 | | Journal (article/letter/editorial) | | Garnet-Orthopyroxene Bearing Granulites from Enderby Land, Antarctica: Metamorphic Pressure-Temperature-Time...e Evolution of the Archaean Napier Complex Department of Geology, University of Tasmania, GPO Box 25...assemblages from the Archaean Napier Complex, Enderby Land, Antarctica, display a variety of exsolution...metamorphism south-west to the Scott Mountains-Casey Bay region, where minimum crustal thicknesses of 10...were attained at c. 3000 Ma. Subsequently, the Napier Complex granulites evolved through a prolonged period |  | | Report (chapter) | | The Archaean geological evolution of Enderby Land, Antarctica S. L. Harley and L. P. Black Geological...evolution of Enderby Land, Antarctica S. L. Harley & L. P. Black SUMMARY: The Napier Complex of Enderby Land...Land, Antarctica, is a major terrain exhibiting Archaean granulite-facies metamorphism at extreme P T conditions...less intense, deformation (Dz) after which the Napier Complex became a stable craton for some 500 Ma. The...granulite-facies gneiss terrain (Napier Complex) of Enderby Land, east Antarctica (Fig. 1), has, in recent years |  | | Journal (article/letter/editorial) | | few surinamite grains enclose orthopyroxene, sillimanite, and Si-rich sapphirine. Ion microprobe analyses...continuous reaction BeSiAl–2 (in sapphirine) + sillimanite + orthopyroxene → surinamite + quartz and, subsequently...report from the Vijayanagaram District in the Eastern Ghats belt, India (Ramesh Kumar et al. 1995) needs...the thermal action of the South Harris Igneous Complex ca. 2.18-1.84 Ma (Cliff et al. 1983); the most...°C P ~ 8-9 kbar 3. “Christmas Point”, Casey Bay, Antarctica Meta-pegmatite Qtz, Kfs, Sil, Spr, khmaralite* |  | | Journal (article/letter/editorial) | | orthoamphibolebearing gneisses from Enderby Land, east Antarctica: a record of Proterozoic uplift S I...from the vicinity of shear zones in Casey Bay, Enderby Land, Antarctica, record both the overprinting of...correlated with the general effects of Rayner Complex metamorphism and deformation which occurred after...in a major orogenic belt south of Casey Bay. Key-words: Antarctica; metamorphism; orthoamphibole; pressure-temperature...Proterozoic; uplift INTRODUCTION The Napier Complex of Enderby Land, Antarctica, is an Archaean granulite facies |  | | Journal (article/letter/editorial) | | paragneiss and anatectic pods of the Napier Complex, Enderby Land, East Antarctica: the roles of dissolution-reprecipitation...occurrences in the ultrahigh-temperature Napier Complex of Antarctica. Monazite shows a variety of textures...compositions. In a garnet-sillimanite-orthopyroxene paragneiss at Mount Pardoe (Amundsen Bay), grains range 80–150...from anatectic melts at 2500 Ma at Zircon Point, Casey Bay, monazite grains range 0.05 mm–1 cm in length...mediumgrained quartz, K-feldspar, plagioclase, garnet, sillimanite and rutile in aggregates that form interstitial |  | | 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) | | pegmatitesin granulite-faciesrocks of caJey Bay,Enderby Land, fntarctica Eowano S. Gnew Department of Earth...niobian rutile, chrysoberyl,and wagnerite occur in sillimanite-rich,medium-grainedsegregationsin two pegmaiitesofprobable...rocksnear Mclntyre llaia-1erzz,s,4go05,E) in casey Bay, Antarctica. Antarctic surinamite contains 30.9-32.1wt...quartz-sillimanite-surinamitebiotite-orthopyroxene-garnet, quartz-surinamite-taafeite, sillimanite-garn...not been reand in eastern Siberia, in nica-fluorite metasomatite ported from Antarctica (Grew, 1980a).I |  | | Journal (article/letter/editorial) | | whole-rock systems in early Archaean crust of Enderby Land, Antarctica L.P. Black 1 and M.T. McCulloch 2 1 Du)ision...Archaean rocks ( - 3930 Ma) of the Napier Complex of Enderby Land, Antarctica. The degree of mobility is independent...recognised, isolated Sm-Nd model ages, particularly in complex terrains should be treated with caution. 1. Introduction...this terrain. 2. Geological background The Napier Complex, from which the analysed samples were derived...Archaean craton at the northern extremity of Enderby Land, Antarctica (Fig. 1). It is bounded on its southern |  | | Journal (article/letter/editorial) | | ARCHAEAN CRUST IN THE RAYNER COMPLEX, MacROBERTSON AND KEMP LAND COAST, EAST ANTARCTICA GEOFFREY L. CLARKE* Department...Archaean crust in the Rayner Complex, MacRobertson and Kemp Land coast, East Antarctica. Precambrian Res., 40/41:...rocks exposed along the MacRobertson and east Kemp Land coasts consist of, in the west, Archaean gneisses...westward toward a stable Archaean block, the Napier Complex. Kinematic indicators are consistent with formation...deformation. Dissection