 | 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,ā ...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 |  | | 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) | | of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,ā 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...04 Ma. Host rock and vein adularia from the Karangahake deposit yield 40Ar/39Ar plateau dates that range...47 Ā± 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins |  | 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) | | Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson...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...Parade, Beachlands, Auckland 2018, New Zealand Abstract The Karangahake deposit is the third largest gold...gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the Maria and |  | | 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...the Karangahake, Martha, Favona, and ĀWaitekauri deposits, southern Hauraki goldfield, New Zealand. Quartz...most commonly detected in inclusions from the Karangahake and Martha deposits. The poor correlation between...under hydrostatic pressure, samples from the Karangahake deposit (Maria vein) were deposited from low-salinity |  | | Journal (article/letter/editorial) | | Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,ā ,* CORINNE A. LOCKE, JOHN...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...Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked, 50-gravity unit...data provides an outstanding case study of the district- to regional-scale geophysical characteristics |  | | Journal (article/letter/editorial) | | Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSONā AND JEFFREY L. MAUK School of...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...Cowshed, and Amaranth veins. Hydrothermal quartz and pyrite are ubiquitous. Adularia is widespread and envelopes...quartz, adularia, albite, chlorite, illite plus pyrite, and reflects formation from alkali chloride waters |  | | 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. Resumā¢ of New Zealand stratigraphy. 4. Salient features...Reefs in schists and slates in the South Island. Hauraki Goldfield. Gold in solution in hot springs of...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&Ćø I?OĆø MACKINTOSH BELL 17ā¢ Ćø 17'ā¢-' 176' 178Ćø NEW ZEALAND |  | | Journal (article/letter/editorial) | | Epithermal Orebody: The Martha Hill Deposit, Waihi, New Zealand K. BERNARD SPĆRLI1,ā AND HUGH CARGILL2 1 Geology...92019, Auckland 1142, New Zealand 2 28 Norwich Avenue, New Plymouth 4310, New Zealand Abstract We describe...world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1, 2), with a total mined and...some of the other epithermal gold deposits in the Hauraki goldfield and overseas. Regional and Local Geology...is part of the Hauraki goldfield on the Coromandel peninsula of northern New Zealand (Christie et al |  | | Journal (article/letter/editorial) | | and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSONā AND JEFFREY L. MAUK...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...minerals include quartz, adularia, albite, chlorite, pyrite, illite, interstratified illite-smectite, smectite...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 |  | | 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, ā¢ 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) | | constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey L. Mauk &...epithermal deposit in the Hauraki Goldfield of New Zealand. The opaque minerals include pyrite, electrum, acanthite...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...92019, Auckland Mail Centre, Auckland 1142, New Zealand e-mail: J.Mauk@auckland.ac.nz S. D. C. Rabone |  | | Journal (article/letter/editorial) | | Gold-Silver-Base Metal Sulfide-Quartz Vein System, New Zealand: Temperature and Salinity Controls on Electrum...Nuclear Sciences, P.O. Box 31312, Lower Hutt, New Zealand Abstract The large, andesite-hosted quartz vein...ore. A pervasive adularia-quartz-illite-chlorite-pyrite alteration zone bounds the larger quartz veins...associated with veinlets of quartz + calcite + pyrite Ā± adularia Ā± illite. This zone is enveloped by...by an illite-quartz-adularia-chlorite-calcite-pyrite alteration zone, which grades out through a transition |  | | Journal (article/letter/editorial) | | FIELDS, A.M. NEW OF THE HAURAKI ZEALAND. FINLAYSON. The Hauraki gold fields of New Zealand, noted in...fieldsof the Pacificand of central Europe. The district has beenstudiedby severalworkers notably by F... J. Sollas in a governmentmonograph,while the district is now being surveyedin detail by the officersof...bibliograhy at the end of this paper. 632 GEOLOGY OF HAURAKI GOLD FIELDS. 