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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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| 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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| 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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| 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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| 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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| Glass Libyan Desert Glass Area Great Sand Sea Western Desert, Egypt Associated with meteoric impacts...Glass Libyan Desert Glass Area Great Sand Sea Western Desert, Egypt This specimen of Libyan Desert Glass...Henbury Meteorite Iron - IIIAB Northern Territory, Australia - (24° 34’S, 133° 10’E) Highly sought after by...has wonderful colorful, texture and sheen. The granite base of the stand has some minor visible nicking...Meteorite Eucrite-mmict Wiluna District, Western Australia (26° 27’S, 120° 22’E) Fall: October 1960 This |
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| TM ratios in hydrated volcanic glass from the western U.S.A., proving that the isotopic compositions...aphanitic, Na-rich, Sonoma Co., Valley of the Moon quarry, 4 mi. E of Kenwood Whole rock Rhyolite perlite...Guatemala Whole rock 6.2 • 0.1 (2) G-706A Granodiorite xenolith, ejecta from Obrajuelo crater, SE Guatemala...Rise PV 650 Rhyolite obsidian, Cerro Ourito flow, Mount Ourito (A. E. J. ENG~L) Whole rock 6.0 :L 0.2...South A]rica. (See HALL, 1932) BV 3 Norite, m. g., quarry at Bon Accord, N of Pretoria, S border of complex |
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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 |
 | Díaz-Alvarado, Juan, Rodríguez, Natalia, Rodríguez, Carmen, Fernández, Carlos, Constanzo, Ítalo (2017) Petrology and geochemistry of the orbicular granitoid of Caldera, northern Chile. Models and hypotheses on the formation of radial orbicular textures. Lithos, 284. 327-346 doi:10.1016/j.lithos.2017.04.017 | Journal (article/letter/editorial) |
| Petrology and geochemistry of the orbicular granitoid of Caldera, northern Chile. Models and...and hypotheses on the formation of radial orbicular textures Juan Dı́az-Alvarado, Natalia Rodrı́guez...Constanzo, Ítalo, Petrology and geochemistry of the orbicular granitoid of Caldera, northern Chile. Models and...and hypotheses on the formation of radial orbicular textures, LITHOS (2017), doi:10.1016/j.lithos.2017...MANUSCRIPT Petrology and geochemistry of the orbicular granitoid of Caldera, northern IP T Chile. |
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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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| 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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| large fold in marble has been split by granodiorite and granite dikes on Deer Ridge. 6761c 4/2/84 Small-scale...intruded by the granodiorite of Giant Forest, as well as by older granodiorite and granite dikes that cannot...intruded by the dikes of the granodiorite of Giant Forest. Dikes of the granodiorite of Giant Forest are only...hornblende-free leucogranites, one is biotite granite and granodiorite, and one is mafic diorite. The granitoid...the east and northeast of the map area in the granodiorite of Mitchell Peak. Foliation within these blocks |
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| mapped the peninsular portion of Bristol Neck as granodiorite. The low clifis bordering the Taunton River...porphyritic pink orthoclase granite cut by numerous qlartz string_ ers and pegmatitic granite. The low cliffs of...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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| ............................................. Western Massachusetts....................................Brimfield schist.. Page. 68 68 68 69 69 71 71 72 Western border of the Carboniferous area.................................................... 91 91 93 Mount Toby conglomerate..................................... Outcrops of crystalline rocks in midst of Mount Toby conglomerate. Conway schist at Whitmores Ferry................................... 150 Stamford granite gneiss........................................ |
 | Pitcher, W.S., Cheesman, R.L., Anderson, J.G.C., Neville George, T., Read, H.H., Shackleton, R.M., Akaad, M.K., Lemon, G.G., Oswald, D.H., Pande, I.C., Tozer, C.F., Whitten, E.H.T. (1954) Summer field meeting in North-West Ireland with an introductory note on the geology. Proceedings of the Geologists' Association, 65 (4) 345 doi:10.1016/s0016-7878(54)80028-9 | Journal (article/letter/editorial) |
