 | Cave, Ben J., Pitcairn, Iain K., Craw, Dave, Large, Ross R., Thompson, Jay M., Johnson, Sean C. (2017) A metamorphic mineral source for tungsten in the turbidite-hosted orogenic gold deposits of the Otago Schist, New Zealand. Mineralium Deposita, 52 (4) 515-537 doi:10.1007/s00126-016-0677-5 | Journal (article/letter/editorial) | | turbidite-hosted orogenic gold deposits of the Otago Schist, New Zealand Ben J. Cave 1 & Iain K. Pitcairn 2 & Dave...Abstract The orogenic gold deposits of the Otago Schist, New Zealand, are enriched in a variety of trace elements...Scheelite from syn-metamorphic veins at Fiddlers Flat and Lake HÄwea shows distinct differences in composition...scheelite from late-metamorphic veins at the Macraes Mine, the latter of which is enriched in REEs, Y...Y and Sr. We suggest that the scheelite at Macraes became enriched due to the liberation of these elements |  | | Journal (article/letter/editorial) | | a ductile-brittle shear zone, Macraes Mine, Otago Schist, New Zealand Received: 4 December 1997 / Accepted:...facies schist which hosts the Macraes Mine in East Otago, New Zealand has been pervasively altered by...reduction and recrystallization of micas to form a new foliation. Muscovite has grown at the expense of...Department, University of Otago, PO Box 56, Dunedin, New Zealand P.V. Angus Macraes Mining Co. Ltd, PO Box...Box 84, Palmerston, Otago, New Zealand Introduction Gold mineralization has occurred in most metamorphic |  | MacKenzie, Doug, Farmer, Lauren, Moore, Jonathan, Craw, Dave (2017) Contrasting coeval paragenesis of gold and scheelite in an orogenic hydrothermal system, Macraes mine, New Zealand. Ore Geology Reviews, 80. 645-657 doi:10.1016/j.oregeorev.2016.08.011 | Journal (article/letter/editorial) | | scheelite in an orogenic hydrothermal system, Macraes mine, New Zealand Doug MacKenzie a, Lauren Farmer a, Jonathan...of Otago, PO Box 56, Dunedin 9054, New Zealand OceanaGold Ltd, 22 McLaggan St, Dunedin 9016, New Zealand...The Macraes deposit (N 10 Moz resource) is a Cretaceous orogenic system hosted in the Hyde-Macraes Shear...fracture permeability. The Au and W enrichment in the Macraes deposit resulted from regional scale metal mobility...metamorphism that persisted structurally below the Macraes deposit for at least 10 Ma after mineralisation |  | | Journal (article/letter/editorial) | | 1995; Ramsay et al., 1998); the Otago Schist Belt, South Island, New Zealand (e.g., Craw, 2002; McKeag et...province, the Meguma terrane, the LFB, and the Otago Schist Belt. This article also examines the previously... 2004; and Otago Schist Belt â Craw, 1988), although saline ďŹuids are identiďŹed in Otago Schist ďŹuid...(Attoh et al., 2006). The basalts in the Ashanti mine area are unfoliated, but are metamorphosed to chlorite+...lavas and intermediate pyroclastics in the Ashanti mine area and suggest an evolution of basaltic-shield |  | | Journal (article/letter/editorial) | | Orogen, Australia; Buller Terrane and Otago Schist, New Zealand; Meguma Terrane, Canada; Tien Shan Mountains... the Buller Terrane and the Otago Schist in South Island of New Zealand, the French Massif Central, the...producers in central Victoria, Nova Scotia, New Zealand and elsewhere Ĺ˝Christie et al., 1999; Bierlein...Shan. or rapid uplift Ĺ˝e.g., South Island of New Zealand. have removed weathering profiles, deep weathering...crust of Tasmaniaâthe Selwyn Blockâunderlies the region and protected it from the earlier deformation. |  | | Journal (article/letter/editorial) | | regional-scale studies, thermodynamic modelling, new and emerging analytical techniques and experimental...was pioneered by Pitcairn et al. (2006) in the Otago Schist, where they demonstrated that highergrade...metals (As, Mo, Au, Ag, Sn, W, Cd and Hg). The Otago Schist was ideal for study because it is devoid...