 | 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 |  | | 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...southern province, adularia from quartz veins at the Maratoto deposit provide a preferred 40Ar/39Ar age of 6...47 ± 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins |  | | Journal (article/letter/editorial) | | Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,†,* 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...of alteration zones in the form of adularia and illite. A broad K/Th anomaly correlates with the extent...enrichment in the Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked |  | | 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...adularia, albite, chlorite, pyrite, illite, interstratified illite-smectite, smectite, calcite, hematite...epidote is restricted to Sovereign and Jubilee. Illite occurs throughout Sovereign and Jubilee and at... where it grades eastward into interstratified illite-smectite and smectite at Teutonic and Jasper Creek |  | | Journal (article/letter/editorial) | | Deposits: A Case Study from the Waitekauri Area, New Zealand MATHIJS A. BOODEN,†JEFFREY L. MAUK, AND MARK...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Major element geochemical exploration...alteration can be quantified. In the Hauraki goldfield of New Zealand, altered andesites and dacites host...equal to approximately 11 percent of rock mass in illite-dominated altered rocks, and 24 percent of rock...was gained in most altered rocks, which contain illite and/or adularia as K-bearing hydrothermal minerals |  | | Journal (article/letter/editorial) | | Barrier Island Silver-Gold Deposits, Hauraki Province, New Zealand W. R. H. RaMsaY Armidale, N. S. W.,... Australia H. W. KOB~ Auckland, N e w Zealand The Great Barrier Island subvolcanic silver-gold deposits...along with other hydrothermal fissure deposits of Hauraki Province is considered to be of Pliocene-Pleistocene...northern extension of Hauraki Province, which constitutes N e w Zealand's major region of noble metal production...RAMSAY 400 l---4 0 iO0 200 I P l km Hauraki Gulf :t Barrier Island ,Corornandel ;1ThamesPeninsula |  | | Journal (article/letter/editorial) | | GoldenCrossEpithermalGold-SilverDeposit,Waihi, New Zealand CORNELE. J. DE RONDE* Geology DepartmentUniversity...NewZealandGeologicalSur•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...sequencesmectite,,interstratifiedillitesmectite, illite, and chlorite correspondingto a regional increase...previouslybeendescribedfromepithermal depositsin New Zealandandpossiblycontainorganicliquid(s). Oxygenisotopesof |  | | Journal (article/letter/editorial) | | BRIAN W. ROBINSON 3 1New Zealand Geological Survey, DSIR, Lower Hutt (New Zealand) 2Chemistry Division,...DSIR, Petone (New Zealand) 3Institute of Nuclear Science, DSIR, Lower Hutt (New Zealand) (Received June...sample from epithermal veins in the Hauraki Goldfield, New Zealand, and 1 calcite drill-cuttingsample...contaminated analyses (11 ) indicate that the Hauraki epithermal fluids sampled had salinities between...calcite from epithermal veins of the Hauraki Goldfield, New Zealand, an at- © 1989 Elsevier Science Publishers |  | 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) | | Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson,1,†Michael F. Gazley...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...largest gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the |  | | 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) | | 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...>42.1 million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted...Both adularia and albite are variably replaced by illite, which, together with broadly coextensive chlorite...locally at depth in the hanging wall. Interstratified illite-smectite containing 10 to 70 percent smectite 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...and ÂWaitekauri deposits, southern Hauraki goldfield, New Zealand. Quartz veins contain colloform to...The Hauraki goldfield is located in the Coromandel Peninsula of the North Island of New Zealand (Fig...Research Centre, 114 Karetoto Road-RD4, Taupo 3377, New Zealand. †Corresponding author, e-mail: s.strmic-palinkas@auckland |  | | 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...economic Au-Ag ore. A pervasive adularia-quartz-illite-chlorite-pyrite alteration zone bounds the larger...calcite + pyrite ± adularia ± illite. This zone is enveloped by an illite-quartz-adularia-chlorite-calcite-pyrite...a transition zone characterized by interlayered illite-smectite into a smectite-chlorite-calcite alteration |  | | Journal (article/letter/editorial) | | of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MARK P. SIMPSON,†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...by, illite that progressively grades upward and laterally into a zone of interstratified illite-smectite...developed. Illite occurs at depth and close to the veins, grading outward and upward into illite-smectite |  | | Journal (article/letter/editorial) | | M. Koziol Spriggite, Pb3[(UO2)6O8(OH)2](H2O)3, a new mineral with β-U3O8-type sheets: Description and...Light rare earth elements enrichment in an acidic mine lake (Lusatia, Germany)—Elke Bozau, Marc Leblanc...anthropogenic factors influencing mercury speciation in mine wastes: An EXAFS spectroscopy study— Christopher...Neoproterozoic and Early Cambrian igneous rocks in southern New Brunswick: Similarities and contrasts—Sandra M. Barr...crustal architecture and Permo-Triassic tectonics in New Guinea: Possible links with eastern Australia— P |  | | Journal (article/letter/editorial) | | IndustrialResearch,WairakeiPrivateBag, Taupo,New Zealand Abstract In studiesof epithermal preciousand...Kelvin/molal. Fluid inclusionice-meltingdatafrom New Zealandgeothermalfieldscorrelatewell with valuescalculatedusing...expressedas an systems, suchas thosein the circum-Pacific region apparentsalinityin terms of NaC1equivalentin wt...the deep systembut dominatein from Broadlands,New Zealand. Collins (1979) has surficialsteam-heated wa...terrane have a lakesof activevolcanoes(e.g., Ruapehu,New Zeadeep convectiveupfiowof near-neutralpH fluid in |  | | Book (volume) | | Strata-Bound Zinc-Lead Deposits of the Upper Silesian Region, Polanda Review of Some Recent .Research .. .....Madenkoy Massive-Sulfide Deposit, Eastern Black Sea Region, Turkey ............. ............. .. ..........Mineralization: an Example from the Iwami Mining District, Shimane, Japan ..... ............... ..........B., Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions...of the Sterling Hill Zinc Deposit, Sussex County, New Jersey .. ...... ..... . .. .. ..... ....... ... |  | | Book (edition) | | completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new e 240 new color photographs, mostly of large specimens...specimens, as well as 104 black-and-white photographs 45 new crystal drawings of rare species the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico; | | | Book (edition) | | completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new • 240 new color photographs, mostly of large specimens...as well as 104 black-and-white photographs • 45 new crystal drawings of rare species • the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico; |
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