 | | Journal (article/letter/editorial) | | 102, pp. 817–839 The Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSON† AND JEFFREY...Mail Centre, Auckland 1142, New Zealand Abstract The Favona deposit is a new epithermal vein discovery...million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted in late...sections (800 m long × 450 m deep) that transect the Favona, Cowshed, and Amaranth veins. Hydrothermal quartz...are generally restricted to the footwall of the Favona and Cowshed veins, although both minerals appear |  | | Journal (article/letter/editorial) | | constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey L. Mauk &...rhyolite-hosted epithermal deposit in the Hauraki Goldfield of New Zealand. The opaque minerals include pyrite...other adulariasericite epithermal deposits in the Hauraki Goldfield and elsewhere worldwide. Broken Hills...the less common minerals aguilarite (Ag4SeS), naumannite (Ag2Se), petrovskaite (AuAgS), uytenbogaardtite...electrum. Broken Hills is the only deposit in the Hauraki Goldfield where uytenbogaardtite and petrovskaite |  | 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...0.03 Ma. Adularia from one quartz vein from the Favona deposit yields a 40Ar/39Ar date of 6.05 ± 0.04...47 ± 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins |  | | 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...Karangahake, Martha, Favona, and Waitekauri deposits, southern Hauraki goldfield, New Zealand. Quartz veins...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) | | high-grade Au-Ag-Te sample from deep in the Cresson Mine, Cripple Creek, Colorado, analyzed by Unger (2008)...(from Saunders, 1988). (C) Photograph of large naumannite (nm) dendrites from Buckskin National, which...which usually occurs as disseminations in the naumannite, has formed electrum-only (el) dendrites in this...subduction settings and moved into the magma source region by hydrothermal fluids derived from the slab. This...subduction depends on the tectonic history of the region affected. The important factor in the distillation |  | Obushkov, A. V., Struzhkov, S. F., Natalenko, M. V., Ryzhov, O. B., Kryazhev, S. G., Radchenko, Yu. I. (2010) Geology and mineralogy of ore at the hidden Engteri Au-Ag deposit, the Magadan Region. Geology of Ore Deposits, 52 (6) 459-478 doi:10.1134/s1075701510060036 | Journal (article/letter/editorial) | | at the Hidden Engteri Au–Ag Deposit, the Magadan Region A. V. Obushkova, S. F. Struzhkova, M. V. Natalenkoa...Received May 12, 2010 Abstract—The Engteri is a new hidden Au–Ag deposit in the Russian segment of the...brecciated texture has the best prospect for revealing new ore bodies. The Engteri deposit allowed us to outline...deposits in the United States, the Favona deposit in New Zealand, the Hishikari deposit in Japan, etc...development will prolong the life of the Julietta Mine by a few years. The Enteri deposit has been chosen |  | | Journal (volume) | | the cover: Map of the Carpathian region with type localities of new mineral species, rocks, fossil resins...Natural History Museum, entitled “There is something new under the earth”, organised on the occasion of IMA2010....1 AM11 Gem materials: Origins, properties, and new analytical challenges .....................................245 EG52 Platinum-group minerals in the new millennium..................................................................319 EM61 Mineralogy of mine wastes and contaminated soil................... |
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