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| dimension stone rock types include granite and metamorphic rocks, black granite, marble, and sandstone, together...maps produced by the Geological Survey of Western Australia are available from: Information Centre Department...Resources Bulletin 24 Dimension stone in Western Australia Volume 2 Volume 2 covers much of the published...in the southern, central western, and northern regions of Western Australia. Almost 120 sites have been...DIMENSION STONE IN WESTERN AUSTRALIA Volume 2 DIMENSION STONES OF THE SOUTHERN, CENTRAL WESTERN, AND NORTHERN |
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| 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 |
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| 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 |
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| crystallization and rapid crystal growth: a case study of orbicular granitoids of magmatic origin Julin Zhang & Cin-Ty...crystallization and rapid crystal growth: a case study of orbicular granitoids of magmatic origin, International Geology...crystallization and rapid crystal growth: a case study of orbicular granitoids of magmatic origin Julin Zhang and...ABSTRACT ARTICLE HISTORY Archaean orbicular granitoids from western Australia were investigated to better understand...1997), providing upper bounds KEYWORDS Orbicular granite; crystal growth; kinetics; diffusion; pegmatite |
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| 2007 Radial orbicular granite − bearing 127 Radial cordierite-bearing orbicular granite formed from...Education, Joetsu 943 − 8512, Japan ** Orbicular granite occurs at Minederayama in the Tsukuba Mountains...demonstrate that the mineral assemblage of the orbicular granite reflects the incongruent melting of pelitic...Important factors in the formation of the orbicular granite are the unmixing between the incongruent melt...hornfels and host granite melt, and the infiltration of the incongruent melt into the host granite melt as the |
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| FACETING DESIGN: Nested Triangles FIELD TRIP: Orbicular Granite in New Mexico “Triassic Park” Fossils in Arizona...Arya Akhavan FIELD TRIP Sandia Mountains Orbicular Granite........ 26 Persistence pays off at this New...Australians who were searching a known gold area in Western Australia with a metal detector. The nugget weighs in...metal in various forms and types. We traditionally mount our cabochons in metal pendant, brooch, earring...the easiest ways to begin is by making a pendant mount of wood instead of metal. Thin (¼ inch or so) pieces |
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| 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 |
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| of Zimbabwe G Z S Newsletter June 2009 Orbicular Granite, Diana’s Pool, Matopos Photo: Sue Brooks...Archaeology—Reply to Love and Walsh ………….……..…………………. 5 Orbicular Granite – Diana’s Pool, Matopos …..…...……….………………………...04-301855 and the address is 94B Pendennis Road, Mount Pleasant in Harare. marion.debeer@cadline.co.zw...or the Editor on request. A Note on the Orbicular Granite in the Diana’s Pool Area, Matopos, Rhodesia...Rhodesia O.G. Garvie The orbicular granite, briefly described, was discovered by Owen Garvie in the Diana’s |
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| 2004 Anorogenic Gross Spitzkoppe granite stock in central western Namibia: Part II. Structures and textures...ABSTRACT The anorogenic Cretaceous Gross Spitzkoppe granite stock and associated bimodal dike swarms, are related...alkali feldspar-quartz intergrowths and dendritic biotite, indicate unidirectional crystal growth against...also by an irregular dike of orbicular granite cutting the marginal granite of the stock. INTRODUCTION...Cretaceous anorogenic Gross Spitzkoppe granite stock (GSS), western Namibia. Geological setting, magmatic |
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| COMMISSION GEOLOGIQUE DE FINLANDE N:o 83 ON ORBICULAR GRANITES SPOTTED AND NODULAR GRANITES ETC. AND...COMMlSSION GEOLOGIQUE OE FINLANOE N:o 83 ON ORBICULAR GRANITES SPOTTED AND NODULAR GRANITES ETC. AND... ... . . .. .... . .... . . Tbc ol'biclI lgranite ,,'ith ;:mal l -phcl'oie;H ... . ... ... . . ....IICROS COP ICA I. DESCRIPTION SOME REMARKS ON TRE ORBICULAR GRAKJTE OF KANGASNIE:VU ,\DDITIOXAL OBSERVATIOKS...THEORETICAL CO~CLUSIONS (,OKCER~ING THE ORIGIX OF ORBICULAR G RANITE S ..... .. . . .... . . ARE THE S PHEROTDS |
