 | | 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...Batholith (2587±25 Ma). Beryllium mineralization at Dowerin occurs in plagioclasequartz-biotite-garnet gneiss...gneiss and cross-cutting tourmaline-plagioclase veins situated adjacent to lenses of actinolite-cummingtonite-phlogopite |  | | 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 |  | Pautov, L. A., Popov, M. P., Erokhin, Yu. V., Khiller, V. V., Karpenko, V. Yu. (2013) Mariinskite, BeCr2O4, a new mineral, chromium analog of chrysoberyl. Geology of Ore Deposits, 55 (8) 648-662 doi:10.1134/s1075701513080096 | Journal (article/letter/editorial) | | content (1.36 wt % Cr2O3) in chrysoberyl from Dowerin, Australia was published by Downes and Bevan (2002)...1976); Kerala, India (Soman and Nair, 1985); Dowerin, Australia (Downes and Bevan, 2002); Franqueira, Spain...area of the Emerald Mines is divided into the western zone, occupied by the Adui granitic pluton; the...Beryllium mineralization is mainly hosted in quartz– plagioclase veins and bodies of phlogopite schists, controlled...in granulitefacies Archaean rocks al Dowerin, Western Australia, Mineral. Mag., 2002. vol. 66. pp. 985–1002 |  | | 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...is due to reaction between biotite and basic plagioclase in the presence of acid solutions. Dr. Joseph |  | | Journal (article/letter/editorial) | | TO TABLE 1 1. Coarse-grained weakly-foliated plagioclase (An 48)-garnet-quartz-biotite schist from nr...nr. Holleton, W. Aust. University of Western Australia No. 37812. Mm. index from petrology and associated...rnet-plagioclase (An 30)-quartz granulite from nr. Ellen Brook, W. Aust. University of Western Australia...lase-plagioclase (An 26)-biotite-quartz gneiss from Yandanooka, W. Aust. University of Western Australia...Frost— 4. Medium grained weakly banded garnet-plagioclase (An 33)-orthoclasebiotite-quartz gneiss from |  | | 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- |  | 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 Belvís de Monroy leucogranite (Cáceres, Spain) Lithos, 179. 137-156 doi:10.1016/j.lithos.2013.08.004 | Journal (article/letter/editorial) | | batholith defines 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) Simplified geological map of the western segment of the Montes de Toledo batholith (W-MTB;...(NW–SE, from N110° to N160°), emplaced to the western part of the Belvís pluton (Fig. 1A). Both dike...trace-element composition (ppm) of K-feldspar and plagioclase from the Belvís granites. Belvís CU Mineral |  | | Journal (issue) | | available from the Musgrave Ranges, Ranges, Australia Australia (type (type material) material) Musgrave...the presence and apatite presence of of plagioclase plagioclase feldspar feldspar and in in the the ore-zone...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...White Cliffs Cliffs opal field, New South Wales, Australia. The The relationship between opal, is discussed |  | | 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, Jürgen, 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 – I: Mineral Assemblages, Geochemical Characteristics, and Emplacement Ages. The Canadian Mineralogist, 56 (4) 555-602 doi:10.3749/canmin.1800008 | Journal (article/letter/editorial) | | te-paragonite, quartz-plagioclase-muscovite, and quartz-K-feldspar-plagioclase-muscovite) together with...the Texel Complex, which represents one of the western sections of the Eastern Alpine basement nappe system...meter-sized bodies with simple quartz þ muscovite þ plagioclase 6 tourmaline assemblages and rare K-feldspar...phases, quartz-albite-muscoviteparagonite, quartz-plagioclase-muscovite, and quartzplagioclase-K-feldspar-...Aeschynite-group phases Nigerite Quartz Albite Plagioclase K-feldspar Garnet Beryl Tourmaline Muscovite |  | | 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 1–5 were recovered from the kimberlites of western Yakutia and weighed 13–25 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 |  | | 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 Griffin REFERENCE The recommended reference...Fetherston, JM, 2007, Dimension stone in Western Australia: Volume 1 — Industry review and dimension |  | | Journal (article/letter/editorial) | | et al. (2007) Jacobson et al. (2007) Western Australia, Australia Bazzite 967 Heftetjern pegmatite, Tørdal...