 | | Journal (article/letter/editorial) | | 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 |  | | Report (chapter) | | geological studies of JARE in the Napier Complex, Enderby Land, East Antarctica Hideo Ishizuka Geological Society...geological studies of JARE in the Napier Complex, Enderby Land, East Antarctica HIDEO ISHIZUKA Department of...geochemistry and geochronology of the Napier Complex in Enderby Land, East Antarctica. Detailed field investigations...Riiser-Larsen area and Tonagh Island, revealed that the Napier Complex comprises layered and massive gneiss units...ultrahigh-temperature (UHT) metamorphism). P– T evolution of the Napier UHT metamorphism was examined by analyses of reaction |  | | Report (chapter) | | Geodynamic evolution of Mt. Riiser-Larsen, Napier Complex, East Antarctica, with reference to the UHT mineral...Geodynamic evolution of Mt. Riiser-Larsen, Napier Complex, East Antarctica, with reference to the UHT mineral...in the Archaean–early Proterozoic Napier Complex, East Antarctica. The area is structurally divided into...pseudotachylite. Mineral parageneses including sapphirine þ quartz and osumilite, diagnostic of ultrahigh-temperature...Blocks of the Mt. Riiser-Larsen area. Some of the sapphirine–quartz associations are accompanied by retrograde |  | | Report (chapter) | | Archaean-Cambrian crustal development of East Antarctica: metamorphic characteristics and tectonic implications...Archaean-Cambrian crustal development of East Antarctica: metamorphic characteristics and tectonic implications...recognized from four distinct belts: the Dronning Maud Land, LtRzow-Holm Bay, Prydz Bay and Denman Glacier Belts...affected Archaean cratonic remnants in the Napier Complex and southern Prince Charles Mountains. The...proposed in the SW US-East Antartic model. East Antarctica was not a single unified crustal block within |  | | Report (chapter) | | inclusions in granulites from the Napier Complex, East Antarctica T. Tsunogae, M. Santosh, J. Dubessy...inclusions in granulites from the Napier Complex, East Antarctica T. TSUNOGAE1,2, M. SANTOSH3, J. DUBESSY4...(UHT) granulites from the Napier Complex of Enderby Land, East Antarctica. Fluid inclusions in various...high-grade minerals such as garnet, orthopyroxene and sapphirine from three UHT localities in the Amundsen Bay...0.1 mol%). CH4-bearing fluid associated with sapphirine granulites suggests low oxygen fugacity ( f O2) |  | | Journal (article/letter/editorial) | | equilibrium modeling of sapphirine þ quartz assemblage from the Napier Complex, East Antarctica: Diagnostic evidence...granulite facies rocks that contain equilibrium sapphirine þ quartz assemblage from two localities (Tonagh...(TI) and Priestley Peak (PP)) in the Napier Complex, East Antarctica, provides unequivocal evidence for...The reaction microstructures associated with sapphirine þ quartz vary among the samples, probably suggesting...conditions during the metamorphic evolution. Sapphirine and quartz in TI sample were probably in equilibrium |  | | 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...orthopyroxene, osumilite, sapphirine, garnet, and quartz. Textural relationships imply that some of the phlogopite...aluminous orthopyroxene (Al2O3 up to 12.8 wt%), sapphirine, osumilite, and garnet, it is inferred that the...describe phlogopite from the Napier Complex in Enderby Land, East Antarctica, with significantly higher |  | 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...UHT. EMP analyses on metamorphic zircons from sapphirine–quartz and osumilitebearing magnesian paragneisses...references therein). The Archaean Napier Complex in East Antarctica is known as one of the UHT metamorphic... which is characterized by the occurrence of sapphirine + quartz and osumilite (e.g., Dallwitz 1968; |  | | | | 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 |  | Owada, M., Osanai, Y., Toyoshima, T., Tsunogae, T., Hokada, T., Crowe, W.A., Kagami, H. (2003) Early Proterozoic Tectonothermal Events in the Napier Complex, East Antarctica: Implications for the Formation of East Gondwana. Gondwana Research, 6 (2) 231-240 doi:10.1016/s1342-937x(05)70972-2 | Journal (article/letter/editorial) | | Proterozoic Tectonothermal Events in the Napier Complex, East Antarctica: Implications for the Formation of...Tonagh Island, the western part of the Napier Complex, East Antarctica gave 1870582 Ma, 1897550 Ma and 1557535...Archaean timing of UHT metamorphism in the Napier Complex. The ca. 1900 Ma age is considered to reflect...reflect an important tectonothermal event in the Napier Complex including a tholeiite dyke intrusion. On the...Gondwana fragments such as the Rayner