 | | Journal (article/letter/editorial) | | Tectonic Controls on Hydrothermal Flow, Taupo Volcanic Zone, New Zealand: Implications for the Formation of...Auckland, New Zealand 2 Hot Solutions Ltd, PO Box 32-125, Devonport, Auckland, New Zealand Abstract...scales for geothermal systems of the Taupo Volcanic Zone, New Zealand. Most geothermal systems occur within...shearing, caused by low differential stresses. The Taupo Volcanic Zone is highly prospective for epithermal-style...Introduction GEOTHERMAL activity in the central Taupo Volcanic Zone has long been associated with transport |  | | Journal (article/letter/editorial) | | 95-108 Gold-SilverOre-GradePrecipitates from New Zealand Thermal Waters B. G. WEISSBERG Abstract Gold-silverore...areas along the easternmargin of the Taupo Volcanic Zone, New Zealand. They occur as red-orange amorphoussulfideswith...alteration pattern is developedin the countryrockswith adularia, sericite,and quartz in fissurezones;albite, wairakite...hydrothermalalterationprod- and Whakarewarewa,New Zealand (2 ppm Au and uctsfoundin manyepithermal ore...area is exceptionalin and the Hauraki Peninsula,New Zealand) are similar havingas muchas 6% Ag in the scaleoccurringas |  | | Journal (article/letter/editorial) | | University of Auckland, Private Bag, 92019, Auckland, New Zealand Abstract The Broadlands-Ohaaki geothermal system...epithermal environment. Quartz, illite, K feldspar (adularia), albite, chlorite, calcite, and pyrite are the...mineral zonation, which is the focus of this paper. New data are presented on the occurrence and abundance...side of the Taupo Volcanic Zone, is 1 of about 20 known hydrothermal systems in the region (Fig. 1). These...been drilled (Fig. 1). The A B M7 White Island Taupo Volcanic Zone 12 ikat Wa 5 24 34(M2,4) BROADLANDS/ |  | | Journal (article/letter/editorial) | | forming at the Wairakei geothermal power plant in New Zealand are composed of noncrystalline opal-A that deposited...formed at the Wairakei geothermal power plant in New Zealand using a combination of optical microscopy and...from the Wairakei Geothermal Power Plant in New Zealand 2.1. Geological Background The Wairakei geothermal...located 8 km north of Taupo in the Taupo Volcanic Zone of North Island, New Zealand (Figure 1a). Exploration...beneath Wairakei [29]. Active extension in the Taupo Volcanic Zone (2–8 mm/year) and related fault activation |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...Silicification, quartz-adulariaillite Quartz, chalcedony, adularia Sulfide abundance Sulfidation-state indicators...Quartz, calcite, manganoan carbonates, rhodonite, adularia Moderate (5–30 vol.%) Tetrahedrite, chalcopyrite...neutral-pH, alkali chloride waters along streams and on lake margins and bottoms, although shallow boiling also...level of Frying Pan Lake (6-m deep, pH 3.5, 55 °C), Waimangu geothermal system, Taupo Volcanic Zone, North |  | | Journal (article/letter/editorial) | | JANUARY-FEBRUARY,1953 ROCK ALTERATION NEW A. NO. 1 AT WAIRAKEI, ZEALAND. STEINER. CONTENTS. PAGE Abstract.................... Replacementof plagiocIaseby adularia ................................ 6 7 9 10 1...milesin a north-north-easterly directionfrom Lake Taupo. 2 •1. STEINER. Thegeology ofthisregion wasdescribed...confusedwith the more intenseand widespreadformationof adularia described in thefollowing section onfeldspathization...characterized by the presence of a secondarypotashfeldspar,adularia (Fig. 2). This feldspar,commonlycontainingwispsof |  | Chambefort, I., Lewis, B., Simpson, M. P., Bignall, G., Rae, A. J., Ganefianto, N. (2017) Ngatamariki Geothermal System: Magmatic to Epithermal Transition in the Taupo Volcanic Zone, New Zealand. Economic Geology, 112 (2) 319-346 doi:10.2113/econgeo.112.2.319 | Journal (article/letter/editorial) | | Magmatic to Epithermal Transition in the Taupo Volcanic Zone, New Zealand I. Chambefort,1,† B. Lewis,1 M. P...2000, Taupo 3352, New Zealand 2 Mighty River Power Limited, PO Box 245, Rotorua 3040, New Zealand Abstract...