| Nevertheless certain re-interpretations of the Donegal Granite were given by Grenville Cole (especially 1902)...surveys were commenced . At present the Donegal Granite, and its envelope, is being studied by a research...comprising the large mass referred to as the Donegal Granite, and the smaller granitic masses of Barnesmore...metasediments forms the envelope of the Donegal Granite. The lithology of the sediments is varied and well-defined...areas. On the north-west margin of the Donegal Granite, within the synclinal structure of the Cresslough |
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| gneiss and Larsen granodiorite during F3 folding; (7) Emplacement of granodiorite dikes (in some places...(9) Postkinematic emplacement of Vida (Inzar) granite; (f 0) Emplacement of Vanda prophyry dikes, probably...gneiss have previously been called pre-tectonic granite (Gunn and Warren, 1962). These coarse-grained gneisses...locally outlasted the last deformation. Larsen granodiorite, which has been described as a huge syntcctonic...from quartz dioritic gneiss to well-foliated granodiorite with scattered 2 to 4 cm K-feldspar megacrysts |
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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...r o m m i g matites, rapakivi granites a n d orbicular rocks. Lithos 2, 1-8. s/Ol6 ratios o f quartz...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...f southern Finland are essentially mixtures of granite and quartz-plagioclase-biotite gneiss. H~irme (1959 |
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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...enough to modify the name, for example, biotite granite, hornblende syenite, bituminous limestone, siliceous...especially in compound rock names like granogabbro (granite-gabbro), monzogabbro (monzonite-gabbro), rhyodacite... akenobeite ig. dike. Light-colored aplitic granodiorite, consisting of oligoclase and orthoclase, with |
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| 59), and porphyry (p.60). Diorite diorite and granodiorite occur in large intrusions, such as here in the...alkali feldspar it becomes a granodiorite; with larger amounts, a granite. These three rock types often...and the same process of formation. COMPOSITION Granite is always made up of three different kinds of minerals:...black mica (biotite). quartz biotite feldspar GRANITE transparent and glassy thin sheets and dark colour...movements in turn cause fracture, deformation granite (alteration caused by stress), and eventually, |
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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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| summer of 1864, when they made the first ascent of Mount Brewer and gazed eastward. They had assumed that...east. They named pyramidal Mount Tyndall (far left) and helmet-shaped Mount Whitney (right skyline), which...climb Mount Whitney. Five days later he and the drover Dick Cotter returned; they had climbed Mount Tyndall...Tyndall with difficulty but judged Mount Whitney too far to attempt. FOR AND THOSE FOR WHO KAREN, ...Territorial Surveys: King and Wheeler 98 The Scaling of Mount Whitney: Errors Compounded 118 Measuring the Ground: |
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| FORM OF THE COMPLEX (a) The micro granite sheets (b) The main granite-complex (c) The structural control...COMPLEX (a) (b) (c) (d) (e) The migmatitic older granodiorite The microgranite sheets ... The granites of... 164 167 169 170 171 171 THE FABRIC OF THE GRANITE RING-COMPLEX (a) Orientation of minerals and inclusions...Donegal Granite can be dissected into numerous components. An older migmatitic granodiorite forms the...cross-cutting circular intrusion of granite, which has sheets of micro granite tangential to its contact. This |
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| nouveau gisement de granite orbieulaire dans le Massif Central fran~ais : le granite du Signal de Randon...Clermont-Ferrand Regule 15 a5ut 1973 A N e w Occurrence of Orbicular G r a n i t e in t h e F r e n c h Massif C e...Signal de R a n d o n (Loz6re) Abstract. This orbicular granite contains ovoids of an exceptional composition...2 8 4 - - 2 9 6 ) e ' e s t le d e u x i g m e granite, p r 6 s e n t a n t cette structure, signal6 d...l u t o n g r a n i t i q u e de la Margeride (granite ealco-alcalin intrusif ~ s t r u c t u r e porphyroide) |
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| photographs were provided by the following: 2 (Granite rock exposed at Tarn (Midi-Pyrenees), France),...Geological Survey; 52BL, David Huston, Geoscience Australia; 17TR, Marli Miller; 23TR, 48 (in Optical Effects...on to tell you that the mottled brown stone is granite - then show how through the Above: Some specimens...specimens. At the top is the rock orbicular, a special variety of granite. Below are stones of the mineral...where it often collects - but only in areas near granite. Some cassiterite was mined from veins deep underground |