ďŹuid inclusions at the Phanerozoic world-class Macraes mine (Goodwin et al. 2017); (2) stable carbon isotope...al. 2018); and (4) boron stable isotopes from tourmaline in Archaean (MolnĂĄr et al. 2016) and Palaeoproterozoic |  | | Journal (article/letter/editorial) | | gold deposits, Reefton goldfield, South Island, New Zealand Received: 20 January 2001 / Accepted: 28 January...prior to 1951, and recent exploration has identiďŹed new gold resources in several deposits, including the...Accessory minerals are graphite, apatite, zircon, tourmaline and titanite. Hydrothermal alteration of the...Sciences Limited, P.O. Box 31-312, Lower Hutt, New Zealand E-mail: t.christie@gns.cri.nz Tel.: +64-4-5701444...assistance to exploration. Keywords Alteration Ă New Zealand Ă Orogenic gold Ă Reefton Introduction The Reefton |  | | Journal (article/letter/editorial) | | structuralrelations,and a long known and well prospected region with numerousmines and prospects. The study of...over 200 miles. In the northeasternpart of the region the pre-Cambriansedimentaryrocksin which the veins...found particularly in the southwesternpart of the region. The chief intrusive rock is granite, which is...miles acro.sg,are found in the easternpart of the region,and a largeoneoccupiessomehundreds of squaremilesin...alsooccurat somedistancefrom them. Detailed work 3 in the New Ross Area has shown that two typesof graniteare |  | | Journal (article/letter/editorial) | | Permo-Carboniferous granitoid intrusions of the New England Orogen. Mineralisation occurred at a range...White P. M. Ashley (&) Earth Sciences, University of New England, 2351 Armidale, NSW, Australia E-mail: pashley@metz...Geology Department, University of Otago, PO Box 56, Dunedin, New Zealand structural levels in the one deposit...a whole, and relate these features to the local mine scale. These observations are then linked to the...late Palaeozoic to Fig. 1A Southern portion of the New England Orogen with location of the Hillgrove district |  | | Journal (article/letter/editorial) | | Journal of Science Yale University, P.O. Box 208109, New Haven, CT 06520-8109, Email: ajs@yale.edu, Phone...Corporation, 315 Madison Ave., Third Floor, Suite 3070, New York, NY 10017, USA, Email: geofluids@hindawi.com...University Press, One Liberty Plaza, 20th Floor, New York, NY 10006, USA, Email: subscriptions_newyork@cambridge...Nature Publishing Group, 75 Varick Street, 9th Floor, New York, NY 10013-1917, Email: subsciptions@natureny...Nature Publishing Group, 75 Varick Street, 9th Floor, New York, NY 10013-1917, Email: subsciptions@natureny |  | Huang, Shiqiang, Song, Yucai, Hou, Zengqian, Xue, Chuandong (2016) Chemical and stable isotopic (B, H, and O) compositions of tourmaline in the Maocaoping vein-type Cu deposit, western Yunnan, China: Constraints on fluid source and evolution. Chemical Geology, 439. 173-188 doi:10.1016/j.chemgeo.2016.06.031 | Journal (article/letter/editorial) | | stable isotopic (B, H, and O) compositions of tourmaline in the Maocaoping vein-type Cu deposit, western...June 2016 Available online 1 July 2016 Keywords: Tourmaline BâHâO isotopes Fluid source and evolution Me...compositions of three stages of ore-related hydrothermal tourmaline in the newly discovered Maocaoping vein-type...and B isotopic compositions of magmatic tourmaline (tourmaline-G) from a neighboring peraluminous granitic...sedimentary rocks. Early- to late-stage hydrothermal tourmaline occurs as vein-related alteration halos (tourmalineA) |  | | Journal (article/letter/editorial) | | natural intermetallic compounds of Pd, Pt, Cu, and Sn: New data and implicationsâAndrei Y. Barkov and Robert...Strelâtsovka uranium ore field, eastern Baikal regionâI.V. Chernyshev, V.N. Golubev, A.P. Aleshin, and...epithermal mineralisation, Coromandel volcanic zone, New Zealandâ Ayrton Hamilton, Kathleen Campbell, Julie Rowland...geochemical mapping of the Mount Pinatubo-Dizon Mine area, the Philippines: Implications for mineral...patterns around an ancient gold mine in the Wadi El Quleib area of the Allaqi region, south Eastern Desert of |  | | Journal (article/letter/editorial) | | Lyubimtseva, N.S. Bortnikov, and