 | | Journal (article/letter/editorial) |
| METAMORPHIC TERRAIN: LATE PROTEROZOIC DATES FROM THE EASTERN GHATS PROVINCE OF INDIA EDWARD S. GREW Department...metamorphic terrain: late Proterozoic dates from the Eastern Ghats Province of India. Precambrian Res., 33:...perrierite and zircons in two samples from the Eastern Ghats Province of South India, a sapphirine-bearing...late Proterozoic granulite-facies event in the Eastern Ghats Province. In reassemblies of Gondwanaland...proposal, the Eastern Ghats Province is juxtaposed against a high-grade terrain in East Antarctica affected |
 | | Journal (article/letter/editorial) |
| Konovalov Mountains area žRayner Complex, East Antarctica / D.P. Krylov a a,) , S. Hoernes b, D. Bridgwater...Abstract Rocks of the Rayner complex in East Antarctica have suffered a complex multiphase metamorphic...Keywords: Oxygen isotopes; Polymetamorphism; Fluids; Antarctica 1. Introduction The oxygen isotopic composition...principal sites in the Konovalov mountains near Molodezhnaya station, a previously little investigated part of...high grade Proterozoic Rayner complex of East Antarctica. The rocks of the localities sampled partly preserve |
 | | Report (chapter) |
| rocks of the Liitzow -- Holm Bay region, East Antarctica Yoichi Motoyoshi, Satoshi Matsubara & Hiroharu...Archaean Napier Complex. The LHB region, East Antarctica, is a granulite-facies terrane metamorphosed...1985), an event extensively reported over East Antarctica (Grew 1982). The LHB region is underlain by pelitic...Garnet, sillimanite, K-feldspar, plagioclase and quartz are the main constituents: ilmenite, rutile and...Transitional Granulite f. M: Molodezhnaya Station S: Syowa Station FIG. 1. Geological map of the |
 | | Journal (article/letter/editorial) |
| Granulite-Facies Metamorphism at Molodezhnaya Station, East Antarctica by EDWARD S. GREW Department of...exposed around Molodezhnaya Station (670401S, 46OE) in East Antarctica b addition to quartz, K-feldspar...suggests that water was not removed from the Molodezhnaya rocks by flushing with C0,-rich fluids during...Earth's crust. In the Precambrian shield of East Antarctica between 40° and 50°E, the 2500 million year (m... METAMORPHISM OF MOLODEZHNAYA AREA 299 aluminous rocks of the Rayner complex in the Molodezhnaya Station area (Fig |
 | | Journal (article/letter/editorial) |
| Geol. 1987, 5 , 1-26 The Rayner Complex of East Antarctica: complex isotopic systematics within a Proterozoic...(locally known as the Rayner Complex) in East Antarctica. Much of the belt is the product of Mid-Proterozoic...scale, at least in one location. Key-words: Antarctica; geochronology; isotopic resetting; Proterozoic;...granulite facies - Fig. 1. Map of part of East Antarctica showing Archaean cratonic blocks and an extensive...Proterozoic terrain. INTRODUCTION About 98% of Antarctica between OoE and 145"E is permanently covered |
 | | Journal (article/letter/editorial) |
| single outcrop from the Rayner Complex (Enderby Land, East Antarctica) D. P. KRYLOV ‘**.* and S. D. MINEEV’...outcrop of the polymetamorphic Rayner Complex (East Antarctica) was used to estimate the “model temperatures”...single outcrop in the Rayner Complex (Enderby Land, East Antarctica). The results are compared with temperatures...SETTING The granulite Rayner Complex of East Antarctica has been interpreted as a Proterozoic belt adjacent...1987). Rocks of both complexes are exposed in Enderby Land (Fig. I ). The Rayner Complex was primarily |
 | | Report (chapter) |