(>225°C) geothermal systems in the Taupo Volcanic Zone, North Island, New Zealand. At shallow levels (<2 km)...hydrothermal alteration found nowhere else in the Taupo Volcanic Zone. Two separate phases of hydrothermal...Geothermal systems such as those of the Taupo Volcanic Zone, New Zealand, are responsible for the transfer |  | | 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) | | redistribution of Li, B and Cl in the Taupo Volcanic Zone, New Zealand A.G. Reyes a,⁎, W.J. Trompetter b...Hutt, New Zealand GNS-Science, National Isotope Centre, 30 Gracefield Road, Lower Hutt, New Zealand a r...Hydrothermal water–rock interaction Taupo Volcanic Zone New Zealand a b s t r a c t Lithium, B and Cl...underlying high temperature hydrothermal systems in the Taupo Volcanic Zone (TVZ). The fluid mobility of Li decreases...been evaluated using B/Li and B/Cl ratios. In the Taupo Volcanic Zone (TVZ), Cl fluxes are used to estimate |  | | Book | | Location No. Luh ComVW 1. © “~~ — e PROCKE: NEW“ZEASARDIMBEBTING: a +Brice: COMRONW BAT. Te Man NG...Weillligion fest: April 1°55 VOLUME PROCEEDINGS NEW ZEALAND EIGHTH OF MEETING COMMONWEALTH MINING AND...Dunedin New Zealand VI1I1 Copyright by the University of Otago and the Contributors Printed in New Zealand...EIGHTH COMMONWEALTH METALLURGICAL NEW Dr G, J. Williams ZEALAND MINING AND CONGRESS ORGANISING...visitors attended the Wellington sessions in New Zealand and the rest came from more distant countries |  | | Book | | Structures of High-Purity Quartz from the Southern Ural Region, Russia Reprinted from: Minerals 2017, 7, 189,...However, modern analytical methods brought a lot of new mineralogical and geochemical data concerning the...methods is illustrated by two contributions providing new data concerning thermogravimetry-massspectrometry...Analytics; Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London...Structures of High-Purity Quartz from the Southern Ural Region, Russia. Minerals 2017, 7, 189. [CrossRef] Lin |  | | Book | | Structures of High-Purity Quartz from the Southern Ural Region, Russia Reprinted from: Minerals 2017, 7, 189,...However, modern analytical methods brought a lot of new mineralogical and geochemical data concerning the...methods is illustrated by two contributions providing new data concerning thermogravimetry-massspectrometry...Analytics; Springer Geology: Heidelberg, Germany; New York, NY, USA; Dordrecht, The Netherlands; London...Structures of High-Purity Quartz from the Southern Ural Region, Russia. Minerals 2017, 7, 189. [CrossRef] Lin |  | | Book | | Palmerston North, New Zealand JEROM LECONTRE Massey University, Palmerston North, New Zealand GERT LUBE Massey...Massey University, Palmerston North, New Zealand MURRAY M. MCCLINTOCK Otago University and Volcanic...Limited, Dunedin, New Zealand BOB STEWART Massey University, Palmerston North, New Zealand JAMES D. L. WHITE...WHITE Otago University, Dunedin, New Zealand Technikal editor: OLGA PIROS, DEZSŐ SIMONYI DTP: DEZSŐ...volcano in the Central North Island of New Zealand. Tama maar lake is in the foreground. Back page of cover: |  | | 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 . . . . . . . . . . . . . . . . . . . . ....3.3 Hauraki Goldfield, Coromandel Peninsula, New Zealand 5.3.4 The Epithermal Systems of the Biga Peninsula |  | | Catalog/List | | PEBBLE PEDDLER 100 NORTH LAKE PARK BOTTINEAU, NORTH DAKOTA 58318 Phone: (701)263-4948 FAX: (701)263-4544...we have been busy, and we have a ton (or more) of new material for your viewing pleasure. Winter here was...spring catalog. Once again we have a wide variety of new material, and our prices are as low or lower than...00 each AURICHALCITE - 79 MINE: 79 Mine, Banner District, Gila County, Arizona: Delicate radiating acicular... AZURITE - MORENCI MINE Morenci Mine, Clifton-Morenci District, Greenlee County, Arizona: Excellent specimens |  | | Book | | years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International...evaluating proposed new species, it is difficult to apply them rigidly to accepted species. 1. A new zeolite mineral...must be demonstrated as a condition for approval of new species. Zeolites that have the same framework and...structure are acceptable as separate species. 2. A new zeolite mineral cannot be defined solely on the basis | | | Book | | years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International...evaluating proposed new species, it is difficult to apply them rigidly to accepted species. 1. A new zeolite mineral...must be demonstrated as a condition for approval of new species. Zeolites that have the same framework and...structure are acceptable as separate species. 