 | | Journal (article/letter/editorial) | | Springer-Verlag 1974 Great Barrier Island Silver-Gold Deposits, Hauraki Province, New Zealand W. R. H. RaMsaY...W., Australia H. W. KOB~ Auckland, N e w Zealand The Great Barrier Island subvolcanic silver-gold deposits...pyrite is the most common and finely disseminated pyrargyrite constitutes the main source of silver. The mineral...silver-gold deposits occur in south-central Great Barrier Island and comprise the northern extension of Hauraki...Province, which constitutes N e w Zealand's major region of noble metal production (Fig. 1). The province |  | 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...University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand ROBERT L. BRATHWAITE...BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY L. MAUK, AND STUART F. SIMMONS School...University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Epithermal...Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag |  | | 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 (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 |  | | Report (chapter) | | Andes, the western U.S.A., Japan, the North Island of New Zealand, the Philippines, Fiji and Spain are described...suite and in F i j i b y a basaltic suite o f ocean-island affinity. Nevertheless, metallic mineralization...vein deposit of epithermal type, about which much new information has recently become available. The term...predominate over those of silver. Altiplano-Puna region, Peru-Bolivia-Chile-Argentina = " ~trt" ~ -I...(personal observations, 1972). At Carangas, pyrargyrite, tennantite, sphalerite and galena, with barite |  | | Journal (article/letter/editorial) | | selenide-bearing stageis usually skoye, Kunashir (Kuril)Island(Soet al.,1995).Thesedeposbetweenanearlyoxidestageanda...1993), Great Barrier Island, New canbe achieved by eitherincreasing the totalconcentration Zealand(Ramsay...theJfo• xvasbuffered sulfosalts (e.g.,proustire, pyrargyrite, andpolybasite). This ' z(g! at the hematite-magnetite...conditions apply to the Great environments BarrierIslanddeposit,Ne•v Zealand,•vherethe selenide anda...SleepermineandComstock Lode,Nevada;5 = Camoola Reef (?), New' Zealand. mineralsare usuallymissin• su•estin• that |  | | Report (volume) | | Vein and disseminated gold-silver deposits of the Great Basin through space and time, by 5 Donald E. White�...Tertiary epithermal 55 precious-metal deposits in the Great Basin, by Miles L. Silberman� Characteristics of...bulk-minable gold-silver deposits in Cordilleran and island-arc 71 settings, by Harold F. Bonham, Jr.� Summary... showing distribution of volcanic rocks in the Great Basin and surrounding regions that are: 43. 34 to...of ore deposits dated by the K-Ar method in the Great Basin� 67 48. Histograms showing dates of formation |  | | Book | | Pennsylvania 16802 P E R G A M O N PRESS OXFORD SYDNEY · NEW YORK · PARIS · · TORONTO FRANKFURT Ï…. κ. ...Press Inc., Maxwell House, Fairview Park, Elmsford, New Y o r k 10523, U.S.A. CANADA Pergamon of Canada...Congress Catalog Card N o . 75-34663 Printed in Great Britain by A. Wheaton & Co., Exeter 0 08 020459...to explain my ideas about it, but he must do a great deal more than simply read these notes. In the Introduction...Australasia, by Australia, Tasmania, New Zealand, New Caledonia, Papua-New Guinea (speci fically Bougainville) |  | | 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.... 5.3.2 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.... . . 5.3.7 Epithermal Systems in the Northern Great Basin, USA. 5.3.8 The Oldest Epithermal Systems |  | | Report (issue) | | were being used by society. Today, discovery of new uses for an increasing number of elements is enabling...systems have all been possible through the use of new mineral materials. As the importance and dependence...production for the period 2006–10, by country or region and amount.......................................ferroÂmanganese nodules on the seabed off Johnston Island within the United States Exclusive Economic Zone.......N16 Geologic map and cross sections of the Great Dyke, Zimbabwe................................. |
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