 | | Journal (article/letter/editorial) | | Department of Mineralogy, South Australian Museum, North Terrace, Adelaide, South Australia 5000, and School of...University of Adelaide, Adelaide 5005, South Australia, Australia Abstract The composition and microstructure...saurian bones (Plesiosaur) from Andamooka, South Australia, have been analyzed and compared to saurian...the same geological formation, north of Coober Pedy, South Australia. Powder X-ray-diffraction analyses...the opalized bones are composed of opal-AG and quartz. Major- and minor-element XRF analyses show that |  | | Journal (article/letter/editorial) | | 133 An isotopic study of surficial alunite in Australia 2. Potassium-argon MICHAEL I. BIRD, ALLAN geochronology...MCDOUGALL University, Canberra, A.C.T. 2601 (Australia) (Received June 28,1989; revised and accepted...(Isot. Geosci. Sect.), 80: 133-145. alunite in Australia, 2. Potassium- The potential for dating weathering...weathering and diagenetic events in Australia by the K/Ar dating of alunite-group minerals is assessed....62 Ma. K/Ar dating of an alunite sample from a central Western Australian laterite profile has provided |  | | Journal (article/letter/editorial) | | ultrahigh-temperature metamorphism in southern Australia K. Cutts ⁎, M. Hand, D.E. Kelsey Centre for Tectonics...University of Adelaide, Adelaide, South Australia, 5005, Australia a r t i c l e i n f o Article history:...Craton in southern Australia. Metapelitic granulites intersected from the Coober Pedy Ridge region contain...contain spinel + quartz + cordierite + garnet-bearing assemblages that formed at around 925 °C and 6.5 kbar...investigate the potential role of Mesoproterozoic Australia in the context of the evolution of the Columbia |  | | Book | | the visitor may see and do at Lightning Ridge, Coober Pedy, Andamooka, and on the Queensland opal fields...Grawin field, thirty miles west-south-west from Lightning Ridge, New South Wales. JACKET FRONT: A REED...DEDICATION To the people of the opal fields .in Australia Overleaf: Precious opals. A display of gen1s...Fields in Australia Map Types of Opal Mining Visiting Lightning Ridge Visiting Coober Pedy Visiting Andamooka...have been unsuccessful until quite recently. Australia is now the main producer of ge1n-quality opals |  | Armit, R., Betts, P.G., Schaefer, B.F., Yi, K., Kim, Y., Dutch, R.A., Reid, A., Jagodzinski, L., Giles, D., Ailleres, L. (2017) Late Palaeoproterozoic evolution of the buried northern Gawler Craton. Precambrian Research, 291. 178-201 doi:10.1016/j.precamres.2017.01.023 | Journal (article/letter/editorial) | | Atmosphere and Environment, Monash University, VIC, Australia GEMOC, Department of Earth and Planetary Sciences...Sciences, Macquarie University, NSW, Australia c Korea Basic Science Institute, Daejeon 305-333, Republic...Survey of South Australia, Department for State Development, GPO Box 1264, Adelaide, South Australia 5001... Australia e School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia f...Built Environments, University of South Australia, SA 5000, Australia b a r t i c l e i n f o Article |  | | Journal (article/letter/editorial) | | Geosciences, University of Sydney, Sydney, NSW 2006, Australia a r t i c l e i n f o Article history: Received...opal mined in Australia is sedimentary opal-A (Smallwood et al., 2008) with Australia supplying over...Quilpie Mintabie Lightning Ridge Coober Pedy Great Artesian Basin S Australia 50 30oS GREAT ARTESIAN BASIN...to 95 Ma when an epicontinental sea flooded central Australia (Frakes et al., 1987; Campbell and Haig, 1999)...by goethite and kaolinite mineralogy with minor quartz and illite (Table 1); in Lightning Ridge within |  | Reid, Anthony J., Jagodzinski, Elizabeth A., Armit, Robin J., Dutch, Rian A., Kirkland, Christopher L., Betts, Peter G., Schaefer, Bruce F. (2014) U-Pb and Hf isotopic evidence for Neoarchean and Paleoproterozoic basement in the buried northern Gawler Craton, South Australia. Precambrian Research, 250. 