National Centre for Earth Science Studies

Projects as PI in Last Ten years (2000 onwards):

1. Metasedimentary rocks of the Kerala khondalite belt, southern India: petrology and geodynamics of their formation, December 2006 to March 2010, Department of Science and Technology, New Delhi
2. Lithology and tectono-metamorphic evolution of the Kerala Khondalite belt, southern India, May 2000 to May 2003, International Division, Department of Science and Technology, Govt. of India and German Academic Exchange (DAAD, Germany)
3. Evolution of Kodaikanal-Cardamom Hills charnockite massif, southern India, March 1999 to Feb 2003, Department of Science and Technology, New Delhi
4. Evolution of supracrustal rocks and associated gneisses of Wynad Schist belt, Kerala, June 2003 to June 2006, CESS and CSIR fellowship to doctoral student
5. Heavy mineral chemistry in different source rocks and coastal sediments of SW coast of India: understanding the provenance and processes in Placer deposit formation. March 2012 to February 2015, Ministry of Earth Sciences, Govt. of India. New Delhi.

Education:

Professional career:

Honours/Awards/Fellowships :

1. Prof. M.R. Sreenivasa Rao Award 2006 from the Geological Society of India for outstanding contributions in Petrology.
2. TN Muthuswamy Endowment Lecture, Geol.Soc. India (2005)
3. DST-DAAD International PPP project recipient (2000-2003)
4. Senior Visiting Fellowship of the German Academic Exchange (DAAD, 1996)
5. Research Associateship of the University of Chicago (1986)
6. Member, Programme Advisory Committee (PAC-ES) of DST (Govt. of India) – (2012-2015)
7. National Award in Geoscience & Technology 2015 by the Ministry of Earth Sciences, Government of India.

Scientific Memberships:

1. Member, Programme Advisory Committee of DST in Earth Sciences (2013-2015).
2. Member, Monitoring Committee of CSIR Network Projects (2004-2007).
3. Council Member, Mineralogical Society of India.
4. Life Fellow of the Geological Society of India (Since 1979).
5. Fellow of the Geological Society of America.
6. Fellow of the American Geophysical Union.
7. Life Fellow of the Mineralogical Society of India (Since 1980).
8. Member of Asia Oceania Geosciences Society (AOGS).

Publications:

