 | | Journal (article/letter/editorial) | | Melt during Pelite Anatexis at the Challenger Deposit, South Australia: A Metamorphosed Archean Gold Deposit...Australian National University, Canberra, A.C.T., Australia 0200 AND JOHN A. MAVROGENES Department of Geology...Australian National University, Canberra, A.C.T., Australia 0200, and Research School of Earth Sciences, Australian...Canberra, A.C.T., Australia 0200 Abstract The Challenger gold deposit in South Australia is hosted by pelitic...and other silicates. Textures developed between pyrrhotite, löllingite, arsenopyrite, and gold; the lack |  | | Journal (article/letter/editorial) | | Australian National University, Canberra, A.C.T., Australia 0200 AND JOHN A. MAVROGENES Department of Geology...Australian National University, Canberra, A.C.T., Australia 0200 Abstract The association of gold and Fe...deposits is ubiquitous. Arsenopyritelöllingite-pyrrhotite-gold textures in amphibolite to granulite facies...Western Australia; Mount York (Neumayr et al., 1993) in the Pilbara craton, Western Australia; and the...the Challenger deposit in the Gawler craton, South Australia (this study). Based partly on textural interpretations |  | | Journal (article/letter/editorial) | | Geosciences, Monash University, PO Box 28E, Victoria, Australia 3800 e-mail: andy.tomkins@sci.monash.edu.au C...Sciences, Australian National University, A.C.T., Australia 0200 Felsic magma-related ore deposits are Earthâs...Kenriched. The Broken Hill Block in western New South Wales contains examples of this shear zone K-enrichment...are, in addition to gold, dominated by pyrite, pyrrhotite, and arsenopyrite, but minor and varying amounts...metamorphosed. The Victorian Goldfields, in southeast Australia, have produced over 2,500 t of Au (Wilde et al |  | | Journal (article/letter/editorial) | | facies metamorphic overprint at the challenger Au deposit, South Australia Chris R.M. McFarlane a,â, John...Earth Sciences, Mills Road, Canberra ACT 0200, Australia Australian National University, Research School...Sciences, Australia c School of Geosciences, Monash University, PO Box 28E, Victoria, 3800, Australia Received...Editor: D. Rickard Abstract The Challenger Gold Mine, South Australia, is hosted in granulite-facies migmatitic.../ Chemical Geology 243 (2007) 64â89 North America and Australia. If we endeavour to make the new discoveries |  | | Journal (article/letter/editorial) | | Lithogeochemistry of the Tropicana Deposit, Western Australia Anthony J. Crawford1,â and Mark G. Doyle2,3 1...7000, Australia 2 AngloGold 3 School Ashanti Australia Ltd, PO Box Z5046, Perth, Western Australia 6831...6831, Australia of Earth and Environmental Sciences, James Cook University, Townsville, Queensland 4811...4811, Australia Abstract The Tropicana gold deposit (7.9 Moz) is hosted by the Neoarchean, amphibolite-...elements of the Albany-Fraser orogen, Western Australia. The gneissic host package to the orebody originally |  | | Journal (article/letter/editorial) | | Palaeoproterozoic evolution of the Challenger Au deposit, South Australia, from monazite geochronology C...Exploration & Mining, Mills Road, Canberra ACT 0200, Australia (chris.mcfarlane@anu.edu.au) ABSTRACT Monazite...migmatites (Christie Gneiss) hosting the Challenger Au deposit, South Australia, records a series of growth and...INTRODUCTION The Challenger Mine, located 150 km southwest of Coober Pedy, South Australia (Fig. 1), hosts...Tomkins & Mavrogenes (2001, 2002) argued that Challenger is more realistically interpreted as a metamorphosed |  | | Journal (article/letter/editorial) | | Australian National University, Canberra, A.C.T. 0200, Australia ANDREW G. TOMKINS Department of Geology, Australian...Australian National University, Canberra, A.C.T. 0200, Australia ABSTRACT Minor elements, such as Ag, As, Au and...our observations at the Broken Hill orebody in Australia and experimental results in the literature, we... where arsenopyrite and pyrite react to form pyrrhotite and an AsâS melt. The melt forming between 500°...arsĂ©nopyrite + pyrite rĂ©agissent pour former pyrrhotite et un liquide AsâS. Entre 500° et 600°C, dĂ©pendant |  | Juul-Pedersen, Astrid, Frei, Robert, Appel, Peter W.U., Persson, Mac Fjellerad, Konnerup-Madsen, Jens (2007) A shear zone related greenstone belt hosted gold mineralization