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| Crystallisation of ne- and coarse-grained A-type granite sheets of the Southern Oklahoma Aulacogen, U.S...Crystallisation of ne- and coarse-grained A-type granite sheets of the Southern Oklahoma Aulacogen, U.S...Crystallisation of fine- and coarse-grained A-type granite sheets of the Southern Oklahoma Aulacogen, U.S...first as fine-grained granite sheets and then subsequently as coarser-grained granite sheets. Aplite dykes...coarser-grained granite sheets but rare to absent within the older fine-grained granite sheets. The older |
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| Vermont granites .............................. Biotite granite ...................................................... ................. Hornblende-augite granite ........................................ 12 Geologic........................................... Orbicular granite................................................... .................................. The granite railroads .............................................. Grout quarry............................................. Kearney Hill quarry............... |
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| mineral has only been found in The Mendips. (Merehead Quarry Mendips Somerset) f3.50 C273 COLORADOITE Mine...areas in matrix XRD) A W matrix (Bessie Tyube Quarry on Basalt.(Island "B" - C278 GOETHITE really...masses richly scattered in white (Meldon Aplite Quarry, neax Okehampton Devon) lxl SOp lx2 fl.00 2x2 f2...f.3.20 lxl C297 TOBERMORITE white (Crestmore Quarry, ~reas in california C298 TOURMALINE very Tourmaline...miner Hematite. EJ crystal. BAUXITE location Quarry, Portrush, with ins f4 17 piece, brownish |
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| JEWELRY BEST OF 2014 • FIELD TRIPS: New Mexico Orbicular Granite Purple Agate from Arizona • COLLECTING FOSSILS...rockhound symbols Field trip: Sandia Mountains Orbicular Granite ....................................... 18...Australians who were searching a known gold area in Western Australia with a metal detector. The nugget weighs in...Dodecahedron 17 FIELD TRIP SANDIA MOUNTAINS ORBICULAR GRANITE Persistence Pays Off at This New Mexico Site...and Photos by Robert Beard A display of orbicular granite from the Sandia Mountains occupies a prominent |
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| porphyritic pink orthoclase granite cut by numerous qlartz string_ ers and pegmatitic granite. The low cliffs of...veins. As needles in quartz. Pseudomorphous after biotite. In plates in pegmatite. Along strand line. In...in this discussion.. The rocks of this extreme western area are chiefly Moosup Valley gabbro, Northbridge...Northbridge and Putnam gneisses,qtrartz stringers, granite pegmatites, granites and various schists. TowN oE...near a spring. It is found in a disintegrating granite. Some excellent blue crystals, four to six inches |
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| petrographical insight into the formation of orbicular granitoids from the Bonney Pluton, southern Victoria...Ltd Exploration Department, PO Box 1, Tabubil, Western Province, Papua New Guinea †GNS Science, Dunedin...near-equilibrium crystallization in the host granite. 1. Introduction Orbicular granitoid rocks are very rare and...characteristics (Leveson, 1966). Despite their rarity, orbicular granitoids are found worldwide in low abundances...academic perspective, few detailed studies of orbicular granitoids have been published. Perhaps as a consequence |
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| TM ratios in hydrated volcanic glass from the western U.S.A., proving that the isotopic compositions...• 0.i (2) Glassy groundmass Quartz Andesine Biotite Hornblende Magnetite Glassy gronndmass Quartz Sodie...rock 6.1 • 0.2 (4) Whole rock Quartz Sanidine Biotite Whole rock 14.0=[=0.1 9.8 8.2 6.1~0.1 8.2 (2)...aphanitic, Na-rich, Sonoma Co., Valley of the Moon quarry, 4 mi. E of Kenwood Whole rock Rhyolite perlite...0 (1) 7.1 (1) Whole rock Quartz Oligoclase Biotite Magnetite Black obsidian Grey perlite Whole rock |
