 | | Journal (article/letter/editorial) | | 16, 189–196 A corundum–quartz assemblage from the Eastern Ghats Granulite Belt, India: evidence for high...(e-mail: arima@ed.ynu.ac.jp) A B S TR A C T Corundum+quartz-bearing assemblages occur in small lenses...part of the Eastern Ghats Granulite Belt, India. Corundum porphyroblasts and quartz coexist with porphyroblastic...garnet, hercynite spinel, ilmenite and magnetite. Corundum and quartz are separated by sillimanite or a composite...consisting of sillimanite and garnet, whereas corundum shows sharp grain boundaries with spinel, ilmenite |  | | Journal (article/letter/editorial) | | Volume 105, pages 1161–1174, 2020 Origin of corundum within anorthite megacrysts from anorthositic...anorthositic amphibolites, Granulite Terrane, Southern India Shreya Karmakar1,*, Subham Mukherjee1, and Upama Dutta2...Sciences, Jadavpur University, Kolkata 700032, India Department of Applied Geology, Indian Institute...School of Mines), Dhanbad 826004, India 2 Abstract Growth of corundum in metamorphosed anorthosites and...of and offer an explanation for the genesis of corundum in anorthositic amphibolites from ~2.5 Ga old |  | | Journal (article/letter/editorial) | | T. Tsunogae and M.99, Santosh Sapphirine and corundum bearing ultrahigh temperature rocks from the Palghat...Palghat − Cauvery Shear System, southern India Saori KOSHIMOTO*, Toshiaki TSUNOGAE** and M. SANTOSH*...We report a new occurrence of sapphirine − and corundum − bearing silica − deficient Mg − Al rocks from...− Proterozoic collisional boundary in southern India. Sapphirine here occurs as medium − grained euhedral...and sillimanite, and is locally intergrown with corundum, suggesting the reaction Spl + Sil → Spr + Crn |  | | Journal (article/letter/editorial) | | the PalghatCauvery Shear Zone System, Southern India M. Santoshl, Toshiaki Tsunogae2and Saori Koshimotol...System contain sapphirine in association with corundum, spinel and sillimanite. Gedrite, which occurs...commonly in this locality, coexists with cordierite, corundum and sillimanite. Mineral assemblages and reaction...collision boundary in southern India. Key words: Sapphirine-corundum-spinel, mineral chemistry, ultrahigh-temperature...metamorphism, Palghat-Cauvery Shear System, southern India. Introduction Granulite facies rocks subjected |  | | Journal (article/letter/editorial) | | com/locate/epsl First report of garnet–corundum rocks from southern India: Implications for prograde high-pressure...for the first time the occurrence of garnet and corundum in Mg–Al-rich rocks at Sevitturangampatti (Namakkal...southern India. The rocks contain several rare mineral assemblages such as garnet–corundum–sillimani...–sapphirine–spinel–Mg-rich staurolite, garnet–corundum–sodic gedrite–cordierite– sillimanite/kyanite...sodic gedrite–Mg-rich staurolite–corundum–sapphirine, biotite– corundum–sapphirine and sodic gedrite–s |  | | Journal (article/letter/editorial) | | geology of Andaman and Nicobar islands. Geol. Surv. India, Misc. Publ. v. 41, pp. 110-125 Roy, T.K., (1983)...Sapphirine and Corundum-bearing Granulites from Karur, Madurai Block, Southern India Toshiaki Tsunogael...Abstract We report new occurrences of sapphirine- and corundum-bearing granulites intercalated within orthogneisses...as needle-like intergrowth with cordieritc and corundum in symplectites and medium- to fine-grained euhderal...cordierite and corundum (Lachmanapatti) or in association with plagioclase, corundum and gedrite (Malappatty) |  | KATO, Mutsumi, HIROI, Yoshikuni, HARLOV, Daniel E., SATISH-KUMAR, M., HOKADA, Tomokazu (2011) Metastable corundum + quartz + andalusite association in pelitic granulite from the Kerala Khondalite Belt, southern India. Journal of Mineralogical and Petrological Sciences, 106 (4) 195-203 doi:10.2465/jmps.101116 | Journal (article/letter/editorial) | | page Metastable corundum + quartz + andalusite from the 195 KKB 195 Metastable corundum + quartz + andalusite...granulite from the Kerala Khondalite Belt, southern India Mutsumi Kato*, Yoshikuni Hiroi*, Daniel E. Harlov**...Institute of Polar Research, Tokyo 190-8518, Japan Corundum in direct contact with quartz and associated with...Kerala Khondalite Belt, southern India. Thermodynamically, corundum + quartz