in the Archean of West Greenland. A petrographic and combined PbâPb and RbâSr geochronological study. Ore Geology Reviews, 32 (1) 20-36 doi:10.1016/j.oregeorev.2007.01.002 | Journal (article/letter/editorial) | | but its presence in löllingiteâarsenopyriteâpyrrhotite parageneses is prevalent. To a lesser extent...deposition of the gold-bearing löllingiteâarsenopyriteâpyrrhotite assemblage on StorĂž: In the first stage, arsenopyrite...gold-bearing arsenopyrite was replaced by löllingite and pyrrhotite. This took place during regional prograde metamorphism...retrograde metamorphic conditions, löllingite and pyrrhotite reacted and formed arsenopyrite, and gold was...affected the gold-bearing löllingiteâarsenopyriteâpyrrhotite assemblage. The isotopic composition of Pb released |  | | Journal (article/letter/editorial) | | 28E, Monash University, Melbourne, Victoria, Australia 3800 Abstract The crustal continuum model has...in the southwestern Yilgarn Block in Western Australia, which was previously interpreted to have formed...Find gold deposit, located in southern Western Australia (Fig. 1), is widely used to represent the high-temperature...based on analysis of arsenopyrite-löllingite-pyrrhotite-gold textures (Barnicoat et â Corresponding ...terrane in the southwestern Yilgarn Block, Western Australia. Modified from Wilde et al. (1996). whether gold |  | Reid, Anthony, Flint, Richard, Maas, Roland, Howard, Katherine, Belousova, Elena (2009) Geochronological and isotopic constraints on Palaeoproterozoic skarn base metal mineralisation in the central Gawler Craton, South Australia. Ore Geology Reviews, 36 (4) 350-362 doi:10.1016/j.oregeorev.2009.09.001 | Journal (article/letter/editorial) | | base metal mineralisation in the central Gawler Craton, South Australia Anthony Reid a,â, Richard Flint...Industries and Resources South Australia, PO Box 1671, Adelaide, 5001, SA, Australia Minotaur Exploration...5065, SA, Australia School of Earth Sciences, University of Melbourne, 3010, Victoria, Australia d School...Environmental Sciences, University of Adelaide, 5005, SA, Australia e ARC National Key Centre for Geochemical Evolution...Planetary Sciences, Macquarie University, NSW 2109, Australia b c a r t i c l e i n f o Article history: |  | Morey, A. A., Tomkins, A. G., Bierlein, F. P., Weinberg, R. F., Davidson, G. J. (2008) Bimodal Distribution of Gold in Pyrite and Arsenopyrite: Examples from the Archean Boorara and Bardoc Shear Systems, Yilgarn Craton, Western Australia. Economic Geology, 103 (3) 599-614 doi:10.2113/gsecongeo.103.3.599 | Journal (article/letter/editorial) | | Bardoc Shear Systems, Yilgarn Craton, Western Australia ANTHONY A. MOREY, predictive mineral discovery*Cooperative...Geosciences, Monash University, Clayton, Victoria 3800, Australia ANDREW G. TOMKINS,â School of Geosciences, P...28E, Monash University, Clayton, Victoria 3800, Australia FRANK P. BIERLEIN, Centre for Exploration Targeting... University of Western Australia, Crawley, Western Australia 6009, Australia ROBERTO F. WEINBERG, School...Geosciences, Monash University, Clayton, Victoria 3800, Australia AND GARRY J. DAVIDSON ARC Centre of Excellence |  | | Journal (article/letter/editorial) | | University, Canberra, ACT 0200, Australia Abstract Galena, pyrrhotite, and chalcopyrite in samples of...1 bar, galena and sphalerite coexisting with pyrrhotite of the compositions found at Broken Hill would...the Broken Hill block in northwestern New South Wales, Australia (Fig. 1). The intense deformation that...(1980). Inset shows the location of Broken Hill in Australia. 869 Submitted: October 17, 2010 Accepted: March...EXTENSIVE MELTING OF THE BROKEN HILL OREBODY, AUSTRALIA TABLE 1. Composition of the Various Ore Lodes |  | | Journal (article/letter/editorial) | | Callie gold deposit, Tanami Region of northern Australia Nicholas C. Williams Received: 11 April 2005...Geoscience Australia, GPO Box 378, Canberra, Australian Capital Territory, 2601, Australia Present address:...Marsh 1998), and the Groundrush deposit, 100 km north of The Granites (Huston et al. 2006). The deposits...undertaken at the Callie mine. Five diamond drill holes were logged in detail on northâsouth sections 596000 and...and 602000 mE (UTM Map Grid of Australia zone 52) through the ore zone. A total of 335 samples were collected |  | Doyle, M. G., Fletcher, I. R., Foster, J., Large, R. R., Mathur, R., McNaughton, N. J., Meffre, S., Muhling, J. R., Phillips, D., Rasmussen, B. (2015) Geochronological Constraints on the Tropicana Gold Deposit and Albany-Fraser Orogen, Western Australia. Economic Geology, 110 (2) 355-386 doi:10.2113/econgeo.110.2.355 | Journal (article/letter/editorial) | | Gold Deposit and Albany-Fraser Orogen, Western Australia Mark G. Doyle,1,â Ian R. Fletcher,2 Jeff Foster...44 St. Georges Terrace, Perth, Western Australia 6000, Australia 2 Institute for Geoscience Research...Research, Curtin University, Perth, Western Australia 6845, Australia 3 CODES, 4 Department 5 John 6 Centre...University of Tasmania, Hobart, Tasmania 7001, Australia of Geology, Juniata College, 1700 Moore Street...Research, Curtin University, Perth, Western Australia 6845, Australia for Microscopy, Characterization and |  | | Journal (article/letter/editorial) | | University, P.O. Box 28E, Melbourne, Victoria 3800, Australia e-mail: andy.tomkins@sci.monash.edu.au occurred... Some, such as McArthur River and Century in Australia, are only very slightly metamorphosed and deformed...deformed. Others, such as Broken Hill, also in Australia, have been metamorphosed at granulite facies conditions...composition. In the mine area, these metamorphic rocks strike roughly northâsouth and dip âŒ60° to the...g/t Au, 70 g/t Ag) was mined from the Tetreault mine, and 102,000 t (grading 2.9% Zn, 0.9% Pb, 34 g/t |  | Brando Soares, Mariana, CorrĂȘa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson AndrĂ©, de Almeida, AntĂŽnio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de AraĂșjo, Manduca, Luedson GuimarĂŁes, AraĂșjo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal SĂŁo SebastiĂŁo gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | magnetite, where the main developed phases are: pyrrhotite, chalcopyrite, arsenopyrite, pyrite and arsenian-pyrite...arsenian-pyrite. Native Au occurs as inclusions in pyrrhotite formed at dilatation domains (e.g., breccias...Nevoria skarn deposit in the Yilgarn Craton, Australia (Mueller et al., 1997, 2004), where Fe-rich and...in amphibolite-facies terrains, as in Western Australia, the Superior and Slave provinces in Canada, India...Ag-rich gold (electrum), native Bi, tourmaline, pyrrhotite, chalcopyrite, and notably bismuth tellurides |  | Steadman, Jeffrey A., Large, Ross R. (2016) Synsedimentary, Diagenetic, and Metamorphic Pyrite, Pyrrhotite, and Marcasite at the Homestake BIF-Hosted Gold Deposit, South Dakota, USA: Insights on Au-As Ore Genesis from Textural and LA-ICP-MS Trace Element Studies. Economic Geology, 111 (7) 1731-1752 doi:10.2113/econgeo.111.7.1731 | Journal (article/letter/editorial) | | Metamorphic Pyrite, Pyrrhotite, and Marcasite at the Homestake BIF-Hosted Gold Deposit, South Dakota, USA: Insights...7001, Australia Abstract The Paleoproterozoic Homestake deposit, northern Black Hills, South Dakota...typical diagenetic pyrite. LA-ICP-MS imaging of pyrrhotite in the same rocks reveals multistage growth in...Tl relative to all generations of pyrite and pyrrhotite. Mass-balance calculations indicate that the...the volume of upper Poorman Formation in the mine area (approx. 12 km3) could potentially yield ~4,500 t |  | Phillips, G.N., Vearncombe, J.R., Anand, R.R., Butt, C.R.M., Eshuys, E., Groves, D.I., Smith, R.E. (2019) The role of geoscience breakthroughs in gold exploration success: Yilgarn Craton, Australia. Ore Geology Reviews, 112. 103009 doi:10.1016/j.oregeorev.2019.103009 | Journal (article/letter/editorial) | | in gold exploration success: Yilgarn Craton, Australia G.N. Phillips, J.R. Vearncombe, R.R. Anand, C...in gold exploration success: Yilgarn Craton, Australia, Ore Geology Reviews (2019), doi: https://doi...in gold exploration success: Yilgarn Craton, Australia G.N. Phillipsa,b,c,*,neil@phillipsgold.com.au...of Melbourne, Australia cDepartment dSJS P/L, Box 3 Central Park Victoria 3145 Australia of Earth Sciences...University, South Africa. Resource Management Pty Ltd, Box 1093 Canning Bridge 6153 WA Australia eCSIRO |  | | Journal (article/letter/editorial) | | BLOCK DURING THE EARLY MESOPROTEROZOIC (NEW SOUTH WALES, AUSTRALIA) NICOLAS J. SAINTILAN§ Department of Earth...deposit, southern Curnamona Province, New South