 | Grew, E. S., Rao, A. T., Raju, K. K. V. S., Hejny, C., Moore, J. M., Waters, D. J., Yates, M. G., Shearer, C. K. (2003) Prismatine and ferrohögbomite-2N2S in granulite-facies Fe-oxide lenses in the Eastern Ghats Belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do such lenses have a tourmaline-enriched lateritic precursor?. Mineralogical Magazine, 67 (5) 1081-1098 doi:10.1180/0026461036750144 | Journal (article/letter/editorial) | | Belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do such lenses have a tourmaline-enriched...USA Department of Geology, Andhra University, Visakhapatnam 530 003, India School of Physics, University...Al)5O21(OH,F), with F/(OH+F) = 0.36 0.40 and hercynite are major constituents of a Fe-Al-B-rich lens...te gneisses of the Eastern Ghats belt, Andhra Pradesh, India. Hemo-ilmenite, sapphirine, magnetite, biotite...prismatine, ferrohögbomite, Eastern Ghats Belt, India, Namaqualand, South Africa. Introduction ELEVATED |  | | Journal (article/letter/editorial) | | Sapphirine-Spinel-Quartz Assemblages from Paderu, Southern India by R. K. L A L \ D. ACKERMAND 2 AND H....Geology, Banaras Hindu University, Varanasi 221005, India Mineralogisches Institut der Universitaet Kiel,...(Sa)-spinel (Sp)-quartz (Qz)-bearing rocks from Paderu occur as lenticular enclaves within the Precambrian...Precambrian khondalite-charnockite terrene of southern India. In addition these rocks contain orthopyroxene (Opx)...GEOLOGICAL SETTING The Paderu area, which is in the Visakhapatnam district of Andhra Pradesh, constitutes part |  | | Journal (article/letter/editorial) | | Banaras Hindu University, Varanasi, 221005, UP, India *Corresponding author, e-mail: das_kaushik@vsnl...essentially solid solutions of spinel, magnetite and hercynite as well as free of zinc. This coexisting spinel...taken from granulite samples from Eastern Ghats, India and sillimanite seeds were taken from high-grade...33. Spinels are essentially solid solutions of hercynite, spinel and magnetite. It is noteworthy that in...natural occurrences exsolution relationships among hercynite, spinel and magnetite are reported (Sandiford |  | Grew, E. S., Chernosky, J. V., Werding, G., ABRAHAM, K., MARQUEZ, N., HINTHORNE, J. R. (1990) Chemistry of Kornerupine and Associated Minerals, a Wet Chemical, Ion Microprobe, and X-Ray Study Emphasizing Li, Be, B and F Contents. Journal of Petrology, 31 (5) 1025-1070 doi:10.1093/petrology/31.5.1025 | Journal (article/letter/editorial) | | South Africa Zimbabwe Uganda Tanzania Madagascar India East Germany Norway Canada Greenland Afghanistan...(PI) Quartz (Qtz) Ilmemte/hematite Spinel (Spl)/ Hercynite (He) Corundum (Cm) Rutile (Rt) Magnetite (Mag)...Mnz—monazite, Ms—muscovite, Sul—sulfide. Spinel (Spl)/ Hercynite (He) Corundum (Crn) Rutile (Rt) Magnetite (Mag)...kornerupine with sapphirine, sillimanite, and hercynite, the last of which is dark from abundant magnetite...PI—plagioclase, Crd cordierite, Si! sillimanite, He hercynite, Bt biotite. CHEMISTRY OF KORNERUPINE AND ASSOCIATED |  | | Journal (article/letter/editorial) | | granulites from Panasapattu, Eastern Ghats belt, India: Ultrahigh-temperature metamorphism in a Proterozoic...Management Authority, Government of India, A-1 Safdarjung Enclave, New Delhi, India Department of Interdisciplinary...granulites from a new locality in Panasapattu of Paderu region in the Eastern Ghats granulite belt, which...inferred from the MgeAl sapphirine granulites in the Paderu area. Lal et al. (1987) had earlier suggested a...