 | | Journal (article/letter/editorial) | | Mineralization in the Northern East Strelley Belt, Pilbara Craton, Western Australia D. E. L. BAKER,† P. K. SECCOMBE...of Newcastle, Callaghan, New South Wales 2308, Australia Abstract The McPhees and Iron Stirrup deposits...deposits, recent gold producers in the Pilbara Craton, Western Australia, are located within a succession of...Archean metavolcanic rocks of the northern part of the East Strelley belt. Deformation occurred during five...controlled synkinematic intrusion of granitic pegmatite at ca. 2880 Ma. At the McPhees deposit, narrow |  | | Journal (article/letter/editorial) | | shortening in the North Pilbara Granite-Greenstone Terrane, Western Australia Richard S. Blewett * Minerals...Di6ision, AGSO-Geoscience Australia, GPO Box 378, Canberra City ACT 2601, Australia Received 3 November 2000;...2000; accepted 21 June 2001 Abstract The Archaean Pilbara granitoid-greenstone terrane (GGT) has been the...dome-and-basin area around Marble Bar in the east Pilbara. This area has been used as evidence for different...responsible for the compressive deformation of the Pilbara GGT, at least from ca. 3.2 Ga. The relative chronology |  | | Report (issue) | | 22 TANTALUM IN WESTERN AUSTRALIA by J. M. Fetherston TANTALUM IN WESTERN AUSTRALIA FRONTISPIECE:...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...Resources Bulletin 22, 162p. National Library of Australia Cataloguing-in-publication entry Fetherston, John |  | | Report (issue) | | GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 12 THE TIN DEPOSITS OF ~ E S T E...Minister for Mines 77793-1 i National Library of Australia card number and ISBN 0 7244 7617 2 11 PREFACE...Although small by Australian and World standards, Western Australia’s tin deposits have yielded concentrates...of the Pilbara. The present study began at a time when declining production from the Pilbara deposits... The early recognition by the author that the Pilbara tin fields are related to plutons of “younger” |  | Huston, D. L., Sun, S.-S., Blewett, R., Hickman, A. H., Kranendonk, M. V., Phillips, D., Baker, D., Brauhart, C. (2002) The Timing of Mineralization in the Archean North Pilbara Terrain, WesternAustralia. Economic Geology, 97 (4) 733-755 doi:10.2113/gsecongeo.97.4.733 | Journal (article/letter/editorial) | | Archean North Pilbara Terrain, Western Australia DAVID L. HUSTON,† Geoscience Australia, GPO Box 378,...2601, Australia SHEN-SU SUN, Geoscience Australia, GPO Box 378, Canberra, ACT 2601, Australia, and Department...0200, Australia RICHARD BLEWETT, Geoscience Australia, GPO Box 378, Canberra, ACT 2601, Australia ARTHUR...Geological Survey of Western Australia, 100 Plain Street, East Perth, WA 6004, Australia DAVID PHILLIPS,...Australian National University, Canberra, ACT 0200, Australia DARCY BAKER, School of Geosciences, University |  | Kranendonk, M. J. V., Hickman, A. H., Smithies, R. H., Nelson, D. R., Pike, G. (2002) Geology and Tectonic Evolution of the Archean North Pilbara Terrain,Pilbara Craton, Western Australia. Economic Geology, 97 (4) 695-732 doi:10.2113/gsecongeo.97.4.695 | Journal (article/letter/editorial) | | Evolution of the Archean North Pilbara Terrain, Pilbara Craton, Western Australia MARTIN J. VAN KRANENDONK...Survey of Western Australia, 100 Plain Street, East Perth, Western Australia 6004, Australia AND GEOFF...28E, Monash University, Clayton, Victoria 3800, Australia Abstract Results from a multidisciplinary geoscience...since 1994 are summarized for the North Pilbara terrain of the Pilbara Craton. Major findings include the...to 2.85 Ga East Pilbara granite-greenstone terrane, the ca. 3.27 to 2.92 Ga West Pilbara granite-greenstone |  | | Journal (article/letter/editorial) | | 103–129 The Archaean Mount Gibson gold deposits, Yilgarn Craton, Western Australia: Products of combined...UniÕersity of Western Australia, Nedlands, WA 6907, Australia Received 1 October 1996 Abstract The Mount Gibson...of the Murchison Province, Yilgarn Craton, Western Australia. Primary gold mineralisation is hosted within...north to north-northeast striking, steeply east-dipping, Mount Gibson shear zone, paralleling primary layering...pyrrhotite–pyrite " chalcopyrite mineralisation at Mount Gibson. Although free gold is rare, there is a strong |  | | Journal (issue) | | ****Benzeholzstrasse 11, 6045 Meggen, Lucerne, Switzerland well-shaped crystals. In the sapphire lots there are...dirty-brown colour and sometimes fractured. In the North-Western region, corundum is Introduction found in Tertiary...NorthKenya and Tanzania, in addition to the many western region of Kenya. This is in the Turkana unusual...the location of the star sapphires in the North-western region of Kenya. The mining area, dashed area in...found that the former show a chemical