2. A new zeolite mineral cannot be defined solely on the basis |  | | Report (issue) | | authors also consider the mineral deposits of the region, indicating their spatial and temporal association...quite clearly that southern México is a complex region with a stratigraphic record that begins in the...Middle America and the Gulf of Mexico-Caribbean Sea region during Mesozoic time: Geological Society of America...Department of Geology and Geophysics, Yale University, New Haven, Connecticut 06520-8109, USA ABSTRACT The...10 300 × 60 Taupo Volcanic Zone 1.6–0 ~9.4–13 Wilson et al. (1995); Houghton (New Zealand) et al. (1995) |  | | Book | | M P A N Y 1982 A M S T E R D A M - O X F O R D - NEW Y O R K St. John's, ELSEVIER SCIENCE PUBLISHERS...coupled however with a slackening in the rate of new major advances in synthesis and understanding. Thus...Iceland, India, Nepal, Malaysia, Australia, New Zealand and Japan, and especially the stimulus afforded...that analysis is frequently required. A proposed new overall nomenclature of amphiboles (Leake, 1978)...surface within a narrow fissure, often initiating a new fissure with successive eruptions. Since basalt lava |  | | Book (edition) | | Houghton Institute of Geology and Nuclear Science, New Zealand Stephen R. McNutt Alaska Volcano Observatory...and Technology Company San Diego San Francisco New York Boston London Sydney Toronto Academic...Earth Observatory Palisades, New York, USA Melting the Mantle JAYNE AUBELE New Mexico Museum of Natural History...History and Science Albuquerque, New Mexico, USA Volcanism on Venus PETER J. BAXTER Cambridge University...Lakes RUSSELL BLONG Macquarie University North Ryde, New South Wales, Australia Volcanic Hazards and Risk |  | | Book (edition) | | Force reviewed the new terms in this edition of the Thesaurus, suggested additional new terms, and made...approximately 15,000 terms, more than 1,000 of which are new. These terms include geographic place names, systematic...National Standards Institute, 1430 Broadway, New York, NY 10018. 2Edited by G.N. Rassam and Sharon...Thesaurus has been the addition of more than 1,000 new terms. All terms that had been used more than 10...candidate terms; most of these were added. Other new terms were suggested by the GeoRef Advisory Committee’s |  | | Book | | FOUNDATION ~ ~ VAN NOSTRAND REINHOLD _ _ _ _ _ _ _ New York Copyright © 1987 by Van Nostrand Reinhold...Fifth Avenue New York, New York 10003 Van Nostrand Reinhold International Company Limited II New Fetter Lane...Solutions: Veindikes / 205 The Ore Magmas. McGraw-Hill, New York, 1923, pp. 1-3 9-lB SPURR,J.E.:TheOriginofFissureVeins...:TheOriginofFissureVeins / 207 The Ore Magmas. McGraw-Hill, New York, 1923, pp. 707-709 9-2 FARM IN, R.: Host-Rock...Rocks / 235 Gold Deposits o/the World, McGraw-Hill, New York, 1937, pp. 12-37 10-2 MOORE, E. S.: Genetic |  | | Book | | major producing districts, or a representative district if there are many. We name the chief mining companies...graphite supply must come not merely from one district but from a single mine. Thus the physical properties...resin and maximizes dispersion. 3. Development of new applications. The market for fillers in rubber, paper...(Mann, 1983). nia; the USSR; the Italian Alps; New South Wales, Austral- ia; Cyprus). (2) Stratiform...from the Baie Verte district of Newfoundland though the Thetford Mines, Black Lake, and Asbestos districts |  | | Book (edition) | | students. In order to save space for the inclusion of new material, we have omitted some of the crystallographic...and geology is recognized by the inclusion of a new chapter on the geological setting of igneous activity...convinced us that despite the natural attraction that new and changing theories hold for students, the fundamental...rocks, in order to make it con1patible with the new proposals. These matters and others, particularly...are discussed fully in an enlarged and virtually new chapter on classification. It is a pleasure to record | | | Book (edition) | | PRESS A Division of Macmillan Publishing Co., Inc New York © George Allen & Unwin Ltd, 1961, 1973 Thirteenth...Macmillan Publishing Co., Inc. 866 Third Avenue, New York, N.Y. 10022 Library of Congress Catalog Card...students. In order to save space for the inclusion of new material, we have omitted some of the crystallographic...and geology is recognized by the inclusion of a new chapter on the geological setting of igneous activity...convinced us that despite the natural attraction that new and changing theories hold for students, the fundamental |
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