 | | Journal (article/letter/editorial) | | Serpentinization and Talc-CarbonateAlteration at Black Swan, Western Australia D. I. Gi•ov•.s,D. R. HuDsoN, ^ND T....nickel-iron sulfides in Archean serpentinite at Black Swan consist of the relatively uncommon assembla...metavolcanic association and rock associaTaE Black Swan nickel prospectis situatedin the a felsicmet...Eastern Goldfieldsprovince of Western Australia, about 43 km NNE of Kalgoorlie. It is a small, low-gradedisseminated...ultramafic body (Fig. 1), and differsmarkedlyfrom most Western metamorphosedtholeiitic basalts associatedwith |  | Grguric, Ben A., Seat, Zoran, Karpuzov, Andrei A., Simonov, Oleg N. (2013) The West Jordan deposit, a newly-discovered type 2 dunite-hosted nickel sulphide system in the northern Agnew–Wiluna belt, Western Australia. Ore Geology Reviews, 51. 79-92 doi:10.1016/j.oregeorev.2012.12.003 | Journal (article/letter/editorial) | | system in the northern Agnew–Wiluna belt, Western Australia Ben A. Grguric a, b,⁎, Zoran Seat a, Andrei...Department, Norilsk Nickel Australia, P.O. Box 906, West Perth, WA 6872, Australia Centre for Exploration...University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA 6009, Australia Exploration Department...northern Agnew–Wiluna greenstone belt of Western Australia, is a newlydiscovered Type 2 dunite-hosted...Agnew–Wiluna greenstone belt, Yilgarn Craton, Western Australia (Fig. 1). It represents a large tonnage, low-grade |  | | Journal (article/letter/editorial) | | Geology,Uniuersityof WesternAustrslia N edlands6009.Australia Abstract A comparatively regular partition of...ultramafic rocks from the Yilgarn Block of Western Australia are metamorphosed and occur mainly in highly-deformed...temperaturesoccurs in the Perseverancedeposit, 330 km north of Kalgoorlie, describedby Martin and Allchurch (1976).This...metamorphic olivines, a common feature of many other Western Australian nickel deposits,is lacking in a large...raised since antigorite rather than lizardite or chrysotile is curvedboundariesagainstthe metamorphicsilicates |  | | Report (issue) | | Aerial view of Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is...Level 3, 15-31 Pelham Street, Carlton Victoria Australia 3053 iii © The Australasian Institute of Mining...knowledge and understanding of the mineral wealth of Australia and Papua New Guinea. v vi Committees MONOGRAPH...New South Wales Department of Mineral Resources Western Australian Department of Minerals and Energy David...Gold NL WMC Resources Limited Outokumpu Mining Australia Hamersley Iron Pty Limited Hancock Prospecting |  | | Report (issue) | | NICKEL MINERALIZATION IN WESTERN AUSTRALIA An oblique aerial view, from the south-southwest, ofthe...concentrating plant lies just north of the township. Kalgoorlie-Boulder is just below the horizon, right of centre...the Surveyor General, Western Australia. GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN...BULLETIN 14 NICKEL MINERALIZATION IN WESTERN AUSTRALIA by R. J. MARSTON PERTH, 1984 Issued under...L.C., Minister for Mines National Library of Australia Cataloguing-in-publication entry: Marston, R.J |  | | Journal (article/letter/editorial) | | GROVES, GeologyDepartment, Universityof Western Australia,Nedlands,Australia6009 D. R. HUDSON, Com...Australia6014 AND J. R. Ross Western Mining Corporation,Belmont, Australia 6104 Abstract The nickelsulfidedeposits...Yilgarn Block. Nickel sulfide depositsin Western Australia are Ultramafic volcanic and associated intrusive...Groves(1981). Many subsequentobservations derive Perth, Australia 6000. • All analyticalvaluesare expressed on a...the percentof the total nickel mined to date in Western mineralizeddunitic lensesare not specificallyassoAustralia |  | | Journal (article/letter/editorial) | | serpentinization of ultramafic rocks is: lizardite, chrysotile, magnetite:t:brucite:t:antigorite. Lizardite-ehrysotile...serpentinized