(2003) also proposed a clockwise path from the Paderu region, in which peak peT conditions of w10 kbar |  | 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;...granulites; UHT metamorphism; Eastern Ghats Belt, India; Indo-Antarctic terrane assembly INTRODUCTION Detail...the Eastern Ghats Belt (compiled by M. Raith). India: DC, BC and SC, Middle to Late Archaean Dharwar...Eastern Ghats orogenic belt along the east coast of India (Fig. 1) preserves vestiges of UHT metamorphism |  | | Journal (article/letter/editorial) | | in a granulite complex from the Eastern Ghats, India Received: 27 June 2001 / Accepted: 20 November...granulite complex of Paderu, in the south central sector of the Eastern Ghats belt, India, consists of closely...Statistical Institute, 203 B.T. Road, Kolkata 700 035, India E-mail: samar@www.isical.ac.in R. Kar Department...Geology, J.K. College, Purulia 723 101, West Bengal, India Editorial responsibility: T.L. Grove Introduction...Eastern Ghats granulite belt along the east coast of India, dehydration melting in pelitic precursors under |  | | Journal (article/letter/editorial) | | ultrahigh-temperature granulite, Eastern Ghats, India: Possible evidence of an early Tschermak-rich orthopyroxene...Varanasi-221005, India 2 Department of Geology, Presidency College, Kolkata-700073, India 3 Department of...Kolkata-700032, India ABSTRACT UHT metamorphosed aluminous granulites from the Eastern Ghats Belt, India, contain...orthopyroxene, prograde path for UHT rocks, Eastern Ghats, India INTRODUCTION Aluminous granulites are keys to understanding...Applied Geology, Indian School of Mines, Dharbad, India 826004. E-mail: das_ kaushik@vsnl.net 0003-004X/06/0203–375$05 |  | SENGUPTA, P., DASGUPTA, S., BHATTACHARYA, P. K., FUKUOKA, M., CHAKRABORTI, S., BHOWMICK, S. (1990) Petro-tectonic Imprints in the Sapphirine Granulites from Anantagiri, Eastern Ghats Mobile Belt, India. Journal of Petrology, 31 (5) 971-996 doi:10.1093/petrology/31.5.971 | Journal (article/letter/editorial) | | Granulites from Anantagiri, Eastern Ghats Mobile Belt, India by PULAK SENGUPTA 1 , SOMNATH DASGUPTA 1 , P. K...of Geology, Kyushu University, Fukuoka, Japan India (Received 8 May 1989; revised typescript accepted...lenses in charnockite at Anantagiri, Eastern Ghat, India, displays an array of minerals which developed under...northeast-southwest along the eastern coast of India (Fig. 1), mainly comprise khondalite (garnet-si...from the granulites of the Eastern Ghats belt, India. Reaction textures developed in the granulites have |  | | Journal (article/letter/editorial) | | spinel-bearing metapelites in Rayagada, Eastern Ghats, India R. K. Shaw and M. Arima Geological Institute, Yokohama...metapelites from Rayagada, in the Eastern Ghats Belt, India: the first, an iron-rich assemblage, is characterized...rocks, exposed along the east-coast of Peninsular India. It has attracted the attention of many geologists...Inset shows locations of earlier study-areas as - 1 Paderu (Lal et al., 1987), 2 Vizianagaram (Kamineni and...characterized by the presence of iron-rich spinel (hercynite), iron-rich garnet and the absence of cordierite |  | | Journal (article/letter/editorial) | | at Salur in the Eastern Ghats Granulite Belt of India A. K. MUKHOPADHYAY AND A . B HATTACHARYA* Department...Indian Institute of Technology, Kharagpur 721 302, India (e-mail: abba@gg.iitkgp.ernet.in) A B S TR A C...metamorphic rocks in the Eastern Ghats Belt of India has been a subject of increasing scrutiny in recent...Geological map of the Salur gneiss complex, Andhra Pradesh, India. P – T E VO LU TIO N OF T H E S AL U R...of ilmenite-hematite (four cations basis) and hercynite–magnetite (three cations basis). Bt-rich gneiss |  | | Journal (article/letter/editorial) | | metamorphic evolution of the Eastern Ghats Belt, India, based on relict composite inclusions in garnet...Management Authority, Government of India, A-1 Safdarjung Enclave, New Delhi, India 2 Dipartimento di Scienze della...from Gangaraju Madugula, Eastern Ghats Belt (EGB), India preserve a rich variety of mineral assemblages and...Management Authority, Government of India, A-1 Safdarjung Enclave, New Delhi, India. E-mail: Dharma_rao@hotmail...located about 120 km NW of Vishakapatnam, Andhra Pradesh, India (Figure 1). This region was selected because |  | BOSE, S, DAS, K, DASGUPTA, S, MIURA, H, FUKUOKA, M (2006) Exsolution textures in orthopyroxene in aluminous granulites as indicators of UHT metamorphism: New evidence from the Eastern Ghats Belt, India. Lithos, 92 (3) 506-523 doi:10.1016/j.lithos.2006.03.062 | Journal (article/letter/editorial) | | metamorphism: New evidence from the Eastern Ghats Belt, India Sankar Bose a , Kaushik Das b , Somnath Dasgupta...Kolkata-700 073, India Department of Applied Geology, Indian School of Mines, Dhanbad-826004, India c Department...Sciences, Jadavpur University, Kolkata-700 032, India d Department of Earth and Planetary Sciences, Hokkaido...from three localities in the Eastern Ghats Belt, India. Orthopyroxene contains four types of intergrowths:...sensor. The Proterozoic Eastern Ghats Belt (EGB) in India is one of the key terrains that experienced UHT |  | Prakash, Divya, Kumar, Manish, Rai, Swapnil Kumar, Singh, Chandra Kant, Singh, Saurabh, Yadav, Roopali, Jaiswal, Srishti, Srivastava, Vedika, Yadav, Manoj Kumar, Bhattacharjee, Sourav, Singh, Pradip Kumar (2021) Metamorphic P–T evolution of Hercynite-quartz-bearing granulites from the Diwani Hill, North East Gujarat (NW India) Precambrian Research, 352. 105997pp. doi:10.1016/j.precamres.2020.105997 | Journal (article/letter/editorial) | | evolution of Hercynite-quartz-bearing granulites from the Diwani Hill, North East Gujarat (NW India) D. Prakash...evolution of Hercynite-quartz-bearing granulites from the Diwani Hill, North East Gujarat (NW India), Precambrian...evolution of Hercynite-quartz-bearing granulites from the Diwani Hill, 2 North East Gujarat (NW India) 3 ...221005; India 7 bCentre of Advanced Study in Geology, University of Lucknow, Lucknow- 226007; India 8...charnockites, granites, calc-granulites and 5 hercynite-quartz-bearing pelitic granulites. The symplectite |  | | Journal (article/letter/editorial) | | Sciences, Jadavpur University, Calcutta, 700 032, India ABSTRACT Experiments were carried out in the quartz-saturated...1989, 1991; Nowicki et al. 1995), Eastern Ghats, India (Grew 1982a; Lal et al. 1987; Dasgupta et al. 1997)...rocks. In addition to spinel (magnetite-spinel-hercynite solid solution), these rocks contain other oxide...natural assemblages from the Eastern Ghats Belt, India, which correspond to reactions around [Spr,Grt,Os]...experimental run conditions. is essentially a hercynite-magnetite-spinel solid solution (Fig. 6). Such |  | | Journal (article/letter/editorial) | | localities world-wide, only at one other locality, Paderu, India, does kornerupine occur where sapphirine-quartz...this MgO content. The green spinel is largely hercynite-spinel solid solution, for Cr20 3 and ZnO contents... rocks from Paderu 552 SHORT C O M M U N I C A T I O N S and Ganguvarpatti in India, which are characterized...