 | | Journal (article/letter/editorial) | | ARTICLE Sapphirine granulites from Panasapattu, Eastern Ghats belt, India: Ultrahigh-temperature metamorphism...Management Authority, Government of India, A-1 Safdarjung Enclave, New Delhi, India Department of Interdisciplinary...October 2011 KEYWORDS Panasapattu; Eastern Ghats belt; Melting; Sapphirine þ quartz; Ultrahigh-temperature...Tectonics Abstract We report equilibrium sapphirine þ quartz assemblage in biotiteeorthopyroxeneegarnet granulites...granulites from a new locality in Panasapattu of Paderu region in the Eastern Ghats granulite belt, which |  | | Report (chapter) | | Boulder on April 13, 2017 The Eastern Ghats Belt, India, in the context of supercontinent assembly SOMNATH...Delhi 110 025, India 2 Department of Geology, Presidency University, Kolkata 700073, India 3 Department...Kharagpur, India 4 Department of Geological Sciences, Jadavpur University, Kolkata 700032, India *Correspondence:...bose@gmail.com Abstract: The Eastern Ghats Belt (India) bears testimony to the assembly and dispersal of...coast of India (Fig. 1) played an important role in connecting the cratonic blocks of India with East |  | | Journal (article/letter/editorial) | | P–T–t evolution of the Eastern Ghats Province, India F.J. KORHONEN,1,* M. BROWN,2 C. CLARK1 AND S. BHATTACHARYA3...Studies Unit, Indian Statistical Institute, Kolkata, India ABSTRACT The exposed residual crust in the Eastern...intergrowths comprising cordierite + K-feldspar quartz biotite sillimanite plagioclase. These intergrowths...subdivision of the Eastern Ghats orogenic belt in India (Dobmeier & Raith, 2003; Dasgupta et al., 2013)...over 1000 km along the eastern coast of Peninsular India (Fig. 1a) and expose a deep crustal section through |  | Mitchell, Ruairidh J., Johnson, Tim E., Clark, Chris, Gupta, Saibal, Brown, Michael, Harley, Simon L., Taylor, Richard (2019) Neoproterozoic evolution and Cambrian reworking of ultrahigh temperature granulites in the Eastern Ghats Province, India. Journal of Metamorphic Geology, 37 (7) 977-1006 doi:10.1111/jmg.12451 | Journal (article/letter/editorial) | | temperature granulites in the Eastern Ghats Province, India Ruairidh J. Mitchell1,2 | Tim E. Johnson1,3 | Chris...Geophysics, Indian Institute of Technology, Kharagpur, India 3 State Key Laboratory for Geological Processes...from Vizianagaram, Eastern Ghats Province (EGP), India, were investigated to provide P–T–time constraints...Rayner terrane, Eastern Ghats Province and cratonic India. KEYWORDS Eastern Ghats Province, phase equilibrium...from Vizianagaram, Eastern Ghats Province (EGP), India (Figure 1). We use petrographic observations combined |  | Kelsey, David E., Morrissey, Laura J., Hand, Martin, Clark, Chris, Tamblyn, Renee, Gaehl, Adrian A., Marshall, Sarah (2017) Significance of post-peak metamorphic reaction microstructures in the ultrahigh temperature Eastern Ghats Province, India. Journal of Metamorphic Geology, 35 (9) 1081-1109 doi:10.1111/jmg.12277 | Journal (article/letter/editorial) | | the ultrahigh temperature Eastern Ghats Province, India David E. Kelsey1, Laura J. Morrissey1,2, Martin...Taylor, 2014). The UHT Eastern Ghats Province (EGP), India, presents a classic example where there is a profusion...orogenic belt extends ~1000 km along the east coast of India (Figure S1). There are numerous geological and tectonic...pelitic gneiss (khondalite; garnet–sillimanite– quartz–K-feldspar±spinel±magnetite±cordierite), migmatitic...of the amalgamation of the Rayner–EGP terrane to India during Gondwana assembly (e.g. Dobmeier & Raith |  | Li, Zilong, Yang, Xiaoqiang, Li, Yinqi, Santosh, M., Chen, Hanlin, Xiao, Wenjiao (2014) Late Paleozoic tectono–metamorphic evolution of the Altai segment of the Central Asian Orogenic Belt: Constraints from metamorphic P–T pseudosection and zircon U–Pb dating of ultra-high-temperature granulite. Lithos, 204. 