S.E. Borisovsky 530 A new model of a unique Schlema-Alberoda five-element deposit...skarn-porphyry Cu-Au-Fe deposit, eastern Transbaikal region, Russia: Genetic implicationsâV.A. Kovalenker,...alluvial placers of the Krasnovishersky district (Ural region)â E.A. Vasilev, I.V. Klepikov, and L.I. Lukianova...district, Guangdong, south China): Identification of a new potential Nb-Ta mineralization typeâZhaoyu Yang,...RUNDSCHAU) Vol. 109, No. 1, 2020 Al Fawakhir gold mine as a geosite, Eastern Desert, EgyptâKholoud M. AbdelMaksoud |  | Lund, K., Tysdal, R. G., Evans, K. V., Kunk, M. J., Pillers, R. M. (2011) Structural Controls and Evolution of Gold-, Silver-, and REE-Bearing Copper-Cobalt Ore Deposits, Blackbird District, East-Central Idaho: Epigenetic Origins. Economic Geology, 106 (4) 585-618 doi:10.2113/econgeo.106.4.585 | Journal (article/letter/editorial) | | deposits within an intact stratigraphic section. New studies indicate that, across the district, mineralization...chalcopyrite and pyrite, whereas intermediate-stage tourmaline-biotite veins host the cobaltite. Barren early...allanite, and xenotime, are associated with both tourmaline-biotite and late quartz veins. The veins are...scavenging of metals (Co, Cu, etc) from rocks in the region, and, finally, concentrating metals in the lower-plate...Corp., 2006b). Estimated resources at the Blackpine mine are 1 Mt with 4.5 percent Cu, 0.08 percent Co, and |  | | Journal (article/letter/editorial) | | recrystallized muscovite and chlorite, which define a new foliation bedding around disrupted primary metavolcanic... quartz; Ser, sericite; Sp, sphalerite; Tou, tourmaline. assemblage and alteration intensity, from ore...mylonitic host rock. Native gold is granular or flat (5â20 âŽm) and is distributed in the grain boundary...quartz substrate, rather than by precipitation of new quartz (Dowling & Morrison, 1989). Microscopic sulfide...Po, pyrrhotite; Py, pyrite; Qtz, quartz; Tou, tourmaline. Bars: aâf, 25 âŽm; g, 200 âŽm; h, 100 âŽm. deposit |  | | Journal (article/letter/editorial) | | Frankel, Peter R. Buseck, and MihĂĄly PĂłsfai Tourmaline-bearing rocks in the Singhbhum shear zone, eastern...consolidation and costs âPaul Burton Increasing gold demand: New industrial applicationsâ Christopher W. Corti and...labile metals in acid rock drainage springs, New Zealand: Field application of anodic stripping voltammetryâ...the waste rocks of the abandoned Seobo tungsten mine, KoreaâPyeong-koo Lee, Min-Ju Kang, Sang-Hoon Choi...of detrital zircons from the Treasure Lake Groupânew evidence for Paleoproterozoic collisional tectonics |  | | Journal (article/letter/editorial) | | Nevada Tien Shan Indonesia USA USA Peru Papua New Guinea Papua New Guinea USA USA Alaska Dominincan Rep. Archean...occurrence reďŹecting more than just the gold source region. Stable isotope studies (O, H, C, S and N) have...these isotopes may reďŹect one or more of source region, pathway and depositional sites the studies are...1â2 km by 1â2 km by 1â20 m Barton Deeps at Jundee mine Deposit Ore shoot Several geographically related...formational process must be reproducible across a region of thousands of square kilometres at a broadly |  | | Journal (article/letter/editorial) | | Journal Pre-proof Tourmaline, scheelite, and magnetite compositions from orogenic gold deposits and glacial...article as: D. Grzela, G. Beaudoin and Ă. BĂŠdard, Tourmaline, scheelite, and magnetite compositions from orogenic...Published by Elsevier. Journal Pre-proof 1 Tourmaline, scheelite, and magnetite compositions from orogenic...interest : none. Journal Pre-proof 2 Abstract Tourmaline, scheelite, and magnetite from orogenic gold...exploration. Three types of tourmaline are recognized. Type I tourmaline from deposits hosted in felsic |  | | Journal (article/letter/editorial) | | orogenic gold ores, where, among other things, tourmaline and the tellurides are listed as their typical...suggests an important conclusion on the presence of tourmaline