(1980) J. Petrol. 21, 39-68. (1982) J. Geol. Soc. India, 23, 469-505. (1983a) Mineral. Mag. 47, 401-3. (1983b) |  | | Journal (article/letter/editorial) | | magmatic arc (Ongole domain of the Eastern Ghats Belt, India): Part 1. Petrology and pressure–temperature evolution...Ongole domain of the Proterozoic Eastern Ghats Belt, India, is dominated by charnockites and enderbites with...indicate two generations of mineral growth. Spinel–hercynite solid solution + quartz-bearing Fe–Al granulites...Bastar and Singhbhum cratonic blocks of peninsular India is a classic Proterozoic geological entity and takes...1000 km along the eastern margin of the peninsular India in a roughly NE–SW direction. It is an assembly |  | | Journal (article/letter/editorial) | | assemblage from the Eastern Ghats Granulite Belt, India: evidence for high P–T metamorphism? R . K . S H...north-central part of the Eastern Ghats Granulite Belt, India. Corundum porphyroblasts and quartz coexist with...with porphyroblastic almandine-rich garnet, hercynite spinel, ilmenite and magnetite. Corundum and quartz...inferred. Key words: Corundum–quartz; Eastern Ghats, India; high P–T granulites; high-T decompression. I NTR...part of the Eastern Ghats Granulite Belt (EGGB), India. G E O L O G IC A L S E T T IN G The EGGB forms |  | SENGUPTA, P., KARMAKAR, S., DASGUPTA, S., FUKUOKA, M. (1991) Petrology of spinel granulites from Araku, Eastern Ghats, India, and a petrogenetic grid for sapphirine-free rocks in the system FMAS. Journal of Metamorphic Geology, 9 (4) 451-459 doi:10.1111/j.1525-1314.1991.tb00539.x | Journal (article/letter/editorial) | | of spinel granulites from Araku, Eastern Ghats, India, and a petrogenetic grid for sapphirine-free rocks...Sciences, Jadavpur University, Calcutta-7ooO32, India *Department of Earth and Planetary Sciences, Kyushu...granulites from the Araku area, Eastern Ghats belt, India. Subsequent reactions produced orthopyroxene + sillimanite...granulites from the Araku area, Eastern Ghats, India (Fig. 1). We propose a partial petrogenetic grid...Eastern Ghats granulite belt along the east coast of India (Fig. 1) exposes several types of ortho- and paragneisses |  | | Report (chapter) | | IBC and Near-isothermal 6. Eastern Ghats (N) 6a. Paderu 6b. Anakapalle 73 77 77 80 61 64 66 - 52 >...1986; Currie & Gittins 1988); the Eastern Ghats of India (Grew 1982b; Lal et al. 1984, 1987; Dasgupta 1995);...the IBC stage. T h e E a s t e r n G h a t s , India: c o m p l e x i t y in I B C a n d I T D histories...have been recognized from the Eastern Ghats of India for some time (Grew 1982b). These have now been...some 10 000 km 2 in size centred on Paderu-Anantigiri in Andhra Pradesh; and a southern region west of Madras |  | DASGUPTA, S., SENGUPTA, P., EHL, J., RAITH, M., BARDHAN, S. (1995) Reaction Textures in a Suite of Spinel Granulites from the Eastern Ghats Belt, India: Evidence for Polymetamorphism, a Partial Petrogenetic Grid in the System KFMASH and the Roles of ZnO and Fe2O3. Journal of Petrology, 36 (2) 435-461 doi:10.1093/petrology/36.2.435 | Journal (article/letter/editorial) | | SCIENCES, JADAVPUR UNIVERSITY, CALCUTTA—700 