 | | Journal (article/letter/editorial) | | Au-Ag Deposits: A Case Study from the Waitekauri Area, New Zealand MATHIJS A. BOODEN,† JEFFREY L. MAUK...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...rocks in the Waitekauri area along a 3-km-wide section that extends from the central Waitekauri fault to...altered rocks, and 24 percent of rock mass in adularia-dominated altered rocks. On average mass losses |  | | 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...Abstract The Hauraki goldfield in the Coromandel volcanic zone contains approximately 50 adularia-sericite...goldfield, adularia from Paritu yields a single 40Ar/39Ar plateau date of 16.32 ± 0.13 Ma, and adularia from...province, adularia from the Ohui deposit gives a preferred 40Ar/39Ar age of 8.29 ± 0.25 Ma, adularia from |  | | Journal (article/letter/editorial) | | Deposits and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON† AND JEFFREY...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...several adularia-sericite epithermal Au-Ag deposits and prospects. From west to east, the area contains...contains the Sovereign, Jubilee, Scimitar, Scotia, Teutonic, and Jasper Creek deposits and prospects, which...the east. Alteration minerals include quartz, adularia, albite, chlorite, pyrite, illite, interstratified |  | | Journal (article/letter/editorial) | | Chemistry of Adularia-Sericite Epithermal Au-Ag Deposits of the Southern Hauraki Goldfield, New Zealand* Mark...University of Auckland, Private Bag 92019, Auckland, New Zealand 2 U.S. Geological Survey, P.O. Box 25046, MS-973...in adularia-sericite Au-Ag epithermal veins from the Karangahake, Martha, Favona, and Waitekauri deposits...deposits, southern Hauraki goldfield, New Zealand. Quartz veins contain colloform to crustiform bands that...hydrostatic pressure, samples from the Karangahake deposit (Maria vein) were deposited from low-salinity fluids |  | | Report (volume) | | stability and renewed development , activity. Relatively new discoveries of ‘“‘porphyry gold’’ and related deposits...technology. The Casino porphyry copper-gold-molybdenum deposit, in the unglaciated Dawson Range of central Yukon...mineralization at the Kemess South gold-copper deposit in British Columbia, described by Rebagliati et...Copper copper-molybdenum-gold deposit in the Panhandle and the Fort Knox deposit in east-central Alaska has...In southeast Alaska, the Quartz Hill molybdenum deposit contains an estimated 1.6 billion tonnes grading |
|
