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| METAMORPHIC TERRAIN: LATE PROTEROZOIC DATES FROM THE EASTERN GHATS PROVINCE OF INDIA EDWARD S. GREW Department...and Manton, W.I., 1986. A new correlation of sapphirine granulites in the Indo--Antarctic metamorphic...metamorphic terrain: late Proterozoic dates from the Eastern Ghats Province of India. Precambrian Res., 33: 123--137...in two samples from the Eastern Ghats Province of South India, a sapphirine-bearing granulite from Anakapalle...late Proterozoic granulite-facies event in the Eastern Ghats Province. In reassemblies of Gondwanaland |
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| metamorphic rocks and associated pegmatites of East Antarctica and South India H. E. BELKIN1,*, R. MACDONALD2...Napier Complex and Mawson Station charnockite in East Antarctica and from the Eastern Ghats, South India...EY WORDS : chevkinite-group, perrierite, Antarctica, Eastern Ghats, India. Introduction THE most abundant...granulites and associated pegmatites from East Antarctica and South India, with the specific aim of furthering...other complex mineral groups, most recently the sapphirine group (Grew et al., 2008). In view of the potentially |
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| 635 Order-disorder in sapphirine B y DUNCAN McKIE, B.Sc., M.A., Ph.D. D e p a r t m e n t of Mineralogy...Summary. Yellow sapphirine with a doubled b-axis occurs in enstatite-hornblende-sapphirine rocks at the...of certain types of sharp reflexions of normal sapphirine ; this is interpreted as indicative of partial...of single crystals of partially ordered Mautia sapphirine to single crystals of a defect spinel phase after...at 1287~ C in air; normal disordered Panrimali sapphirine remains unchanged by similar heat treatment. |
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| in six samples of the intrusive Mawson Charnockite, east Antarctica, emphasise complex zircon behaviour...isochron methods. Our results suggest that the Mawson Charnockite was emplaced episodically at c. 1145–1140...000 Ma has not previously been recorded in the Mawson region and indicates that orogenesis may have commenced...Grove. Keywords Rayner Orogen Mawson Charnockite East Antarctica Hf-isotopes Trace elements ...terranes, such as the Rayner Complex in east Antarctica, present zircon populations involving the third |
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| mapping of source provinces for the Mawson charnockites, east Antarctica: implications for Proterozoic tectonics...high-grade metamorphic rocks of the Mawson Coast area, east Antarctica, immediately after peak granulite...(2.03-2.16 Ga) than those from the western and eastern zones (0.7076-0.7263; --4.0 to -8.4; 1.68-1.96...from similar Nb-depleted sources. We consider the Mawson charnockites, like those in the northern Prince...source province than those in the western and eastern zones. The charnockite magmatism occurred probably |
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| microprobe dating Trace element Rayner Complex Antarctica a b s t r a c t A detailed study of monazite...metapelite from the Oygarden Group of islands, east Antarctica, reveals a complex history of growth and recrystallization...% ThO2) that are in textural equilibrium with sapphirine– orthopyroxene symplectites formed after garnet...silica-undersaturated metapelite from the Oygarden Group, east Antarctica. The monazite grains display complex textural...the Neoproterozoic Rayner Complex of central Kemp Land, adjacent to its boundary with the Archaean Napier |
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| assemblages and corona textures from MacRobertson land, east Antarctica: the importance of Fe203and TiOz in accounting...metasedimentary gneisses exposed in MacRobertson Land, east Antarctica, include hercynitic spinel-bearing metapelitic...East Antarctica; hercynite; ilmenite; KFMASHTO; low-pressure granulite facies; MacRobertson Land. List...Rayner Complex (Sheraton er ul., 1980) in east Antarctica is described and interpreted. The derivation...rocks exposed along the MacRobertson and East Kemp Land coast consist of Archaean gneisses reworked during |
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| metamorphism in MacRobertson and Kemp Lands, east Antarctica J. A. HALPIN,1 G. L. CLARKE,1 R. W. WHITE2* AND...assemblages from the MacRobertson Land coastline, Rayner Complex, east Antarctica, are consistent with an ÔanticlockwiseÕ...is distinct from that of rocks in adjacent Kemp Land, 50 km to the west, where a ÔclockwiseÕ P–T–t path...accommodated in younger, fertile crust (MacRobertson Land) involving metasediments and felsic plutons with...transfer of strain to adjacent older crust (Kemp Land) subsequent to charnockite emplacement. Key words: |