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| OF MINERALS FROM MIGMATITES, RAPAKIVI GRANITES ORBICULAR ROCKS J. H O E F S AND AND S. E P S T E I N...granites a n d orbicular rocks. Lithos 2, 1-8. s/Ol6 ratios o f quartz, feldspar, biotite a n d g a r n...values o f feldspars from rapakivi a n d f r o m orbicular rocks ." considered in t h e light of t h e existing...formation. At the same time, some rather unusual orbicular rocks were examined together with rapakivi granites...Finland are essentially mixtures of granite and quartz-plagioclase-biotite gneiss. H~irme (1959, 1965) looks |
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| sedimentary rocks of Pennsylvanian age, younger Westerly Granite, and underlying igneous and metamorphic rocks of...rphic rocks of western and southwestern Rhode Island. _ Metavolcanic rocks of western Rhode Island.___-_..._---_---Porphyritic granite gneiss.._._-______.__---____-------_Scituate Granite Gneis8-___-_--____--_-__-__--...Rod Granite Gneiss...._____---____---__-_-_--_--Fine-grained granite related to Scituate Granite Gneiss...Gneiss and Ten Rod Granite Gneiss...-__-_--_-___-.....-.....-_ Potter Hill Granite Gneiss...-._-__________ |
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| by Firefly Books Ltd. PO. Box 1338, Ellicott Station Buffalo, New York 14205 66 Leek Crescent Richmond...materials created by. living organisms rocks such as granite. The mineral grains in these rocks are actually...in this sediment sometimes form fossils. Orbicular granite, Finland * 99 x 74 x 31 cm. This uncommon...surface, creating an intrusive igneous rock such as granite. These rocks become exposed to wind, water and...Corundum encke Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm Corundum, Mozambique |
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| Riverside, Conn. The following minerals were received: Biotite: black, radiating plates on massive smoky quartz...showing striated faces, with dark bronzybrown biotite in massive smoky quartz. Byram and Old Greenwich...hunting with my father, and some friends, at Gillette Quarry, Haddam Neck, Conn. While going over the old dump...attention by Jim Thompson of the Bonners Ferry Ranger Station. The mine is located several hundred feet below...specimens found are: Biotite: tiny, lustrous black flakes in a pinkish granite found in a large rock |
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| 480 Latrobe Street Melbourne, Victoria 3000, Australia Macmillan of Canada Division of Gage Publishing...name of the rock can be assigned. For example, granite must have quartz and potassic feldspar, syenite...important enough to modify the name, for example, biotite granite, hornblende syenite, bituminous limestone,...especially in compound rock names like granogabbro (granite-gabbro), monzogabbro (monzonite-gabbro), rhyodacite...achnahaite ig. pluton. Seldom used term for a biotite eucrite, esp. from Achnaha, Scotland. [Achnaha] |
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| proportions, but other dark minerals may include biotite and augite. With the addition of small amounts...becomes a granodiorite; with larger amounts, a granite. These three rock types often occur together in...and the same process of formation. COMPOSITION Granite is always made up of three different kinds of minerals:...grey quartz, and black mica (biotite). quartz biotite feldspar GRANITE transparent and glassy thin...thin sheets and dark colour BIOTITE light colour and square corners QUARTZ FELDSPAR The Rock Cycle sandstone |
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| ....................... 367 The Westerly gray granite.......................................................................... 367 The Westerly red granite........................................................................ 368 Quonochontaug orbicular granite.............................................arragansett bay is formed of Paleozoic schists an d granite where th e rocks are not concealed b y glacial...of th e rocky p oints contain in tru sio n s of granite, w hich furnish m aterial for q u ite a n im p |
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| About l/2ins size. (Wolfram Camp North Queensland,Australia) £12 063 CAVANSITE Ca (V 0 ) SiO Looks like a...Chalcopyrite. (McAlpines Mine near Brungle NSW Australia) U ins £3 1 x 54 £6 1 254 DIABOLEITE Pb Cu Cl...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 - 553 TETRAHEDERITE (Cu ?e) ;'L...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) 54 x 54 £2 269 MENDIPITE Pb/3...metallic fibrous on 2cm white dolomite. (Lengenbach Quarry,Binn Valley Switzerland) £4.50 Lead Sulphide 250 |
