 | | Report (issue) | | Geological Society ?f New Zeala_nd watefully acknowledges the financial assistance of the following companies...companies in the publication of this guidebook. Mobil Oil New Zealand Limited (Mobil Environmental Grant)...Reynolds, Thom and Allardice Ltd BP New Zealand Ltd NZ Steel Ltd ICI New Zealand Limited McCallum Bras Ltd Contents...Formation of Rotorua Basin Later history of Rotorua Basin Geothermal systems Geothermal deposits Rotorua Geothermal...Guides Day one - Wairakei Waiotapu Waimangu Day two - around Lake Rotorua Whakarewarewa Day three - Mt |  | | Report (issue) | | volcanoes.and. Geothermal areas of Rotorua The Geological Society of New Zealand gratefully acknowledges...guidebook. Published by the Geological Society of New Zealand www.gsnz.org.nz 2002 ISBN 0-908678-92-4 ©...Levin Front Cover: Roto a Tamaheke is part of the Ororea group of hot Springs at Whakarewarewa thermal reserve...Title Page: Hot springs bubble up along the course of the stream that flows down Waimangu Valley. Back...intricate patterns on the surface of the mud pool on Loop Road, Waiotapu. Geyserland A guide to the volcanoes |  | | 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...Recentexploration for geothermal and has been mined in four of these localities and one or power,and oceanographic...structureand chem- more of the sulfidesof Hg, Sb, or As are currently istry of activehydrothermalsystemsin...depositedin the very of the world, for examplethe SaltonSea geothermal recent past in all of them. However, |  | | Journal (article/letter/editorial) | | ©2012 Society of Economic Geologists, Inc. Economic Geology, v. 107, pp. 427–457 Hydrologic, Magmatic...Flow, Taupo Volcanic Zone, New Zealand: Implications for the Formation of Epithermal Vein Deposits JULIE...1 School of Environment, University of Auckland, Private Bag 92019, Auckland, New Zealand 2 Hot Solutions...Devonport, Auckland, New Zealand Abstract Geologic controls on development of high-flux hydrothermal...scales for geothermal systems of the Taupo Volcanic Zone, New Zealand. Most geothermal systems occur |  | | Journal (article/letter/editorial) | | North Island, New Zealand J. G. WEBSTER Chemistry Division, D.S.I.R., Petone, New Zealand (Received 10...thermal pools of the Taupo Volcanic Zone and Ngawha, New Zealand, at concentrations of 1.2 (+1.3) :x:...metastable product of sulphide oxidation, thiosulphate is buffered in the presence of elemental S according...concentration of thiosulphate is maintained. As a soft base thiosulphate is capable of complexing several...speciation of Ag in Champagne Pool, for example, indicates a Ag(S2Os)23 activity similar to that of AgCI2 |  | Eppinger, R. G., Fey, D. L., Giles, S. A., Grunsky, E. C., Kelley, K. D., Minsley, B. J., Munk, L., Smith, S. M. (2013) Summary of Exploration Geochemical and Mineralogical Studies at the Giant Pebble Porphyry Cu-Au-Mo Deposit, Alaska: Implications for Exploration Under Cover. Economic Geology, 108 (3) 495-527 doi:10.2113/econgeo.108.3.495 | Journal (article/letter/editorial) | | ©2013 Society of Economic Geologists, Inc. Economic Geology, v. 108, pp. 495–527 Summary of Exploration...Department Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A 0E8 of Geological Sciences...Sciences, University of Alaska, 3211 Providence Drive, Anchorage, Alaska 99508 Abstract Exploration geochemical...surface samples, (2) better understand the processes of metal migration from the deposit to the surface,...assessing concealed mineral resources and/or develop new ones. Surface water (ponds, streams, and springs) |  | | Report (issue) | | STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY SUMMARIES OF DATA ON AND LISTS OF REFERENCES TO METALLIC...NONMETALLIC MINERAL OCCURRENCES IN THE ILIAMNA, LAKE CLARK, LIME HILLS, AND McGRATH QUADRANGLES, ALASKA...occurrences in part of southwestern and west-central Alaska (Cobb, E. H., 1976, Summary of references to mineral...fuels and construction materials) in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska:...76-485, 101 p.). As a result of suggestions from users of the series of which the 1976 report is a part |  | | Journal (article/letter/editorial) | | Californien, West-Nevada und Neu-Seeland. Heit~e CO2-H=O-Lfsungen, die mit diesem Sb-Hg-Ag-Au-System ausstrfmen...over 10% C1 and have chalcophi!e metals in excess of sulphide in solution. Siliceous sinters laden with...and wells in California, western Nevada, and New Zealand. Hot CO2-H20 fluids that exhale from these noble...systems have less than 2 % C1 and sulphide in excess of chalcophile metals. Some geothermal systems around...and Ag-Au concentrations occur around the margin of an Archean felsic stock in the Wawa greenstone belt |  | | Journal (article/letter/editorial) | | BULLETIN OF THE SOCIETY OF ECONOMIC GEOLOGISTS VOL. 108 May NO. 3 The Giant Pebble Cu-Au-Mo Deposit...Deposit and Surrounding Region, Southwest Alaska: Introduction KAREN D. KELLEY,1,†JAMES R. LANG,2 AND ROBERT...southwest of Anchorage and 27 km northwest of the village of Iliamna in Alaska (Fig. 1A). It is one of the...the largest porphyry deposits in terms of contained Cu (Fig. 2A) and it has the largest Au †Corresponding...Corresponding author: e-mail, kdkelley@usgs.gov endowment of any porphyry deposit in the world (Fig. 2B). The |  | | Journal (article/letter/editorial) | | Transport and deposition of metals in the Rotokawa geothermal system, New Zealand R. E. Krupp 1 and T. M...Department of Scientific and Industrial Research, Chemistry Division, Private Bag, Petone, New Zealand Abstract...Adiabatic boiling leads to rapid partial precipitation of argentite from silver chloride complexes while silver...geothermal systems are modern analogues of various types of mineral deposits, foremost being the epithermal...time they take place and thus allow investigation of aspects which are difficult to assess in fossil ore |  | | Journal (article/letter/editorial) | | association of tourmalinite with stratiform scheelite deposits I. R. Plimer University of Newcastle, New South...South Wales, 2308, Australia Abstract. Three types of stratiform scheelite deposits are recognised. They...calc-silicate hosted deposits, took place at the sites of fluid focussing where Po~, Pn2o and pH were high...derives from dissolution of scheelite by chloride solutions resulting in redeposition of scheelite in retrograde...metamorphic assemblages. Since the discovery in 1967 of the Felbertal deposit in Austria, currently now the |  | | Journal (article/letter/editorial) | | Division, D.S.I.R., Private Bag Petone, Lower Hutt, New Zealand and H. STAERK Institut fuer Radiochemie, Technische...products from mud pools of the geothermal areas at Rotokawa and Waimangu, New Zealand, was separated into...sample: concentrations in the extracts are of the order of grams per kilogram for P, Zn and Sb, and 10...biogenic material is able to incorporate high amounts of metals into the organic matrix. While inorganic contributions...solventextractable fractions are shown to be minimal, the presence of inorganic microinclusionsin protokerogen concentrates |  | | Journal (article/letter/editorial) | | during discharge of a spectrum of fluid types under varied conditions. Remnants of most of these products...preserved in some of