83-96 doi:10.1016/j.lithos.2014.05.022 | Journal (article/letter/editorial) | | sillimanite and quartz, and low Zn spinel (ZnO = 1.85-2.50 wt.%) MA overgrowth with quartz. Cordierite...orogenic belt. The pre-peak assemblage of spinel + quartz in garnet is stable at high- to ultra-high- temperature...include sapphirine + quartz, orthopyroxene + sillimanite + D quartz, low Zn spinel + quartz and osumilite...(10-20%), biotite (15-20%), plagioclase (10-20%), quartz (10-25), ilmenite (3-5%), AC sillimanite (5-7%)...sillimanite + cordierite + biotite + plagioclase + quartz ± spinel ± ilmenite, which alternate with felsic |  | | Journal (article/letter/editorial) | | metapelites, such as the coexistence of sapphirine+quartz and orthopyroexne+sillimanite (e.g Harley, 2008;...bulk-rock Mg/(Mg + FeT) seem to contain sapphirine+quartz (± spinel) under relatively oxidized conditions... Santosh, Liu, & Li, 2013), but contain spinel+quartz (without sapphirine) under relatively reduced conditions...are characterized by the paragenesis sapphirine–quartz and/or orthopyroxene–sillimanite and record temperatures...contain the diagnostic UHT assemblage sapphirine–quartz, while the UHT metapelites in other localities |  | | Journal (article/letter/editorial) | | the Eastern Ghats Belt of India, where lenses of Mg–Al-rich sapphirine–quartz granulites are found in ordinary...hercynite + quartz (Waters, 1986b), osumilite (Nowicki, Frimmel, & Waters, 1995) and corundum + quartz (Mouri...gneisses consist of variably deformed plagioclase, quartz and K-feldspar augen with minor garnet. Locally...containing coarse-grained K-feldspar, plagioclase, quartz and brown hornblende, suggested to be due to incipient...gar- net, cordierite, K-feldspar, plagioclase and quartz whereas melanosomes consists of a well-foliated |  | | Journal (article/letter/editorial) | | Geophysics, Indian Institute of Technology, Kharagpur, India Correspondence Santanu Kumar Bhowmik, Department...Indian Institute of Technology, Kharagpur 721 302, India. Email: santanu@gg.iitkgp.ac.in The Central Indian...orogenesis produced the first nucleus of Greater India through the assembly of arc, back arc, and continental...led to the disintegration of the Proto‐Greater India; and (c) classical Himalayan‐style continental collision...and 0.93 Ga finally stitched the North and South India blocks to produce the final configuration of the |  | Beunk, Frank F., de Roever, Emond W.F., Yi, Keewook, Brouwer, Fraukje M. (2021) Structural and tectonothermal evolution of the ultrahigh-temperature Bakhuis Granulite Belt, Guiana Shield, Surinam: Palaeoproterozoic to recent. Geoscience Frontiers, 12 (2) 677-692 doi:10.1016/j.gsf.2020.05.021 | Journal (article/letter/editorial) | | (high-Al) orthopyroxene þ sillimanite þ quartz and sapphirine þ quartz. The orthopyroxene shows 8–10.5 wt...sillimanite lineation parallel to fold axes. Locally, quartz rods with lattice-preferred orientation form pronounced...spaced and annealed fabric of grain-size reduced quartz and 5.1. Classification of observed structures...assemblage amphibole þ plagioclase þ K-feldspar þ quartz, and medium to high oxygen fugacity; the latter...overprint, be it only for subgrain formation in quartz, likely related to D5,6 deformation. 