127-142 doi:10.1016/j.precamres.2014.05.019 | Journal (article/letter/editorial) | | basement inthe buried northern Gawler Craton, South Australia Author: Anthony J. Reid Elizabeth A. Jagodzinski...basement inthe buried northern Gawler Craton, South Australia, Precambrian Research (2014), http://dx.doi...basement inthe buried northern Gawler Craton, South Australia ip t Anthony J. Reida, Elizabeth A. Jagodzinskia... Bruce F. Schaeferd Geological Survey of South Australia, Department of Manufacturing, Innovation, Trade...3800, Australia us 1264, Adelaide, SA, 5000, Australia Geological Survey of Western Australia, Mineral |  | | Journal (article/letter/editorial) | | Patrick Lyons Geoscience Australia, GPO Box 378, Canberra, ACT 2601, Australia Received 30 November 2005;...northeast-trending shear zones in the north-west Gawler Craton of South Australia has been implicated in widely...response to sinistral transpression, and dissect the north-west Gawler Craton into several geological domains...deformational event at ∼1530–1550 Ma across the north-western Gawler Craton. The timing of deformation...tectonism in adjacent provinces to the west and north. Crown Copyright © 2006 Published by Elsevier B |  | Glorie, Stijn, Hall, James W., Nixon, Angus, Collins, Alan S., Reid, Anthony (2019) Carboniferous fault reactivation at the northern margin of the metal-rich Gawler Craton (South Australia): Implications for ore deposit exhumation and preservation. Ore Geology Reviews, 115. 103193 doi:10.1016/j.oregeorev.2019.103193 | Journal (article/letter/editorial) | | northern margin of the metal-rich Gawler Craton (South Australia): implications for ore deposit exhumation and...northern margin of the metal-rich Gawler Craton (South Australia): implications for ore deposit exhumation and...northern margin of the metal-rich Gawler Craton (South Australia): implications for ore deposit exhumation and...University of Adelaide, SA 5005, Australia Geological Survey of South Australia, Department of Energy and Mining...Mining, GPO Box 320, Adelaide, SA 5001, Australia * Corresponding Author: E-mail stijn.glorie@adelaide |  | | Journal (article/letter/editorial) | | and Evolution of the Gawler Craton, Southern Australia MARTIN HAND,† Continental Evolution Research Group...Sciences, University of Adelaide, South Australia 5005, Australia ANTHONY REID, AND LIZ JAGODZINSKI...and Resources South Australia, GPO Box 1671, Adelaide, South Australia 5001, Australia Abstract The...seeking to describe the evolution of Proterozoic Australia. The craton is host to the Olympic Dam iron oxide...craton, and the golddominated systems within the central Gawler gold province. The spatial distribution |  | | Journal (article/letter/editorial) | | Allan Pring 2, * South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; Neville.Curtis@flinders... Flinders University, Bedford Park, SA 5042, Australia Correspondence: Jason.Gascooke@flinders.edu.au...(collection opal-AG samples Lightning Ridge, New South Wales, Australia) showing (a) irregular pattern of an opaque...sample—no POC; (b) regular pattern Ridge, New South Wales, Australia) showing (a) irregular pattern of an opaque...G8608 (opal-AG, white opal showing POC from South Wales, Australia); and (d) G32740 (opal-AN (hyalite) from |  | | Book | | many fun-filled weekends for all the family. Australia is renowned for the world's finest Opal. But opal...plants. Plesiosaurus bones have been mined at Coober Pedy, but all without heads! WHAT IS OPAL? Opal, from...generally 5.5 to 6.5 