in a higher P,T regime than lizardite and chrysotile. The iron substitution into serpentine minerals...name of the three major minerals (lizardite, chrysotile, antigorite) or as a general term when the individual...Whittaker (1975) consider lizardite, chrysotile, and par~chrysotile to be polymorphs, but not antigor~ite...orthoserpentine B - 6H 6-layer orthoserpentine CHRYSOTILE -- cylindrical structures polytypes mineral name |  | | Journal (article/letter/editorial) | | resources. However, their study only considered existing mine sites rather than total global resources. For both...Greenstone Belt, Finland; Kambalda Greenstone Belt, Australia Urals, Russia; Duke Island, Alaska, USA and Turnagain...members of the serpentine mineral group: lizardite, chrysotile and antigorite and Ophiolites Ophiolites are...on the temperature of formation. Lizardite and chrysotile were formed at lower temperatures have similar...storage ultramafic rocks are located in an existing mine site (for example many nickel deposits contained |  | Keays, Reid R., Nickel, E. H., Groves, D. I., McGoldrick, Peter J. (1982) Iridium and palladium as discriminants of volcanic-exhalative, hydrothermal, and magmatic nickel sulfide mineralization. Economic Geology, 77 (6) 1535-1547 doi:10.2113/gsecongeo.77.6.1535 | Journal (article/letter/editorial) | | 3052, Australia E. H. NICKEL, CSIRO, Division of Mineralogy, Private Bag, P.O. Wembly, Western Australia...Australia 6014, Australia D. I. GROVES, Department of Geology,Universityof WesternAustralia,Nedlands,WesternAustralia6009...WesternAustralia6009, Australia AND PETERJ. MCGOLDRICK Department of Geology, University of Melbourne,... Parkville, Victoria 3052, Australia Abstract Neutronactivationof Pd, Au, andIr in samples from (1)...mineralization in peridotiteat Nullagine,Western Australia,(4) hydrothermalreplacement(volcanic-exhalative |  | | Journal (article/letter/editorial) | | rocks at Mount Keith, Agnew-Wiluna belt, Western Australia Martin J. Gole Received: 4 July 2013 / Accepted:...Associates, 8 Landor Road, Gooseberry Hill, WA, Australia 6076 e-mail: mgole@westnet.com.au the ultramafic...carbonate-altered disseminated mineralization at Black Swan with the dissimilarities attributed to compositional...is described. Because Mount Keith is an operating mine there is a wealth of close-spaced assay data and...marginal ultramafic rocks within 20–30 m of the western contact were either carbonate-altered or serpentinized |  | | Report (issue) | | and synvolcanic nickel 7 Dunitic nickel 15 Chrysotile asbestos 23 Zinc-lead skarn 26 Volcanogenic...DEPOSITS Name Agnew (Perseverance) Amax Birch Tree Black Swan Bowden Lake Bucko Discovery Dumont Forrestania... - c m z o ;* H O O c z DEPOSIT TYPE Chrysotile asbestos MODEL NUMBER 1.9 AUTHOR G. Orris ...Bell Mine Belvidere Black Lake British Canadian Caley Carey/East Broughton Cana Brava Cassiar Mine Clinton...Courvan Mine Cranbourne Daffodil Eagle Gilmont Golden Age Jeffrey King-Beaver Mine Kudu Asbestos Mine Lake |  | Taranovic, V., Lesher, C. M., Houle, M. G., Bedard, J. H. (2012) Physical Volcanology and Genesis of Komatiite-Associated Ni-Cu-(PGE) Mineralization in the C Zone, Bannockburn Township, Ontario. Economic Geology, 107 (5) 835-857 doi:10.2113/econgeo.107.5.835 | Journal (article/letter/editorial) | | texturally heterolithic komatiite breccia in the western part. The breccia is composed of subrounded to...stripped exposure by a thin lava pathway and in the western part by breccias formed via lateral breakout and...