 | | Journal (article/letter/editorial) | | in granulite-facies Archaean rocks at Dowerin, Western Australia P. J. DOWNES* AND A. W. R. BEVAN Department...Planetary Sciences, Western Australian Museum, Francis Street, Perth, Western Australia 6000 ABSTR ACT ...occurs near Dowerin, in the southwestern region of the Archaean Yilgarn Craton, Western Australia. The deposit...Beryllium mineralization at Dowerin occurs in plagioclasequartz-biotite-garnet gneiss and cross-cutting...almandine or plagioclase, and closely intergrown with biotite and/or zincian hercynite in the host-rock gneiss |  | | Report (edition) | | maps produced by the Geological Survey of Western Australia are available from: Information Centre Department...Bulletin 25 GEMSTONES OF WESTERN AUSTRALIA Gemstones of Western Australia second edition While systematically...authoritative, the second edition of Gemstones of Western Australia is written not only for the professional geologist...et al. The second edition of Gemstones of Western Australia is an updated version published in response...formal inception of the Geological Survey of Western Australia (GSWA) in 1896. In this second joint publication |  | | Report (edition) | | Stocklmayer GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Gemstones of Western Australia FRONTISPIECE Euhedral black... MINERAL RESOURCES BULLETIN 25 GEMSTONES OF WESTERN AUSTRALIA by J Michael Fetherston, Susan M Stocklmayer...Stocklmayer Perth 2013 GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINISTER FOR MINES AND PETROLEUM Hon. Norman...EXECUTIVE DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Rick Rogerson REFERENCE The recommended reference...VC 2013, Gemstones of Western Australia: Geological Survey of Western Australia, Mineral Resources Bulletin |  | | Journal (article/letter/editorial) | | number known from Western Australia up to 23. New are Dalgaranga (siderite), Dowerin (siderite), Gundaring...low-grade actinoli.tic amphibole from Coronet Peak, Western Otago, New Zealand.. By IIr. C. OssonNe HurroN...to a sodic oligoclase. The hornblende alters to biotite, with epidote forming from the lime released by...origin, he believes, is due to reaction between biotite and basic plagioclase in the presence of acid solutions |  | Beurlen, H., Thomas, R., Melgarejo, J. C., Da Silva, J. M. R., Rhede, D., Soares, D. R., Da Silva, M. R. R. (2013) Chrysoberyl-sillimanite association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration. Journal of GEOsciences, 58 (2) 79-90 | Journal (article/letter/editorial) | | sillimaniteâgarnetâ cordieriteâbiotite schists and gneisses (from now on biotite schists, for simplicity) of...metamorphic paragenesis into chlorite + muscovite + biotite schists in the shear zones and also regionally...references therein). Timing of this event was based on biotite ArâAr geochronology (AraĂșjo et al. 2005) and columbite...sub-parallel to the foliation of the enclosing biotite schists, and has a subvertical dip toward ESE,...the Borborema Province, Brazil N LEGEND N C Biotite schists SCHEMATIC SECTION D Sn Trenches Muscovitic |  | | Journal (article/letter/editorial) | | Hill in Easton, Pennsylvania (Eyerman, 1904),and Dowerin, WesternAustralia(Simpson,1932), were believed...Schneider(1891) and an analysis of an altered biotite labeled "eastonite" by Eyerman(l9l l) (Table l)...as "eastonite" has been interpreted as altered biotite or phlogopite (Eyerman, l9l 1; Gordon, 1922; Montgomery..."eastonite" did arise by Table 3. Analyses of selected biotite and "eastonites" from the literature Eyerman(1904...Alrv Alvl Mg Ti Fe3* Fe,* Mn Na K Light-brown biotite B(80) Dark-brown biotiteC(511) 41.07 23.34 23 |  | | Journal (article/letter/editorial) | | Iron-Magnesium Distribution between Co-Existing Garnet-Biotite and Garnet-Hornblende