Items where Author is "Dasgupta , Somnath"

Article

Dasgupta, Somnath ; Bhowmik, Santanu Kumar (2021) Types of Metamorphism Encyclopedia of Geology (Second Edition) . pp. 354-365. ISSN 978-0-08-102909-1

Bhowmik, Santanu Kumar ; Dasgupta, Somnath ; Baruah, Sudipta ; Kalita, Deepika (2018) Thermal history of a Late Mesoproterozoic paired metamorphic belt (?) during Rodinia assembly: New insight from medium-pressure granulites from the Aravalli-Delhi Mobile Belt, Northwestern India Geoscience Frontiers, 9 (2). pp. 335-354. ISSN 1674-9871

Dasgupta, Somnath ; Bose, Sankar ; Bhowmik, Santanu Kumar ; Sengupta, Pulak (2017) The Eastern Ghats Belt, India, in the context of supercontinent assembly Geological Society, London, Special Publications, 457 (1). pp. 87-104. ISSN 0305-8719

Goswami-Banerjee, Sriparna ; Bhowmik, Santanu Kumar ; Dasgupta, Somnath ; Pant, Naresh Chandra (2014) Burial of thermally perturbed Lesser Himalayan mid-crust: Evidence from petrochemistry and P–T estimation of the western Arunachal Himalaya, India Lithos, 208 . pp. 298-311. ISSN 0024-4937

Bhowmik, Santanu Kumar ; Dasgupta, Somnath (2012) Tectonothermal evolution of the Banded Gneissic Complex in central Rajasthan, NW India: Present status and correlation Journal of Asian Earth Sciences, 49 . pp. 339-348. ISSN 1367-9120

Das, Kaushik ; Bose, Sankar ; Karmakar, Subrata ; Dunkley, Daniel J. ; Dasgupta, Somnath (2011) Multiple tectonometamorphic imprints in the lower crust: first evidence of ca. 950 Ma (zircon U-Pb SHRIMP) compressional reworking of UHT aluminous granulites from the Eastern Ghats Belt, India Geological Journal, 46 (2-3). pp. 217-239. ISSN 0072-1050

Bose, Sankar ; Dunkley, Daniel J. ; Dasgupta, Somnath ; Das, Kaushik ; Arima, Makoto (2011) India-Antarctica-Australia-Laurentia connection in the Paleoproterozoic-Mesoproterozoic revisited: evidence from new zircon U-Pb and monazite chemical age data from the Eastern Ghats Belt, India GSA Bulletin . ISSN 0016-7606

Bhowmik, Santanu Kumar ; Dasgupta, Somnath (2011) Tectonothermal evolution of the Banded Gneissic Complex in central Rajasthan, NW India: present status and correlation Journal of Asian Earth Sciences, 49 . pp. 339-348. ISSN 1367-9120

Bose, Sankar ; Das, Kaushik ; Ohnishi, Ichiro ; Torimoto, Junji ; Karmakar, Subrata ; Shinoda, Keiji ; Dasgupta, Somnath (2009) Characterization of oxide assemblages of a suite of granulites from Eastern Ghats Belt, India: implication to the evolution of C-O-H-F fluids during retrogression Lithos, 113 (3-4). pp. 483-497. ISSN 0024-4937

Dasgupta, Somnath ; Chakraborty, Sumit ; Neogi, Sudipta (2009) Petrology of an inverted Barrovian sequence of metapelites in Sikkim Himalaya, India: constraints on the tectonics of inversion American Journal of Science, 309 (1). pp. 43-84. ISSN 0002-9599

Karmakar, Subrata ; Bose, Sankar ; Das, Kaushik ; Dasgupta , Somnath (2009) Proterozoic Eastern Ghats Belt, India - a witness of multiple orogenies and its lineage with ancient supercontinents Journal of the Virtual Explorer, 32 . No pp. given. ISSN 1441-8142