633 specimensshowingtransitionsfrom...and (2) the completelyalteredrock (" propylite" of New Zealandwriters), which is confinedto the neighborhoodof |  | | Journal (article/letter/editorial) | | of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MARK P. SIMPSON,ā JEFFREY L. MAUK, Geology Department...University of Auckland, Private Bag 92019, Auckland, New Zealand AND STUART F. SIMMONS Geothermal Institute...Auckland, New Zealand Abstract Golden Cross, located in the Coromandel peninsula, New Zealand, is a classic...these sections replacement quartz, chlorite, and pyrite are ubiquitous with the abundance of quartz veinlets...crosscut mineralized quartz veins. Kaolinite Ā± pyrite veinlets, together with rare, very local alunite |  | | Journal (article/letter/editorial) | | GoldenCrossEpithermalGold-SilverDeposit,Waihi, New Zealand CORNELE. J. DE RONDE* Geology DepartmentUniversity...NewZealandGeologicalSurā¢etd, P.O. Box$0 $68, Lower Hurt, New Zealand Abstract The GoldenCrossepithermalgold-silverdepositis...the Taupo volcaniczone in the Waihi district,Coromandel Peninsula,New Zealand.Gold andsilverof economicgrades(1-20...e dominatedby clay,quartz,adularia,calcite,and pyrite. Hydrothermalclaysshowa distinctzonationwith tlie...previouslybeendescribedfromepithermal depositsin New Zealandandpossiblycontainorganicliquid(s). Oxygenisotopesof |  | | 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 Zealandā1967 āā 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) | | rhyolite-hosted epithermal AuĀ±Ag deposits of the Hauraki GoldĀ®eld, New Zealand Received: 25 August 1998 / Accepted:...samples from four epithermal AuĀ±Ag deposits of the Hauraki GoldĀ®eld were logged and quantiĀ®ed by vein spacing...Nuclear Sciences, P.O. Box 30368, Lower Hutt, New Zealand e-mail: b.brathwaite@gns.cri.nz Fax: +64-04-5704657...deposits. Introduction The Hauraki GoldĀ®eld, in the North Island of New Zealand, contains epithermal AuĀ±Ag...activity. Regional geology and mineralisation The Hauraki GoldĀ®eld is associated with a MioceneĀ±Pliocene |  | | Journal (article/letter/editorial) | | can provide improved spatial resolution in the region of interest, but also can suffer from artifacts...2013 the ACTIS scanner was decommissioned and a new instrument was designed and built in collaboration...specimens; in 2013 this instrument was upgraded with new detector components to allow it to approach the capabilities...(Ketcham, 2005; Kyle et al., Fig. 4. Sample of Karangahake epithermal vein goldāsilver ore. a. Photograph...total gold mass. Based on the ErtsbergāGrasberg District production data, mill recoveries typically range |  | | Journal (article/letter/editorial) | | United States--and from Mexico, Japan,New SouthWales, and New Zealand. In the following pagesdeposits of...is true. In suchores as those from the Juneau district, Alaska; West Australia; California gold belt;...Rogerss also mentionssimilar quartz occurring with pyrite, chalcopyrite,ilmenite,and titanite in apparently...temperatureveinlets in a diabasenear Weehawken, New Jersey. The veinlets were, however, probably formd...notably in specimens from the Talisman Mine, Karangahake,New Zealand. In these specimens the quartzoccursas |  | | Book (edition) | | 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 Zealandās precious pebbles. If of an even content...Upheaved above wide ocean from deep undercrust. New Zealand is a contorted, broken land of varied mineral...titanium, āthe metal of the futureā with which New Zealand could supply all Europeā why, if this land ever |  | | Journal (article/letter/editorial) | | at the Golden Cross Epithermal Au-Ag Deposit, New Zealand JEFFREY L. MAUKā AND MARK P. SIMPSON School of...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Golden Cross is a late Miocene volcanic-hosted...assemblages located in the Coromandel peninsula, New Zealand. Gold- and Ag-bearing quartz veins occur in intensely...Leavitt and Arehart, 2005; Warren et al., 2007). District- and deposit-scale investigations of oxygen and...Miocene - Pliocene) andesites and dacites Komata Karangahake Coromandel Group Golden Cross Martha & Favona |  | | Report (issue) | | States ā¢ ā¢ ā¢ ā¢ā¢ā¢ Australia ā¢ ā¢ ā¢ ā¢ā¢ā¢ ā¢ ā¢ā¢ ā¢ā¢ ā¢ New Zealand ā¢ā¢ā¢ ā¢ā¢ā¢ 0 ā¢ . ā¢ā¢ ā¢ ā¢ā¢ ā¢ .... ā¢ ā¢ā¢ ā¢ā¢ā¢ ā¢ā¢...carry35576 A 3 6 ing metallic sulphides, especially pyrite ; often, also, as an impregnation of the country...California, and the west coast of the South Island of New Ze.a land. 1 ' r 7 ā¢ ā¢ The auriferous conglomerates...Hanson, Eng. Min. Journ., New Ybrk, 1920, 109, 194. The Mineral Industry, New York, 1919, 28, 295- 309...309, and 747- 794. Chem. and Met. Eng., New York, 1920, 22, 3-4. :it ā¢ 9 ā¢ remark, however, considerable |  | | Report (issue) | | Africa Canada ā¢ā¢ā¢ ā¢ā¢ā¢ India ā¢ā¢ā¢ Australia ā¢ā¢ā¢ New Zealand ā¢ ā¢ā¢ ā¢ā¢ā¢ ~ REFERENCES TO TECHNIOAL LITERATURE...the old-established fields in California, but no new depo,s its of permaneĀ·n t valuā¢e were discoveĀ·r ed...the Nikitovsky deposits in the Eka.t erinbslav district of South Russia. Before the war Germany produced...has be,e n discovered lately in t be Ma,r oni district of Dutch Guiana. Other counltries fro.m which...obtained a-r e Portugal, S1erbia, Algeria, Austra1ia, New Zea.l and, Japan (including Formosa), the Konia,h |  | | Book | | archaeological research in New Zealand has undergone something of a revolution. Using new techniques and drawing...disciplines, archaeo logists are now piecing together a new and far more complex picture of the human occupation...years. Until then it was popularly believed that New Zealand had in the past been settled by two waves of...itinerant hunters and gatherers whose impact on the new land was to have far-reaching effects. By 500 years...arrival of Europeans 200 years ago. Unearthing Neiv Zealand tells the fascinating story of this country's unique |
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Karangahake, Hauraki District, Waikato Region, New Zealand