By M. J. FROST ABSTRACT...garnet-biotite, garnethornblende, and garnet-pyroxene. It seems unlikely that either biotite, garnet...OF ELEMENTS BETWEEN GARNET AND BIOTITE. Co-existing garnet and biotite were analysed from a total of...a series of analyses of co-existing garnet and biotite in equilibrium at a single temperature and pressure...metamorphic indices of co-existing garnet and biotite. Sample No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. |  | | Journal (article/letter/editorial) | | Wodgina District in Western Australia This is one of the best garnet districts in Australia and is active...today. It is in the Northwest Division of Western Australia and is roughly a circle with a diameter of... Wodgina is the premier tantalum district of Australia. The Australian government is now stockpiling...Localities of Australia and Tasmania I.âBroken Hill, N. S. W . . 9 . â W o d g i n a , W . Australia 2.âBingarra...âBingarra, N. S. W . 10.âMaeDonnell Range, C. Australia 3.âPaling Yard, N. S. W . 11.âChillagoe, Queens 4 |  | | Report (issue) | | IN WESTERN AUSTRALIA by F? B. Abeysinghe and J. M. Fetherston -m GEOLOGICAL SURVEY OF WESTERN AUSTRALIA... Ranford DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA David Blight Copy editor: L. Day The recommended...FETHERSTON, J. M., 1999, Kaolin in Western Australia: Western Australia Geological Survey, Mineral Resources...Library of Australia Card Number and ISBN 0 7309 6649 6 Abeysinghe, P. B. Kaolin in Western Australia Bibliography...2. I. II. 111. Kaolin -Western Australia. Kaolin industry - Western Australia. Fetherston, John, 1943- |  | | Report (issue) | | OOVERNMENT OF WESTERN AUSTRALIA 1 TALC, PYROPHYLLITE AND MAGNESITE IN WESTERN AUSTRALIA FRONTISPIECE:...Talc Asia Pacific GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 16 by P. B. Abeysinghe...R. Perry DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Pietro Guj Copy editor: J. F. Johnston The...Talc, pyrophyllite and magnesite in Western Australia: Western Australia Geological Survey, Mineral Resources...Resources Bulletin 16. National Library of Australia Card Number and ISBN 0 7309 6547 3. Abeysinghe, P |  | Merino, E., Villaseca, C., Orejana, D., Jeffries, T. (2013) Gahnite, chrysoberyl and beryl co-occurrence as accessory minerals in a highly evolved peraluminous pluton: The BelvĂs de Monroy leucogranite (CĂĄceres, Spain) Lithos, 179. 137-156 doi:10.1016/j.lithos.2013.08.004 | Journal (article/letter/editorial) | | batholith deïŹnes a continuous plutonic array, the western and eastern sectors display contrasted geochemical...Al2O3, P2O5 and Rb contents when compared to the western part of the batholith (W-MTB), and on their contrasted...Ghn: gahnite. B) SimpliïŹed geological map of the western segment of the Montes de Toledo batholith (W-MTB;...sillimanite + biotite ± cordierite, in the nearest contact, and ii) andalusite + biotite + muscovite ±...(NWâSE, from N110° to N160°), emplaced to the western part of the BelvĂs pluton (Fig. 1A). Both dike |  | | Report (issue) | | MINES. N1S K l t A 1, RESOURCES OF âCTESTERN AUSTRALIA. BULLETIN KO. 2. BY R. S. MATHESON BSc. GEOLOGICAL...67 (i!) PLANS. Phte. il a I. Map of TTesterii Australia, hhov i q g 1,ocahties of P r t n c i ~ t ~ Jiii............. Phlogopite . . . . . . . . . . . . Biotite ............ Lepidolite ............ Distribution...inthiitries, there has been a n increasing demand in Australia f o r clear ;incl coinmercial clear sheet mica...erery State in the Commonwealth. I n TTrstern Australia the m o 4 important known deposits are ~ituateilon |  | | Report (issue) | | (-1.00)- (-1.30) Phlogopite 3.00-2.85 Mg biotite Fe+2 biotite <+0.50 (-1.00)-(-1.50) 2.90-2.65 Siderophyllites...noticed, however, that in formulas calculated from biotite analyses, the number of occupied octahedral positions...this low octahedral occupancy he postulated that biotite is intermediate between phlogopite and muscovite...to 1 of muscovite, which yields a formula for biotite of: 0.00 -1.00 [(Alp.67Mg2.oo) (Sia.ooAlj.oo)...siderophyllite and in the formula suggested by Holzner for biotite, trivalent octahedral ions are accommodated in |  | | Journal (article/letter/editorial) | | et al. (2007) Jacobson et al. (2007) Western Australia, Australia Bazzite 967 Heftetjern pegmatite, TĂžrdal...et al. (2007) Jacobson et al. (2007) Western Australia, Australia Beryl 3000 Sinceni pluton area, central...Bityite 2590 Rothsay pegmatite, Rothsay, Western Australia, Australia Jacobson et al. (2007) Jacobson et al...et al. (2007) Jacobson et al. (2007) Western Australia, Australia Ehrleite 1702 Tip Top mine, Fourmile...et al. (2007) Jacobson et al. (2007) Western Australia, Australia Eudidymite 1267 Igaliko complex, Narsaq |  | | Journal (issue) | | Jacob Andy Shen San Diego, California Sydney, Australia Wuhan, China Edward W. Boehm A.J.A. (Bram)...Guanghai Shi Chattanooga, Tennessee Perth, Australia Beijing, China James E. Butler Mary L. Johnson...gem corundum in alkali basalts as in eastern Australia, and sapphire in lamprophyre and syenite as in...different substrata, mainly corundum-bearing Mg-Cr-biotite schist). Examples of the first subtype include...placers related to alkali basalts, as in eastern Australia or southern Vietnam, while placers in metamorphic |  | | Journal (issue) | | available from the Musgrave Ranges, Ranges, Australia Australia (type (type material) material) Musgrave...diamond. Alexandrite chrysoberyl from Dowerin, Western Australia: revisited. W.R. H.J. MILLEDGE. MILLEDGE...mineralogy mineralogy of of the Dowerin deposit, an area in Western Australia Australia where small crystals gem-quality...for tourmaline, 0.10-0.63 wt.%). major and trace biotite, muscovite and beryl, together with major of the...White Cliffs Cliffs opal field, New South Wales, Australia. The The relationship between opal, is discussed |  | | Report (issue) | | RESOURCES BULLETIN 23 DIMENSION STONE IN WESTERN AUSTRALIA Volume 1 INDUSTRY REVIEW AND DIMENSION STONES...REGION by JM Fetherston DIMENSION STONE IN WESTERN AUSTRALIA VOLUME 1 INDUSTRY REVIEW AND DIMENSION STONES...SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 23 DIMENSION STONE IN WESTERN AUSTRALIA VOLUME...EXECUTIVE DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Tim GrifïŹn REFERENCE The recommended reference...Fetherston, JM, 2007, Dimension stone in Western Australia: Volume 1 â Industry review and dimension |  | | Journal (issue) | | He began purchasing gems during port visits to Australia, India, and Ceylon (now Sri Lanka), and even designed...or across the land route through Alexandria to Western Europe and then were set in this medieval book...Samples 1â5 were recovered from the kimberlites of western Yakutia and weighed 13â25 ct each; sample 6, 1...chromite. Gem-quality stichtite has been found in Australia, Canada, and South Africa. It occurs in serpentine...and is the largest diamond ever reported from Australia. The Merlin project is situated on land owned |  | | Journal (issue) | | white albite, oligoclase, quartz, muscovite and biotite. G raphic feldspar occurs in some quantity near...Wod1ina District in Western Aultralia This is one of the best garnet districts in Australia and is active...today. It is in the Northwest Division of Western Australia and is roughly a circle with a diameter of...Wodgina is the premier tantalum dis. trict of Australia. The Australian government is now stockpiling...