on Moh's hardness scale. (Quartz measures 7 .) The Opal is set apart from other...No two opals are exactly alike! found mostly in central Queensland. It is a curious formation of silica..."nodules". The unique 4 AUSTRALIAN OPAL DEPOSITS Australia is the world's greatest producer of precious opal |  | | Report (issue) | | Page: Robert A. Smith of Lightning Ridge in New South Wales takes stunning photographs vibrant with opal...Formation in Australia BY JACK TOWNSEND 70 22 Queensland Opal 75 White Cliffs in New South Wales: Opals...ELIZABETH T. SMITH 44 The Opal Fields of South Australia BY ANDREW CODY 100 Synthetic, Color Enhanced...and possibly even rubellite (tourmaline), or rose quartz. When he used the term amethystos, 6 Pliny was...various varieties of quartz (e.g., prase, chrysoprase, plasma, green jasper), quartz stained with secondary |  | | Book | | 480 La Trobe Street Melbourne, Victoria 3000, Australia Nelson Canada 1120 Birchmount Road Scarborough...Formed from Surface Water: 19 The Opals of Australia PART II Gemstones of Igneous-Hydrothermal Origin...129 The Diamond Deposits of Argvle, Western Australia Index 141 FOREWORD Each gem deposit-whether...surlace waters, focusing on the opal deposits of Australia. Part II of this book is devoted to those gem... Egypt and the new find at Argyle in Western Australia are used as examples. It is worth noting that | | | Book | | 480 La Trobe Street Melbourne, Victoria 3000, Australia Nelson Canada 1120 Birchmount Road Scarborough...Formed from Surface Water: 19 The Opals of Australia PART II Gemstones of Igneous-Hydrothermal Origin...129 The Diamond Deposits of Argvle, Western Australia Index 141 FOREWORD Each gem deposit-whether...surlace waters, focusing on the opal deposits of Australia. Part II of this book is devoted to those gem... Egypt and the new find at Argyle in Western Australia are used as examples. It is worth noting that |  | | Book | | who found the multi-million dollar run at Coobcr Pedy and saw his opal. As a result he became an opal...miner for a holiday and, in 1965, struck it rich at Coober Pcdy. This was the beginning of his love a�air...219 Park Avenue South, New York, N.Y. 10003 Copyright© 1971 by Thomas Nelson {Australia) Ltd Reprinted...Fields of Australia 9 Lightning Ridge I4 Lightning Ridge Lives Again I8 Cooher Pedy 27 The Nature...to men from opal fields scattered throughout Australia. That is how the terminology of the opal originated | | | Book | | weekends for all the family. : '. . ' ~ L . ..... Australia is renowned for the world's finest Opal. But opal...plants. Plesiosaurus bones have been mined at Coober Pedy, but all without heads! WHAT IS OPAL? Opal,...generally 5 .5 to 6.5 on Moh's hardness scale. (Quartz measures 7.) The Opal is set apart from other gemstones...OPAL is a special type of opal found mostly in central Queensland . It is a curious formation of silica..."nodules". The unique 4 AUSTRALIAN OPAL DEPOSITS Australia is the world's greatest producer of precious opal |  | | Book (edition) | | cover is a spectacular opal find from Mintabie, Australia, photographed by the author. The back cover pictures...guess I will just have to keep going back to Australia again and again! The stories contained in this...times. We have traveled back and forth across Australia many times. It is less confusing for you if I...History of Opal in South Australia 31 35 To Find Opal 37 6. A Trip to Coober Pedy 47 Ts Mining...Mining in Coober Pedy 55 8. It’s Mintabie, Mate! 71 9.. Mining in Mintabie 77 10. An Opal Buying Trip |  | | Journal (article/letter/editorial) | | Allan Pring 2,4 South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; neville.curtis@flinders...University, Sturt Rd, Bedford Park, SA 5042, Australia; jason.gascooke@flinders.edu.au (J.R.G.); allan...University, Sturt Rd, Bedford Park, SA 5042, Australia Department of Geology, School of Physical Sciences...Sciences, University of Adelaide, Adelaide, SA 5005, Australia Correspondence: martin.johnston@flinders.edu.au;...order of magnitude faster than for silica glass and quartz, with Q3 (silanol) usually faster than Q4 (fully |  | | Book | | amorphous silica science, that scientists from Australia and around the world continue to make contact...Hungary and Eastern Czechoslovakia. But it was Australia, the land of the Southern Cross, where this breathtaking...first discovered on Tarrawilla Station, 50 miles north of Adelaide. There is no record of Australia's first...been a mine there, only some surface prospects. Australia has not only been blessed with most of the World's...Black opal is the rarest and most valuable, with Australia having 99.9% of the World's supply of the famous |  | | Journal (article/letter/editorial) | | Geoscience Journal of the Geological Society of Australia Publication details, including instructions for...com/loi/taje20 Remarks on the age of precious opal in central Australia: reply to comment by Bruce Dickson P. F. Rey...The University of Sydney, – Sydney, 2006, NSW, Australia Published online: 17 Feb 2014. To cite this article:...(2013) Remarks on the age of precious opal in central Australia: reply to comment by Bruce Dickson, Australian...Geoscience Journal of the Geological Society of Australia, 60:8, 835-838, DOI: 10.1080/08120099.2013.870229 |  | | Report (issue) | | taken from the Library NN GU 1900 TP CATALOGUE SOUTH OF AUSTRALIAN MINERALS: 1983 by R.J. Noble...Government Printer, South Australia, 1983 REF 349.994, N668c Noble, R. A. Catalogue of South Australian minerals...(Robert John), 1946—supiic LIBRARY Catalogue of South Australian minerals: 1983. Bibliography. ISBN 0...Mineralogy—South Australia. |. Just, J. (Juri). Il. Johnson, J. E. (James Eric). Ill. South Australia. Dept...and Energy. IV. Title. (Series: Handbook (South Australia. Dept. of Mines and Energy); 7) 549.99423 |  | | Journal (article/letter/editorial) | | scattering curves of opal-CT and microcrystalline quartz deviates from Porod’s law. The specific surface...non-crystalline opals and two microcrystalline quartz minerals (chalcedony and flint) were investigated...1h 1i Australia Coober Pedy, South Australia Coober Pedy, South Australia Coober Pedy, South Australia...Australia Coober Pedy, South Australia Boi Morto, Piaui, Brazil Boi Morto, Piaui, Brazil Gran Canaria, Spain...Spain Rio Grande do Sul, Brazil Angaston, South Australia Minas Gerais, Brazil Rio Grande do Sul, Brazil |  | | Journal (issue) | | Ridge. (Photo and stone courtesy of Cody Opal Australia) Industry News A Look At What’s Making News...Crystal Fire: Gem Opal Deposits in the Heart of Australia Water in Opal -- What Can It Tell Us? The Australian... USA, Canada, Germany, Italy, France, UK and Australia. ICA participation was strong with five Board...Padparascha, fire opal from Mexico, some opals from Australia, and orangey garnets, among others, are already...InColor Winter 2019 Vice Presidents Damien Cody, Australia Nirmal Kumar Bardiya, India Treasurer Marcelo |  | | Journal (issue) | | TREASURE 3 FROM OPAL Opal was discovered in Coober Pedy in 1915. The author discovered it 1994 but since...decided that our holiday destination would be Goober Pedy and all its wonderful opals, as the previous year...gold was the first object of fascination when South Australia has arguably the largest known deposit of opal...knew a miner in Coober Pedy and suggested we call on him. We arrived in Coober Pedy I Right: The 'Jupiter...Five' is a piece of solid opal discovered at Coober Pedy. It weighs more than five kilograms and is claimed |
|
