 | | 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 |  | 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) | | Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,†...GNS Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY... Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the Hauraki goldfield in the...the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag between 1862 and |  | | Report (issue) | | The steel industry, now being established at Waikato Heads, 30 miles south of Auckland, will use a raw...also contain zircon, monazite, rutile, leucoxene, gold, magnetite, scheelite and garnet in some of the...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 |  | | 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) | | Adularia-Sericite Epithermal Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,†...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Aeromagnetic, airborne radiometric...the adularia-sericite epithermal province of the Hauraki goldfield have delineated distinct anomalies associated...associated with pervasive hydrothermal alteration and gold-silver mineralization. Aeromagnetic derivative images...Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked, 50-gravity |  | | Journal (article/letter/editorial) | | September–October NO. 6 Epithermal Gold-Silver Deposits of the Hauraki Goldfield, New Zealand: An Introduction DAVID...of the Hauraki Goldfield The five papers that follow describe diverse aspects of epithermal gold-silver...systems in the Hauraki goldfield on the Coromandel peninsula of the North Island of New Zealand (Fig. 1).... The Hauraki goldfield contains more than 50 Miocene and Pliocene epithermal Au-Ag deposits and several...Coromandel volcanic zone (Skinner, 1986). Placer gold was first discovered near Coromandel township in |  | | Journal (article/letter/editorial) | | and prospectivity of an epithermal gold field, Coromandel, New Zealand A. P. W. Hodder Department of Earth...Earth Sciences, University of Waikato, Hamilton New Zealand Abstract. The volcanic rocks of the Coromandel...Coromandel Peninsula, N o r t h Island, New Zealand, were formed during a late Miocene convergence of the Pacific...in the region is consistent with this notion. Recent discovery of economic quantities of gold deposited...analogy, that Coromandel gold may have been similarly transported. If so, then gold mineralization prospectivity |  | | Journal (article/letter/editorial) | | of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,†CHRIS M. HALL...92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...of Arizona, Tucson, Arizona 85721 Abstract The Hauraki goldfield in the Coromandel volcanic zone contains...47 ± 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins...these results indicate that mineralization in the Hauraki goldfield ranges from 16.3 Ma in the north to 2 |  | | 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...later Tertiary or the Pliocene period the whole district was a seat of intense eruptive energy. From the...headlands surrounding the magnificent harbour. In the Hauraki Peninsula, which is separated from the Auck- Downloaded...GEOLOGICAL SOCIETY. land district by the Firth of Thames and the Hauraki Gulf (see Map, Plate IX.), |  | | Journal (article/letter/editorial) | | and application to the Martha Au–Ag mine, Waihi, New Zealand Devin N. Castendyk a a,* , Jeffrey L. Mauk...Auckland, New Zealand b Geology Department, The University of Auckland, Private Bag 92019, Auckland, New Zealand...method to the Martha epithermal Au–Ag mine, Waihi, New Zealand. Heterogeneous ore deposits, like Martha...pit lakes in humid climates, such as New Zealand and Papua New Guinea, may receive greater volume contributions...the Martha epithermal Au–Ag mine, Waihi, North Island, New Zealand (Fig. 1). Hydrothermal orebodies commonly |  | | Journal (article/letter/editorial) | | 817–839 The Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSON†AND JEFFREY L...Mail Centre, Auckland 1142, New Zealand Abstract The Favona deposit is a new epithermal vein discovery...