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) | | Chattanooga, Tennessee A. J. A. (Bram) Janse Perth, Australia Michael S. Krzemnicki Basel, Switzerland Christopher...diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds tender...channel in 1996, when its Argyle operation in Australia ended its sales agreement with the DTC (Shor,...gems—cut supplies of Myanmar’s ruby and jade in Western markets to virtually nothing. This was particularly...(Laurs, 2009) following a 1999 discovery in the western part of that country. Large-Scale Mining Operations |  | | 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...placers related to alkali basalts, as in eastern Australia or southern Vietnam, while placers in metamorphic...rocks (China, Canada, Norway, Kazakhstan, and Australia) and Type IC in granitic rocks (Nigeria) are of |  | | Report (issue) | | conditions such as a biotite from a large zenolith (plagioclase) in biotite granite, or a biotite from a dark...1945, Minerals of the mont- Australia Series VIII: Royal Soc. W. Australia Jour., v. 18, p. 61-74. Winchell... S., 1932, Contributions to the mineralogy of Western 40.00 38.37 40.95 39.62 40.16 42.56 36.81 37...Mem., ser. A, vol. 57, p. 152. Associated with plagioclase and sanidine. 38. San Juan district, Colo., Larsen...gabbro. D27. Dowerin, Western Australia, Simpson, E. S., 1931-32, Boyal Soc. Western Australia Jour., v. |  | | 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) | | and the silicates are mainly hypersthene and plagioclase; and lodranites, consisting of approximately...AEUC and howardites, AHOW). They consist of plagioclase (Ango-97) and pyroxene, dominantly pigeonite...howardites. In a minor group, the shergottites, plagioclase is more sodic (about Anso) and present as a glassy...Angola Argentina 18 3 oa G 2 2202. “12 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 * |  | | Journal (article/letter/editorial) | | marialite maskelynite nepheline opal orthoclase plagioclase quartz sanidine seifertite silica with ␣-PbO2...perryite PGE-dominated alloys phlogopite pigeonite plagioclase plagionite platinum pleonaste portlandite po...some cases, coarse grains of forsterite and of plagioclase rimmed by calcic pyroxene crystallized near the...crystallization adjacent to relict grains of plagioclase and calcic pyroxene (Rubin, 2013a). AOI olivine...(kamacite) and Ni-rich metal. Coarse grains of plagioclase are absent in type-3 OC (outside rare Al-rich |  | | Book (edition) | | (1947). v 47511 VI PREFACE mineral, like plagioclase, may show continuous variation in composition...mineral had one fixed composition, and, therefore, plagioclase was considered to be a group of minerals each...at least in some cases, as illustrated in the plagioclase series. The very existence of these natural units...variations in composition and in physical characters (plagioclase and orthoclase—celsian), whereas the second edition...would modify its properties. Again diagrams for plagioclase are rather accurate, but an error of 3-4 per |  | | Book (volume) | | Czechoslovakia and part of Germany, was established. In Western Canada a network of 12 observatories surveys 600...Wabar, Ar ab ia 2,500 25 2,170 C,G < 5,000 Australia 0.1 0.06 O.D2 0.002 900 180 X 130 > 100...(Buchwald 1968a) it may be readily seen, e.g., that Western Europe, North India an d Japan have contributed...falls than, e.g., North Europe, South India and Australia. Common factors in countries with a high rate...North America, Mexico, Chile, South Africa and Australia. See, for example, the World Map, published by |  | | Book (volume) | | This latter piece was later presented to the Western Reserve Historical Society , Cleveland, Ohio (Preston...- Ponca Creek COLLECfiONS Washington (5 kg), Western Reserve College, Cleveland, Ohio (4.4 kg), Chicago...typical I mm field will Alikatnima, Central Australia 23°20'S, 134°7'E HISTORY Two masses of 20 and...Australian Museum, Adelaide, and a third in Central Australia(Hey I966: I6;Corbett I968). DESCRIPTION A brief...5 x 5 x 2 em) Arltunga, Northern Territory, Australia 23°28'S, 134°40'E Ataxite, D. Extremely fine Widmanstatten |
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