Sengupta, Pulak ; Dasgupta, Somnath ; Dutta, Niloy Ranjan ; Raith, Michael M. (2008) Petrology across a calcareous rock-anorthosite interface from the Chilka Lake Complex, Orissa: implications for neo-proterozoic crustal evolution of the Northern Eastern Ghats Belt Precambrian Research, 162 (1-2). pp. 40-58. ISSN 0301-9268

Chakraborty, Sumit ; Dasgupta, Somnath ; Neogi, Sudipta (2007) Nucleation kinetics controlled by chemical overstepping and its tectonic implications: an example from the Sikkim Himalaya European Journal of Mineralogy, 19 (6). pp. 791-803. ISSN 0935-1221

Bose, Sankar ; Das, Kaushik ; Dasgupta, Somnath ; Miura, Hiroyuki ; Fukuoka, Masato (2006) Exsolution textures in orthopyroxene in aluminous granulites as indicators of UHT metamorphism: new evidence from the Eastern Ghats Belt, India Lithos, 92 (3-4). pp. 506-523. ISSN 0024-4937

Das, Kaushik ; Bose, Sankar ; Ohnishi, Ichiro ; Dasgupta, Somnath (2006) Garnet-spinel intergrowths in ultrahigh-temperature granulite, Eastern Ghats, India: possible evidence of an early Tschermak-rich orthopyroxene during prograde metamorphism American Mineralogist, 91 (2-3). pp. 375-384. ISSN 0003-004X

Dasgupta, Somnath ; Pal, Supratim (2005) Origin of grandite garnet in calc-silicate granulites: mineral-fluid equilibria and petrogenetic grids Journal of Petrology, 46 (5). pp. 1045-1076. ISSN 0022-3530

Sarkar, Sushmita ; Santosh, M. ; Dasgupta, Somnath ; Fukuoka, M. (2003) Very high density CO₂ associated with ultrahigh-temperature metamorphism in the Eastern Ghats granulite belt, India Geology, 31 (1). pp. 51-54. ISSN 0091-7613

Dasgupta, Somnath ; Sengupta, Pulak (2003) Indo-Antarctic correlation: a perspective from the Eastern Ghats granulite belt, India Geological Society, London, Special Publications, 206 . pp. 131-143. ISSN 0305-8719

Das, Kaushik ; Dasgupta, Somnath ; Miura, Hiroyuki (2003) An experimentally constrained petrogenetic grid in the silica-saturated portion of the system KFMASH at high temperatures and pressures Journal of Petrology, 44 (4). pp. 1055-1075. ISSN 0022-3530

Dasgupta, Somnath ; Sengupta, Pulak (2002) Ultrahigh temperature metamorphism in the Eastern Ghats Belt, India: evidence from high Mg-Al granulites Proceedings of the Indian National Science Academy - Part A: Physical Sciences, 68 (1). pp. 21-34. ISSN 0370-0046

Mukhopadhyay, Subir ; Roy, Supriya ; Fukuoka, Masato ; Dasgupta, Somnath (2002) Controls of evolution of mineral assemblages in ultrahigh-temperature metamorphosed Mn-carbonate-silicate rocks from the Eastern Ghats Belt, India European Journal of Mineralogy, 14 (1). pp. 73-83. ISSN 0935-1221

Das, Kaushik ; Dasgupta, Somnath ; Miura, Hiroyuki (2001) Stability of osumilite coexisting with spinel solid solution in metapelitic granulites at high oxygen fugacity American Mineralogist, 86 (11-12). pp. 1423-1434. ISSN 0003-004X

Dasgupta, Somnath ; Sengupta, Sudipta ; Bose, Santanu ; Fukuoka, Masato ; Dasgupta, Sreemati (2001) Polymetamorphism in the Schirmacher Hills granulites, East Antarctica: implications for tectonothermal reworking of an isobarically cooled deep continental crust Gondwana Research, 4 (3). pp. 337-357. ISSN 1342-937X

Ganguly, Jibamitra ; Dasgupta, Somnath ; Cheng, Weiji ; Neogi, Sudipta (2000) Exhumation history of a section of the Sikkim Himalayas, India: records in the metamorphic mineral equilibria and compositional zoning of garnet Earth and Planetary Science Letters, 183 (3-4). pp. 471-486. ISSN 0012-821X