031, INDIA "MINERALOGISCH-PETROLOGISCHES INSTITUT, UNIVERSITY...Spinel Granulites from the Eastern Ghats Belt, India: Evidence for Polymetamorphism, a Partial Petrogenetic...FeO—MgO—Al2O^Gokavaram in the Eastern Ghats Belt, India. Spinel granulites SiO2-K2O-H2O at high (o, ha*...pro-KEY WORDS spinel granulite; Eastern Ghats; India; polymelagrade dehydration melting reactions involving...are common in the Precambrian Eastern Ghats Belt, India (Grew, 1982), and recent studies (Lai et al., 1987; |  | | Journal (article/letter/editorial) | | high-MgAl granulites at Anakapalle, Eastern Ghats Belt, India: examples of contact polymetamorphism and in®ltration-driven...Sciences, Jadavpur University, Calcutta-700032, India ABSTRACT High-MgAl rocks occur as xenoliths (up...granulite; metasomatism, Proterozoic Eastern Ghats Belt, India; ultrahightemperature metamorphism; xenolith. INTRODUCTION...in the Proterozoic Eastern Ghats Belt (EGB) of India (Fig. 1) (Grew, 1982; Lal et al., 1987; Kamineni...Simpli®ed geological map of the Eastern Ghats Belt of India modi®ed after Ramakrishnan et al. (1998). The units |  | | Journal (article/letter/editorial) | | GEOLOGICAL SCIENCES, JADAVPUR UNIVERSITY, KOLKATA, INDIA RECEIVED FEBRUARY 17, 2002; ACCEPTED DECEMBER 6...seven natural occurrences discussed in the text. 1, Paderu: Lal et al. (1987); 2, Gangaraja Madugula: Mohan...been reported from the Eastern Ghats Belt, India. At Paderu the metamorphic history of assemblages with...Mg±Al granulites from Sunkarimetta, Eastern Ghats, India: evidence for a lower crustal heating±cooling trajectory...spinel granulites from the Eastern Ghats Belt, India: evidence for polymetamorphism, a partial petrogenetic |  | Bose, , Fukuoka, , Sengupta, , Dasgupta, (2001) Evolution of high-Mg-Al granulites from Sunkarametta, Eastern Ghats, India: evidence for a lower crustal heating-cooling trajectory. Journal of Metamorphic Geology, 18 (3) 223-240 doi:10.1046/j.1525-1314.2000.00253.x | Journal (article/letter/editorial) | | high-Mg–Al granulites from Sunkarametta, Eastern Ghats, India: evidence for a lower crustal heating–cooling trajectory...Sciences, Jadavpur University, Calcutta-700 032, India (somnath@jugeo.clib0.ernet.in), and 2 Department...granulites from Sunkarametta, Eastern Ghats Belt, India, shows contrasting prograde assemblages of extremely...granulites from Sunkarametta, Eastern Ghats Belt, India (Fig. 1). This suite of rocks provides evidence...Department of Geology, Durgapur Gort College, WB-713214, India. © Blackwell Science Inc., 0263-4929/00/$15.00 Journal |  | BARBOSA, J, NICOLLET, C, LEITE, C, KIENAST, J, FUCK, R, MACEDO, E (2006) Hercynite–quartz-bearing granulites from Brejões Dome area, Jequié Block, Bahia, Brazil: Influence of charnockite intrusion on granulite facies metamorphism. Lithos, 92 (3) 537-556 doi:10.1016/j.lithos.2006.03.064 | Journal (article/letter/editorial) | | (2006) 537 – 556 www.elsevier.com/locate/lithos Hercynite–quartz-bearing granulites from Brejões Dome area...type collected close to the Brejões Dome are hercynite + quartz-bearing and record higher temperatures...of the study area. Quartz–spinel and quartz–hercynite (Zn-poor spinel) assemblages are observed in aluminous–magnesian...et al., 1989), Norway (e.g. Tobi et al., 1985), India (e.g. Lal et al., 1987), Australia (e.g. Warren...areas and experimental data have shown that the hercynite + quartz association is formed at high temperature |
|
