 | | Journal (article/letter/editorial) | | in the Kalgoorlie-Kambalda area, Western Australia: constraints on gold mineralization in the Boulder Lefroy-Golden...Au to 2015) in the Archean Yilgarn Craton, Western Australia. The fault system links the Kalgoorlie and...continental-margin orogen subdivided into the western Kalgoorlie ensialic rift and the eastern Kurnalpi...at high strain. Biotite-sericite alteration and gold-pyrite mineralization in the BLF-GMF system took...pervasive anhydrite-pyrite mineralization of low gold grade (0.4 g/ t). Biotite-sericite-pyrite ore bodies |  | | Journal (article/letter/editorial) | | 453â478 The Nevoria Gold Skarn Deposit, Southern Cross Greenstone Belt, Western Australia: II. Pressure-Temperature-Time...Geologist, 12a Belgrave Street, Maylands, Western Australia 6051, Australia ALEXANDER A. NEMCHIN, Department...Technology, Kent Street, Bentley, Western Australia 6102, Australia AND ROBERT FREI Kobenhavns Universitet...(production 11.88 t Au, 0.41 t Ag) is one of more than 20 gold skarns mined in the 3.1 to 3.0 Ga Southern Cross...setting differs from that of the mezozonal lode gold deposits in the adjacent fold belt, which are controlled |  | | Corporate Document | | 4788 M 10.2 / 2003 / 1 Exploration for orogenic gold deposits Short course NOTES TO ACCOMPANY HAND SPECIMEN...SOUTH AFRICA 10.1 Western Deeps 10.2 Fairwiew 10.3 Renco 11. CANADA 11.1 Wawa AUSTRALIA 12 Ultramafic host...Cosmo Howley 15.8 Yilgarn Star 15.9 Kundana 15.10 Chalice 15.11 Griffin's Find 16. Banded iron formation...oxide-copper-gold deposits 17.1 Osborne Acknowledgements References Appendix 1. Location of Finnish gold occurrences...described in the report Appendix 2. Location of gold occurrences from Central Lapland described in the |  | | Journal (article/letter/editorial) | | 1007/s00126-013-0466-3 ARTICLE Multistage gold mineralization at the Lapa mine, Abitibi Subprovince: insights into...Springer-Verlag Berlin Heidelberg 2013 Abstract The Lapa gold deposit contains reserves of 2.4 Mt at 6.5 g/t Au...Subprovince from the Pontiac Subprovince to the south. Gold mineralization is predominantly hosted in highly... and native gold disseminated in biotite- and carbonate-altered wall rocks. Native gold, which is also...association. At vertical depth greater than 1 km, gold is associated with arsenopyrite and pyrrhotite (AuâAs |  | | Journal (article/letter/editorial) | | 1007/s00126-012-0416-5 ARTICLE Two stages of gold mineralization at Hutti mine, India A. J. Rogers & J. Kolb & F...2012 # Springer-Verlag 2012 Abstract The Hutti gold mine is located in a high-angle, NNWâSSE-trending shear...occurred synchronous with two distinct stages of gold mineralization, both of which were associated with...metamorphic fluid with a d 18 OH 2 O of 7.5â 10.1â°, rich in K, S, As, and Au at pressure and temperature conditions...central to the shear zone, containing locally visible gold at concentrations of up to 1 kg Au/t. The laminated |  | Grandjean da Costa, Felipe, Luiz Klein, Evandro, Harris, Chris, Roopnarain, Sherissa (2019) Fluid inclusion and stable isotope (O, H, C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: An example of hypozonal orogenic gold mineralization. Ore Geology Reviews, 107. 476-500 doi:10.1016/j.oregeorev.2019.03.007 | Journal (article/letter/editorial) | | C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil:...Brazil: an example of hypozonal orogenic gold mineralization Felipe Grandjean da Costa, Evandro Luiz Klein...C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil:...Brazil: an example of hypozonal orogenic gold mineralization, Ore Geology Reviews (2019), doi: https://doi...C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: |  | | Journal (article/letter/editorial) | | Orogenic Gold Mineralization from a Deep-Seated Fluid Source at ca 2.65 Ga in the Laverton Gold Province...Province, Western Australia BROCK P. SALIER, DAVID I. GROVES,â NEAL J. MCNAUGHTON, AND IAN R. FLETCHER Centre... University of Western Australia, Crawley 6009, Western Australia Abstract Many gold deposits in the...were structural traps controlling the siting of the gold deposits. New regional-scale stable isotope data...compositions of ore and gangue minerals from nine different gold deposits in the Laverton greenstone belt fall in |  | | Journal (article/letter/editorial) | | Alteration, and Gold Mineralization in the Genetic Context of the Granodiorite-Hosted Gold Deposit at Jonnagiri...of Technology, Kharagpur 721302, India Abstract Gold mineralization at Jonnagiri is hosted in laminated...involving peak conditions at ~5 kbar and 500°C. Gold mineralization is characterized by a chlorite +...Whereas the proximal zone had significant gain in S, C, K, Si, and Rb and depletion of Ca, Mg, and Fe, the inner...alteration zone is typified by major addition of Si, K, S, C, and Au. General depletion of rare earth elements |  | Bell, Robin-Marie, Kolb, Jochen, Waight, Tod Earle, Bagas, Leon, Thomsen, Tonny B. (2017) A Palaeoproterozoic multi-stage hydrothermal alteration system at Nalunaq gold deposit, South Greenland. Mineralium Deposita, 52 (3) 383-404 doi:10.1007/s00126-016-0667-7 | Journal (article/letter/editorial) | | multi-stage hydrothermal alteration system at Nalunaq gold deposit, South Greenland Robin-Marie Bell 1,2 &...Heidelberg 2016 Abstract Nalunaq is an orogenic, high gold grade deposit situated on the Nanortalik Peninsula...operating metalliferous mine until its closure in 2014, having produced 10.67 t of gold. This study uses a...metamorphism and prior to gold-quartz vein formation. The ca. 1783â1762-Ma gold-quartz veins are hosted...exceptionally high gold grades. Aplite dykes dated to ca. 1762 Ma cross-cut the gold-quartz veins, providing |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson, LuleĂ„ University of Technology.................. 