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Somnath Dasgupta

PhD:
Geology (Jadavpur,1979) FNA, FNASc, FASc, FTWAS
Area of Interest:
Geochemistry, Petrology
Email ID:
somnath
Research Interest:

Petrology & Geochemistry

Academic Qualification:
  • Ph.D. (Science), Jadavpur University, 1979
  • M.Sc. (Applied Geology), Jadavpur University, 1974
  • B.Sc.(Honours in Geological Sciences), Jadavpur University, 1971
  • Positions:
  • Geologist, Geological Survey of India, (1978-1981)
  • Lecturer in Geology, Jadavpur University, (1981-1986)
  • Senior Lecturer in Geology, Jadavpur University, (1986-1990)
  • Reader in Geology, Jadavpur University, (1990-1997)
  • Professor in Geology ,Jadavpur University, (1997-2007)
  • Professor, Indian Institute of Science Education and Research (IISER), Kolkata (2007 - )
  • Awards and Honors:

    Fellowship

  • Elected Fellow, Indian Academy of Sciences, Bangalore
  • Elected Fellow, Indian National Science Academy, New Delhi
  • Elected Fellow, The National Academy of Sciences, Allahabad
  • Fellow, West Bengal Academy of Science & Technology
  • Elected Fellow, The Academy of Sciences for the Developing World, (TWAS), Trieste, Italy
  • Professional Honours

  • Recipient of N.N. Chatterjee Medal from the Asiatic Society, Calcutta (1979)
  • Recipient of Career Award by the University Grants Commission(1988)
  • Recipient of Krishnan Medal from the Indian Geophysical Union (1989)
  • Recipient of National Mineral Award from the Government of India, (1996)
  • Recipient of Fellowship from the Alexander von Humboldt Foundation (1991-92, 1997, 2006)
  • Awarded Mercator Guest Professorship by the German Research Foundation (2002-03)
  • Recipient of J.C. Bose Fellowship from the Department of Science & Technology, Government of India (2007)
  • Awarded Visiting Professorship by Hokkaido University (2007)
  • List of Publications:
  • Sedimentary structures in the Precambrian Delhi Supergroup rocks and their significance. Indian Journal of Earth Sciences, 5, 177 (1978).
  • A study of the preexistent ores at the intrusive contact and the origin of the late hydrothermal veins at the Madan Kudan and Kolihan mines, Khetri copper belt, Rajasthan, India (with S.C. Sarkar), Neues Jahrbuch fur Mineralogie abh, 143, 102 (1980).
  • Geologic setting, genesis, and transformation of sulfide deposits in the northern part of the Khetri copper belt, Rajasthan, India (with S.C. Sarkar), Mineralium Deposita, 15, 117 (1980).
  • Evolution of massive granites in the Khetri copper belt, Rajasthan : implications in regional correlation, (with P.K. Bhattacharya) . Indian Journal of Earth Sciences, 8, 44 (1981).
  • Evolution of the lesser Himalayan Matapelites of the Sikkim-Darjeeling region, India and some related problems (with H. Banerjee, S.C. Sarkar, and P.K. Bhattacharya), Neues Jahrbuch fur Mineralogie Abh, 145, 197 (1983).
  • Hematite-pyrophanite intergrowth in gondites, Chilka area, Sausar Group (with M. Fukuoka and S. Roy), India. Mineralogical Magazine, 48, 558 (1984).
  • Contrasting trends of mineral reactions during progressive metamorphism in interbanded pelite-manganese oxide sequence - example from Precambrian Sausar Group, India (with H. Banerjee and N. Majumdar), Neues Jahrbuch fur Mineralogie Abh, 150, 95 (1984).
  • Geochemistry of braunite and associated Phases in metamorphosed non-calcareous manganese ores of India (with
    P.K. Bhattacharya, M. Fukuoka and S. Roy), Contributions to Mineralogy and Petrology, 87, 65 (1984).