Banerjee, Ranadip ; Roy, Supriya ; Dasgupta, Somnath ; Mukhopadhyay, Subir ; Miura, Hiroyuki (1999) Petrogenesis of ferromanganese nodules from East of the Chagos Archipelago, Central Indian Basin, Indian Ocean Marine Geology, 157 (3-4). pp. 145-158. ISSN 0025-3227

Dasgupta, Somnath ; Sengupta, Pulak ; Pal, Supratim ; Fukuoka, Masato (1999) Evidence of superposed metamorphism from the Gokavaram area, Eastern Ghats Belt, and its relation with the Kemp Land Coast, East Antarctica Gondwana Research, 2 (2). pp. 227-236. ISSN 1342-937X

Neogi, Sudipta ; Dasgupta, Somnath ; Fukuoka, Masato (1998) High P-T polymetamorphism, dehydration melting, and generation of migmatites and granites in the higher Himalayan crystalline complex, Sikkim, India Journal of Petrology, 39 (1). pp. 61-99. ISSN 0022-3530

Dasgupta, Somnath ; Guha, Dipayan ; Sengupta, Pulak ; Miura, Hiroyuki ; Ehl, Jürgen (1997) Pressure-temperature-fluid evolutionary history of the polymetamorphic Sandmata granulite complex, Northwestern India Precambrian Research, 83 (4). pp. 267-290. ISSN 0301-9268

Dasgupta, Somnath ; Ehl, Jürgen ; Raith, Michael M ; Sengupta, Pulak ; Sengupta, Pranesh (1997) Mid-crustal contact metamorphism around the Chimakurthy mafic-ultramafic complex, Eastern Ghats Belt, India Contributions to Mineralogy and Petrology, 129 (2-3). pp. 182-197. ISSN 0010-7999

Dasgupta, Somnath (1997) P-T-X relationships during metamorphism of manganese-rich sediments: current status and future studies Geological Society - Special Publications, 119 (1). pp. 327-337. ISSN 0305-8719

Nicholson, Keith ; Hein, James R. ; Bühn, Bernhard ; Dasgupta, Somnath (1997) Precambrian to modern manganese mineralization: changes in ore type and depositional environment Geological Society, London, Special Publications, 119 . pp. 1-3. ISSN 0305-8719

Sengupta, Pulak ; Dasgupta, Somnath ; Bhui, Uttam Kumar ; Ehl, Jürgen ; Fukuoka, Masato (1996) Magmatic evolution of mafic granulites from Anakapalle, Eastern Ghats, India: implications for tectonic setting of a precambrian high-grade terrain Journal of Southeast Asian Earth Sciences, 14 (3-4). pp. 185-198. ISSN 0743-9547

Dasgupta, Somnath ; Sengupta, Pulak (1995) Ultrametamorphism in Precambrian granulite terranes: evidence from Mg-AI granulites and calc-silicate granulites of the Eastern Ghats, India Geological Journal, 30 (3-4). pp. 307-318. ISSN 0072-1050

Bhowmik, Santanu Kumar ; Dasgupta, Somnath ; Hoernes, Stephan ; Bhattacharya, Prasanta Kumar (1995) Extremely high-temperature calcareous granulites from the eastern ghats, India; evidence for isobaric cooling, fluid buffering, and terminal channelized fluid flow European Journal of Mineralogy, 7 (3). pp. 689-703. ISSN 0935-1221

Chaudhuri, Asru K. ; Chanda, S. K. ; Dasgupta, Somnath (1994) Proterozoic glauconitic peloids from South India; their origin and significance Journal of Sedimentary Research, 64 (4a). pp. 765-770. ISSN 1527-1404

Dasgupta, Somnath ; Sanyal, Sanjoy ; Sengupta, Pulak ; Fukuko, M. (1994) Petrology of granulites from Anakapalle-evidence for Proterozoic decompression in the Eastern Ghats, India Journal of Petrology, 35 (2). pp. 433-459. ISSN 0022-3530