937 Jens C. Ă. Andersen, Gavyn K. Rollinson & Duncan Pirrie The Ioko-Dovyren layered...from the Lac-des-Iles palladium ore deposits, Western Ontario, Canada ........ 978 Charley J. Duran...variation of chromite in the UG-2 chromitite, western Bushveld Complex, South Africa .............. |  | Zhao, Kai, Yao, Huazhou, Wang, Jianxiong, Ghebretnsae, Ghebsha Fitwi, Xiang, Wenshuai, Xiong, Yi-Qu (2019) Genesis of the Koka Gold Deposit in Northwest Eritrea, NE Africa: Constraints from Fluid Inclusions and CâHâOâS Isotopes. Minerals, 9 (4) 201 doi:10.3390/min9040201 | Journal (article/letter/editorial) | | minerals Article Genesis of the Koka Gold Deposit in Northwest Eritrea, NE Africa: Constraints from...2019; Published: 27 March 2019 Abstract: The Koka gold deposit is located in the Elababu shear zone between...study, two main stages of gold mineralization were identified in the Koka gold deposit: (1) an early stage...stage of pyriteâchalcopyriteâ sphaleriteâgalenaâgoldâquartz vein; and (2) a second stage of pyriteâquartz...those of orogenic gold deposits, suggesting that the Koka deposit might be an orogenic gold deposit related |  | Duuring, P., Hagemann, S. G., Cassidy, K. F., Johnson, C. A. (2004) Hydrothermal Alteration, Ore Fluid Characteristics, and Gold Depositional Processes along a Trondhjemite-Komatiite Contact at Tarmoola, Western Australia. Economic Geology, 99 (3) 423-451 doi:10.2113/gsecongeo.99.3.423 | Journal (article/letter/editorial) | | Characteristics, and Gold Depositional Processes along a Trondhjemite-Komatiite Contact at Tarmoola, Western Australia...University of Western Australia, Crawley, W.A. 6009, Australia KEVIN F. CASSIDY, Geoscience Australia, Canberra...Canberra, A.C.T. 2601, Australia AND CRAIG A. JOHNSON U. S. Geological Survey, Mail Stop 963, Denver Federal...Tarmoola is a structurally controlled Archean orogenic gold deposit hosted in greenschist facies metamorphosed...north-southâstriking, Tarmoola trondhjemite intrusion. Gold-bearing veins postdate trondhjemite emplacement |  | Naleto, JoĂŁo LuĂs Carneiro, Perrotta, MĂŽnica Mazzini, Costa, Felipe Grandjean da, Souza Filho, Carlos Roberto de (2019) Point and imaging spectroscopy investigations on the Pedra Branca orogenic gold deposit, Troia Massif, Northeast Brazil: Implications for mineral exploration in amphibolite metamorphic-grade terrains. Ore Geology Reviews, 107. 283-309 doi:10.1016/j.oregeorev.2019.02.019 | Journal (article/letter/editorial) | | spectroscopy investigations on the Pedra Branca orogenic gold Deposit, Troia Massif, Northeast Brazil: Implications...spectroscopy investigations on the Pedra Branca orogenic gold Deposit, Troia Massif, Northeast Brazil: Implications...spectroscopy investigations on the Pedra Branca orogenic gold Deposit, Troia Massif, Northeast Brazil: Implications...Declarations of interest: none Abstract The Pedra Branca gold Deposit is a recent discovery conducted by private...Province, Northeast Brazil. It comprises an orogenic gold deposit hosted by the amphibolite-facies Serra das |  | | Journal (article/letter/editorial) | | 1080/00206814.2014.935964 Re-Os geochronology of gold mineralization in the Fawakhir area, Eastern Desert...report the ïŹrst Re-Os data on gold-associated arsenopyrite from mesothermal gold-quartz veins in the ancient...ancient Egyptian FawakhirâEl Sid gold mining district in the central Eastern Desert. This mining district...geographic map, as well as the oldest geologic and mine map. The FawakhirâEl Sid district is part of a regional...corridor (15 km wide) that hosts several other historic gold mines associated with left-lateral wrench structures |  | | Book | | Evolution of Ore-Forming Fluid and Gold-Deposition Processes at the Sanshandao Gold Deposit, Jiaodong Peninsula...Liu Ore-Fluid Evolution of the Sizhuang Orogenic Gold Deposit, Jiaodong Peninsula, China Reprinted from:...Wenshuai Xiang and Yi-Qu Xiong Genesis of the Koka Gold Deposit in Northwest Eritrea, NE Africa: Constraints...in the Jinqingding Gold Deposit, Jiaodong Peninsula, China: Implications for the Gold Precipitation Mechanism...Reaction and Ore-Forming Processes in the Phapon Gold Deposit, NW Laos Reprinted from: Minerals 2018, |  | | Report (issue) | | 2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204.4 lead 207.2...Photograph courtesy of the U.S. Department of Energy Western Area Power Administration. Back cover. A handful...Geological Survey U.S. Department of the Interior RYAN K. ZINKE, Secretary U.S. Geological Survey William H...Congress Cataloging-in-Publication Data Names: Schulz, K. J., editor. | Geological Survey (U.S.), issuing body...discovered and produced from across the country. Ryan K. Zinke Secretary of the Interior v Preface Mineral |
|
