 | | Journal (article/letter/editorial) | | carbonatite-related REE ore deposit, the Mount Weld deposit (Australia), was formed by lateritic weathering...crystallization. In one deposit currently being mined, Mount Weld, the REE ore-grade enrichment is due to lateritic...deposits are relatively low grade but are economic to mine because they can be enriched in the more valuable...valuable HREEs and are relatively inexpensive to mine. Fluids can play a significant role in ore-grade enrichment...synchysite, Fig. 1A) and phosphates (monazite and apatite, Fig. 1B). The fluorocarbonates are generally described |  | Smith, M.P., Moore, K., KavecsĆ”nszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | formation of the highest grade deposits at Mount Weld (Australia) and Tomtor (Russia). For the individual... Bayan Obo, China; Mountain Pass, USA; Mount Weld, Australia; Lovozero, Russia), by-products (e.g. mineral...alteration of the host dolomite marble to fluorite, apatite, aegirine-augite, riebeckite, arfvedsonite amphibole...banding is cut by veins of aegirine, riebeckite, apatite, calcite and barite associated with further REE...carbonate cement, mineralised carbonatite, magnetite-apatite ore and complex phosphate ore. Phosphate M AN |  | | Report (issue) | | 22 TANTALUM IN WESTERN AUSTRALIA by J. M. Fetherston TANTALUM IN WESTERN AUSTRALIA FRONTISPIECE:... FRONTISPIECE: Historic pump at the Wodgina tantalumātin mine. Brought from Port Hedland by camel train about 1905...SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 22 TANTALUM IN WESTERN AUSTRALIA by J. M. Fetherston...Limerick DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Tim Griffin REFERENCE The recommended reference...FETHERSTON, J. M., 2004, Tantalum in Western Australia: Western Australia Geological Survey, Mineral Resources |  | Downes, Peter J., Dunkley, Daniel J., Fletcher, Ian R., McNaughton, Neal J., Rasmussen, Birger, Jaques, A. Lynton, Verrall, Michael, Sweetapple, Marcus T. (2016) Zirconolite, zircon and monazite-(Ce) U-Th-Pb age constraints on the emplacement, deformation and alteration history of the Cummins Range Carbonatite Complex, Halls Creek Orogen, Kimberley region, Western Australia. Mineralogy and Petrology, 110 (2) 199-222 doi:10.1007/s00710-015-0418-y | Journal (article/letter/editorial) | | Complex, Halls Creek Orogen, Kimberley region, Western Australia Peter J. Downes 1 & Daniel J. Dunkley 2 &...southern Halls Creek Orogen, Kimberley region, Western Australia, has provided a reliable 207 Pb/206Pb age...Orogen during the amalgamation of Proterozoic Australia with Rodinia over the period ~1000ā950 Ma. This...Planetary Sciences, Western Australian Museum, Locked Bag 49, Welshpool DC, WA 6986, Australia 2 Department...Applied Geology, Curtin University, Perth, WA 6945, Australia 3 John de Laeter Centre for Isotope Research |  | | Report (issue) | | Association: Nepheline, tremolite, feldspar, apatite, magnetite, ilmenite, calcite (Sudbury, Canada);...rare-earth deposit, Burundi. At Mount Weld, Laverton, Western Australia. Name: For CERium in its composition |  | | Journal (article/letter/editorial) | | gold deposit, Eastern Goldfields Province, Western Australia Received: 11 June 2001 / Accepted: 29 November...containing 4.25 Moz Au (37.1 Mt at 3.6 g/t), is the western part of a continuous orebody divided by a north-south...south of Laverton in the Eastern Goldļ¬elds Province of the Yilgarn Craton of Western Australia, hosted...veins in the hanging wall and footwall deļ¬ne the Western Lodes, ore zones that are oriented parallel to...to adjacent rhyodaciteā porphyry dikes. Western Lode veins are developed in all rock types, and commonly |  | Brown, S. M., Fletcher, I. R., Stein, H. J., Snee, L. W., Groves, D. I. (2002) Geochronological Constraints on Pre-, Syn-, and Postmineralization Events at the World-Class Cleo Gold Deposit, Eastern Goldfields Province, Western Australia. Economic Geology, 97 (3) 541-559 doi:10.2113/gsecongeo.97.3.541 | Journal (article/letter/editorial) | | Gold Deposit, Eastern Goldfields