>42.1 million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted...extensive open conduits resulted in the formation of gold- and silver-bearing colloform- and crustiform-banded...exploration of known epithermal deposits throughout the Hauraki goldfield for additional resources. Introduction |  | | Journal (article/letter/editorial) | | SALIENT FEATURES OF THE ECONOMIC GEOLOGY OF NEW ZEALAND. JAMES MACKINTOSHBELL) I. Introduction. :z...chief physiographic features of New Zealand. 3. Resum• of New Zealand stratigraphy. 4. Salient features...Kaipara. Nelson. Gold Reefs in schists and slates in the South Island. Hauraki Goldfield. Gold in solution...three principal islands of the British colony of New Zealand, known respectivelyas the North, South and Stewart...Survey of New Zealand. 735 736 ]AMES IG&ø I?Oø MACKINTOSH BELL 17• ø 17'•-' 176' 178ø NEW ZEALAND |  | | Journal (article/letter/editorial) | | constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey L. Mauk &...rhyolite-hosted epithermal deposit in the Hauraki Goldfield of New Zealand. The opaque minerals include pyrite...other adulariasericite epithermal deposits in the Hauraki Goldfield and elsewhere worldwide. Broken Hills...electrum. Broken Hills is the only deposit in the Hauraki Goldfield where uytenbogaardtite and petrovskaite...Auckland 1142, New Zealand e-mail: J.Mauk@auckland.ac.nz S. D. C. Rabone Broken Hills Gold Co, PO Box 99 |  | | Journal (article/letter/editorial) | | 269–290 The Waihi Epithermal Gold-Silver-Base Metal Sulfide-Quartz Vein System, New Zealand: Temperature...Lower Hutt, New Zealand Abstract The large, andesite-hosted quartz vein system at Waihi contains a major...salinity following dilution favored the transport of gold, silver, and copper as hydrosulfide complexes and...deposition. Introduction THE WAIHI deposit is a large epithermal gold-silver-base metal sulfide-quartz...and associated Hauraki goldfield in the North Island of New Zealand (Fig. 1). At Waihi, an extensive quartz |  | Mering, John A., Barker, Shaun L.L., Huntington, Katharine W., Simmons, Stuart, Dipple, Gregory, Andrew, Benjamin, Schauer, Andrew (2018) Taking the Temperature of Hydrothermal Ore Deposits Using Clumped Isotope Thermometry. Economic Geology, 113 (8) 1671-1678 doi:10.5382/econgeo.2018.4608 | Journal (article/letter/editorial) | | Science, University of Waikato, Private Bag 3105, Hamilton, 3240, New Zealand 2Centre 3Department 4Energy...geothermal fields in the Taupo volcanic zone, New Zealand, that record growth temperatures between 130°...Measurements carried out at the Waihi low sulfidation deposit in New Zealand, the Antamina polymetallic skarn...temperature gradients defined using other methods. At Waihi, an andesite-hosted deposit, temperature controls...to reflect the local geotherm. Epithermal (e.g., Waihi) and geothermal (e.g., Taupo volcanic zone) systems |  | | Journal (article/letter/editorial) | | Epithermal Orebody: The Martha Hill Deposit, Waihi, New Zealand K. BERNARD SPĂ–RLI1,†AND HUGH CARGILL2 1...92019, Auckland 1142, New Zealand 2 28 Norwich Avenue, New Plymouth 4310, New Zealand Abstract We describe...dominated by northeast-striking gold-silver lodes up to 30 m thick. Gold production was entirely from quartz...structural study of a major, superbly exposed epithermal gold deposit can provide much needed observational ground...world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1, 2), with a total mined and |  | | Journal (article/letter/editorial) | | GEOLOGY GOLD FIELDS, A.M. NEW OF THE HAURAKI ZEALAND. FINLAYSON. The Hauraki gold fields of New Zealand...late yearsfor the progressand prosperityof the Waihi mine and its smallerneighbors,show geologicalfeaturestypical...fieldsof the Pacificand of central Europe. The district has beenstudiedby severalworkers notably by F...the district is now being surveyedin detail by the officersof the geologicalsurvey.• These gold-fieldsgive...oreshootsand ore-enrichment, and the source of the' gold and silver. These three questionsare discussedin |  | | Journal (article/letter/editorial) | | rhyolite-hosted epithermal Au±Ag deposits of the Hauraki Gold®eld, New Zealand Received: 25 August 1998 / Accepted:...samples from four epithermal Au±Ag deposits of the Hauraki Gold®eld were logged and quanti®ed by vein spacing...larger veins contain signi®cant volumes of high-grade gold mineralisation. The higher chemical Editorial handling:...Nuclear Sciences, P.O. Box 30368, Lower Hutt, New Zealand e-mail: b.brathwaite@gns.cri.nz Fax: +64-04-5704657...exploration of gold-bearing epithermal vein deposits. Introduction The Hauraki Gold®eld, in the North |  | | Journal (article/letter/editorial) | | (•UARTZ No. 3- "PSEUDOMORPHOUS" OF TERTIARY SILVER GOLD- VEINS. P. G. 