  • Oxidation gradients in metamorphosed non-calcareous manganese ores (with H. Banerjee and M. Fukuoka), Contributions to Mineralogy and Petrology, 90, 258 (1985).
  • Stability of Mn-cummingtonite - an experimental study (with H. Miura and Y. Hariya), Mineralogical Journal, 12, 251 (1985).
  • Petrology of Mn silicate-carbonate-oxide rock of Sausar Group, India (with S. Roy, P.K. Bhattacharya, M. Fukuoka, H. Banerjee, and N. Majumdar), Neues Jahrbuch fur Mineralogie Abh, 12, 561 (1986).
  • Stability of braunite and associated phases in parts of the system Mn-Fe-Si-O (with H. Banejee, H. Miura, and Y. Hariya), Mining Geology, 36, 351 (1986).
  • Calderite-rich garnets from metamorphosed manganese silicate rocks of Sausar Group, India, and their derivation (with P.K. Bhattacharya, N. Majumdar, M. Fukuoka, H. Banerjee, and S. Roy), Mineralogical Magazine, 51, 577 (1987).
  • Genetic reinterpretation of crystallographic intergrowth of jacobsite and hausmannite from natural assemblages (with P.K. Bhattacharya, G. Chattopadhyay, M. Fukuoka, H. Banerjee, and S. Roy), Mineralogy and Petrology, 37, 109 (1987).
  • Hollandite and cryptomelane in the manganese oxide deposits of the Sausar Group, India (with H. Banerjee, H. Miura, Y. Hariya, and S. Roy), Mineralogical Journal, 13, 424 (1987).
  • Petrology of Mg-Mn amphibole bearing assemblages in manganese silicate rocks of the Sausar Group, India (with G. Chattopadhyay, P.K. Bhattacharya, M. Fukuoka, H. Banerjee, N. Majumdar, and S. Roy), Mineralogical Magazine, 52, 105 (1988).
  • Petrology of jacobsite bearing assemblages from Sausar Group, India (with P.K. Bhattacharya, G. Chattopadhyay, H. Banerjee, M. Fukuoka, and S. Roy), Neues Jahrbuch fur Mineralogie Abh, 159, 101 (1988).
  • Distribution and character of micronodules in pelagic sediments from Central Indian Basin, Indian ocean and their implications (with S. Mukhopadhyay and S. Roy), Marine Mining, 7, 351 (1988).
  • Compositional characteristics of  kinoshitalite from the Sausar Group , India (with S. Chakraborti, P. Sengupta, P.K. Bhattacharya, H. Banerjee, M. Fukuoka, and S. Roy), American Mineralogist , 74 , 200 (1989).
  • Mineral reactions in manganese oxide rocks: P - T - X phase relations (with P. Sengupta, P.K. Bhattacharya, M. Fukuoka, H. Banerjee, M. Mukherjee, and S. Roy), Economic Geology, 84 , 434 (1989).
  • Stratigraphy of the Penganga Group around Adilabad, Andhra Pradesh (with A.K. Chaudhuri, G. Bandyopadhyay, S. Sarkar, P.C. Bandyopadhyay, and K. Gopalan), Journal of the Geological Society of India, 34, 291 (1989).
  • Mixing behavior in quaternary garnet solid solution and an extended Ellis and Green garnet - clinopyroxene geothermometer (with P. Sengupta, P.K. Bhattacharya, and Y. Hariya), Contributions to Mineralogy and Petrology, 103, 223 (1989).
  • Ca -Ba -Sr carbonates from metamorphosed manganese deposits of the Sausar Group , India and their petrologic significance (with S. Chakraborti, P. Sengupta,M. Fukuoka, and S. Roy), Mineralogical Magazine, 54, 511 (1990).
  • Compositional characteristics of glauconitic alterations of K-feldspar from India and their implications (with A.K. Chaudhuri and M. Fukuoka), Journal of Sedimentary Petrology, 60, 277 (1990).