Province, Western Australia S. M. BROWN,ā I. R. FLETCHER, Centre for Global...Geophysics, University of Western Australia, Crawley, Western Australia 6009, Australia H. J. STEIN, AIRIE...Geophysics, University of Western Australia, Crawley, Western Australia 6009, Australia Abstract Recent geological...mineralization. At the Cleo deposit, high-grade Western Lodes veins crosscut the Sunrise shear zone at...across the shear zone, the minimal offset of the Western Lodes veins indicates that gold mineralization |  | | Journal (article/letter/editorial) | | Targeting, University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia a r t i c l e i...South Africa, Mount Weld and Gifford Creek ferrocarbonatite complex in Western Australia, the controversial...South Africa (Kruidfontein, Goudini), Western Australia (Mount Weld and Gifford complex) and China (Bayan...of alkaline complexes and carbonatites in south-western Africa is shown in Fig. 2. 2.1. Brandberg The Brandberg...minerals include Ti-rich magnetite, ilmenite, apatite, zircon, allanite, titanite, chevkinite and thorite |  | Mueller, Andreas G., Hall, Gregory C., Nemchin, Alexander A., Stein, Holly J., Creaser, Robert A., Mason, Douglas R. (2008) Archean high-Mg monzodioriteāsyenite, epidote skarn, and biotiteāsericite gold lodes in the Granny SmithāWallaby district, Australia: UāPb and ReāOs chronometry of two intrusion-related hydrothermal systems. Mineralium Deposita, 43 (3) 337-362 doi:10.1007/s00126-007-0164-0 | Journal (article/letter/editorial) | | gold lodes in the Granny SmithāWallaby district, Australia: UāPb and ReāOs chronometry of two intrusion-related...youngest orogenic belt of the Yilgarn craton, Western Australia. At Granny Smith, a zoned monzodioriteāgranodiorite...(*) 12a Belgrave Street, Maylands, Western Australia 6051, Australia e-mail: andreas@v-app.com.au H. J...44 Parliament Place, West Perth, Western Australia 6005, Australia R. A. Creaser Department of Earth...Edmonton T6G 2E3 Alberta, Canada A. A. Nemchin Western Australian School of Mines, Curtin University of |  | Huston, David L., Maas, Roland, Cross, Andrew, Hussey, Kelvin J., Mernagh, Terrence P., Fraser, Geoff, Champion, David C. (2016) The Nolans Bore rare-earth element-phosphorus-uranium mineral system: geology, origin and post-depositional modifications. Mineralium Deposita, 51 (6) 797-822 doi:10.1007/s00126-015-0631-y | Journal (article/letter/editorial) | | in the Aileron Province, Northern Territory, Australia. The fluorapatite veins are complex, with two...huston@ga.gov.au 1 Geoscience Australia, GPO Box 378, Canberra, ACT 2601, Australia 2 School of Earth Sciences...Melbourne, VIC 3010, Australia 3 Arafura Resources, PO Box 37220, Winnellie, NT 0821, Australia 4 Research...Building 142, Mills Road Acton, Canberra, ACT 2601, Australia Nolans Bore, in south-central Northern Territory...rare-earth element (REE) deposits discovered in Australia over the last two decades. The deposit contains |  | | Report (issue) | | gov/images/periodictable.pdf. Cover. The Mountain Pass Mine, San Bernardino County, California, was the only.............................................O4 Australia.............................................................................................O21 Mine Waste Characteristics.........................................................................O22 Mine Closure...........................................Figures O1. O2. O3. O4. O5. Graph showing world mine production of rare-earth oxides, by country and |  | Neave, David A., Black, Martin, Riley, Teal R., Gibson, Sally A., Ferrier, Graham, Wall, Frances, Broom-Fendley, Sam (2016) On the Feasibility of Imaging Carbonatite-Hosted Rare Earth Element Deposits Using Remote Sensing. Economic Geology, 111 (3) 641-665 doi:10.2113/econgeo.111.3.641 | Journal (article/letter/editorial) | | Mountain Pass in the United States, and Mount Weld in Australia), as well as samples from exploration projects...Jacupiranga in Brazil, Kaiserstuhl in Germany, Mount Weld in Australia, and Phalaborwa in South