 | | 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...invisible gold in löllingite but not in adjacent arsenopyrite, and the presence of spherical gold sulfide |  | | Journal (article/letter/editorial) | | pp. 525â534 Redistribution of Gold within Arsenopyrite and Löllingite during Pro- and Retrograde Metamorphism:...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...prograde metamorphism gold is first expelled from arsenopyrite before being partitioned into löllingite. The...retrograde metamorphism. Experiments show that arsenopyrite produced during retrograde metamorphism is not |  | | 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...first melting reaction would be at 500°C, where arsenopyrite and pyrite react to form pyrrhotite and an AsâS...mineralogical relations observed at Broken Hill, Australia (Lawrence 1967) and Bleikvassli, Norway (Vokes |  | | 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...to gold, dominated by pyrite, pyrrhotite, and arsenopyrite, but minor and varying amounts of tellurides...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 |  | 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) | | Bimodal Distribution of Gold in Pyrite and Arsenopyrite: Examples from the Archean Boorara and Bardoc...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 |  | 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) | | associations, but its presence in löllingiteâarsenopyriteâpyrrhotite parageneses is prevalent. To a lesser...löllingiteâarsenopyriteâpyrrhotite assemblage on StorĂž: In the first stage, arsenopyrite likely formed...solution. In the second stage, gold-bearing arsenopyrite was replaced by löllingite and pyrrhotite. This...löllingite and pyrrhotite reacted and formed arsenopyrite, and gold was subsequently exsolved and preferably...deposited as discrete grains or films along arsenopyriteâlöllingite grain boundaries. During a later |  | | 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...Griffinâs Find was largely based on analysis of arsenopyrite-löllingite-pyrrhotite-gold textures (Barnicoat...terrane in the southwestern Yilgarn Block, Western Australia. Modified from Wilde et al. (1996). whether gold |  | | Journal (article/letter/editorial) | | 1600039 Re-Os SYSTEMATICS OF LOÌLLINGITE AND ARSENOPYRITE IN GRANULITE-FACIES GARNET ROCKS: INSIGHTS INTO...BLOCK DURING THE EARLY MESOPROTEROZOIC (NEW SOUTH WALES, AUSTRALIA) NICOLAS J. SAINTILAN§ Department of Earth...Alberta, T6G 2E3, Canada ABSTRACT LoÌllingite and arsenopyrite aggregates occur in spessartine-almandine garnet...deposit, southern Curnamona Province, New South Wales, Australia. Sulfarsenide and sulfide minerals comprise...comprise loÌllingite and coexisting arsenopyrite 6 galena 6 tetrahedrite that occur interstitial to garnet |  | | 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) | | 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:...samples. Although sulfide minerals, especially arsenopyrite, did form during the hydrothermal event, host...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 |  | Voisey, Christopher R., Willis, David, Tomkins, Andrew G., Wilson, Christopher J.L., Micklethwaite, Steven, Salvemini, Filomena, Bougoure, Jeremy, Rickard, William D.A. (2020) Aseismic Refinement of Orogenic Gold Systems. Economic Geology, 115 (1) 33-50 doi:10.5382/econgeo.4692 | Journal (article/letter/editorial) | | Environment, Monash University, Clayton, Victoria 3800, Australia of Earth and Environmental Sciences, University...Scattering, ANSTO, Lucas Heights, New South Wales 2234, Australia for Microscopy, Characterisation and...Analysis, University of Western Australia, Perth, Western Australia 6009, Australia 5John de Laeter Centre,... Curtin University, Bentley, Western Australia 6845, Australia Abstract Orogenic Au deposits have contributed...found in quartz veins at Fosterville gold mine (Victoria, Australia). Distinct textural settings of visible |  | | 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...minerals in the inclusions are galena, sphalerite, arsenopyrite, chalcopyrite, tetrahedrite-tennantite, and |  | | Catalog/List | | blue xtls. GRF. Ml. ÂŁ4.00 4 MALACHITE, Killie Mine, Elko Co., Nevada, USA. Very rich with fibrous edges...