6.1.1. D1 |  | Cai, Jia, Liu, Fulai, Liu, Pinghua, Liu, Chaohui, Wang, Fang, Shi, Jianrong (2015) Silica-undersaturated spinel granulites in the Daqingshan complex of the Khondalite Belt, North China Craton: Petrology and quantitative P–T–X constraints. Precambrian Research, 266. 119-136 doi:10.1016/j.precamres.2015.05.005 | Journal (article/letter/editorial) | | K-feldspar + liquid and biotite + sillimanite ± quartz → spinel + liquid. Symplectic spinel 45 rimming...plagioclase and garnet + liquid → biotite + plagioclase ± quartz. Such silica-undersaturated 51 spinel-bearing...(e.g., 60 orthopyroxene–sillimanite–quartz, sapphirine–quartz), which are restricted to magnesian 61... 62 an excess of quartz. However, pelitic precursors that were not rich in quartz, melting, and 63...63 melt loss may lead to complete exhaustion of quartz and ultimately to the formation of 64 silica-undersaturated |  | Xiang, Hua, Zhong, Zeng-Qiu, Li, Ye, Qi, Min, Zhou, Han-Wen, Zhang, Li, Zhang, Ze-Ming, Santosh, M. (2014) Sapphirine-bearing granulites from the Tongbai orogen, China: Petrology, phase equilibria, zircon U-Pb geochronology and implications for Paleozoic ultrahigh temperature metamorphism. Lithos, 208. 446-461 doi:10.1016/j.lithos.2014.08.017 | Journal (article/letter/editorial) | | Geosciences Beijing, No. 29 Xueyuan Road, Haidian District, Beijing 100083, China a r t i c l e i n f o...2012. Sapphirine granulites from Panasapattu, Eastern Ghats belt, India: Ultrahigh-temperature metamorphism...equilibria in K2O-FeO-MgO-Al2O3-SiO2-H2O for sapphirine-quartz-bearing mineral assemblages. Journal of Metamorphic...2004. First report of sapphirine + quartz assemblage from southern India: implications for ultrahightemperature...Powell, R., 2010. The stability of sapphirine plus quartz: Calculated phase equilibria in FeO-MgO-Al2O3-SiO2-TiO2-O |  | Korhonen, F.J., Clark, C., Brown, M., Bhattacharya, S., Taylor, R. (2013) How long-lived is ultrahigh temperature (UHT) metamorphism? Constraints from zircon and monazite geochronology in the Eastern Ghats orogenic belt, India. Precambrian Research, 234. 322-350 doi:10.1016/j.precamres.2012.12.001 | Journal (article/letter/editorial) | | geochronology in the Eastern Ghats orogenic belt, India F.J. Korhonen a,∗ , C. Clark a , M. Brown b , S...Studies Unit, Indian Statistical Institute, Kolkata, India a r t i c l e i n f o Article history: Received...Geochronology India Monazite UHT metamorphism Zircon a b s t r a c t Along the coast of Peninsular India, the...subdivision of the Eastern Ghats orogenic belt in India, is characterized by the widespread occurrence of...over 1000 km along the eastern coast of Peninsular India (Fig. 1a) and exposes a deep crustal section through |  | | Journal (article/letter/editorial) | | similar to those in the Eastern Ghats Province in India. pt - Ac ce 1 2 3 4 5 6 7 8 9 Page 1 of 81...UHT metamorphism in the Eastern Ghats Province in India. This is the first study 25 to integrate metamorphic...the fragments of which now reside in 3 eastern India and east Antarctica (Fig. 1a, b). The R–EG terrane...garnet, sillimanite, cordierite, K-feldspar, 10 quartz, plagioclase, ilmenite and minor biotite. The sample...lobate edges and contain inclusions of rounded quartz grains and rare elongate 13 grains of sillimanite |
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