Africa. Carbonatites... Sokli Motzfeldt St. HonorĆ© Oka 30Ė 120Ė Mount Weld ā60Ė Harker Collection, University of Cambridge...Bayan Obo, Mountain Pass, and Mount Weld represent currently active REE mine sites and are labeled in a...Amph = alkali amphibole, Ank = ankerite, Ap = apatite, B2S-B3S = intermediate fluorocarbonates, Bast |  | | Journal (article/letter/editorial) | | mineralisation within the Mr. Weld carbonatite laterite, Western Australia B.G. LOTTERMOSER* Department...University of Newcastle, Newcastle, N.S. W. 2308 (Australia) LITHOS Lottermoser, B.G., 1990. Rare-earth...mineralisation within the Mt. Weld carbonatite laterite, Western Australia. Lithos, 24:151-167. A thick...preservation of a residuum rich in primary igneous apatite. After decalcification of the profile, acid solutions...overlying, and derived from, the Mr. Weld carbonatite, Western Australia. oxidation of primary igneous minerals |  | | Journal (article/letter/editorial) | | Edward Street, Western Australia 6052 2. Peak Resources, 5 Ord Street, Western Australia 6005 Abstract...xenoliths that have contributed silicate minerals, apatite and magnetite through dispersal and interaction...commissioned by Peak Resources estimated a 30 year mine life for the Weathered Bastnaesite Zone. The Ngualla...Craton (which is now broadly coincident with the western arm of the East African Rift). Currently available...a phosphorocarbonatite unit is defined by >5% apatite, up to a maximum of ca 40% (ca 17% P2O5). Mineral |  | | Journal (article/letter/editorial) | | [12]; the Mount Weld carbonatite-associated lateritic REE and Nb-Ta deposits in Australia (e.g., Reference...numerous REE-HFSE occurrences, historic niobium mine, substantial volume of subsurface data, and lack...concentrations of the commodity [57], and could be a historic mine, ore deposit, mineralized outcrop, or mineralization...Figure 6 uses the Mount Weld Carbonatite Complex and the Ponton Creek Complex (Australia) to demonstrate...8km of the volcanic plug has been weathered. Mount Weld Carbonatite Complex Proven plays Unclassified |  | | Report (issue) | | earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...earth-science and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...~port- - - - -- - - - - - - - - Graph showing world mine production of niobium concentrate, for selected...earth-science and mineralresource agencies in Australia, Canada, the Federal Republic of Germany, the |  | | Journal (article/letter/editorial) | | University, Wellington Road, Clayton, VIC 3800, Australia of Earth, Atmosphere and Environment, Monash...3800, Australia 3 CSIRO Mineral Resources, Private Bag 10, Clayton South, VIC 3169, Australia Abstract...global REO resources within our database, with Australia, Russia, Canada, and Brazil having 64.5, 62.3...Production (kt TREO+Y) 120 100 Other India Australia Notes: 1) āOtherā includes Brazil, Malaysia, USSR/Russia...Burundi; ā Mountain Pass, USA; Nolans Bore, Australia; ā Steenkampskraal, South Africa Alkaline |  | | Journal (article/letter/editorial) | | deposits (Mountain Pass in the United States, Mount Weld in Australia, etc.) are far from optimal in composition...operation in the near future (Mountain Pass, Mount Weld, Steenkampskraal), as well as many other similar...similar deposits currently explored in Australia (Nolans), Canada (Hoidas Lake, the upper ore zone of the...and elsewhere. All monazite placers, REEbearing apatite deposits in Khibiny, and the ore of the worldās...floor and (6) fish bone detritus replaced with apatite; (7) supergene clay ores in mantles of weathering; |  | | Journal (article/letter/editorial) | | remote from modern trans- (Brazil) and Mount Weld (Western Australia),containsone portroutesandis almostcompletely...ijolite-melteigite rocks; 7 = metasomatie rocks: a = apatite-potassium feldspar-ehlorite rocks,b = calcite-potassium...earbonatites (Fig.lB). (predominantly francolite, apatite,strontiumapatite,monaDolomite-calcite and calcite...andother accessory minerals including pyroehlore, apatite,magnetite, rocktypesincluding