| plutonometamorphic complex in the Thala Hills area (Enderby Land, East Antarctica) from zircon SHRIMP dating and implications...Gondwanaland reconstructions near the India– Sri Lanka– Antarctica junction. We present U– Pb zircon isotopic age...affected East Antarctica, including the Sør Rondane Mountains to the west and Kemp Land to the east. The...tectonomagmatic events in Dronning Maud Land of East Antarctica, as well as in other Gondwanaland regions...regions, such as Madagascar, Sri Lanka and eastern Africa. The c. 780– 720 Ma episode may be correlated with |
 | | Journal (article/letter/editorial) |
| RAYNER COMPLEX, MacROBERTSON AND KEMP LAND COAST, EAST ANTARCTICA GEOFFREY L. CLARKE* Department of Geology...Rayner Complex, MacRobertson and Kemp Land coast, East Antarctica. Precambrian Res., 40/41: 137-156. The...rocks exposed along the MacRobertson and east Kemp Land coasts consist of, in the west, Archaean gneisses...coastline of MacRobertson, Kemp and Enderby Land, East Antarctica (Sheraton et al., 1980 ). An Archaean...block, the Napier Complex, comprises most of the Enderby Land promontory, and is bounded on both sides and |
 | | Journal (article/letter/editorial) |
| GR Focus Review High-pressure metamorphism in Antarctica from the Proterozoic to the Cenozoic: A review...2012 Available online 8 August 2012 Keywords: Antarctica Eclogite Garnet peridotite Blueschist-facies...c t The survey of high-P metamorphic rocks in Antarctica can help clarify the geodynamic evolution of...along the eastern margin of the ‘Mawson block’ (e.g., in the Nimrod Glacier region and George V Land). Some...(George V Land; Eyre Peninsula in Australia). Stillwell (1918) described rocks from George V Land containing |
 | | Journal (article/letter/editorial) |
| of the Fyfe Hills‐Khmara Bay region, Enderby Land, East Antarctica a Michael Sandiford & Christopher J...of the Fyfe Hills‐Khmara Bay region, Enderby Land, East Antarctica, Australian Journal of Earth Sciences:...of the Fyfe Hills-Khmara Bay region, Enderby Land, East Antarctica Michael Sandiford and Christopher J...the Fyfe Hills-Khmara Bay region in Enderby Land, East Antarctica. The D1, D2 and D3 events comprise the...excavation of the gneissic sequence. Key words: Antarctica, Archaean, granulite facies, structure, recumbent |
 | | Journal (article/letter/editorial) |
| polymorphs. Sillimanite analysesindicate up to quartz veins and pegmatites, from xenoliths in basaltic...were to determine tion, 1988) has reported that quartz and cordierite, but whether hydroxyl is commonly...on AlrSiOs phase rela- associatedwith sapphirine-quartz rocks. Metamorphic temperaturesfor the Antarctic...GRR 802 Locality ReinboltHills,Antarctica MolodezhnayaStation,Antarctica KilbourneHole, New Mexico BensonMines...South Carolina Sardinia(?) "ChristmasPoint," Antarctica Norwich, Connecticut KilbourneHole,New Mexico |
 | | Journal (article/letter/editorial) |
| microstructure of monazites from a polymetamorphic rock in Antarctica Lance P. Black 1, John D. Fitzgerald 2, and Simon...high-grade regionally metamorphosed paragneiss from Antarctica contains monazites of several different colours...those of major geological events in this part of Antarctica. They are interpreted in terms of isotopic resetting...of two major geological events in this part of Antarctica. Geological evolution of the Napier complex...composed of pyroxenequartz-feldspar and garnet-quartz feldspar orthogneisses (Sheraton et al. 1980; Sheraton |
 | | Journal (article/letter/editorial) |
| the assemblages (A) cordierite-garnet-sillimanite-quartz, (B) cordierite-spinelquartz, (C) cordierite-g...cordierite-garnet-orthopyroxene-quartz and (E) cordierite-orthopyroxene-sillimanite-quartz. Application of the barometric...indicates that the cordierite-garnet-sillimanite-quartz equilibrium is widely applicable and registers...1981; Bhattacharya and Sen 1985), cordierite-spinel-quartz (Vielzeuf 1980), cordierite-garnet-spinel-sillimanite...(Harris 1981) and cordierite-garnet-orthopyroxene-quartz (Hensen and Green 1973). In terranes where several |