(i.e., Kidd-Munro assemblage) and those in the western part of the 2710 to 2704 Ma volcanic episode (i...Sothman deposit in the Halliday Dome, the Texmont mine in the Bartlett Dome, and the 5360000 m N Night...CREEK METALLURGICAL SITE (Ni CIRCUIT) N KIDD CREEK MINE SITE 101 655 11 Kenogamissi Batholith Timmins |  | Barrett, F. M., Binns, R. A., Groves, D. I., Marston, R. J., McQueen, K. G. (1977) Structural history and metamorphic modification of Archean volcanic-type nickel deposits, Yilgarn Block, Western Australia. Economic Geology, 72 (7) 1195-1223 doi:10.2113/gsecongeo.72.7.1195 | Journal (article/letter/editorial) | | Volcanic-Type NickelDeposits, YilgarnBlock, Western Australia F. M. BARRETT, JR.A. B•NNS,D. I. GROVES, R...Arcbean volcanic-typeFe-Ni sulfide ores of Western Australia occur at the base of relatively small, lenslike...Introduction THz ArchcanFe-Ni sulfidedepositsof Western Australiaare associated with two main typesof ultramariehost...volcanic-typeFe-Xi sulfide ores from the eastern Yil- ton, Black Swan; Fig. 1, Table 1). The matrix and massivesulfidesthat...EasternGoldfields Province, Yilgarn Block,Western Australia (afterBinnset al., 1976).Nickelsulfide deposits |  | | Journal (article/letter/editorial) | | complex, a collage of Mesozoic ophiolitic slabs in western Luzon, Philippines (Fig. 1). Iron-nickel-copper...in highly serpentinized dunite (locally called black "dunite" because of its extremely dark color) from...described below, are either lizardite (1T) or clino-chrysotile. However, the Raman spectra of these serpentine...t - S i O z ternary composition, most of the chrysotile and lizardite phases analyzed in this study fall...Ant antigorite - (Mg, Fe)gsSia,,Oss(OH)62; Chry chrysotile - (Mg, Fe)aSizOs(OH)4; Tc talc - Mg3Si,Olo(OH)2; |  | | Journal (article/letter/editorial) | | access to primary mineral surfaces (Fig. 2a). Fine chrysotile fibers, <1 to 20 µm in length, are observed to...secondary 10 minerals are composed of lizardite + chrysotile + magnetite ± dolomite. Dolomite occurs as subhedral...Orthopyroxene is chiefly replaced by lizardite and minor chrysotile. The pseudomorphic products typically appear...direction of cleavage traces in clinopyroxene. Chrysotile fibers are observed to coat the surface of Cr-spinel...carbonate interiors. In contrast to olivine, chrysotile and lizardite appear unaltered and lack carbonate |  | | Journal (article/letter/editorial) | | VIC 3800, Australia 2 School of Geosciences, Monash University, Clayton, VIC 3800, Australia Abstract...to determine whether this prospect is economic to mine. The mining industry generally minimizes exploration...resources to mineable reserves during the lifetime of a mine, rather than incurring the prohibitive expenditure...(2011) Reserves Base (2008) United States 0.15 Australia 24 24 29 Dominican Republic 0.96 1 1 Cuba 5.5...3.7 Notes: National resource estimates from Australia–2011 (GA, 1992−2012); Brazil–2011 (DNPM, 2008−2012); |  | | Journal (article/letter/editorial) | | end-members forsterite and fayalite), serpentine (chrysotile–greenalite), brucite (brucite–Fe-brucite), talc...metamorphic rocks, serpentine is in most cases chrysotile or lizardite, whereas antigorite is common in...properties of chrysotile and lizardite are trivial (cf. Wilson et al., 2006). We chose chrysotile to represent...suppressed the formation antigorite (in favor of chrysotile), saponite and nontronite, as well as the reduction...used to calculate the serpentine field are from chrysotile. The solubility of quartz (blue line) is calculated |  | | Book | | light leaves it. We see it as being very dark or black (for example, graphite). Alternatively, if very...