is metastable relative to...that it is a rare example of an arrested reaction corundum + quartz → andalusite which may have been triggered |  | Chowdhury, P., Talukdar, M., Sengupta, P., Sanyal, S., Mukhopadhyay, D. (2013) Controls of P-T path and element mobility on the formation of corundum pseudomorphs in Paleoproterozoic high-pressure anorthosite from Sittampundi, Tamil Nadu, India. American Mineralogist, 98 (10) 1725-1737 doi:10.2138/am.2013.4350 | Journal (article/letter/editorial) | | path and element mobility on the formation of corundum pseudomorphs in Paleoproterozoic high-pressure...high-pressure anorthosite from Sittampundi, Tamil Nadu, India Priyadarshi Chowdhury1, Moumita Talukdar1, Pulak Sengupta1...Sciences, Jadavpur University, Kolkata 700032, India Department of Geology, University of Calcutta, 29...700019, India 1 2 Abstract The Archaean Sittampundi Layered Magmatic Complex (SLC) of south India is interpreted...a suprasubduction zone setting. The assemblage corundum + anorthite + amphibole (magnesiohornblende to |  | | Journal (article/letter/editorial) | | granulites within continental collision zone in southern India M. Santosh a,⁎, K. Sajeev b a b Department of Natural...2006 Abstract We report three new localities of corundum and sapphirine-bearing hyper aluminous Mg-rich...the Palghat–Cauvery Shear Zone system in southern India. From petrologic characteristics, mineral chemistry...triple corona of spinel–sapphirine–cordierite on corundum, with the whole textural assembly embedded within...assemblage/symplectite associated with relict corundum and porphyroblasitc cordierite is explained by |  | Raith, M. M., Sengupta, P., Kooijman, E., Upadhyay, D., Srikantappa, C. (2010) Corundum-leucosome-bearing aluminous gneiss from Ayyarmalai, Southern Granulite Terrain, India: A textbook example of vapor phase-absent muscovite-melting in silica-undersaturated aluminous rocks. American Mineralogist, 95 (7) 897-907 doi:10.2138/am.2010.3399 | Journal (article/letter/editorial) | | 2010 Corundum–leucosome-bearing aluminous gneiss from Ayyarmalai, Southern Granulite Terrain, India: A...Sciences, Jadavpur University, Kolkata 700 032, India 3 Institut für Mineralogie, Universität Münster...302, India 5 Department of Geology, University of Mysore, Manasagangotri, Mysore 570 006, India 1 abStRact...granulites in the PalghatCauvery Shear Zone of southern India provides a classic example of quartz-absent muscovite...closely spaced centimeter to decimeter sized, corundum-bearing leucosomes developed in a weakly foliated |  | | Journal (article/letter/editorial) | | Comment on “First report of garnet–corundum rocks from southern India: Implications for prograde high-pressure...the Palghat– Cauvery shear zone (PCSZ), southern India, which is proposed as an important structural feature...conditions recorded by Mg–Al-rich rocks in southern India have been the focus of several studies (e.g. [4...g. [6,7]). The first documentation of garnet + corundum assemblages in ultrahigh-temperature rocks from...in PCSZ. Shimpo et al. [8] argue that garnet + corundum assemblages are rare in nature and that the presence |  | Karmakar, Shreya, Mukherjee, Subham, Sanyal, Sanjoy, Sengupta, Pulak (2017) Origin of peraluminous minerals (corundum, spinel, and sapphirine) in a highly calcic anorthosite from the Sittampundi Layered Complex, Tamil Nadu, India. Contributions to Mineralogy and Petrology, 172 (8) doi:10.1007/s00410-017-1383-8 | Journal (article/letter/editorial) | | ORIGINAL PAPER Origin of peraluminous minerals (corundum, spinel, and sapphirine) in a highly calcic anorthosite...from the Sittampundi Layered Complex, Tamil Nadu, India Shreya Karmakar1 · Subham Mukherjee1 · Sanjoy Sanyal1...the Sittampundi Layered Complex (SLC) develops corundum, spinel and sapphirine that are hitherto not reported...growth: plagioclasematrix → corundum; clinopyroxene → amphibole; corundum + amphibole → plagioclasecorona...plagioclasecorona + spinel; and spinel + corundum → coronitic sapphirine. Phase relations in the CaO–Na2O–Al2O3–SiO2–H2O |  | | Journal (article/letter/editorial) | | Netherlands 175 Sillimanite-Corundum Deposits of Sonapahar, Meghalaya, India: a Metamorphosed Precambrian...GOLANI* Geological Survey of India, Assam-Meghalaya