Wales, Australia. Sulfarsenide and sulfide minerals comprise...the Broken Hill Zn-Pb-Ag deposit in New South Wales, Australia. (b) Regional geology in the Broken Hill...conversion of arsenopyrite to loÌllingite and pyrrhotite, rather than arsenopyrite melting (Pokrovski...with the Broken Hill Pb-Zn-Ag deposit, New South Wales, Australia (Fig. 1; Spry & Wonder 1989, Plimer 2006) |  | | Journal (article/letter/editorial) | | P.O. Box 28E, Monash University, Vic. 3800, Australia Received 28 September 2009; accepted in revised...constrain the P-T range of pyrite breakdown to pyrrhotite (which liberates sulfur) in common metamorphic...largely derived from breakdown of pyrite (FeS2) to pyrrhotite (Fe1xS) during regional metamorphism, which...others (e.g., complete conversion of pyrite to pyrrhotite in a 1 Mt massive sulïŹde deposit with 20% pyrite...are also favourable for break down of pyrite to pyrrhotite. Pyrite is a widespread trace component of many |  | Basson, I.J., McCall, M.-J., Andrew, J., Daweti, E. (2018) Structural controls on mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia. Ore Geology Reviews, 95. 931-944 doi:10.1016/j.oregeorev.2018.03.028 | Journal (article/letter/editorial) | | Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia I.J. Basson, M.-J. McCall...Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia, Ore Geology Reviews (2018)...Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia I.J. Bassona,c,*, M.-J. McCalla...20 Gardner Williams Ave, Somerset West, South Africa b North River Resources, 84 Dr Frans Indongo Street...X1, Matieland, 7602, South Africa Abstract The Namib Lead and Zinc (Pb-Zn) Mine is hosted within the |  | | Journal (article/letter/editorial) | | EXISTENCE OF A SULFIDE PARTIAL MELT AT BROKEN HILL, AUSTRALIA HEATHER A. SPARKS â AND JOHN A. MAVROGENES Research...Australian National University, Canberra, ACT, 0200, Australia and Department of Earth and Marine Sciences, Australian...Australian National University, Canberra, ACT, 0200, Australia Abstract Polyphase sulfide melt inclusions are...and large masses of the orebody at Broken Hill, Australia, and record the presence of a former sulfide melt...metamorphism at Broken Hill, Australia. Introduction Broken Hill, New South Wales, Australia, is the worldâs largest |  | Zhang, Yajing, Sun, Fengyue, Li, Bile, Huo, Liang, Ma, Fang (2014) Ore textures and remobilization mechanisms of the Hongtoushan copperâzinc deposit, Liaoning, China. Ore Geology Reviews, 57. 78-86 doi:10.1016/j.oregeorev.2013.09.006 | Journal (article/letter/editorial) | | graniteâgreenstone terrane of the northeastern section of the North China Craton, in Qingyuan County, Liaoning Province...minerals of the Hongtoushan ores are pyrite and pyrrhotite, with less chalcopyrite and sphalerite, and minor...generally coarse porphyroblasts in a matrix of pyrrhotite, chalcopyrite, and sphalerite. Pyrite porphyroblasts...commonly ïŹlled with remobilized chalcopyrite, pyrrhotite, sphalerite, and quartz. In the disseminated...occurs as a retrograde mineral that replaces pyrrhotite. For this study we collected 550 samples, including |  | | Journal (article/letter/editorial) | | not been analysed. (2) Additionally, pyrite and pyrrhotite might be formed under certain circumstances,...by the minerals listed above, then pyrite or pyrrhotite, depending on the model used, are formed until... 2005) were used that contain up to 3.1 wt% pyrrhotite, but that were not analysed for sulphur, CO2...sulphur was not analysed, the excess FeO from the pyrrhotite was allocated to biotite, causing an overestimation... The numbers correspond to the proportion of pyrrhotite (PO) observed in the samples. The observed mineralsâ |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Did the giant Broken Hill (Australia) ZnâPbâAg deposit melt? Paul G. Spry a,â, Ian...Adelaide, South Australia 5005, Australia c Teale & Associates, PO Box 740, North Adelaide, South Australia...Australia 5006, Australia Received 9 May 2007; accepted 11 November 2007 Available online 4 December 2007 ...deposits, including the Broken Hill deposit, Australia, have partially melted. Here we discuss the evidence...Keywords: Partial melting; Sulfides; Broken Hill; Australia 1. Introduction Based in large part on the results |
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