their less-eroded, extinct equivalents: epithermal deposits of high-sulfidation (HS)...the last of these locally constitutes low-grade, bulk-tonnage orebodies. The dynamic nature of epithermal...leading to either eventual burial or telescoping of shallower over deeper alteration ± precious metal...preservation potential of paleosurface products. Proper identification and interpretation of paleosurface products |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGY' AND BULLETIN OF VOL. 73 THE SOCIETY THE OF ECONOMIC GEOLOGISTS JXNUXl½¾-FFmCUXR¾...fluid inclusion studieshave shown that in a number of depositsthe developmentof the characteristic ore...pattern, at some stage, involved the interaction of meteoric ground waters with saline fluids evolved...copperemplacementwhich focuseson the interaction of a buoyant low-salinity magmatic vapor plume with...buoyantdispersionplume. The potassiccore and inner part of the phyllic alteration envelopeof the porphyry copper |  | | Report (issue) | | .. Data of Geochemistry Sixth Edition Chapter F. Chemical Composition of Subsurface Waters GEOLOGICAL...GEOLOGICAL SURVEY PROFESSIONAL PAPER 440-F Data of Geochemistry Sixth Edition MICHAEL FLEISCHER, Technical...Technical Editor Chapter F. Chemical Composition of Subsurface Waters By DONALD E. WHITE, JOHN D. HEM, and G...PROFESSIONAL PAPER 440-F 1"'abulation ~nd discussion of chemical analyses. many previously unpublished, representing...geologic environ11tents, with descriptions of the sources of the waters UNITED STATES GOVERNMENT PRINTING |  | Zhang, Wenhao, Shi, Xiaoying, Jiang, Ganqing, Tang, Dongjie, Wang, Xinqiang (2015) Mass-occurrence of oncoids at the Cambrian Series 2–Series 3 transition: Implications for microbial resurgence following an Early Cambrian extinction. Gondwana Research, 28 (1) 432-450 doi:10.1016/j.gr.2014.03.015 | Journal (article/letter/editorial) | | GR-01248; No of Pages 19 Gondwana Research xxx (2013) xxx–xxx Contents lists available at ScienceDirect...homepage: www.elsevier.com/locate/gr Mass-occurrence of oncoids at the Cambrian Series 2–Series 3 transition:...Key Laboratory of Biogeology and Environmental Geology, Beijing 100083, China School of Geoscience and...University of Geosciences, Beijing 100083, China Department of Geoscience, University of Nevada, Las...Las Vegas, NV 89154-4010, USA a r t i c l e i n f o Article history: Received 22 October 2013 Received |  | | Journal (article/letter/editorial) | | ©2005 Society of Economic Geologists, Inc. Economic Geology, v. 100, pp. 1473–1483 INTERESTING PAPERS...ECONOMIC GEOLOGY prints partial tables of contents of a number of journals as an information service. Please...to obtain copies of the journals or papers. If you cannot arrange to get copies of interesting papers...2005 Effect of phosphatization on element concentration of cobalt-rich ferromanganese crusts—Pan Jiahua,... Liu Shuqin, and You Guoqin Organic geochemistry of the Early Jurassic oil shale from the Shuanghu area |  | | Report (volume) | | Stratigraphy, Structure, and Economic Geology of the Iliamna Quadrangle, Alaska GEOLOGICAL SURVEY BULLETIN...Geology of the Iliamna Quadrangle, Alaska By ROBERT L. DETTERMAN and BRUCE L. REED GEOLOGY OF THE ILIAMNA...comprehensive study of Mesozoic to Holocene sedimentary, volcanic, and plutonic rocks of the Iliamna quadrangle...OFFICE, WASHINGTON : 1980 UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary GEOLOGICAL...GEOLOGICAL SURVEY H. William Menard, Director Library of Congress Cataloging in Publication Data Detterman |  | | Report (issue) | | Tungsten Mineral profile Mi neralsUK C en t re f o r su st ain ab le m in eral d