of both the Rayner and Napier Complexes by retrograde shear zones and mylonite-pseudotachylite |  | | Journal (article/letter/editorial) | | record of cooling and hydration in the Napier Complex, Antarctica Ruairidh J. Mitchell, Simon L. Harley...record of cooling and hydration in the Napier Complex, Antarctica, LITHOS (2016), doi: 10.1016/j.lithos...record of cooling and hydration in the T Napier Complex, Antarctica School of Geosciences, University of...phase equilibrium (pseudoseciton) modelling in complex chemical systems SC R with updated mineral a-X...bearing UHT granulites from Mt Charles, Napier Complex, Antarctica. P-T phase equilibrium modelling of two |  | | 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...about 3070 Ma ago. younger mobile belt, the Napier Complex rocks in this region show some features of...this part of Antarctica. Geological evolution of the Napier complex The Napier Complex is mostly composed |  | | Journal (article/letter/editorial) | | of a Granulite from McIntyre Island, Enderby Land, East Antarctica Toshisuke Kawasaki1,Kei Satol and Yoichi...orthopyroxene+sillimanite+ quartz from McIntyre Island, Enderby Land, East Antarctica. The bulk composition...McIntyre granulite+ 15 wt.% sillimanite. At 11kbar, orthopyroxene, sillimanite and quartz are stable below...below 1000°C. At 1050°C sillimanite does not appear, and sapphirine coexists with orthopyroxene and quartz...diagnostic mineral assemblage of orthopyroxene, sillimanite and quartz. Key words: Opx-Sil-Qtz, Opx-Spr-Qtz |  | | Journal (article/letter/editorial) | | East Antarctica: implications for the timing of ultra-high temperature metamorphism of the Napier Complex...orthogneiss from central Tonagh Island, Enderby Land, East Antarctica provides insight into the chronological-metamorphic...chronological-metamorphic evolution of the Archaean Napier Complex, the details of which have been the source...and Sm – Nd whole-rock isochron ages from the Napier Complex. We conclude that UHT metamorphism occurred...of the Napier Complex. © 2002 Elsevier Science B.V. All rights reserved. Keywords: Napier Complex; East |  | | Journal (article/letter/editorial) | | ultra-high-temperature metapelites from the Napier Complex, East Antarctica Y. MOTOYOSHI1 AND B.J. HENSEN2,* 1...e metapelitic granulites from the Napier Complex, East Antarctica is associated with aluminous orthopyroxene...describe phlogopite from the Napier Complex in Enderby Land, East Antarctica, with significantly higher...and Forefinger Point (Harley et al. 1990) in Antarctica. The highest value so far reported (5–6 wt%;...1982) is also in a sample from the Napier Complex. The Napier Complex is an ultra-high-temperature (UHT) |  | | | | metamorphic rocks and associated pegmatites of East Antarctica and South India H. E. BELKIN1,*, R. MACDONALD2...of the Napier Complex and Mawson Station charnockite in East Antarctica and from the Eastern Ghats, South...to the LREE and Ca. In one sample from the Napier Complex, Y is the dominant cation among the total REE...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 |  | Barbier, Jacques, Grew, Edward S., Moore, Paulus B., Su, Shu-Chun (1999) Khmaralite, a new beryllium-bearing mineral related to sapphirine; a superstructure resulting from partial ordering of Be, Al, and Si on tetrahedral sites. American Mineralogist, 84 (10) 1650-1660 doi:10.2138/am-1999-1020 | Journal (article/letter/editorial) | | closely related to sapphirine from Khmara Bay, Enderby Land, Antarctica. It occurs in a pegmatite metamorphosed...surinamite, musgravite, and sillimanite associated with khmaralite at Casey Bay saturate it in BeO, and thus...from Khmara Bay (67° 20’ S; 49° 00’ E), the easternmost extension of Casey Bay, Antarctica, an estimate...sapphirine-2M with a doubled a axis repeat in the Khmara Bay sapphirine, which he attributed to Be-Si ordering:...chose the name khmaralite from the locality Khmara Bay, which honors Ivan Fedorovich Khmara (1936–1956) |  | | Journal (article/letter/editorial) | | in orthopyroxene-sillimanite granulites from Forefinger Point, Enderby land, Antarctica: implications for...for the evolution of the Archaean Napier Complex S . 