Circle, ShiUong - 793 003 (India) (Received November 4,...Sillimanite-corundumdeposits of Sonapahar, Meghalaya, India: a metamorphosed Precambrian paleosol. Precambrian...major-element chemistry of the massive siUimanite- corundum and quartz-sillimanite schist does not correspond...the Precambrian rocks of the Meghalaya Plateau, India. Introduction Despite the vast amount of literature |  | Saha, L., Pant, N. C., Pati, J. K., Upadhyay, D., Berndt, J., Bhattacharya, A., Satynarayanan, M. (2011) Neoarchean high-pressure margarite–phengitic muscovite–chlorite corona mantled corundum in quartz-free high-Mg, Al phlogopite–chlorite schists from the Bundelkhand craton, north central India. Contributions to Mineralogy and Petrology, 161 (4) 511-530 doi:10.1007/s00410-010-0546-7 | Journal (article/letter/editorial) | | margarite–phengitic muscovite–chlorite corona mantled corundum in quartz-free high-Mg, Al phlogopite–chlorite...schists from the Bundelkhand craton, north central India L. Saha • N. C. Pant • J. K. Pati • D. Upadhyay...from the Bundelkhand craton in north central India, corundum porphyroblasts in finely interleaved phlogopite–...phengitic-muscovite and chlorite (phlogopite ? corundum ? H2O ? phengitic-muscovite ? chlorite), and \100...of Geology, Delhi University, New Delhi 110 007, India J. K. Pati Department of Earth and Planetary Sciences |  | | Journal (article/letter/editorial) | | Comment on “First report of garnet–corundum rocks from Southern India: Implications for prograde high-pressure...recent paper reporting the discovery of garnet + corundum assemblages in silica-deficient Mg–Al rocks from...Sevitturangampatti in Namakkal district, southern India [2] provides us with a welcome opportunity to discuss...(PCSS). Shimpo et al. [2] inferred that the garnet–corundum bearing rocks from this locality underwent T =...supercontinent [3]. We argued that the rare garnet + corundum assemblage, together with the occurrence of magnesian |  | | Journal (article/letter/editorial) | | N-S geotransect from Vellar to Dharapuram, South India. The Indian Mineralogist, v. 34, pp. 32-37. Smith...The Archaean and Proterozoic terrains of southern India within East Gondwana. Gondwana Res. Group Mem. No...Rajesh, H.M. and Santosh, M. (1999) Juxtaposition of India and Madagascar: a perspective. Gondwana Res., V...Shear Zone System (Karur-Kangayam Belt), Southern India M. Santoshl and Alan S. Collins2 Faculty of Science...southern India. The gem mineralization in this belt includes different varieties of corundum (star ruby |  | | Journal (article/letter/editorial) | | simple 3lassi~e Minerals (Crystalline I~ocks) jrom India and Australia. By Professor Joan W. JUDD, (~.B....of my friends and former students, resident in India, were able to make inquiries and supply me with...new light on SOM~ SIMPLE MASSIVE MINERALS FROM INDIA AND AUSTBALIA. 5"/ the nature and mode of occurrence...Deputy Superintendent of the Geological Sttrvey of India, Mr. P. Bosworth Smith, F.G.S., formerly Government...since his exploration of Upper Burma. Corundum-Rock. Corundum often occurs in the Eastern States of |  | | Journal (article/letter/editorial) | | Namlekonda (Karimnagar), Andhra Pradesh, Southern India a D. Prakash & I. N. Sharma a a Banaras Hindu...Namlekonda (Karimnagar), Andhra Pradesh, Southern India, International Geology Review, 50:11, 1008-1021...Namlekonda (Karimnagar), Andhra Pradesh, Southern India D. PRAKASH1 AND I. N. SHARMA Department of Geology...Geology, Banaras Hindu University, Varanasi–221 005, India Downloaded by [Florida International University]...–spinel–cordierite–orthopyroxene –corundum–potash feldspar; (ii) corundum– chlorite–spinel–magnetite ± biotite–cordierite; |  | | Journal (article/letter/editorial) | | Indian Institute of Technology, Kharagpur-721 302, India Received 20 May 2005; accepted 30 March 2006 Available...reconstructed using the metamorphic transition in corundum granulites from early biotite melting to later...the leucocratic and melanocratic layers in the corundum granulites evolved from an initial silica-oversaturated...metamorphism (BM2), the reaction path and history in the corundum granulites shifted to the restitic domain allowing...spinel1 and sillimanite to produce coronal garnet2–corundum assemblage