 | | Journal (article/letter/editorial) |
| of the northern Prince Charles Mountains, East Antarctica I. C. W. Fitzsimons a b & D. E. Thost c a...of the northern Prince Charles Mountains, East Antarctica, Australian Journal of Earth Sciences: An International...of the northern Prince Charles Mountains, East Antarctica I. C. W. FITZSIMONS1* AND D. E. THOST 2 1 Downloaded...in the northern Prince Charles Mountains, East Antarctica, has a complex intrusive and deformational history...950 to 1000 Ma charnockite elsewhere in East Antarctica. The stability of granulite assemblages throughout |
 | | Journal (article/letter/editorial) |
| implications for Archaean crustal thickness in Enderby Land, Antarctica M I C H A E L S A N D I F O R D , Deparrment...Abstract. Granulites at Fyfe Hills in Enderby Land, Antarctica, crystallized at temperatures in excess...post-Archaean thickening of the Enderby Land crust. Key-words: Antarctica; Archaean; crustal thickness;...orthopyroxene = phlogopite = pigeonite = plagioclase =quartz = rutile = sillimanite spl =spinel spr = sapphirine...the adjacent islands in Khmara Bay, in Enderby Land, Antarctica (Fig. I), contain unusually high grade |
 | | Journal (article/letter/editorial) |
| estimate metamorphic temperature including the Ti-in-quartz geothermometer [8,9], Zr-in-rutile geothermometer... titanite; Grs, grossular; Ilm, ilmenite; Qtz, quartz. This further suggests that model reaction (1)... titanite; Grs, grossular; Ilm, ilmenite; Qtz, quartz. This further suggests that model reaction (1)...SiO5 –plagioclase–quartz (GASP) geobarometer [49]. garnet–Al2SiO5–plagioclase–quartz (GASP) geobarometer...ln aQtzlast aIlmparentheses /aTtn ) X Grt the quartz, ilmenite, and titanite phase components, respectively |
 | HAND, M., SCRIMGEOUR, I., POWELL, R., STÜWE, K., WILSON, C. J. L. (1994) Metapelitic granulites from Jetty Peninsula, east Antarctica: formation during a single event or by polymetamorphism?. Journal of Metamorphic Geology, 12 (4) 557-573 doi:10.1111/j.1525-1314.1994.tb00042.x | Journal (article/letter/editorial) |
| Metapelitic granulites from Jetty Peninsula, east Antarctica: formation during a single event or by polymetamorphism...metasedimentary gneiss exposed on Jetty Peninsula, east Antarctica, contains assemblages involving garnet-silli...garnet-orthopyroxene-cordierite-biotite, as well as quartz and K-feldspar. Peak assemblages involve garnet...recognized in much of east Antarctica. Key words: decompression; east Antarctica; granulite; metapelite;...ferrosilite; mgts, MG-Tschermaks molecule; qtz, quartz; sill, sillimanite; sp, hercynitic spinel; spl |
 | | Journal (article/letter/editorial) |
| OF A R C H A E A N CONTINENTAL CRUST IN EAST ANTARCTICA J.W. SHERATON and L.P. BLACK Bureau o f Mineral...reworking of Archaean continental crust in East Antarctica. Precambrian Res., 26: 169--198. Preliminary...continental crustal rocks. Only two orthopyroxene--quartz-feldspar gneisses from the Rauer Group of islands...Mountains (Tingey, 1982) and the Napier Complex of Enderby Land (Grikurov et al., 1976; Sheraton et al., 1980)...gneisses of the Late Proterozoic Rayner Complex in Enderby Land, immediately adjacent to the Archaean Napier |
 | | Journal (article/letter/editorial) |
| 1980 Osumilite-Sapphirine-Quartz Granulites From Enderby Land Antarctica Mineral Assemblages and Reactions*...granulites of Enderby Land Antarctica, contain coexisting spinel-quartz, sapphirine-quartz, hypersthen...hypersthene-sillimanite-quartz and osumilite on a regional extent. Osumilite is present in a variety of mineral...stability field of cordierite, such as sapphirine-quartz, hypersthene-sillimanite (or kyanite). Such examples...Ellis et al. : Osumilite-Sapphirine-Quartz Granulites From Antarctica are rare in nature, and are restricted |