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm...Malawi * 10 x 10 x 7 cm Calcite, San Sebastian Mine, Charcas, San Luis Potosi, Mexico * 10 x 8 x 6.5 |  | | Journal (article/letter/editorial) | | serpentinites, where either antigorite, lizardite, or chrysotile may be present. The presence of the Ni-Fe alloy...1982). For this reason the idealized lizardite or chrysotile formula will be used to balance the equilibria...antigorite formula and that of ideal lizardite or chrysotile are so slight that this convention will have...stability field of antigorite. In contrast, lizardite/chrysotile serpentinites, which are restricted to temperatures...First, low-temperature serpentinization involves chrysotile or lizardite as the serpentine mineral rather |  | Boskabadi, Arman, Pitcairn, Iain K., Leybourne, Matthew I., Teagle, Damon A.H., Cooper, Matthew J., Hadizadeh, Hossein, Nasiri Bezenjani, Rasoul, Monazzami Bagherzadeh, Reza (2020) Carbonation of ophiolitic ultramafic rocks: Listvenite formation in the Late Cretaceous ophiolites of eastern Iran. Lithos, 352. 105307 doi:10.1016/j.lithos.2019.105307 | Journal (article/letter/editorial) | | weathered, and less porous brown to dark grey or black when fresh, as seen in drill core (Fig. 4c, d).... In addition to lizardite and bastite, minor chrysotile is also present. Minor -p antigorite is present...to coarse-grained with ubiquitous lizardite ± chrysotile and/or antigorite but lack relicts of primary...parts with traces of magnesite (Fig. 6e). Late chrysotile -p veins are common crosscutting other serpentine...phase transition. 6.1.1. First episode: lizardite/chrysotile serpentinization Petrographic observations indicate |  | | Journal (article/letter/editorial) | | Yilgarn Craton, Australia. Unlike the relatively well-published examples from Western Australian, such...Corridor approximately 5 km south-east of Thompson mine. The detailed geological, mineralogical, and chemical...and fold belt situated on the north- AC CE P western margin of the Archaean Superior Province in northern...double that of famous Kambalda deposits in Western Australia. The TNB comprises, from oldest to youngest...mafic Molson dyke from the South Pit at Thompson Mine yielded an age of 1860.9 ± 2.1 Ma (Scoates et al |  | | Report (issue) | | North Wales Porphyry style copper mineralisation at Black Stockarton Moor, south-west Scotland Geophysical...the area around Culvennan Fell, Kirkcowan, south-western Scotland Disseminated copper-molybdenum mineralisation...(and altered equivalents), spilitic igneous rock, black phyllite, chert and sandstone. Many lithological...considerably more deformed and metamorphosed than adjacent black slates or nearby regionally-metamorphosed Leny grits...serpentine minerals to be antigorite, lizardite and chrysotile. Large grains of deep brown translucent spine |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | pocket] Plate 1. Mineral Resource Domains of Western Colombia 2. Mineral Resource Domains of Eastern...scale 1:1,000,000 on two mineral resource maps of western and eastern Colombia. Domains in which the geologic...investigations of these rocks, with emphasis on the black shales, is highly recommended. 5) Aeromagnetic...porphyry deposits and prospects are known in the Western and Central Cordilleras of Colombia, mainly in...Cretaceous ophiolites (oceanic crust terranes) of western Colombia, as described by Barrero-Lozano (1979) |  | | Report (volume) | | instances (such as titanium in a rutile-bearing black sand), the commodity might not even be concentrated...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...Country Agnew (Perserverance) Amax Birch Tree Black Swan Bowden Lake Bucko Discovery Dumont Forrestania |  | | Journal (article/letter/editorial) | | or CH4 gas generation is a matter of concern for mine safety (Cook, 1998). In retrograde tectonic settings...dominant serpentine mineral, along with minor chrysotile and antigorite, consistent with Duke’s (1986)...through Fe serpentine to Mg serpentine facies. Black and gray lines represent sulfide-bearing and low-sulfide...the block model (surface elevation is ~315 m). Black dots show the locations of Explomin™ samples, which...whole rocks from the lower dunite subzone. Solid black and gray lines show the trends of olivine compositions |
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