evelo p m en t January...industrial applications. It has the highest melting point of all non-alloyed metals and is second only to carbon...temperatures above 1650oC and the lowest coefficient of expansion2 of any pure metal. It is remarkable also for...quite pliant and ductile but the inclusion of small amounts of carbon and oxygen give the metal considerable...at 293 K 19300 Melting point 3422 o Boiling point 5555 o Crystal structure Hardness kg/m3 C C |  | | Journal (article/letter/editorial) | | 0016.7O37/8OjOlOl-0095502.00/O Geochim!co er Cosmochlmiro Acfu Vol. 44. pp. 95 to 102 0 Pergamon Press...Press Ltd.1980.Printed in Great Britain Geochemistry of hydrothermal alteration at the Roosevelt Hot Springs...E. DEDOLPH Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, U.S.A...spring deposits in the Roosevelt thermal area consist of opaline sinter and sintercemented alluvium. Alluvium...montmorillonite, and muscovite to a depth of 70 m. Marcasite, pyrite, chlorite, and calcite occur below the |  | | Journal (issue) | | extractive Industries | Did the Earth Move for you? | Gems of the South Downs | Grange Top Quarry; Ketton | Crossword...16:16 Page 1 MAGAZINE OF THE GEOLOGISTS’ A S S O C I AT I O N Vo l u m e 1 4 N o . 1 M a r c h , 2 0 1...26022015.qxp_mag41.qxd 05/03/2015 16:16 Page 2 Magazine of the Geologists’ Association Published by: The Geologists’...and future extractive history of Britain:The rise, fall and resurgence of UK domestic mineral supply: Andrew...Slip: Dr Rebecca Bell Field Meeting: Geological gems of the South Downs - Leader Rory Mortimore; Report by: |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck... ~n~ .,,st e ays o\) L> A f--'t. GOp., ,, Mclcinl ..J ~fJl.NI' ','Vaihe ~o AUCKL , d, • OROMANDEL...J \. Mayor I WodlO(O Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo...ff 1'- ~.,. PORIRU TASMAN ·"'"""'''" MTS S O U T H C;ip Picton \ i WELLIN >iirly B..iy -...Cities ..... NELSON .J hn:-wcll Spit j ' J~O TASMAN 6AY ~ ,oo - 20.000 WHAKATANE Kar-.1. K'mome |  | | Book (volume) | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck... ~n~ .,,st e ays o\) L> A f--'t. GOp., ,, Mclcinl ..J ~fJl.NI' ','Vaihe ~o AUCKL , d, • OROMANDEL...J \. Mayor I WodlO(O Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo...ff 1'- ~.,. PORIRU TASMAN ·"'"""'''" MTS S O U T H C;ip Picton \ i WELLIN >iirly B..iy -...Cities ..... NELSON .J hn:-wcll Spit j ' J~O TASMAN 6AY ~ ,oo - 20.000 WHAKATANE Kar-.1. K'mome |  | | Report (volume) | | Interpretation of Exploration Geochemical Data for the ;Mount Katmai Quadrangle and Adjacent Parts of the Afognak... Interpretation of Exploration Geochemical Data for the Mount Katmai Quadrangle and Adjacent Parts of the Afognak...supporting data for the mineral resource assessment of this Alaska Mineral Resource Assessment Program (AMRAP)...PRINTING OFFICE, WASHINGTON: 1994 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S. GEOLOGICAL... MS 306, Federal Center Denver, CO 80225 Any use of trade, product, or finn names in this publication |  | | Journal (article/letter/editorial) | | for the first time, the close genetic relationship of concordant tourmaline rocks (tourmalinites) to stratabound...Crystalline Complex of the Eastern Alps. The occurrences investigated are located in parts of the Austroalpine...Crystalline Complex consisting of metavolcanoclastic and metacalcareous sequences of probable Lower Paleozoic...Paleozoic age. Tourmalinites composed of tourmaline, quartz, plagioclase, :t: almandine-rich garnet, + muscovite...minor ilmenite, rutile, graphite,- + pyrite and, rarely, scheelite are of pre- to synmetamorphic origin. Tourmalines |
|