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| Archaean and Proterozoic high-grade terranes of East Antarctica (40-80°£): a case study of diversity in granulite...Complex, Enderby Land 12.6 The Rayner Complex in Enderby Land 12. 7 The Rayner Complex: Kemp Land and MacRobertson...MacRobertson Land 12.8 The south-east Prydz Bay region 12.9 The Rauer Group 12. l O Discussion: tectonic models...Cordierite-bearing schists and gneisses form Timor, eastern Indonesia: P- T conditions of metamorphism and...Reaction textures and metamorphic evolution of sapphirine-bearing granulites from the Oruf Complex, Italian |
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| Pressure-Temperature-Fluid Histories: The Rauer Group, East Antarctica by SIMON L. HARLEY 1 AND IAN S. BUICK 2 * 1 ...fades calc-silicates from the Rauer Group, East Antarctica, contain grossular-wollastonite-scapolite-clinopyroxene...SETTING AND BACKGROUND The Rauer Group, East Antarctica (Fig. 1), is an orthogneiss-dominated granulite...generalized geology of the Rauer Group, Prydz Bay, East Antarctica, showing the distribution of calc-silicate boudins...location of main map area in East Antarctica. D, Davis Station; M, Mawson Station; N, Archaean Napier Complex; |
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| earth scientists in the scientific exploration of Antarctica can best be judged from the fact that 7 years...geology and solid earth geophysical literature of Antarctica. It is worth noting that two important differences...where earth scientists have but a fragment of Antarctica exposed to study and at times make, in some cases...parts of Antarctica, and the infuence of new plate tec¬ tonic thinking not only in Antarctica but in its...Adie freedom of the SCAR nations working in Antarctica, to give to SCAR his services, for the second |
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| CfiI4�IIHI 1R Cfi14cll�1 PROCEEDINGS OF WORKSHOP ON EASTERN GHATS MOBILE BELT cqRffi4 �&rlT ���IRCf) f���I...geological studies are still in infancy in the Eastern Ghats Mobile Belt (EGMB) which is WI ideal model...grade mobile belt in eastern India with clear linkages in the East Gondwana. The Eastern Ghats Mobile Belt...a Workshop on the Geoscielltific A spects of Eastern Ghats in November 1982, and a Seminar on the A...A dvances in Geology and Tectonics of Eastern Ghats and the Role of Remote Sensing Techniques in Resource |
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| number of researchers put forward the hypothesis that land plant evolution during the Devonian and Carboniferous...Adjacent ultra-basic sequences from Pie de Palo (eastern PCT) and pillow basalts of the western PCT do not...Durham, U.K. (p.s.craig@durham.ac.uk) The re-use of land contaminated by pollutants from manufacturing or...Idaho, Moscow, ID (fink4961@uidaho.edu) 2 Soil and Land Resources, University of Idaho, Moscow, ID Introduction...Gas-streaming in trachyte lava, Mount Melbourne, Antarctica PAUL W. O. HOSKIN1, F. LIN SUTHERLAND2 AND PATRICK |
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| Crust in the Youanmi and South West Terranes, and Eastern Goldfields Superterrane, of the Yilgarn Craton...Komiya and Shigenori Maruyama Chapter 3.2. Ancient Antarctica: The Archaean of the East Antarctic Shield ....and strongly deformed rocks are described from Antarctica by Harley and Kelly, from the North China Craton...ROCKS The oldest rocks in Antarctica occur in the Napier complex in Enderby Land (Fig. 1.2-1: see Harley...southern Africa. The Barberton Greenstone Belt in the eastern part of the Kaapvaal Craton is one of the most |
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| Crust in the Youanmi and South West Terranes, and Eastern Goldfields Superterrane, of the Yilgarn Craton...Komiya and Shigenori Maruyama Chapter 3.2. Ancient Antarctica: The Archaean of the East Antarctic Shield ....and strongly deformed rocks are described from Antarctica by Harley and Kelly, from the North China Craton...ROCKS The oldest rocks in Antarctica occur in the Napier complex in Enderby Land (Fig. 1.2-1: see Harley...southern Africa. The Barberton Greenstone Belt in the eastern part of the Kaapvaal Craton is one of the most |