~~ s· a-·âąÂ· > .;; Q.., ~ g_ ;;· :J C: AUSTRALIA SCAlf 0, MllfS 9 50 Q) zoo .IOO :x, soo |  | | Journal (issue) | | 2.69 orange-pink weak violet violet Biron (Australia) pinkish Novosibirsk (Russia) pinkish 1.570...Pinkish synthetic beryls are also produced in Australia by Biron International Ltd., which are well known...number of synthetic beryls produced in Japan and Australia. The recent red beryls show strong pleochroism...crystals of beryl obtained from pegmatites in Australia, Brazil and China. Eleven single crystals from...Heffernan's mine, Torrington, New South Wales, Australia, five from Arac,uai and two from unknown localities |  | Konzett, JĂŒrgen, Schneider, Tobias, Nedyalkova, Latina, Hauzenberger, Christoph, Melcher, Frank, Gerdes, Axel, Whitehouse, Martin (2018) Anatectic Granitic Pegmatites from the Eastern Alps: A Case of Variable Rare-Metal Enrichment During High-Grade Regional Metamorphism â I: Mineral Assemblages, Geochemical Characteristics, and Emplacement Ages. The Canadian Mineralogist, 56 (4) 555-602 doi:10.3749/canmin.1800008 | Journal (article/letter/editorial) | | the Texel Complex, which represents one of the western sections of the Eastern Alpine basement nappe system...boudin in garnet-staurolite-muscovite-paragonite-biotite gneiss; a quartz core shows well developed extensional...lithologic contact between garnet-muscoviteparagonite-biotite gneiss and calcite marble; (D) portion of pegmatite-5...the schistosity of garnet-muscovite-paragonite-biotite gneiss; clusters of coarse-grained muscovites are...with Glitter data reduction software (Macquarie, Australia). Additional LA-ICP-MS analyses of oxide phases |  | | Report (issue) | | COMMON CLAYS IN WESTERN AUSTRALIA by P. B. Abeysinghe GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES...BENTONITE, ATTAPULGITE, AND COMMON CLAYS IN WESTERN AUSTRALIA by P. B. Abeysinghe Perth 2002 MINISTER...Limerick DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Tim Griffin REFERENCE The recommended reference...attapulgite, and common clays in Western Australia: Western Australia Geological Survey, Mineral Resources...Resources Bulletin 20, 202p. National Library of Australia Cataloguing-in-publication entry Abeysinghe, P |  | | Book (edition) | | Angola Argentina 18 3 oa G 2 2202. â12 1 32 Australia ustria Austri 218. 7 12° 3 204 2 D 2 104...Asarco Mexicana Aswan Augusta County * Avoca (Western Australia) * Bagdad Bartlett Bear Lodge * Benedict *... Seneca Township * Smithland * Social Circle Western Arkansas * Woodâs Mountain * Yanhuitlan * Yingde...+ Pentolina + Shiriya + Stony-iron Pallasite Australia Mineo + Pseudometeorite Aba Allport Alto Verde...Agricultural College Angara Brianza + Calumet County Dowerin Kirkland + Nova Lima South Strafford Wolfsegg Stone |  | | Book (edition) | | 1020° 0.15± 0.23± 3.98 3.94 Sonora Spain Australia Saxony o N (Na) 1 N (Li) 3 % FeS 955° 919°...crystals are sometimes produced by alteration as when biotite or amphibole alters to chlorite. They are common...temperature may result in paramorphs of hornÂŹ blende and biotite with borders of magnetite; cleavage lines of the...Fluoresces in ultra-violet rays. pegmatite in Western Australia, Brazil, and Rhodesia. COLUMBITE Orthorhombic...Bowley and L. E. R. Taylor: Jour. Roy. Soc. W. Australia, XXV, 89 and 93 (1939). P. F. Kerr and R. J. |  | | Journal (article/letter/editorial) | | (continuous sheets of SiO4 tetrahedra) aspidolite biotite chlorite group chamosite clinochlore clintonite...beckettite berthierine beta-moissanite beusite biotite blödite bobdownsite bornite breunnerite brezinaite...that paper. Hydrous phases include amphibole, biotite, apatite and opal (e.g., Watson et al., 1994; Lee... metamorphism, and origin of an amphibole-and biotite-bearing R chondrite. Geochim. Cosmochim. Acta 72...Paraotwayite: a new nickel hydroxide mineral from Western Australia. Can. Meteorol. 25, 409â411. Nielsen, H.P |
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