Dasgupta, Somnath ; Ehl, Juergen (1993) Reaction textures in a spinel-sapphirine granulite from the Eastern Ghats, India, and their implications European Journal of Mineralogy, 5 (3). pp. 537-543. ISSN 0935-1221

Dasgupta, Somnath ; Sengupta, Pulak ; Fukuoka, M. ; Roy, Supriya (1993) Contrasting parageneses in the manganese silicate-carbonate rocks from Parseoni, Sausar Group, India and their interpretation Contributions to Mineralogy and Petrology, 114 (4). pp. 533-538. ISSN 0010-7999

Dasgupta, Somnath ; Sengupta, Pulak ; Mondal, A. ; Fukuoka, M. (1993) Mineral chemistry and reaction textures in metabasites from the Eastern Ghats belt, India and their implications Mineralogical Magazine, 57 (1). pp. 113-120. ISSN 0026-461X

Dasgupta, Somnath ; Roy, Supriya ; Fukuoka, Masato (1992) Depositional models for manganese oxide and carbonate deposits of the Precambrian Sausar Group, India Economic Geology, 87 (5). pp. 1412-1418. ISSN 0361-0128

Delian, Fan ; Dasgupta, Somnath ; Bolton, Barrie R. ; Hariya, Yu ; Momoi, H. ; Miura, H. ; Jiaju, Li ; Roy, Supriya (1992) Mineralogy and geochemistry of the Proterozoic Wafangzi ferromanganese deposit, China Economic Geology, 87 (5). pp. 1430-1440. ISSN 0361-0128

Dasgupta, Somnath ; Chakraborti, Sanjib ; Sengupta, Pulak ; Bhattacharya, P. K. ; Banerjee, H. ; Roy, Supriya ; Fukuoka, M. (1991) Manganese-rich minerals of the pumpellyite group from the Precambrian Sausar Group, India American Mineralogist, 76 (1-2). pp. 241-245. ISSN 0003-004X

Dasgupta, Somnath ; Sengupta, Pulak ; Pukuoka, M. ; Bhattacharya, P. K. (1991) Mafic granulites from the Eastern Ghats, India: further evidence for extremely high temperature crustal metamorphism The Journal of Geology, 99 (1). pp. 124-133. ISSN 0022-1376

Dasgupta, Somnath ; Sengupta, Pulak ; Guha, Dipayan ; Fukuoka, M. (1991) A refined garnet - biotite Fe-Mg exchange geothermometer and its application in amphibolites and granulites Contributions to Mineralogy and Petrology, 109 (1). pp. 130-137. ISSN 0010-7999

Roy, Supriya ; Dasgupta, Somnath ; Mukhopadhyay, Subir ; Fukuoka, Masato (1990) Atypical ferromanganese nodules from pelagic areas of the Central Indian Basin, equatorial Indian Ocean Marine Geology, 92 (3-4). pp. 269-283. ISSN 0025-3227

Dasgupta, Somnath ; Banerjee, H. ; Fukuoka, M. ; Bhattacharya, P. K. ; Roy, Supriya (1990) Petrogenesis of metemorphosed manganese deposits and the nature of the precursor sediments Ore Geology Reviews, 5 (4). pp. 359-384. ISSN 0169-1368

Dasgupta, Somnath ; Chaudhuri, Asru K. ; Fukuoka, Masato (1990) Compositional characteristics of glauconitic alterations of K-feldspar from India and their implications Journal of Sedimentary Research, 60 (2). pp. 277-281. ISSN 1527-1404

Sengupta, Pulak ; Dasgupta, Somnath ; Bhattacharya, P. K. ; Fukuoka, M. ; Chakraborti, Subrata ; Bhowmick, Santanu (1990) Petro-tectonic imprints in the sapphirine granulites from Anantagiri, Eastern Ghats mobile belt, India Journal of Petrology, 31 (5). pp. 971-996. ISSN 0022-3530

