhodesia* R. H. Thole Salisbury, Rhodesia B. W. Robinson Wellington, New Zealand The Shamrocke...near hot spring vents. INTRODUCTION The Shamrocke mine, at Karoi, Rhodesia, is one of several producing...deposits, measured ten samples from the Mangula copper mine of the Deweras Group and five from the Chipinga... H. Thole and W. Robinson: Shamrocke Copper Mine Isotopes 299 LEGEND Younger Sediments ~ PiriwiriGroup...analyses were made by one of us (B. W. R. ) ~t the New Zealand Institute of Nuclear Sciences. Argon-40/argon-39 |  | | Journal (article/letter/editorial) | | 0016-7037/87/53.00 + .Jo Mercury ores from. the New Idria Mining District, California: Geochemical and stable isotope...1987) Abstract-The mercury ores of the New Idria Mining District are composed of metacinnabar and cinnabar...Metacinnabar from the main ore zone at the New Idria Mine contains Fe as a major impurity (0.96 to 2...sulfur are involved. INTRODUCTION THE NEW IDRIA MINING DISTRICT is located in the southern part of the...western Fresno County. The geology of the New Idria Mining District was studied extensively by ECKEL and MEYERS |  | Navarro-Ciurana, Dídac, Campos-Quispe, Luis Alberto, Cardellach, Esteve, Vindel, Elena, Gómez-Gras, David, Griera, Albert, Corbella, Mercè (2016) Mineralogical and geochemical characterization of the Riópar non-sulfide Zn-(Fe-Pb) deposits (Prebetic Zone, SE Spain) Ore Geology Reviews, 79. 515-532 doi:10.1016/j.oregeorev.2016.05.023 | Journal (article/letter/editorial) | | fine botryoidal crystals found infill porosity. Calcite and thin gypsum encrustations were also recognized...“calamine”, which is a convenient field term used by mine geologists to designate a mixture of Zn minerals...resource of mixed oxide and sulfide at Resurrección mine was 30,000 t at 6.7% Zn (Grandia et al., 2003b)...and Paleogene sediments. The sedimentation of the region during the Mesozoic and Cenozoic was controlled...Zn–Pb deposits and occurrences (Fig. 1) made this region of economic importance for the extraction of base |  | | Journal (article/letter/editorial) | | fnstituuk of Abhor Sciences, DSIR, Lower Hutt (New Zealand) Q@ob@ &partment, Kuwait University, Box 5969...of a getch layer: a duricrust of gypsum and/or calcite within the desert sands. Underlying Kuwait Group...stable-isotope analyses of the samples were performed in New Zealand. 2. Geology and geohydrology The geological...The desert sands host a duricrust of gypsum or calcite locally known as getch. Caliche and gypcrete are...and Cox, M.A., 1981. Environmental isotopes in New Zealand hydrology, 2. Standards, measurement techniques |  | | Journal (article/letter/editorial) | | regarded as " the chief secondary rock " of the district. He further mentioned that the Island of Penang...immediately under the Oolitic beds, and would be therefore New Red Sandstone." The discovery of a bituminous coal...between 1847 and 1851 on the geology of the Malay region, dealing more particularly with that division of...presence of three groups of rocks in the Perak district of the Malay Peninsula : (a) the eruptive series...date, an account of the geology of the River Tui District, situated in the Pahang division of the Malay |
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