 | 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) | | Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,†GNS Science...Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology and...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...the Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million |  | | 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) | | field, Coromandel, New Zealand A. P. W. Hodder Department of Earth Sciences, University of Waikato, Hamilton...Hamilton New Zealand Abstract. The volcanic rocks of the Coromandel Peninsula, N o r t h Island, New Zealand...distribution of high- chloride hot springs in the region is consistent with this notion. Recent discovery...Taupo volcanic zone suggests, by analogy, that Coromandel gold may have been similarly transported. If...of hot springs. On this basis the northernmost Coromandel would appear to be even more highly mineralized |  | | 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) | | 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...85721 Abstract The Hauraki goldfield in the Coromandel volcanic zone contains approximately 50 adularia-sericite...the likely age of mineralization in the nearby Thames epithermal deposits. In the eastern province, adularia...bimodal andesite-rhyolite compositions. Therefore, even though volcanism in the Coromandel volcanic zone |  | | Journal (article/letter/editorial) | | A VISIT TO THE NEW ZEALAND VOLCANIC ZONE. 183 X X V I . — A Visit to the New Zealand Volcanic Zone....covered with marks of hoar antiquity, a visit to a region where volcanic action is still rife is a profoundly...long ago been smoothed away by denudation. In the Thames Valley this very phenomenon, which will again be...later Tertiary or the Pliocene period the whole district was a seat of intense eruptive energy. From the...EDINBURGH GEOLOGICAL SOCIETY. land district by the Firth of Thames and the Hauraki Gulf (see Map, Plate |  | | Journal (article/letter/editorial) | | the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey L. Mauk & Stuart D...only producing rhyolite-hosted epithermal deposit in the Hauraki Goldfield of New Zealand. The opaque minerals...92019, Auckland Mail Centre, Auckland 1142, New Zealand e-mail: J.Mauk@auckland.ac.nz S. D. C. Rabone...Gold Co, PO Box 99 732, Newmarket, Auckland, New Zealand on identification of other supergene minerals...in provinces that are characterized by bimodal rhyolite–andesite volcanism, but in other epithermal provinces |  | | 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) | | Gold-Silver Deposits of the Hauraki Goldfield, New Zealand: An Introduction DAVID A. JOHN†U.S. Geological...Hauraki goldfield on the Coromandel peninsula of the North Island of New Zealand (Fig. 1). The Hauraki goldfield...9 Ma) Coromandel volcanic zone (Skinner, 1986). Placer gold was first discovered near Coromandel township...Prospecting elsewhere on the Coromandel peninsula resulted in the opening of mines at Thames in 1865, Karangahake...past producers were the Thames, Golden Cross, and Karangahake mines. The Coromandel peninsula is composed |  | | Journal (article/letter/editorial) | | 2015 CAPT. F. W. HUTTON ON THE GEOLOGY OF NEW ZEALAND~ 191 23. SX~TC~ of the GzonoGY of N~,w Z~ALAND...Biology in the Canterbury College, University of New Zealand. (Read January 14, 1885.) CONT~N~S. Introduction...geological phenomena are gathered together as in New Zealand. Sedimentary rocks are represented of nearly...salt and gypsum, and no magnesian limestones. New Zealand appears never to have been the site of great...position is one of great interest. I t is in l~ew Zealand alone that we have any record of the ancient floras |  | | Journal (article/letter/editorial) | | FEARNSIDES : Orthite and various Fossils from Arenig District. J. FRANCIS: Upper, Middle, and Lower Devonian...cut and rough state. F. M. TURNEl{: Section of Thames Bed near Westminster Bridge with Fossil Specimens...Volcanic and PROCEEDINGS. 437 Alpine Regions of New Zealand," by Albert E. Kitson, F.G.S. The lecture was...description of CI) the Volcanic region of the North Island Rotorua Hot Lakes district: Great Waimanga Geyser,...Wairakei Geyser Valley.-\Vairakei Mud Volcano, Waikato Gorge and Valley.-Taupo Volcanic Basin.-Tongariro |  | | 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...;1ThamesPeninsula /LTe Aroha AUCKLANJ i Central Volcanic ~ Region NORTH ISLAND SOUTH ISLAND E Vq Fig. 1. Location...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 |  | | Book (edition) | | Pearl (CatUns) .r 2. Ruby (Rimu Flat) x 2. Citrine (Thames). Opal (Tairua) x 2. h Zircon (Stewart Island)...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 |  | | Journal (article/letter/editorial) | | Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON†AND JEFFREY L. MAUK School of...