as a major mineral in wallrock metasomatites;...processes of orogeny, probably associated with the new stage of the Earthâs evolution (Larin, 1980; Gorai...faults or anticlinal domes MesozoicCenozoic Otago (Macraes), Tombstone Belt (Fort Knox, Pogo, Scheelite...Ca-Fe-Mg carbonates, chlorite, albite, pyrite, tourmaline erals P-T conditions 220â500°Х, 0.5â4 kb Ore |  | Jiao, Qianqian, Wang, Lixing, Deng, Teng, Xu, Deru, Chen, Genwen, Yu, Deshui, Ye, Tingwei, Gao, Yiwen (2017) Origin of the ore-forming fluids and metals of the Hetai goldfield in Guangdong Province of South China: Constraints from C-H-O-S-Pb-He-Ar isotopes. Ore Geology Reviews, 88. 674-689 doi:10.1016/j.oregeorev.2017.04.005 | Journal (article/letter/editorial) | | whereas the ore fluids of the Macraes orogenic gold deposit in New Zealand contain no mantle components...published fluid inclusion and geochronologic data, the new isotopic data obtained in this study aim to further...In contrast, Li and Li (2007) invoked a Mesozoic flat-slab subduction model of the paleo-Pacific plate...Hehai deposit. 5.3 C-O isotope compositions Eleven new δ13C and δ18O data of calcite samples with three...1978; Kendrick et al., 2001). Given that the tourmaline in the Hetai goldfield is schorl rather than |  | | Journal (article/letter/editorial) | | schistose rocks are also found in the Ramagiri region. The schistose and phyllitic rocks are best exposed...(through Ramagiri) in the south. In the Ramagiri region the belt attains a trident shape, where it is flanked...the ore in the RGF was mined at the D Yeppamana Mine (~1.03 t of gold between 1984 and 2001) lying in...mining sites at AC CE P Power House Mine and south Jibutil Mine lie on the main belt striking NNW-SSE...developed mine at 9 ACCEPTED MANUSCRIPT Yeppamana was closed in 2001. Therefore, no detailed mine-scale |  | Neyedley, Kevin, Hanley, Jacob J., Fayek, Mostafa, Kontak, Daniel J. (2017) Textural, Fluid Inclusion, and Stable Oxygen Isotope Constraints on Vein Formation and Gold Precipitation at the 007 Deposit, Rice Lake Greenstone Belt, Bissett, Manitoba, Canada. Economic Geology, 112 (3) 629-660 doi:10.2113/econgeo.112.3.629 | Journal (article/letter/editorial) | | greenstone belt, Canada, Smith et al., 1984; Sigma mine, Abitibi greenstone belt, Canada, Robert and Kelly...district, United States, Caddey et al., 1991; Rice Lake mine, Rice Lake greenstone belt, Canada, Ames et al....gold belt, Ghana, OberthĂźr et al., 1996; Siscoe mine, Abitibi greenstone belt, Canada, Olivo and Williams-Jones...greenstone belt, Canada, DubĂŠ et al., 2004; Giant mine, Yellowknife greenstone belt, Canada, Shelton et...craton, Australia, Duuring et al., 2004; Hoyle Pond mine, Abitibi greenstone belt, Canada, Dinel et al., |  | | Journal (article/letter/editorial) | | distinguished isotopically. Furthermore, by integrating the new data with previously published results, issues of...arsenopyrite) but also include a variety of silicates (tourmaline, garnet, epidote, plagioclase, K-feldspar, muscovite...high-temperature mineral assemblage (e.g. amphiboleâgarnetâtourmalineâ plagioclase) and also containing BiâTe phases...fold structures of box- and chevron style in the region (Fig. 2a). The area is underlain by rocks of the...whereas the en echelon veins would represent the flat veins. That vein emplacement was late relative to |  | | 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) | | oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar datingâEdwin...Preliminary 3-D geological model of the Kalgoorlie region, Yilgarn Craton, Western Australia, based on deep...data from the Willyama Supergroup, Broken Hill region, Australia: evidence for three tectonostratigraphic...Trapping and mobilization of arsenic and lead in former mine tailings. Environmental conditions effectsâA. Courtin-Nomade...dissolution of pyritic sludge from the AznalcĂłllar mine (SW Spain)âC. Domènech, J. de Pablo, and C. Ayora |
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