 | 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) | | 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...Favona and Cowshed veins. Late-stage kaolinite, cristobalite, and rare alunite locally overprint the above...collapse resulted in overprinting by kaolinite, cristobalite, and alunite from descending steam-heated acidsulfate |  | | 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 |  | Lackschewitz, K.S., Devey, C.W., Stoffers, P., Botz, R., Eisenhauer, A., Kummetz, M., Schmidt, M., Singer, A. (2004) Mineralogical, geochemical and isotopic characteristics of hydrothermal alteration processes in the active, submarine, felsic-hosted PACMANUS field, Manus Basin, Papua New Guinea. Geochimica et Cosmochimica Acta, 68 (21) 4405-4427 doi:10.1016/j.gca.2004.04.016 | Journal (article/letter/editorial) | | felsic-hosted PACMANUS field, Manus Basin, Papua New Guinea K. S. LACKSCHEWITZ,1,3,* C. W. DEVEY,1,3 P...mineralization and alteration patterns. We present new data on clay mineral assemblages, clay and whole...five alteration zones: (1) chlorite ⫾ illite-cristobalite-plagioclase alteration apparently overprinted...conditions. Phyllosilicates, in addition to cristobalite and quartz, are the dominant hydrothermal alteration...PACMANUS hydrothermal field (named after the Papua New Guinea-Australia-Canada-Manus cruise with RV Franklin |
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