'MORGAN. PLATY, lameliar, or tabular...usu- Fro. x. Lamellar or Platy Quartz, Waihi Mine, New Zealand. Back of specimenshows semi-platy quartz...oughtalsoto.be excludedfrom the classof pseudomorphs. In New Zealandquartzsupposed to be pseudomorphous after...y Cox,• who in x883 noticedin the Martha lode, Waihi, a "curious" typeof quartz,whichappeared to "form...lamellar"pseudomorphous" quartz in the lodesof the De Lamar district, Idaho. He remarks:"It seems mostprobable th |  | | Journal (article/letter/editorial) | | Epithermal Au-Ag Deposits of the Southern Hauraki Goldfield, New Zealand* Mark P. Simpson,1,** Sabina Strmic...University of Auckland, Private Bag 92019, Auckland, New Zealand 2 U.S. Geological Survey, P.O. Box 25046, MS-973...and ÂWaitekauri deposits, southern Hauraki goldfield, New Zealand. Quartz veins contain colloform to...boiling is the most effective mechanism for both gold and silica precipitation. The presence of single-phase...The Hauraki goldfield is located in the Coromandel Peninsula of the North Island of New Zealand (Fig |  | | Journal (article/letter/editorial) | | and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON†AND JEFFREY L. MAUK...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...network that has largely been eroded. Introduction GOLD AND SILVER in adularia-sericite epithermal deposits...et al., 2003; Comstock: Hudson, 2003; Favona, New Zealand: Simpson and Mauk, 2007). Many papers describe...Waitekauri area of the southern Hauraki goldfield, North Island, New Zealand (Figs. 1, 2). The area has been |  | | Journal (article/letter/editorial) | | 192 The territory contains commercial deposits of gold, copper, and sulphur, and small amounts of iron...Mines of the Waihi District, Hauraki Goldfield, New Zealand. By P. G. MORGAN.New Zealand Dept. of Mines...resurveyof the Waihi district, a portion of the Haurakigoldfieldin the easternpart of North Island, New Zealand...Zealand. This region is an example of gold-silvermineralizationin Middle Tertiary volcanic rocks consisting...the total. Argentite and enargite also occur. The gold and silver is present as electrum, and is generally |  | | Journal (article/letter/editorial) | | Oxford: Clarendon Press, 1924; 5 colored maps. $5.00. New York: Oxford University Press, American Branch. Pp...together of the scattered data on any particular region laborious without an index. The much-desired index...colored map. The known geology of Papua, or British New Guinea, is as yet very fragmentary, for the territory...192 The territory contains commercial deposits of gold, copper, and sulphur, and small amounts of iron...Mines of the Waihi District, Hauraki Goldfield, New Zealand. By P. G. MORGAN.New Zealand Dept. of Mines |  | | Journal (article/letter/editorial) | | 270 Reviews—Geological Survey of New Zealand. 4 miles to one inch), showing areas of granite, ferruginous...economic geology, included under the headings of gold, copper, lead, tin, tantalum, iron, coal, salt,...—GEOLOGICAL SuKVEr OF NEW ZEALAND. Geology of the Waihi-Tairua Subdivision, Hauraki Division " _l forms...forms the subject of Bulletin No. 15 (new series), 4to, "Wellington, 1912. The area, which is described by...eastern coast of Hauraki, in the northern portion of the North Island of New Zealand. With the exception |  | | Journal (article/letter/editorial) | | of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MICHAEL J. BEGBIE,†,* Department of Geology,... University of Otago, P.O. Box 56, Dunedin, New Zealand K. BERNHARD SPĂ–RLI, School of Geography, Geology...92019, Auckland Mail Centre, Auckland 1142, New Zealand AND JEFFREY L. MAUK School of Geography, Geology...Auckland 1142, New Zealand Abstract Golden Cross, located in the Hauraki goldfield of New Zealand, is a classic...of a faultfracture–hosted epithermal vein system. Gold-silver mineralization was mined in two areas: the |
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