| 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) | 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...interstratified illite-smectite, smectite, calcite, hematite, and minor epidote. Many of these minerals have...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, • 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...exploration of known epithermal deposits throughout the Hauraki goldfield for additional resources. Introduction...than 200 metric tons (t) of gold (e.g., Martha, New Zealand; Hishikari, Japan; Acupan, Philippines; Comstock | | Smagunov, Nikolay, Tauson, Vladimir, Lipko, Sergey, Babkin, Dmitriy, Pastushkova, Taisa, Belozerova, Olga, Bryansky, Nikolay (2021) Partitioning and Surficial Segregation of Trace Elements in Iron Oxides in Hydrothermal Fluid Systems. Minerals, 11 (1) 57 doi:10.3390/min11010057 | Journal (article/letter/editorial) | kbar. The crystal phases obtained were magnetite, hematite, and Ni-spinel, which were studied using X-ray...values for Ti, Zn, and Mn (n × 10−2 –10−3 ). In hematite, DTE/Fe values were highest for Al and V (order...solution; co-crystallisation coefficient; magnetite; hematite; Ni-spinel; fluid composition; crystal surface;...the significance of magnetite (and more rarely hematite [7,8]) as an important and sensitive petrogenetic...formation but also in practical aspects [9–15]. Hematite (α-Fe2 O3 ) is a characteristic component of epigenetic |
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