Complex in Antarctica and the Eastern Ghats Belt in India record extensive |  | Hokada, Tomokazu, Misawa, Keiji, Shiraishi, Kazuyuki, Suzuki, Satoko (2003) Mid to late Archaean (3.3–2.5 Ga) tonalitic crustal formation and high-grade metamorphism at Mt. Riiser-Larsen, Napier Complex, East Antarctica. Precambrian Research, 127 (1) 215-228 doi:10.1016/s0301-9268(03)00188-8 | Journal (article/letter/editorial) | | metamorphism at Mt. Riiser-Larsen, Napier Complex, East Antarctica Tomokazu Hokada a,b,∗ , Keiji Misawa...Accepted 10 May 2003 Abstract The Archaean Napier Complex consists of felsic orthogneiss, mafic granulite...te (TTG) crust, is a major constituent of the complex, especially at Mt. Riiser-Larsen, which is located...some authors to have been continuous with the Napier Complex from the Mid Proterozoic until Gondwana break...rights reserved. Keywords: Archaean; Granulite; Napier Complex; SHRIMP; TTG; Ultrahigh-temperature (UHT) metamorphism |  | Tsunogae, Toshiaki, Osanai, Yasuhito, Owada, Masaaki, Toyoshima, Tsuyoshi, Hokada, Tomokazu, Crowe, Warwick A (2003) High fluorine pargasites in ultrahigh temperature granulites from Tonagh Island in the Archean Napier Complex, East Antarctica. Lithos, 70 (1) 21-38 doi:10.1016/s0024-4937(03)00087-2 | Journal (article/letter/editorial) | | from Tonagh Island in the Archean Napier Complex, East Antarctica Toshiaki Tsunogae a,*, Yasuhito Osanai...of up to 0.48) from Tonagh Island in Enderby Land, East Antarctica are closely associated with typical...calculated for the ultrahigh-temperature Archean Napier Complex. Although experimental investigations have...Halogen; Pargasite; Granulite-facies; Napier complex; East Antarctica 1. Introduction * Corresponding author... which forms part of the Archean Napier Complex of East Antarctica, and discusses their origin and petrologic |  | | Journal (article/letter/editorial) | | from varied rock types Mineral assemblages in sapphirine − , spinel − and orthopyroxene − sillimanite...Examples of post − peak UHT P − T vectors for the Napier Complex are shown: IBC at at Mt. Riiser − Larsen based... quartz; Sil, sillimanite; Spl, spinel; Spr, sapphirine. Assemblages containing strongly fassaitic clinopyroxene...Green (1973) identified a stability field for sapphirine + quartz (Spr + Qz) at temperatures in excess...difficult to reconcile with more recent experiments in complex systems (KFMASH), which suggest lower pressures |  | | Journal (article/letter/editorial) | | granuliteSciences, formationVolume in the Napier Complex, East Antarctica 191 Experimental constraints of metamorphic...orthopyroxene granulite from Howard Hills, Napier Complex, East Antarctica Kei SATO*, Tomoharu MIYAMOTO** and...Hills, Napier Complex, East Antarctica. This granulite consists of orthopyroxene, sapphirine, spinel...spinel + liquid, orthopyroxene + phlogopite + sapphirine + spinel + rutile + liquid, orthopyroxene + alkali...alkali feldspar + phlogopite + sapphirine + spinel + rutile, orthopyroxene + alkali feldspar + plagioclase |  | | Report (chapter) | | mineral assemblages involving combinations of sapphirine, garnet, aluminous orthopyroxene, cordierite...and additional osumilite and melt indicate that sapphirine + quartz is stable only at > 1040°C in reduced...orthopyroxene coexisting with garnet, sillimanite or sapphirine. The P T conditions and records preserved in... quartz; Sil, sillimanite; Spl, spinel; Spr, sapphirine. plate regimes. Likewise, at the extremes of...Textures Eastern Ghats 6c. G o k a r v a r a m 6d. Araku IBC and Near-isothermal 6. Eastern Ghats (N) |  | | Journal (article/letter/editorial) | | in a sapphirine quartzite: evidence for >1120 °C UHT metamorphism in the Napier Complex, Antarctica, and...and implications for the entropy of sapphirine Received: 3 September 1998 / Accepted: 8 November 1999...1999 Abstract A unique sapphirine + orthopyroxene + quartz granulite from Mt. Riiser-Larsen in the Tula...Tula Mountains of Enderby Land, East Antarctica, preserves two generations of coarse and texturally equilibrated...equilibrated orthopyroxene and sapphirine coexisting with quartz. Initial subhedral orthopyroxene porphyroblasts |  | | Journal (article/letter/editorial) | | REVIEW Protoliths of the Napier Complex in Enderby Land, East Antarctica; an overview and implication...(UHT) metamorphic rocks of the Napier Complex in Enderby Land, East Antarctica, consist of mantle protolith...related subduction regime. Subsequently, the Napier Complex was stabilized during the UHT metamorphism...