composition as well as a pattern of minor elements similar to that of |  | | Journal (issue) | | Zambezi and Mozambique Mobile Belts in the north and east respectively, and the Early Proterozoic Limpopo...mafic and ultramafic rocks of greenstone belts are well known suppliers of mineral ores containing the economically...this gemstone is also present in the adjacent pegmatite. The emerald occurrences In May 1957 (Bohmke...mine takes about 3l/z hours. The first 135 km is a well-kept tarred road, passing various important asbestos...amphibolites. Emerald is present in the schists as well as in the felsic rocks (Figure 4). of the Machingwe |  | | Journal (issue) | | take a snapshot of what’s currently happening in Australia and Canada on the exploration front. As usual...Exploration 18 Barton Gold Company Profile Gold | Australia 20 Blue Sky Uranium Corp. Company Profile Uranium...Company Profile Gold | Nickel | Copper | PGEs | Australia 38 Emu NL: Uncovering a Diverse Portfolio of...Cobalt | Palladium | Australia 58 Kairos Minerals Company Profile Gold | Australia 60 The Rise and Rise...Minerals Company Profile Gold | USA | Canada | Australia 84 New Technology Playing Major Role in Revealing |  | | Journal (issue) | | was elected Vice-President of our Association - a well-deserved tribute and a fitting reward for the very...Association for more than half a century. We wish him well for many years to come. J. Gemm., Gemm., 1992...both visual observations and microscopic studies as well as for quantitative measurements of the CL spectra...electron bombardment. The greenish-yellow CL colour as well as a stress-induced cloud around this crystal not...to note anomalies in historical gem literature as well as in more recent works and to suggest some possible |  | | Book (volume) | | Descriptive Mineralogy Vandall T. King Rochester, New York 14609 , Eugene E. Foord U S. Geological Survey...has a delight in the surface landscape of Maine as well as its underground mineral resources. Field trips...mineralogical collections from Los Angeles to Boston, as well as Toronto and Ottawa in Canada and Paris, France...States Geological Survey in Reston, Virginia; the New York City Public Library; the Library of Congress; the...specimens directly in the field and by purchase, as well as by recording and photographing specimens in private |  | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ Papua New Guinea ...O02unse Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows...the remnant ovoid Pleistocene Luise Volcano on the east coast of Lihir Island, New Ireland Province, Papua...Economic Geology of Australia Guinea — 1. Metals 6.* Economic Geology of Australia Guinea — 2. Coal 7...Economic Geology of Australia Guinea — 3. Petroleum 8.* Economic Geology of Australia Guinea — 4. Industrial |  | | Journal (issue) | | Meanwhile the trading interests of the British East India Company had been growing and their protection...reality, Ed. R. Maillard, Crown Publishers Inc., New York. Wilson, W.J., 1888. History of the Madras Army...reveals the colourless nature of of the glass, as well as spherical gas bubbles. This is shown in Figure... Simply insert a gemstone into the polariscope 'well', rotate the filter, and view with ease whether...structures as well as about the possible n {2243} as predominant crystal forms as well asγ{0115} presence |  | | Journal (issue) | | refractive index of 1.67 was obtained from from a flat, well-polished surface on each of the four four stones...sink-float method. Both of the table cut stones as well as the larger oval cabochon sank very slowly in...Identification in the GIA Gem Trade Laboratory, New York, for his valuable comments during the preparation...**Consultant Gemmologist/Geologist, 91/4A Templars Road, Mount Lavinia, Sri Lanka Geological setting Gem sapphirine...Rakwana-Embilipitya of the village of Kolonne which is already well east of known for its sapphire, ruby, spinel, zircon |  | | Journal (issue) | | Minerals in 1953 he ensured that his department was well equipped for the rapid analysis of minerals and...Pocahontas A.E.Farn Farn A.E. Seaford, East Sussex Seaford, East Sussex I voted for the merger of The...was a slave. He killed his master and escaped to Western Europe and returned to England in 1604. Here he...the Indians, Pocahontas was held hostage, but was well treated. She received religious instruction and...cavities of of basic effusive effusive rocks as well as in Fig. 2. Distinct Distinct growth-zoning |  | | Journal (issue) | | would be most convenient for our Association, as well as its subsidiary Gemmological Instruments Ltd....in commercial gem testing and diamond grading, as well as in gemmological research. When considering the...Nigerian district of Jos, in Plateau State, has been well known for the