via a FMAS univariant reaction. In |  | | Journal (article/letter/editorial) | | Earth Science Studies, Akkulam, Trivandrum-695 031, India Peradeniya University, Peradeniya, Sri Lanka Supercontinent...ibid), Sri Lanka (Yoshida et al., 1996 in NIPR-AB), India (Harris et al., 1996 in JSEAES; Shaw et al., 1997...Pan-African terrains surrounding the Madagascar-India sector of East Gondwana are known to be enriched...mineralizations in the Proterozoic terrain of southern India, such as molybdenite were also generated during...Madagascar, and the limited data available from southern India, may provide important guidelines for other related |  | | Journal (article/letter/editorial) | | sapphirine-bearing granulite from Podur, Andhra Pradesh, India I. N. Sharma and D. Prakash Department of Geology...Geology, Banaras Hindu University, Varanasi, India Received March 20, 2007; revised version accepted July...Hyderabad, India. The common stable assemblage contains cordierite-biotite-sapphirine-spinel-corundum-K-feldspar...reactions: biotite þ corundum ¼ spinel þ K-feldspar þ H2 O phlogopite ðin biotiteÞ þ corundum ¼ eastonite ðin...cordierite ¼ sapphirine2:2:1 cordierite þ biotite þ corundum ¼ sapphirine7:9:3 þ K-feldspar þ H2 O sapphirine7:9:3 |  | | Journal (article/letter/editorial) | | from the Palghat-Cauvery Suture Zone, southern India: Evidence for high-pressure and ultrahigh-temperature...Palghat-Cauvery Suture Zone (PCSZ) in southern India providing unequivocal evidence for extreme crustal...one of the largest granulite blocks in southern India, indicate deep crustal metamorphism at extreme thermal... 2004). From the southern granulite terrane in India, sapphirine+ quartz assemblage has been reported...490–502 Fig. 1. (a) Geological map of southern India showing various granulite blocks and major shear/suture |  | Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 | Journal (article/letter/editorial) | | 3 ARTICLE Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological...Abstract The oxygen isotopic composition of gem corundum was measured from 22 deposits and occurrenEditorial...geological identification and characterization. Primary corundum deposits in Madagascar are hosted in magmatic...deposits, provoked in situ transformation of the corundum host rocks with the formation of metasomatites...marble from Andranondambo). The δ18O values for gem corundum from secondary deposits have a wide spread between |  | Sengupta, P., Bhui, U. K., Braun, I., Dutta, U., Mukhopadhyay, D. (2009) Chemical substitutions, paragenetic relations, and physical conditions of formation of hogbomite in the Sittampundi layered anorthosite complex, South India. American Mineralogist, 94 (11) 1520-1534 doi:10.2138/am.2009.3121 | Journal (article/letter/editorial) | | Sittampundi layered anorthosite complex, South India Pulak SenguPta,1,* uttam k. Bhui,1 ingo Braun,2...Sciences, Jadavpur University, Kolkata 700032, India Mineralogisch-Petrologisches Institut, Universität... 29, Ballygunge Circular Road, Kolkata 700019, India 1 2 aBStract Layered anorthosite, chromiferous...2.9 Ga Sittampundi layered complex (SLC), South India, underwent high-grade metamorphism at ca. 2.5 Ga...e and corundum+spinel+chlorite. Tiny grains of högbomite replaced only the grains of corundum and spinel |  | Sengupta, P., Sen, J., Dasgupta, S., Raith, M., Bhui, U. K., Ehl, J. (1999) Ultra-high Temperature Metamorphism of Metapelitic Granulites from Kondapalle, Eastern Ghats Belt: Implications for the Indo-Antarctic Correlation. Journal of Petrology, 40 (7) 1065-1087 doi:10.1093/petroj/40.7.1065 | Journal (article/letter/editorial) | | SCIENCES, JADAVPUR UNIVERSITY, CALCUTTA 700032, INDIA 2 MINERALOGISCH–PETROLOGISCHES INSTITUT, UNIVERSITÄT...MINERAL DIVISION, GOVERNMENT OF INDIA, LALCHAND BASTI, SHILLONG 793011, INDIA RECEIVED FEBRUARY 1, 1998;...ACCEPTED JANUARY 8, 1999 A suite of quartz- and corundum-bearing metapelitic granulites, intruded by layered...Fe2O3-poor ilmenite + garnet + O2. Reactions in the corundum-bearing associations are: (f) spinel + biotite...+ Ti-rich spinel + corundum + liquid; (h) biotite + sillimanite → garnet + corundum + liquid; (i) Fe2TiO4 |
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Mysore corundum deposits, Karnataka, India