  • An orthopyroxene-biotite geothermometer and its applications in crustal granulites and mantle- derived rocks (with P. Sengupta, P.K. Bhattacharya, and M. Mukherjee), Journal of Metamorphic Geology, 8, 191 (1990).
  • A typical ferromanganese nodules from pelagic areas of Central Indian Basin, equatorial Indian Ocean (with S. Roy, M. Fukuoka, and S. Mukhopadhyay), Marine Geology, 92, 269 (1990).
  • Petrotectonic imprints in the sapphirine granulites from Anantagiri, Eastern Ghats mobile belt, India (with P. Sengupta, P.K. Bhattacharya, M. Fukuoka, S. Chakraborti, and S. Bhowmick), Journal of Petrology, 31, 971 (1990).
  • Mafic granulites from  the   Eastern Ghats, India - further evidence for extremely high temperature crustal metamorphism (with P. Sengupta, M. Fukuoka, and P.K. Bhattacharya), Journal of Geology, 99, 124 (1991).
  • Manganese rich minerals of the  pumpellyite group from the Precambrian Sausar Group, India (with S. Chakraborti, P. Sengupta, M. Fukuoka, P.K. Bhattacharya, H. Banerjee, and S. Roy), American Mineralogist, 76, 241 (1991).
  • Petrology of spinel granulites from Araku, Eastern Ghats, India, and a petrogenetic grid for sapphirine-free rocks in the system FMAS (with P. Sengupta, S. Karmakar, and M. Fukuoka), Journal of Metamorphic Geology, 9, 451 (1991).
  • A refined garnet-biotite Fe-Mg exchange geothermometer and its application in granulites and amphibolites (with P. Sengupta, D. Guha, and M. Fukuoka), Contributions to Mineralogy and Petrology, 109, 130 (1991).
  • Mineralogy and geochemistry of the Protorozoic Wafangzi deposits, China (with F. Delian, B.R. Bolton, Y. Hariya, H. Momoi, H. Miura, L. Jiaju, and S. Roy), Economic Geology, 87, 1430 (1992).
  • Depositional models for manganese oxide and carbonate deposits of the Precambrian Sausar Group, India (with S. Roy and M. Fukuoka), Economic Geology, 87, 1412 (1992).
  • Manganese deposition in the Proterozoic - the global perspective and the Indian scenario (with H. Banerjee and G. Bandyopadhyay), In : Sarkar S.C.(ed) Metallogeny related to the tectonics of the Proterozoic mobile belts. Oxford - IBH Publishing Co. New Delhi. 163 (1992).
  • Dehydration melting, fluid buffering and decompressional P - T path in a granulite complex from the Eastern Ghats, India (with P. Sengupta, M. Fukuoka, and S. Chakraborti), Journal of Metamorphic Geology, 10, 777 (1992).
  • Mineral chemistry and reaction textures in metabasites from the Eastern Ghats belt, India, and their implications (with P. Sengupta, A. Mondal, and M. Fukuoka), Mineralogical Magazine, 57, 113 (1993).
  • Contrasting parageneses in high temperature calc- silicate granulites: example from the Eastern Ghats, India, Journal of Metamorphic Geology, 11, 193 (1993).
  • Reaction texture in a spinel-sapphirine granulite from the Eastern Ghats, India and their implications (with J. Ehl), European Journal of Mineralogy, 5, 537 (1993).
  • Contrasting parageneses in the manganese silicate-carbonate rocks from Parseoni, Sausar Group, India and their interpretation (with P. Sengupta, M. Fukuoka, and S. Roy), Contributions to Mineralogy and Petrology, 114, 533 (1993).
  • Compositional limits of manganese carbonates and silicates in granulite facies metamorphosed deposits of Garbham, Eastern Ghats, India (with Y. Hariya, and H. Miura), Journal of Resource Geology (Japan), 17, 43 (1993).