Dasgupta, Somnath ; Sengupta, Pulak ; Bhattacharya, P. K. ; Mukherjee, M. ; Fukuoka, M. ; Banerjee, H. ; Roy, Supriya (1989) Mineral reactions in manganese oxide rocks; P-T-X phase relations Economic Geology, 84 (2). pp. 434-443. ISSN 0361-0128

Dasgupta, Somnath ; Chakraborti, Sanjib ; Bhattacharya, P. K. ; Banerjee, H. ; Fukuoka, M. (1989) Compositional characteristics of kinoshitalite from the Sausar Group, India American Mineralogist, 74 (1-2). pp. 200-202. ISSN 0003-004X

Sengupta, Pulak ; Dasgupta, Somnath ; Bhattacharya, P. K. ; Hariya, Y. (1989) Mixing behavior in quaternary garnet solid solution and an extended Ellis and Green garnet-clinopyroxene geothermometer Contributions to Mineralogy and Petrology, 103 (2). pp. 223-227. ISSN 0010-7999

Dasgupta, Somnath ; Bhattacharya, P. K. ; Chattopadhyay, G. ; Banerjee, H. ; Majumdar, N. ; Fukuoka, M. ; Roy, Supriya (1988) Petrology of Mg-Mn amphibole-bearing assemblages in manganese silicate rocks of the Sausar Group, India Mineralogical Magazine, 52 (1). pp. 105-111. ISSN 0026-461X

Dasgupta, Somnath ; Bhattacharya, P. K. ; Banerjee, H. ; Fukuoka, M. ; Majumdar, N. ; Roy, Supriya (1987) Calderite-rich garnets from metamorphosed manganese silicate rocks of the Sausar Group, India, and their derivation Mineralogical Magazine, 51 . pp. 577-583. ISSN 0026-461X

Miura, Hiroyuki ; Banerjee, Himadri ; Hariya, Yu ; Dasgupta, Somnath ; Roy, Supriya (1987) Hollandite and cryptomelane in the manganese oxide deposits of the Sausar Group, India Mineralogical Journal, 13 (7). pp. 424-433. ISSN 0544-2540

Dasgupta, Somnath ; Bhattacharya, P. K. ; Chattopadhyay, G. ; Fukuoka, M. ; Banerjee, H. ; Roy, Supriya (1987) Genetic reinterpretation of crystallographic intergrowths of jacobsite and hausmannite from natural assemblages Mineralogy and Petrology, 37 (2). pp. 109-116. ISSN 0930-0708

Dasgupta, Somnath ; Bhattacharya, P. K. ; Chattopadhyay, G. ; Fukuoka, M. ; Banerjee, H. ; Roy, Supriya (1987) Genetic reinterpretation of crystallographicintergrowths of jacobsite and hausmannite from natural assemblages Mineralogy and Petrology, 37 (2). pp. 109-116. ISSN 0930-0708

Dasgupta, Somnath ; Banerjee, H. ; Fukuoka, M. (1985) Oxidation gradients in metamorphosed non-carbonatic manganese formations Contributions to Mineralogy and Petrology, 90 (2-3). pp. 258-261. ISSN 0010-7999

Bhattacharyya, P. K. ; Dasgupta, Somnath ; Fukuoka, M. ; Roy, Supriya (1984) Geochemistry of braunite and associated phases in metamorphosed non-calcareous manganese ores of India Contributions to Mineralogy and Petrology, 87 (1). pp. 65-71. ISSN 0010-7999

Dasgupta, Somnath ; Miura, Hiroyuki ; Hariya, Yu (1984) Stability of Mn-cummingtonite - an experimental study Mineralogical Journal, 12 (6). pp. 251-259. ISSN 0544-2540

Sarkar, S. C. ; Dasgupta, Somnath (1980) Geologic setting, genesis and transformation of sulfide deposits in the Northern part of Khetri copper belt, Rajasthan, India- an outline Mineralium Deposita, 15 (2). pp. 117-137. ISSN 0026-4598