 | | Journal (article/letter/editorial) |
| metamorphic rocks in the Field Islands area, East Antarctica LANCE P . BLACK, Bureau of Mineral Resources...geological evolution of the Field Islands area, East Antarctica, was substantially similar to that of the adjacent...direct geochronological significance. Key-words: Antarctica; Archaean; geochronology; metamorphic petrology;...established for the Archaean Napier Complex in Enderby Land, Antarctica, Black & James (1979) postulated that...relation to the Napier and Rayner complexes of Enderby Land. A and B inset: zones of overlap of Napier and |
 | | Journal (article/letter/editorial) |
| Garnet-forming Reactions in Mafic Granulites from Enderby Land, Antarctica—Implications for Geothermometry and Geobarometry...ABSTRACT This study of mafic granulites from Enderby Land, Antarctica, demonstrates the control of rock compositions...sequence of cumulates precipitated from an enclosing quartz tholeiite dyke which were then metamorphosed at...detected. The formation of garnet in the metamorphosed quartz tholeiite dyke is consistent with previous descriptions...orthopyroxene to form garnet and clinopyroxene or quartz with decreasing temperature. The disappearance |
 | | Report (chapter) |
| from the Indian Ocean sector of Antarctica: implications for past Antarctica−India connections M. J. Flowerdew...from the Indian Ocean sector of Antarctica: implications for past Antarctica –India connections M. J. FLOWERDEW1...crystalline rocks from the Indian Ocean sector of East Antarctica, in conjunction with the review of data from...suggest these units correlate with parts of the Eastern Ghats Belt of India. A strikingly different signature...complicated in some parts of the world, such as Antarctica, by a lack of information about existing exposures |
 | | Journal (article/letter/editorial) |
| constraints from the Oygarden Group, Kemp Land, East Antarctica N.M. Kelly a,*,1, G.L. Clarke a, C.M. Fanning...in the Oygarden Group of islands, Kemp Land, East Antarctica. Felsic orthogneiss that preserves evidence...did not affect Kemp Land until ca. 930 Ma. This age for peak metamorphism in Kemp Land is therefore 50 Myr...pegmatite samples, indicating a thermal event in Kemp Land at this time. The 1600– 1650 and 930– 900 Ma ages...correlate with metamorphic and magmatic ages from the Eastern Ghats, placing further constraints on the correlation |
 | | Journal (article/letter/editorial) |
| Proterozoic Granulites from the Rauer Group, East Antarctica. I. Decompressional Pressure-Temperature Paths...Proterozoic metamorphic complex (LPC) of East Antarctica (Ravich & Kamenev, 1975; Sheraton et al., 1980)...reconstructions of the geological history of East Antarctica, and its probable role in the excavation and...ABSTRACT Granulites from the Rauer Group, East Antarctica, were metamorphosed at 860±40°C during a high-grade...assemblages with or without additional clinopyroxene and quartz. Pressures of 6 to 7.5 kb are derived for the northern |
 | | Journal (article/letter/editorial) |
| outlet glaciers draining the ice sheet of East Antarctica. The till on Table Mountain (elevation 1700 m)...Tuatara along the Ferrar Glacier of southern Victoria Land. REGIONALGEOLOGY The Transantarctic Mountains consist...the Olympus Granite Gneiss of southern Victoria Land for which Faure et al. (1974) reported a date of...rocks of the Beacon Supergroup consist primarily of quartz sandstones and lesser amounts of siltstone and...isodynamic magnetic separator. The resulting feldspar-quartz concentrates were further purified by repeated |