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...et al., 2003; Comstock: Hudson, 2003; Favona, New Zealand: Simpson and Mauk, 2007). Many papers describe...the southern Hauraki goldfield, North Island, New Zealand (Figs. 1, 2). The area has been well drilled...Goldfield Great Barrier Island Auckland 38°S 0 N Coromandel Peninsula 200 km Hauraki-Success 0 20 km |  | | | | 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 and |  | | 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 and |  | | 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 |  | Khin Zaw, , Hunns, S.R, Large, R.R, Gemmell, J.B, Ryan, C.G, Mernagh, T.P (2003) Microthermometry and chemical composition of fluid inclusions from the Mt Chalmers volcanic-hosted massive sulfide deposits, central Queensland, Australia: implications for ore genesis. Chemical Geology, 194 (1) 225-244 doi:10.1016/s0009-2541(02)00279-6 | Journal (article/letter/editorial) | | those of typical epithermal deposits (e.g., Thames, New Zealand) and porphyry copper deposits (Bingham, UT)...feldspar-phyric breccias, rhyolite intrusions, coherent to autobrecciated rhyolite lavas, andesitic intrusions...ichnofacies is normally understood as characterising the region between the daily wave base and the storm wave...reported from the Fukazawa VHMS deposit, Hokuroko district, Japan (Foley, 1986) and the VHMS Hellyer deposit...those of a typical epithermal deposit (e.g., Thames, New Zealand; Khin Zaw et al., 1999a) and a porphyry copper |  | | Journal (article/letter/editorial) | | Press Ltd.,London Data of rock analyses-III New Zealand periodical and serial literature. Bibliography...HOOKER U.S. GeologicalSurvey, Washington 25, D.C. New Zealand is probably aa remarkable from a geological as...with New Zealand. It comprises a list of periodical and serial literature published in New Zealand, a bibliography...exceptions, the references contain only analyses of New Zealand rocks. These are BARTRUM (1927), four analyses...repeat here that, to the best of our knowledge, only new or previously unpublished analyses are being cited |  | 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...gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the Maria and |  | | Journal (article/letter/editorial) | | with epithermal deposits ranges from basalt to rhyolite. Consequently, igneous rock compositions do not...intrusion-centered hydrothermal systems and reflect district-scale magmatism (Simmons et al., 2005; John et...Hill-Favona-Karangahake-Golden Cross-Thames (hereafter collectively referred to as Coromandel), and Banska districts...numbers of samples available for each deposit or district vary widely and are outlined in the primary data...welding. Similarly, some, often nearly PT aphyric, rhyolite lava flows associated with epithermal deposits |  | | Journal (article/letter/editorial) | | and tools to increase productivity and facilitate new forms of scholarship. For more information about...would thus appear to represent a rare or altogether new type of vulcanism. It has been clearly established...bridges of Tertiary rhyolite. Mount Tarawera was an old volcano composed of rhyolite flows and tuffs. The...sides of the fissure-rent. Among these masses of rhyolite there occur innumerable angular blocks of siliceous...crater to become filled up with water, forming a new Rotomahana which is many times the size of the old |  | | Book | | 411 • New Hebrides NewCaled~ • • Norfolk I. Lord Howe I. • SOUTH PACIFIC OCEAN SEA NEW ZEALAND...BASIN I , .. The Geological Structure of New Zealand a volume in the REGIONAL GEOLOGY SERIES edited...the Oligocene, Landon Limestone Photograph: New Zealand National Publicity Studio photo J'ublished...STRUCTURE OF NEW ZEALAND J . T. Kingma I , • THE GEOLOGICAL STRUCTURE OF NEW ZEALAND JACOBUS T. KINGMA...Wiley-lnterscience Publication JOHN WILEY & SONS New York• London• Sydney• Toronto I \ • ' Copyright |  | | Journal (article/letter/editorial) | | December 1959 in brackets) During the year ninety-six new members were elected (including four institutional...sales of Guides continued buoyant; initial sales of new Guides were good, and sales of the older Guides continued... Statement 4 BEQUEST FUND Investments £ s, d. New Investment . Advanoc of Capital to Centenary Guides...0 6 Balances at I January 1960 Bequests... ... New Investment Investment Income Investments £ s, d...Investment Income £2500 0 £2500 0 0 £562 10 0 New Investment . Interest transferred to Capital . Balances |  | | Journal (article/letter/editorial) | | " near Oxford, they may have reached the Lower Thames by way of Moreton and Goring Gaps. The earlier...the evolution of the Thames. There are several difficulties in correlating the Thames terraces with known...believed to be later than a diversion of the Lower Thames by an early ice-sheet (Wooldridge, 1938, p. 39)...has tried to collect the rarer erratics from the Thames gravels will know what a slow and difficult task...d a l b a s a l t Potash-syenite-porphyry Soda-rhyolite (? Shropshire) . . . . X X x X x X X Metamorphic |
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