 | 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,â ...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) | | 102, pp. 817â839 The Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSONâ 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 Ă 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) | | of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,â 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 ÂWaitekauri 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. â Corresponding author, e-mail: s.strmic-palinkas@auckland |  | | 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...pyrite, electrum, acanthite (Ag2S), sphalerite, and galena, which are common in other adulariasericite epithermal...epithermal deposits in the Hauraki Goldfield and elsewhere worldwide. Broken Hills ores also contain the...electrum. Broken Hills is the only deposit in the Hauraki Goldfield where uytenbogaardtite and petrovskaite |  | | Journal (article/letter/editorial) | | and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSONâ AND JEFFREY L. MAUK...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...John 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...deposits 945 946 SIMPSON AND MAUK 176°E 175°5ÂŽE Hauraki Goldfield Great Barrier Island Auckland 38°S |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...low-Fe sphalerite Ag-Au-Zn-Pb-Mn ± Cu Low (1â5 vol.%) Pyrrhotite, arsenopyrite, high-Fe sphalerite Au ±...geothermal system, Taupo Volcanic Zone, North Island, New Zealand (see Simmons et al. 1993) The reactive H2S-bearing...the Ladolam LS gold deposit, Lihir Island, Papua New Guinea, are represented at surface by steaming ground...alteration peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated |  | Simpson, Mark P., Gazley, Michael F., Stuart, Alistair G.J., Pearce, Mark A., Birchall, Renee, Chappell, Debra, Christie, Anthony B., Stevens, Murray R. (2019) Hydrothermal Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand. Economic Geology, 114 (2) 243-273 doi:10.5382/econgeo.2019.4630 | Journal (article/letter/editorial) | | Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson,1,â Michael F. Gazley...Research Centre, 114 Karetoto Road-RD4, Taupo 3377, New Zealand Scientific and Industrial Research Organisation...2013, New Zealand 4 GNS 5 Stevens Science, 1 Fairway Drive, Avalon, Lower Hutt 5010, New Zealand and...Pine Harbour Parade, Beachlands, Auckland 2018, New Zealand Abstract The Karangahake deposit is the third...largest gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the |  | 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 AuâAg Deposit, the Magadan Region A. V. Obushkova, S. F. Struzhkova, M. V. Natalenkoa...Received May 12, 2010 AbstractâThe Engteri is a new hidden AuâAg 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 (article/letter/editorial) | | high-grade Au-Ag-Te sample from deep in the Cresson Mine, Cripple Creek, Colorado, analyzed by Unger (2008)...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...epithermal ores occur on the North Island of New Zealand in close proximity to that subduction zone (Christie...Creek gold-silver deposits, Yankee Fork mining district, Eocene Challis volcanic field, Idaho: A volcanic |  | Peng, Yi-Wei, Gu, Xue-Xiang, Cheng, Wen-Bin, Zhao, Xiao-Bo, Wang, Guan-Nan, Lu, Liang-Tao, Han, Jian-Min (2018) Metallogenesis of the Late Palaeozoic Axi-Tawuerbieke Au-Pb-Zn district in the Tulasu Basin, Western Tianshan, China: Constraints from geological characteristics and isotope geochemistry. Geological Journal, 53 (6) 3030-3050 doi:10.1002/gj.3141 | Journal (article/letter/editorial) | | of the Late Palaeozoic AxiâTawuerbieke AuâPbâZn district in the Tulasu Basin, Western Tianshan, China:...Technology), Chengdu, Sichuan, China 4 Axi Gold Mine, Yining, Xinjiang, China The Tulasu Basin is an...deposit However, most previous studies on this ore district primarily focus types continuum on individual...documented in the previous literature. Based on a new Basin, hosts the Axi, Tabei, and Tawuerbieke deposits...The three deposits literature review as well as new isotope data, the evolution of the represent different |  | Xiao, ChangHao, Wang, QingFei, Li, GongJian, Zhou, XingZhi, Zhao, Yan (2017) Subduction-related hot spring-type gold mineralization in the central Tengchong block, southwestern China. Ore Geology Reviews, 90. 