 | 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) | | Zone, New Zealand ANTHONY B. CHRISTIE,† GNS Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK...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...Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag...Ag between 1862 and 2006 from a total land area of approximately 2,900 km2. Approximately 69 percent of |  | | 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...southern province, adularia from quartz veins at the Maratoto deposit provide a preferred 40Ar/39Ar age of 6...Northland and Colville volcanic arcs in the New Zealand region of the southwest Pacific. Introduction EPITHERMAL...Sillitoe, 2008), and the Hauraki goldfield of New Zealand (e.g., Christie et al., 2007). Work in these |  | | Journal (article/letter/editorial) | | and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON† AND JEFFREY L....Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...Au-Ag deposits and prospects. From west to east, the area contains the Sovereign, Jubilee, Scimitar, Scotia...a 3-km-long composite cross section through the area. Most host rocks are intensely altered, with 100...minerals include quartz, adularia, albite, chlorite, pyrite, illite, interstratified illite-smectite, smectite |  | | Report (issue) | | R., and Fuffield, W. A., 1980, Coso Geothermal Area, Geothermal investigations in the Coso Range, California;...1979, Geochemistry of hydrothermal ore deposits: New York, John Wiley and Sons, Inc., 798 p. 2nd ed.;...ed., Geochemistry of hydrothermal ore deposits: New York, John Wiley and Sons, Inc., p. 404-460. Barnes...ed., Geochemistry of hydrothermal ore deposits: New York, John Wiley and Sons, Inc., p. 278-403. Baston...Cameron volume on unconventional mineral deposits; New York, publisher, p. 191-205. Berger, B. R., and Silberman |  | | Report (issue) | | R., and Duffield, W. A., 1980, Coso Geothermal Area, Geothermal investigations in the Coso Range, California:...Geochemistry of hydrothermal ore deposits, 2nd ed.: New York, John Wiley and Sons, Inc., 798 p. Barnes, H...ed., Geochemistry of hydrothermal ore deposits: New York, John Wiley and Sons, Inc., p. 404-460. Barnes...ed., Geochemistry of hydrothermal ore deposits: New YoTT, John Wiley and Sons, Inc., p. 278-403. Baston...Cameron volume on unconventional mineral deposits: New York, Society of Mining Engineers of AIME, p. 191-205 |
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