ÂŁ4.00 5 GYPSUM, Simpson Desert, Queensland, Australia. Impressive array of multi sized blades and spikes...xtls. GRF. Ml. ÂŁ5.00 10 SMITHSONITE, San Antonio Mine, Santa Eulalia, Chihuahua, Mexico. Pale blue botryoidal...Wood Mine, Bodmin Moor, Cornwall. SW green. Ml. ÂŁ5.00 12 UVSW. ICELAND SPAR CALCITE, Challenger Cave...matrix. GRF. C. ÂŁ5.00 14 SPHALERITE, Brownley Hill Mine, Nenthead, nr Alston, Cumbria. Glistening black |  | | Journal (article/letter/editorial) | | remobilization. Geologic Background The Balmat mine is located in the Adirondack Lowlands region of...the initiation of basin closure and uplift to the south. Further compression cut off the basin from general...eight decades of exploration at the Balmat zinc mine has allowed the definition of 16 sub-units in the...geothermometry shows a temperature valley in the central Lowlands (Balmatâs location) of 640 ± 30â°, bordered...would form. Method and Samples Although the Balmat mine was closed in 2001, and throughout the interval |  | | Journal (article/letter/editorial) | | in, for example, pyrite, arsenian pyrite and arsenopyrite. The extensive studies of arsenian pyrite from...Dick Perry Avenue Kensington, Perth, WA 6151, Australia Corresponding author: Robert.Hough@csiro.au 2...1979) because they derived from the ore or from mine bullion, and thus include contributions from other...gold: (A) gold with arsenopyrite in quartz, Bayleys Reward, Coolgardie, Western Australia; (B) gold nugget...nugget, Mount Pleasant, Western Australia; (C) polycrystalline, multiply twinned, fern-shaped gold crystal |  | 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) | | developed phases are: pyrrhotite, chalcopyrite, arsenopyrite, pyrite and arsenian-pyrite. Native Au occurs...post-kinematic pyrite and arsenopyrite, as fracture infills in arsenopyrite and in contact with gangue...gangue minerals. Electron-microprobe analyses in arsenopyrite reveal a 465 â 560°C precipitation temperature...lattice-bound Ni and Co in arsenian-pyrite and arsenopyrite, related to the mafic-ultramafic signature of...Nevoria skarn deposit in the Yilgarn Craton, Australia (Mueller et al., 1997, 2004), where Fe-rich and |  | Squire, R. J., Robinson, J. A., Rawling, T. J., Wilson, C. J.L. (2008) Controls on Ore Shoot Locations and Geometries at the Stawell Gold Mine, Southeastern Australia: Contributions of the Volcanosedimentary, Alteration, and Structural Architecture. Economic Geology, 103 (5) 1029-1041 doi:10.2113/gsecongeo.103.5.1029 | Journal (article/letter/editorial) | | Locations and Geometries at the Stawell Gold Mine, Southeastern Australia: Contributions of the Volcanosedimentary... The University of Melbourne, Victoria 3010, Australia Abstract The ability to effectively target ore...mineâs Magdala gold deposits in southeastern Australia are hosted by rocks that experienced at least...stress field. Preexisting structures, such as Central Lode fault, host many of the ore shoots and were...mud-rich units between the basalt flow-lobes and the Central Lode-type structures. Those thick, mud-rich sedimentary |  | | Journal (article/letter/editorial) | | University, P.O. Box 28E, Melbourne, Victoria 3800, Australia e-mail: andy.tomkins@sci.monash.edu.au occurred...Melting initiated in the massive sulphides through arsenopyrite breakdown, and a small volume of melt was subsequently... 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 |  | 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) | | Marcasite at the Homestake BIF-Hosted Gold Deposit, South Dakota, USA: Insights on Au-As Ore Genesis from...7001, Australia Abstract The Paleoproterozoic Homestake deposit, northern Black Hills, South Dakota...that the volume of upper Poorman Formation in the mine area (approx. 12 km3) could potentially yield ~4...districts. Introduction The Homestake deposit in Lead, South Dakota (Fig. 1a-d), was among the worldâs giant...Precambrian and Tertiary lithologies within the mine; (2) other gold deposits of known Tertiary age in |  | Bineli Betsi, Thierry, Mokane, Lebogang, McFarlane, Chris, Phili, Kelebogile, Kelepile, Tebogo (2020) Multistage gold mineralization events in the Archean Tati greenstone Belt, northeast Botswana: Constraints from integrative white mica Ar/Ar, garnet U-Pb and sulfides Pb/Pb geochronology. Precambrian Research, 339. 