  • Petrology of granulites from Anakapalle - evidence for Proterozoic decompression in the Eastern Ghats, India (with S. Sanyal, P. Sengupta, and M. Fukuoka), Journal of Petrology, 35, 433 (1994).
  • Proterozoic glauconitic peloids from South India : A study of their origin and significance (with A. Chaudhuri and S.K. Chanda), Journal of Sedimentary Research, A64, 765 (1994).
  • Pressure-temperature evolutionary history of the Eastern Ghats granulite province : Recent advances and some thoughts. Memoir of the Geological Society of India No.34, 101 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 (with P. Sengupta, J. Ehl, M. Raith, and S. Bardhan), Journal of Petrology  36, 435 (1995).
  • Extremely high temperature calc silicate  granulites from the Eastern Ghats Belt, India : Evidence for isobaric cooling, fluid buffering and terminal  channelized fluid flow (with S. Bhowmik, S. Hoernes, and P.K. Bhattacharya), European Journal of  Mineralogy, 7, 689 (1995).
  • Ultrametamorphism in Precambrian granulite terrains-evidence from Mg-Al granulites and calc-silicate granulites of the Eastern Ghats, India (with P. Sengupta), Geological Journal, 30, 307 (1995).
  • Magmatic evolution of mafic granulites from Anakapalle, Eastern Ghats, India : Implications for tectonic setting of a Precambrian high grade terrain (with P. Sengupta, U.K. Bhui, J. Ehl, and M. Fukuoka), Journal of Southeast Asian Earth Sciences (Pergamon, U.K.), Special Issue on Precambrian India within East Gondwana, M. Yoshida, M. Santosh & M. Arima (Eds), 14, 185 (1996).
  • P-T-X relationships during metamorphism of manganese-rich sediments: Present status and future studies. Geological Society of London Special Publications, K. Nicholson, J.R. Hein, B. Buhn & S. Dasgupta (Eds). 119, 327 (1997).
  • Controls of metamorphic reactions in calc-silicate granulites : evidence from Anakapalle, Eastern Ghats, India (with P. Sengupta, S. Sanyal, J. Ehl, M. Fukuoka, and S. Pal), Journal of Metamorphic Geology, 15, 551 (1997).
  • Pressure-temperature-fluid evolutionary history of the Sand Mata granulite complex, Rajasthan, India (with D. Guha, P. Sengupta, and J. Ehl), Precambrian Research, 83, 267 (1997).
  • Deep crustal contact metamorphism around the Chimakurthy mafic-ultramafic Complex, Eastern Ghats Belt, India (with J. Ehl, M.M. Raith, P. Sengupta, and P. Sengupta), Contributions to Mineralogy and Petrology, 129, 182 (1997).
  • High P-T polymetamorphism, dehydration melting, generation of migmatites and granites in the Higher Himalayan Crystalline Sequence, Sikkim, India (with S. Neogi and M. Fukuoka), Journal of Petrology, 39, 61 (1998).
  • Reworking of an isobarically cooled deep continental crust : evidence of decompressive P-T trajectory from the Eastern Ghats belt, India (with P. Sengupta), Indian Journal of Geology, 70, 133 (1998).
  • Evdence of superposed metamorphism from the Gokavaram area, Eastern Ghats belt,, and its relation with the Kemp Land Coast, East Antarctica (with P. Sengupta, S. Pal, and M. Fukuoka), Gondwana Research, 2, 227 (1999).
  • Petrogenesis of ferromanganese nodules from east of the Chagos Archipelago, Central Indian Basin, Indian Ocean (with R. Banerjee, S. Roy, S. Mukhopadhyay, and H. Miura), Marine Geology, 157, 145 (1999).
  • Ultra-high temperature metamorphism of meta-pelitic granulites from Kondapalle, Eastern Ghats Belt: Implications for the Indo-Antarctic correlation (with P. Sengupta, J. Sen, M.M. Raith, U.K. Bhui, and J. Ehl), Journal of Petrology, 40, 1065 (1999).