production of cassiterite (see Jacobson...air km S SE of the town of Keffi, in the most western part of Plateau State, are the 'Rafin Gabas Hills'...of the past. However, similar occurrences might well be discovered in other districts as the Younger |  | | Book | | GEOLOGICAL SURVEYOR IN CHARGE. INTRODUCTORY. When Australia was being colonised the pastoral industry "was...must not be forgotten that the prosperity of Australia dates from the discovery of gold, which resulted...the different mineral deposits occur, it may be as well to give a tabulated statement showing in chronological...fire-clays). Ha vkeS bury I Narrabeen The o Mount Brown. Hawkesbury „ Contains precious Upper...Lave a wonderful effect in the development of Australia, and it was in the mother colony (New South Wales) |  | | Book (edition) | | Granite group Gneiss Granite Granodiorite Granulite Pegmatite Quartz-diorite Syenite Gritstone group Agglomerate...belt crossing Northumberland and continuing through East Cumberland, West Durham and the northernmost part...rocks belonging to it are worked in the south-western counties, in quarries in the metamorphic aureoles...roadstone in England and Wales. Through Northumberland, East Cumberland, Durham, Yorkshire and North Derbyshire...Dorset. Hard Cretaceous limestones are worked in East Yorkshire and in a belt through Sevenoaks, Maidstone |  | | Journal (issue) | | O. Box 787, Colombo, Sri Lanka. Abstract It is well known that Sri Lankan corundum with the milky white...reserves of corundum stones showing this feature. It is well known that certain varieties of these geuda stones...Lanka M.M.M. Mahroof Colombo, Sri Lanka It is well known in gemmology that Sri Lanka* was and is famous...Ceylon, it entered into the control of the Dutch East Indies Company - the VOC. The VOC was a massive...Ceylon gems. It was officially commented upon, as well. In 1907 Parsons, who headed the Mineralogical Survey |  | | Report (issue) | | 2109, Australia *Present address: Department of Geology and Geophysics, University of Western Australia...Australia, Nedlands, W.A. 6009, Australia. Copyright © 1994, The Geological Society of America, Inc. (GSA)...Macquarie University, North Ryde, N.S.W. 2109, Australia The idea for this volume arose during the Third...Sedimentological Congress held in Canberra in tors, eastern Australia, Antarctica, southern Africa, and south- August...the Late Permian of the Sydney Basin in eastern Australia, appeared to extend through Antarctica to Argentina |  | | Journal (issue) | | Basaltic occurrences of the mineral (e.g. in Australia, Malawi, Thailand, Cambodia, etc.), often producing...past from legendary regions of the inaccessible East! The mines in question, however, are considered...cannot be stated with certainty, and even localities well-known for their production of quality material also...Swiss Walch Hanni, Hänni, H.A., 1988 1988 •. An oil well in your garden? Swiss Watch and and Jewelry Journal...of agate that the author had experienced and may well be unique to Guyana. After transporting the materials |  | | Journal (issue) | | inclusion. (Plate 5, 'The growth of rubies in south-east Kenya'by R.M. Key and J.O. Ochieng, p.484). ISSN:...1986 the authors first saw faceted colourless as well as blue topaz containing brownish yellow acicular...appeared in a narrative of his voyage to the Far East and elsewhere, Resa uti utiEuropa, Europa,Africa...year. Here he received an invitation from the Dutch East Indies Company to act as surgeon and naturalist...boarded ship in 1775 and after stops in the Dutch East Indies eventually arrived at the island of Deshima |  | | Journal (volume) | | Muschelkalk, and the Keuper. * In our At the York Meeting own country the second of the British...on the eastern to beyond the Tees, and on the western Here they come to the sea, but may to North Lancashire...neighbourhood of Carlisle on the one hand and the north-east of Ireland on the other. In Scotland also, outlying...patches of that age occur on the north-eastern and western coasts. The Bunter, however, as we shall see...thin out in similar fashion towards the north and east, disappearing in the former direction before reaching |  | | Journal (issue) | | small cleavages, pressure and percussion cracks, as well as burn marks. An excessively strong pressure during... however, there is a connection with the dop as well (Figure 3). When a diamond is turned in the dop...planes parallel to the hexagonal dipyramid (2241) as well as glide planes parallel to the basal pinacoid (0001)...observable parallel to the basal pinacoid (0001) as well as second-order hexagonal prism parallel to the...stone, which is similar to a cat's-eye in other well known gemstones such as chrysoberyl and tourmaline |
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