andrichteritc.Carbonatization...isotopegeothermometry (Pokrovsky et al.,1990), apatite(Table5) areusefulgenetic minerals' verylowRb/Srratios(less0 |  | | Journal (article/letter/editorial) | | amounts of tantalum (eastern Sayan and Mount Weld in Australia), whereas others show rather low or even...carbonatepoor rocks (for instance, calciteāmagnetiteāoxideāapatite rock), show compelling evidence for their magmatic...conditions of phosphorusāniobium mineralization (apatite and pyrochlore-group minerals) was considered as...exceptions, niobium and phosphorus in pyrochlore and apatite. The exceptions were the largest copper accumulation...also contains tremendous amounts of phlogopite, apatite, iron, and other ores, and the rare earth mineralization |  | | Journal (article/letter/editorial) | | this period only one new operation at Mt Weld, Western Australia has commenced production. One older operation...significantly less than those used by the only two Western operations. These cut-offs result from attaching...unrealistically low production and realization costs. The Mt Weld deposit was put into production after a 30 year...earth elements, Ionic clays, Resource estimation, Mt Weld, Domaining, Cut-off grades This paper is part of...Ltd, Eastwood, NSW 2122, Australia 3 Butler Court, Bright, VIC 3741, Australia *Corresponding author, |  | Mott, A. V., Bird, D. K., Grove, M., Rose, N., Bernstein, S., Mackay, H., Krebs, J. (2013) KARRAT ISFJORD: A NEWLY DISCOVERED PALEOPROTEROZOIC CARBONATITE-SOURCED REE DEPOSIT, CENTRAL WEST GREENLAND. Economic Geology, 108 (6) 1471-1488 doi:10.2113/econgeo.108.6.1471 | Journal (article/letter/editorial) | | grunerite, cummingtonite, magnetite, biotite, apatite, sphalerite, thorium silicate, fergusonite, bastnasite...weathering profiles over carbonatites (e.g., Mount Weld, Australia), and carbonatite bodies themselves (e.g...Cretaceous restoration of the Rinkian mobile belt (western Greenland) to correlated magmatic and tectonometamorphic...53Ā°W 52Ā°W Fig. 2. Regional geologic map of the western coast of Greenland, 71Ā°N to 72.5Ā°N. Modified from...SCIENTIFIC COMMUNICATIONS km north-south along the western coastline of Greenland from the northern side of |  | | Journal (article/letter/editorial) | | peralkaline igneous rocks, pegmatites, monazite Ā± apatite veins, ion adsorption clays, placers, and some...with a pro-mining disposition such as Canada and Australia. REE grade, HREE/light REE (LREE) ratio of the...Peralkaline intrusion . Placer . Skarn . Monazite Ā± apatite vein . Phosphate . Uranium Introduction According...Chinese REE producers had a competitive edge over western producers due to inexpensive and abundant labor...Chinese government, highlighted the vulnerability of western high technology industries to disruptions of critical |  | | Journal (article/letter/editorial) | | Vestini 30, 66100- Chieti, Italy University of Western Australia, Centre for Exploration Targeting, 35 Stirling... 4019, 664033 Russia MA NU 3 SC WA 6009, Australia *Corresponding author: fstoppa@unich.it Abstract...of European resources). Pyrochlore, monazite, apatite, britholite bearing subvolcanic rocks in ejecta...typical primary carbonatite deposit model includes apatite-magnetite-pyrochlore and rare-earth deposits or...obtained from a new local mine. In the 1980s, the location of the mine, called āgold mineā, was recognised to |  | | Journal (article/letter/editorial) | | mining and processing, GHG emission, Radioactive mine waste Introduction Rare earth elements (REEs) have...University, Wellington Road, Clayton, VIC 3800, Australia School of Geosciences, Monash University, Wellington...3800, Australia 3 CSIRO Process Science and Engineering, Box 312, Clayton South, VIC 3169, Australia 2 ...Brazil, Mountain Pass in the USA, and Mount Weld in Australia. However, the mineralogy, grades, tonnages...Aeschynite Allanite (orthite) Anatase Ancyliteā(Ce) Apatite BastnaĢsiteā(Ce) Brannerite Britholiteā(Ce) Brockite |
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