- - - Keywords: Greenstone granite belt, Napier Complex, Subduction regime, TTG suite, UHT metamorphism...Earth’s own activities. The Napier Complex occurs in Enderby Land, East Antarctica (Fig. 1). After the reconnaissance |  | Tsunogae, Toshiaki, Santosh, M., Osanai, Yasuhito, Owada, Masaaki, Toyoshima, Tsuyoshi, Hokada, Tomokazu (2002) Very high-density carbonic fluid inclusions in sapphirine-bearing granulites from Tonagh Island in the Archean Napier Complex, East Antarctica: implications for CO2 infiltration during ultrahigh-temperature (T>1,100 °C) metamorphism. Contributions to Mineralogy and Petrology, 143 (3) 279-299 doi:10.1007/s00410-001-0343-4 | Journal (article/letter/editorial) | | inclusions in sapphirine-bearing granulites from Tonagh Island in the Archean Napier Complex, East Antarctica:...ultrahigh-temperature (UHT) metamorphism of the Napier Complex is characterized by the presence of dry mineral...comprising quartzo-feldspathic garnet gneiss, sapphirine granulite, garnet–orthopyroxene gneiss, and magnetite–quartz...Island. High Al contents in orthopyroxene from sapphirine granulite, T. Tsunogae (&) Department of Geology...responsibility: J. Touret the presence of an equilibrium sapphirine–quartz assemblage, mesoperthite in quartzo-feldspathic |  | | Journal (article/letter/editorial) | | attaining ~1100 °C in the Archean Napier Complex, East Antarctica TOMOKAZU HOKADA* National Institute...exsolution lamellae from the Archean Napier Complex, East Antarctica. Chemical compositions of re-integrated...that the regional thermal conditions of the Napier Complex reached or exceeded 1100 °C. As feldspar is...Archean Napier Complex in East Antarctica is indicated by the mineral parageneses sapphirine+quartz and/or...temperatures of a distinctive sapphirine quartzite from the Napier Complex as evidence for >1120 °C based |  | | Journal (article/letter/editorial) | | 44 ─ 49, 2007 T. Hokada LETTER Perrierite in sapphirine – quartz gneiss: geochemical and geochronological...rich variety of perrierite has been found in sapphirine–quartz − bearing ultrahigh − temperature (UHT)...gneiss from Mt. Riiser − Larsen in the Napier Complex, East Antarctica. The major constituents of this perrierite...perrierite − bearing gneiss are quartz, orthopyroxene, sapphirine, and osumilite, with minor biotite, K − feldspar...titanium contents. Keywords: Antarctica, Napier Complex, Perrierite, Sapphirine–quartz, Ultrahigh temperature/UHT |  | | 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) | | gneiss from Rundvågshetta, Lützow-Holm Complex, East Antarctica Toshisuke Kawasaki a,⁎, Nobuhiko Nakano...coexistence Rundvågshetta Lützow–Holm Complex East Antarctica a b s t r a c t This is the first report...gneiss from Rundvågshetta, Lützow-Holm Complex, East Antarctica. The osumilite is characterized by high...prograde metamorphism within the kyanite and sapphirine+ quartz fields; (2) subsequent retrograde metamorphism...1. Introduction The Lützow-Holm Complex (Fig. 1) in East Antarctica played a major role in the tectonic |  | | Journal (article/letter/editorial) | | ultrahigh temperature metamorphism in the Napier Complex, East Antarctica: A Petrochronological investigation...clark@curtin.edu.au Abstract The Napier Complex in East Antarctica preserves a record of ultrahigh-temperature...rocks from the Tula Mountains region of the Napier Complex was analysed. Individual concordant populations...petrochronological data demonstrate that the Napier Complex remained at UHT from c. 2585 Ma until at least...reserved. Accepted Article experienced by the Napier Complex were achieved through a combination of orogenic |  | | Journal (article/letter/editorial) | | Point, Enderby land, Antarctica: implications for the evolution of the Archaean Napier Complex S . 1....Archaean age from Forefinger Point, S W Enderby Land, East Antarctica, contain very-high-temperature granulite...symplectite and corona reaction textures involving sapphirine, orthopyroxene (6-7wt% Al,O,), cordierite and...granulites by the Late-Proterozoic (c. loo0 Ma) Rayner Complex metamorphism, but the age and timing of the early...therefore records thinning of the crust of the Napier Complex following crustal thickening by tectonic or |  | | Report (chapter) | | ultrahigh-temperature granulite from the Napier Complex, East Antarctica KEI SATO1, TOMOHARU MIYAMOTO2 & TOSHISUKE...granulite collected from the Napier Complex in Enderby Land, East Antarctica. The Fe2þ –Mg distribution...associated high-grade metamorphic rocks from East Antarctica and other regions of the world. The results indicate...rocks are characterized by complex mineral assemblages involving sapphirine, garnet, aluminous orthopyroxene...exchange thermometer utilizing the mineral pair of sapphirine and orthopyroxene. Recently, Sato et al. (2006) |
|