987-997 doi:10.1016/j.oregeorev.2016.12.011 | Journal (article/letter/editorial) | | 2005; 37 Peters, 1990), Porgera and Lihir in Papua New Guinea (Richards et al., 1991; White et 38 al....the Rehai geothermal region in the Tengchong 55 block. In this geothermal region, the ancient Lianghe...and the Lianghe deposit in the Rehai geothermal region, central 58 Tengchong block were investigated...zone of Indian plate. The oldest stratum in the region is the Proterozoic 68 Gaoligongshan Group, consisting...springs in the Rehai geothermal region 87 The Rehai geothermal region, located ~11 km southwest of Tengchong |  | Zhou, Yan, Wang, Tiangang, Fan, Feipeng, Chen, Shizhong, Guo, Weimin, Xing, Guangfu, Sun, Jiandong, Xiao, Fan (2022) Advances on Exploration Indicators of Mineral VNIR-SWIR Spectroscopy and Chemistry: A Review. Minerals, 12 (8) 958 doi:10.3390/min12080958 | Journal (article/letter/editorial) | | spectroscopy, and infer the chemistry of minerals, is a new research interest for economic geology. Common alterations...minerals [1â4]. The visible to near-infrared (VNIR) region includes sharp absorption bands of REE-bearing...Pyâpyrite; Sphâsphalerite; Gnâgalena. In the porphyry Cu-Mo deposit of the Highland Valley region, Canada,...of poorly eroded porphyry Cu district: A case study of Niancun ore district, Tibet. Min. Depos. 2012, 31...Example from the Mankayan Intrusion-centered Cu-Au district, Luzon, Philippines. Econ. Geol. 2011, 106, 1365â1398 |  | | Journal (article/letter/editorial) | | Auckland, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Volcanic rocks hosting quartz ± calcite...fresh volcanic rocks of the Taupo volcanic zone, New Zealand (Graham et al., 1995). line, the dominant K-bearing...San CristĂłbal 54Ma El Peñón 52-53Ma property/ district 24° La Escondida deposit El Soldado 51-53Ma...ion host rocks of the Golden Cross deposit, New Zealand, is described by Mauk and Simpson (2007). Although...0 $6.00 Mount Muro, Indonesia The Mount Muro district in the northern Barito province of central Kalimantan |  | | Journal (article/letter/editorial) | | Gold is accompanied by chalcopyrite, galena, and sphalerite in quartzâpyrite veins that also have a AgâAsâHgâTe...Tonga arc and reversing to eastward subduction at New Hebrides [25]. The NE-trending Hunter Fracture Zone...deposit (Papua New Guinea) contain 14â133 ppm Cu, 4â42 ppm Pb, Porgera gold deposit (Papua New Guinea) contain...Porgera Porgera gold gold deposit, deposit, is Papua New New Guinea Guinea [5], [5], and and shoshonitic shoshonitic...chalcopyrite and bornite, other sulfides (pyrite, sphalerite, and galena) show no evidence of replacement |  | PĂĄez, G.N., Ruiz, R., Guido, D.M., RĂos, F.J., Subias, I., Recio, C., Schalamuk, I.B. (2016) High-grade ore shoots at the Martha epithermal vein system, Deseado Massif, Argentina: The interplay of tectonic, hydrothermal and supergene processes in ore genesis. Ore Geology Reviews, 72. 546-561 doi:10.1016/j.oregeorev.2015.07.026 | Journal (article/letter/editorial) | | of the Martha mine epithermal deposit (Deseado Massif, Patagonia, Argentina). The mine was active from...highest-grade portions of the ore-shoots found at the mine. Finally, a post-mineral supergene phase deïŹned...extension, the secondary enrichment level at Martha mine constitutes an important economic factor for the...shallower portion of the vein system. The Martha mine vein system constitutes an excellent example of...al., 2005) through a detailed study of the Martha mine epithermal deposit, located in the southwestern |  | | Book | | appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of...in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific, China, Greenland and... Contents 4.6.5 Candelaria, Punta Del Cobre District, Chilean Coastal Belt. . . . . . . . . . . . ...2 Ladolam Epithermal System, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . 5.3.3 Hauraki Goldfield, Coromandel Peninsula, New Zealand 5.3.4 The Epithermal Systems |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started... Garuti, A. Rojas-PurĂłn, F. Longo & A. Chang A new mineralogical method for the determination of metal...mineralisation of the Riwaka Complex, Northwest Nelson, New Zealand . . ..........................................RiverâUchiâOxford-StullâLa Grande-Eastmain superdomain: a new metallotect within the Superior Province ..........Platinum mineralization at Owendale, NSW, Australia: new insights into the genesis of Pt mineralization in |  | | Journal (volume) | | the cover: Map of the Carpathian region with type localities of new mineral species, rocks, fossil resins...Natural History Museum, entitled âThere is something new under the earthâ, 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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