1. HARLEY’, B . J . HENSEN’ AND J . W. SHERATON’...Archaean age from Forefinger Point, S W Enderby Land, East Antarctica, contain very-high-temperature granulite...which include orthopyroxene (8-9.5 wt% AI,O,)-sillimanite f garnet f quartz f K-feldspar, that formed at...porphyroblastic garnet or earlier orthopyroxene-sillimanite. These textures mainly pre-date the development |  | | Journal (article/letter/editorial) | | evolution of the Fyfe Hills‐Khmara Bay region, Enderby Land, East Antarctica a Michael Sandiford & Christopher...evolution of the Fyfe Hills‐Khmara Bay region, Enderby Land, East Antarctica, Australian Journal of Earth Sciences:...evolution of the Fyfe Hills-Khmara Bay region, Enderby Land, East Antarctica Michael Sandiford and Christopher...Hills-Khmara Bay region in Enderby Land, East Antarctica. The D1, D2 and D3 events comprise the Napier structural...intrusion of the Middle Proterozoic Amundsen dykes. The Napier metamorphic culmination was broadly coeval with |  | | Journal (article/letter/editorial) | | granulites, Ti ! Si substitution, Napier Complex, Lützow–Holm Complex INTRODUCTION Rutile needles have...ultrahigh–temperature granulites from Napier complex, East Antarctica (Kawasaki and Motoyoshi, 2000; Osanai...quartzofeldspathic gneiss from Mt. Riiser–Larsen, Napier Complex, East Antarctica. These reports indicate that the host...Lützow–Holm Complex and McIntyre Island (Kawasaki and Motoyoshi, 2000) from Napier Complex, East Antarctica...granulite: (1) sillimanite–cordierite–sapphirine granulite from Rundvågshetta, Lützow–Holm Complex, East Antarctica |  | | Journal (article/letter/editorial) | | for >1120 °C UHT metamorphism in the Napier Complex, Antarctica, and implications for the entropy of...Riiser-Larsen in the Tula Mountains of Enderby Land, East Antarctica, preserves two generations of coarse...involving the phases enstatite, sapphirine, sillimanite, quartz and cordierite indicate that the reaction...P±T-sensitive assemblage indicators in the Napier Complex. It is not possible to distinguish whether...metamorphic temperatures in excess of 1120 °C in the Napier Complex, or indeed any UHT granulite terrain worldwide |  | | Report (issue) | | Mountains, Surinam); in sillimanite-rich segregations in pegmatites (Casey Bay, Antarctica); as pseudomorphs...Biotite, kyanite, sillimanite, spinel (Bakhuis Mountains, Surinam); quartz, sillimanite, sapphirine, taa®eite...taa®eite (Casey Bay, Antarctica); cordierite (Chimwala area, Zambia). Distribution: From the Bakhuis Mountains... Australia. From Casey Bay, Enderby Land, Antarctica. In the Chimwala area, Eastern Province, Zambia |  | Hokada, Tomokazu, Misawa, Keiji, Yokoyama, Kazumi, Shiraishi, Kazuyuki, Yamaguchi, Akira (2004) SHRIMP and electron microprobe chronology of UHT metamorphism in the Napier Complex, East Antarctica: implications for zircon growth at >1,000��C. Contributions to Mineralogy and Petrology, 147 (1) 1-20 doi:10.1007/s00410-003-0550-2 | Journal (article/letter/editorial) | | chronology of UHT metamorphism in the Napier Complex, East Antarctica: implications for zircon growth at...paragneisses from Mt. Riiser-Larsen in the Napier Complex, East Antarctica, were dated by using ion microprobe...references therein). The Archaean Napier Complex in East Antarctica is known as one of the UHT metamorphic...1987). For these characteristic features, the Napier Complex has now become known as the best-preserved...highest-grade metamorphic conditions of the Napier Complex are estimated to be >1,000 C for rocks with |  | | Report (issue) | | magmatic mineral in subsilicic rocks. Association: Sillimanite, kyanite, cordierite, kornerupine, corundum,...Fisken½sset, Greenland. In the USA, in the Cortland complex, Westchester Co., New York. In Canada, at Wilson...Territory, Australia. From the Napier complex, Casey Bay, Enderby Land, Antarctica. Name: For its typical sapphire-blue |  | | Journal (article/letter/editorial) | | although paucity of information prevents these more complex polytypes being considered in this study. Polytypic...20. Gage Ridge, Enderby Ld. 21. Gage Ridge, Enderby Ld. 22. Mt. Riiser-Larsen, Enderby Ld. 23. Mt. Riiser-Larsen...Riiser-Larsen 24. Casey Bay, Enderby Ld. 25.7:9:3 oxide sinter 26.7:9:3 gel 27.7:9:3 gel 28.8:8:4 gel 29...quartz, hb hornblende, ru rutile, hm hematite, si sillimanite, ilm ilmenite, sp spinel, kr kornerupine, tur...determined semi-quantitatively by ion probe b Casey Bay sapphirine analysis due to Grew (1981) c K20 probably |  | | Report (issue) | | crystals, elongated and striated along [001], complex vincinal form development, with more than thirty... chlorite (Höllgraben, Austria); corundum, sillimanite, plagioclase, biotite, monazite-(Ce), apatite...garnet, sapphirine, chrysoberyl, cordierite (Casey Bay, Antarctica). Distribution: In Austria, in Salzburg...Hålsjöberget, Värmland, Sweden. In the Kyakhta sillimanite deposit, Buryatia. On Santa Fe Mountain, near...near Olary, South Australia. From Casey Bay, Enderby Land, Antarctica. Additional localities are known |
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"Christmas Point" pegmatite, Khmara Bay, Casey Bay, Napier Complex, Enderby Land, Eastern Antarctica, Antarctica