105623 doi:10.1016/j.precamres.2020.105623 | Journal (article/letter/editorial) | | mineralization events. All sulfides 33 and arsenopyrite samples from the TGB yielded overlapping Pb/Pb...Archean 69 greenstone belts of Canada, South America and Australia (see Glanvill et al., 2011). 70 Orogenic...g., the over 40 million ounces (Moz) 83 gold South Dakota gold deposit, Caddey et al., 1991) is still...gneisses (Bagai et 145 al., 2002) and Phoenix Mine Gabbro (Van Geffen, 2004), the TTG from the TGB...sulfides, which are 160 essentially composed of arsenopyrite, pyrrhotite, pyrite, sphalerite, chalcopyrite |  | Cook, N. J., Ciobanu, C. L., Meria, D., Silcock, D., Wade, B. (2013) Arsenopyrite-Pyrite Association in an Orogenic Gold Ore: Tracing Mineralization History from Textures and Trace Elements. Economic Geology, 108 (6) 1273-1283 doi:10.2113/econgeo.108.6.1273 | Journal (article/letter/editorial) | | Inc. Economic Geology, v. 108, pp. 1273â1283 Arsenopyrite-Pyrite Association in an Orogenic Gold Ore:...5005, Australia 2 Adelaide Microscopy, University of Adelaide, Adelaide, S.A. 5005, Australia Abstract...province, northcentral Australia. Gold distribution patterns in the arsenopyrite-pyrite assemblage, which...suggest a process of initial scavenging of Au into arsenopyrite and subsequent remobilization of that Au following...reconcentrated around the margins of the same arsenopyrite grains and within swarms of crosscutting microfractures |  | Billström, Kjell, Mattson, Benny, Söderlund, Ulf, Ă
rebĂ€ck, Hans, Broman, Curt (2012) Geology and Age Constraints on the Origin of the Intrusion-Related, Sheeted Vein-Type Ă
kerberg Gold Deposit, Skellefte District, Sweden. Minerals, 2 (4) 385-416 doi:10.3390/min2040385 | Journal (article/letter/editorial) | | mineralizations [15,16]. There are also a number of arsenopyrite-rich orogenic gold deposits in the Lycksele-Storuman...from localities in a limited area just north of the gold mine. A locally used grid is shown on the map...map. The center of the outlined gold mine corresponds approximately to coordinates N722455 and E173250...to shed further light on these issues. This gold mine was operated by Boliden Mineral AB during the years...gabbro forms a large (about 10 km long along a north-south direction) layered intrusion which also constitutes |  | Fougerouse, Denis, Micklethwaite, Steven, Tomkins, Andrew G., Mei, Yuan, Kilburn, Matt, Guagliardo, Paul, Fisher, Louise A., Halfpenny, Angela, Gee, Mary, Paterson, David, Howard, Daryl L. (2016) Gold remobilisation and formation of high grade ore shoots driven by dissolution-reprecipitation replacement and Ni substitution into auriferous arsenopyrite. Geochimica et Cosmochimica Acta, 178. 143-159 doi:10.1016/j.gca.2016.01.040 | Journal (article/letter/editorial) | | replacement and Ni substitution into auriferous arsenopyrite Denis Fougerouse a,b,â, Steven Micklethwaite...Targeting, The University of Western Australia, Crawley, WA, Australia b Department of Applied Geology, Curtin...Curtin University, Perth, Western Australia, Australia c School of Earth, Atmosphere & Environment, Monash...Melbourne, Victoria, Australia d CSIRO Mineral Resources Flagship, Clayton, Victoria, Australia e Centre for...University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia f CSIRO Mineral Resources |  | Lee, Moontaek, Shin, Dongbok, Yoo, Bongchul, Im, Heonkyung, Pak, Sangjoon, Choi, Sunki (2019) LA-ICP-MS trace element analysis of arsenopyrite from the Samgwang gold deposit, South Korea, and its genetic implications. Ore Geology Reviews, 114. 103147 doi:10.1016/j.oregeorev.2019.103147 | Journal (article/letter/editorial) | | trace element analysis of arsenopyrite from the Samgwang gold deposit, South Korea, and its genetic implications...Keywords: Orogenic deposit Invisible gold Arsenopyrite LA-ICP-MS South Korea The Samgwang deposit, previously...massif, South Korea. The gold at Samgwang occurs as electrum commonly associated with arsenopyrite. Laser...conducted on Au and trace elements distributed in arsenopyrite grains contained in quartz vein and wall rock...distributed and exchanged via substitution in arsenopyrite, while variability and noisy depth proïŹles inferred |
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