  • Petrology of gedrite-bearing rocks from the Eastern Ghats belt, India : Evidence for reworking along mid-crustal ductile shear zones (with P. Sengupta, P. Sengupta, J. Ehl, and M.M. Raith), Journal of Metamorphic Geology, 17, 765 (1999).
  • Ultrahigh temperature decompression in a suite of  granulites from the Eastern Ghats Belt - Bastar Craton contact, and its significance (with S. Neogi, P. Sengupta, and N. Das), Memoir Gondwana Research Group, eds. D. Rao & A.T. Rao, No. 5, 115 (1999).
  • Evolution of high Mg-Al granulites from Sunkarametta, Eastern Ghats: evidence for lower crustal heating-cooling trajectory (with S. Bose, M. Fukuoka, and P. Sengupta), Journal of Metamorphic Geology, 18, 223 (2000).
  • Exhumation history of a section of the Sikkim Himalayas, India : records in the metamorphic mineral equilibria and compositional zoning of garnet (with J. Ganguly, W. Cheng, and S. Neogi), Earth and Planetary Science Letters, 183, 471 (2000).
  • Tectonothermal evolution of the Eastern Ghats granulite Belt, India: A metamorphic perspective (with P. Sengupta), Geological Survey of India Special Publication No. 55, 259 (2000).
  • Polymetamorphism in the schirmacher hills granulites, east Antarctica : implications for tectonothermal reworking of an isobarically cooled deep continental crust (with S. Sengupta, S. Bose, M. Fukuoka, and S. Dasgupta), Gondwana Research, 4, 337 (2001).
  • Multistage reaction textures in xenolithic high-MgAl granulites at Anakapalle, Eastern Ghats belt, india : examples of contact polymetamorphism and infiltration-driven metasomatism (with K.  Rickers and M. Raith), Journal of Metamorphic Geology, 19, 563 (2001).
  • Stability of osumilite coexisting with spinel solid solution in metapelitic granulites at high oxygen fugacity (with K. Das and H. Miura), American Mineralogist , 86, 1423 (2001).
  • Controls of evolution of mineral assemblages in ultrahigh temperature metamorphosed Mn carbonate-silicate rocks from the Eastern Ghats belt, Idia (with S.  Mukhopadhyay, S. Roy, and M. Fukuoka), European Journal of Mineralogy, 14, 73 (2002).
  • Ultrahigh temperature metamorphism in the Eastern Ghats Belt, India: evidence from high Mg-Al granulites (with P. Sengupta),. Proceedings Indian National Science Academy, 68 A, 21 (2002).
  • Very high density CO2 associated with ultrahigh temperature granulites from the Eastern Ghats Belt, India (with S.  Sarkar, M. Santosh, and M. Fukuoka), GEOLOGY, 31, 1, 51- (2003).
  • Indo-Antarctic correlation: A metamorphic perspective from the Eastern Ghats Belt, India (with P. Sengupta), Geological Society of London Special Publication, No. 206, 131 (2003).
  • An experimentally constrained petrogenetic grid in the silica-saturated portion of the system KFMASH at high temperatures and pressures (with K. Das, and H. Miura), Journal of Petrology, 44, 1055 (2003).
  • Petrological Evolution of a Suite of Spinel Granulites from Vizianagram, Eastern Ghats Belt, India, and Genesis  of Sapphirine – bearing Assemblages (with S. Sarkar, and M. Fukuoka), Journal of Metamorphic Geology, 21, 899 (2003).
  • Inverted metamorphic sequence in the Sikkim Himalayas: Crystallization history, P-T gradient, and implications (with J. Ganguly and S. Neogi) Journal of Metamorphic Geology, 22, 395 (2004).
  • Tectonometamorphic Evolution of Boudin-type Granulites in the Central Indian Tectonic Zone and Northwestern India: A Synthesis and Future Perspectives (with S.K. Bhowmik), Geological Survey of India, Special Publications, 84, 227 (2004).
  • Origin of Grandite Garnet in Calc - Silicate Granulites: Mineral-Fluid Equilibria and Petrogenetic Grids (with S. Pal), Journal of Petrology, 46, 1045 (2005).
  • Generation of migmatites and the nature of partial melting in a continental collision zone setting: An example from the Sikkim Himalaya (with S. Chakraborty and S. Neogi), Indian Journal of Geology, 75, 38 (2005).
  • Garnet-spinel intergrowth in ultrahigh-temperature granulite, Eastern Ghats, India: Possible evidence of an early Tschermak-rich orthopyroxene during prograde metamorphism (with K. Das, S. Bose, and I. Ohnishi), American Mineralogist, 91, 375 (2006).
  • Exsolution textures in orthopyroxene in aluminous granulites as indicators of UHT metamorphism: new evidence from the Eastern Ghats belt, India (with S. Bose, K. Das, H. Miura, and M. Fukuoka), Lithos, 92,506 (2006).
  • Nucleation kinetics controlled by chemical overstepping and its tectonic implication: An example from the Sikkim Himalaya. (With S. Chakraborty, S.Neogi). European Journal of Mineralogy,.19, 791, (2007).
  • 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, India. (With P. Sengupta, M.M. Raith , N.R. Datta). Precambrian Research, 162, 40, (2008).
  • Contrasting episodes of regional granulite facies metamorphism in enclaves and host gneisses from the Aravalli-Delhi Mobile Belt, NW India. (With S.K. Bhowmik, L. Saha , M.Fukuoka). Journal of Petrology, 49, 107,(2008).
  • Petrology of an inverted Barrovian sequence of metapelites in Sikkim Himalaya: Constraints on the tectonics of inversion. (With S. Chakraborty, S.Neogi) American Journal of Science, 309, 43, (2009).
  • Modeling of metamorphic textures with c space: evidence of Pan-African high grade reworking in the Eastern Ghats belt, India.(With P. Sengupta) In Physics & Chemistry of the Earth’s Interior,29,  Indian National Science Academy-Springer Verlag, (2009).
  • Metamorphic phase relations in orthopyroxene-bearing granitoids: Implication for high-pressure metamorphism and prograde melting in the continental crust.(With S.K. Bhowmik,L. Saha M. Fukuoka). Journal of Metamorphic Geology,27,695, (2009).
  • Characterization of oxide assemblages of a suite of granulites from the Eastern Ghata Belt, India: implication to the evolution of C-O-H-F fluid during retrogression.(With S. Bose, K. Das, S. Karmakar, J.Torimoto, I. Ohnishi, K. Shinoda) Lithos, 113, 483, (2009).
  • Petrology of a non-classical Barrovian inverted metamorphic sequence  from the western Arunachal Himalaya, india. (With S.Goswami, S.K. Bhowmik).Journal of Asian Earth Sciences, 36, 390, (2009).
  • Karmakar, S., Bose, S., Das, K. and Dasgupta, S. (2009).   Proterozoic Eastern Ghats Belt, India – a witness of multiple orogenies and its lineage with ancient supercontinents.(With S.Karmakar,S.Bose,K.Das) In: (Eds.) Talat Ahmad, Francis Hirsch, and Punya Charusiri, Geological Anatomy of India and the Middle East, Journal of the Virtual Explorer, Electronic Edition, ISSN 1441-8142, volume 32, paper 3 (2009).
  • Grenvillian age high pressure upper amphibolite-granulite metamorphism in the Aravalii-Delhi mobile belt, northwestern India: New evidence from monazite chemical age and its implication.(With S.K. Bhowmik, H-J.Bernhardt) Precambrian Research, 178, 168-184, (2010).
  • 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. (With K.Das, S.Bose,S.Karmakar, D.J. Dunkley)Geological Journal, (In press).