1. Radhakrishna, T., Mathew Joseph, Krishnendu, N.R and Balasubramonian, G. 2003.
   Paleomagnetism of mafic dykes in the Karnataka Craton: Posible geodynamic
   implications. Mem. Geol. Soc. India no. 50, 193-224
2. Radhakrishna, T. (2003) Modelling of lithospheric evolution using geophysical methods:
   The evidence from Palaeomagnetic studies. In: Indian Continental Lithosphere. Mem.
   Geol. Soc. India. No. 53,274-278
3. Radhakrishna,T. ; Divakara Rao,V. & Krishna Rao,J.S.R.(1982). Occurrence and significance of awaruite in the Dras ultramafics,Kashmir Himalaya, India. Mineralogical Magazine, 46 : 405-484.
4. Radhakrishna,T. & Divakara Rao,V.(1983). Geochemical Implication for the alteration of the volcanics from the Dras Ophiolites in Indus suture zone, Kashmir Himalaya India. Bulletin of Volcanology, 45 : 203-212.
5. Radhakrishna,T.(1984). Geochemistry and petrogenesis of basic dykes of Agali area, Palghat district, Kerala. A reply to the discussion by S. Viswanathan. JL. of the Geological Society of India, 25: 471-473.
6. Radhakrishna,T. ; Divakara Rao,V. & Murali, A.V.(1984). Geochemistry of Dras Volcanics and evolution of the Indus suture ophiolites. Tectonophysics, 108 :135-153.
7. Radhakrishna,T.(1985). International Conference on mafic dyke swarms(Toronto, Canada, 1985) a review. JL. of the Geological Society of India, 26: 887-890.
8. Radhakrishna,T.(1986). Proterozoic basic dykes activity in Kerala along the Western Continental Margin of India. JL. of the Geological Society of India, 27 (3): 245-253.
9. Radhakrishna,T. ; Gopakumar,K. ; Murali, A.V. & Mitchell, J.G.(1991). Geochemistry and petrogenesis of proterozoic mafic dyke intrusion in north Kerala : southwest Indian shield – preliminary results. Precambrrian Research, 49 : 235-244.
10. Radhakrishna,T. ; Panchanathan, P. V. & Mathew Joseph(1993). Mafic dyke intrusions in relation to flood volcanism in western India and the ocean floor formation in the Arabian sea. In SERC highlights, Department of Science and Technology, New Delhi : 17-19.
11. Radhakrishna,T.& Mathew Joseph (1993). Proterozoic palaeomagnetism of South Indian shield and tectonic constrains. In: Deep Continental Crust of India (ed.M. Ramakrishna). Geological Society of India Mem., 25 :321-336.
12. Radhakrishna,T. ; Panchanathan, P.V. & Mathew Joseph(1993). Mafic dyke intrusion in relation to flood volcanism in western India and the ocean floor formation in the Arabian sea. SERC Research Highlights, Department of Science and Technology, Government of India, 16-18.
13. Radhakrishna,T.& Ramakrishnan, M.(1993). Udupi – Kavali geotransect and the geotectonics of south India. Global Geoscience Transect-11. Co-published by the Inter-Union Commission on the Lithosphere and the Geological Society of India :17 (Also reprinted in Deep continental Crust of India (ed: M. Ramakrishnan), Geological Society of India Mem., 25 :44-61).
14. Radhakrishna,T. & Ramakrishnan, M.(1993). Global Geoscience Transect across south India. In: Deep continental studies in India. News letter, Department of Science and Technology, Government of India, 3: 9-10.
15. Radhakrishna,T. ; Dallmeyer, R. D. & Mathew Joseph (1994). Paleomagnetism and 36 Ar/ 40 Ar vs 39 Ar/ 40 Ar isotope correlation ages of dyke swarms in central Kerala, India: tectonic implications significance. Earth Planet Science Letters, 121: 213 -226.
16. Radhakrishna,T.& Joseph,M.(1995). Oxygen isotopes and mantle sources of the mafic dykes in South Indian high grade terrain. Geological Society of India Memoir, 33 : 133-147.
17. Radhakrishna,T. & Joseph,M. (1995). Evolution of Archean south Indian Lithospheric mantle a geochemical study of Prpterozoic Agali- Coimbatore dykes. Contribution to Minerology And petrology, 121 : 351-363.
18. Radhakrishna,T. & Mathew Joseph(1996). Proterozoic plaeomagnetism of the mafic dyke swarms in the high grade region of south India. Precambrian Research :31-46.
19. Radhakrishna,T. & Mathew Joseph(1996). Neoproterozoic supercontinent-Rodinia: paleomagnetic inference from Harohalli alkaline dykes in south India. Proceedings of 30th International Geological Congress, Beijing, China, 1 :496.
20. Radhakrishna,T. ; Maluski, H. ; Mitchell, J.G. & Joseph, M.(1996). K-Ar and 40Ar/39Ar geochronology of the dykes from south Indian granulite terrain. Tectonophysics , 304 : 109-129.
21. Radhakrishna,T. & Mathew Joseph(1996). Late Precambrian (~850-800 Ma) palaeomagnetic pole of south Indian shield from the Harohalli alkaline dykes; geotectonic implications for the Gondwana reconstructions. Precambrian Research, 80 : 77-87.
22. Radhakrishna,T. & Mathew Joseph (1998). Geochemistry and petrogenesis of the Proterozoic dykes in Tamilnadu, south India: Another example of the Archaean Lithospheric mantle source. Geologische Rundschau, 87 : 268-282.
23. Radhakrishna,T..(1999). Deccan related magmatism in South Indian Shield with special reference to mafic dykes. Extended abstract in the Proceedings of the Symposium on “Deccan trap basalts and the K/T boundary”. Physical Research Laboratary, Ahmedabad : 21-22.
24. Radhakrishna,T.(1999). Dyke swarms in Southern India: nature of mantle sources and Neoproterozoic supercontinent assembly. In deep continental studies in India – News Letter, Dept. of Science and Technology, New Delhi,9(2): 16-20.
25. Radhakrishna,T.(1999). Indian shield in the Rodinia and Gondwana reconstructions: palaeomagnetic and geochronological inferences Geological Society of India Memoir, 44 : 59-74
26. Idnurm, M. & Radhakrishna,T.(1999). Australian and Indian Proterozoic APWPs and the time of amalgamation of India and Ausralia. JL. geological society of India Memoir, 44 : 33-44.
27. Sinharoy, S. & Radhakrishna,T.(1982). Geochemistry of the ultramafic and mafic complex of Agali, Kerala and its implications for Archaean greenstones of South India. Neues. Jah. Miner Abh., 143 : 309-330.
28. Sinharoy, S. & Radhakrishna,T.(1983). Geochemistry and petrogenesis of basic dykes of Agali area, Palghat DT, Kerala. JL. Geological Society of India, 24 : 628-638.

Ongoing projects as PI:

Paleointensity and reunion/Marion plume activity in India
Sponsored by IFCAR (2006-2010)

Education:

Research interest:

Geochemistry of Proterozoic/Phanerozoic mafic igneous rocks, plume lithosphere interactions, reconstruction of APWP of India and the supercontinent assembly. He is currently the Head of the Geosciences Division.

Honours and Awards:

1. INSA Young Scientist Award 1985
2. BOYSCAST Fellow 1990-91
3. Fellow of European Communities, CEC Fellowship
4. Fellow of Indian Academy of Science 2000
5. National Mineral Award 2001
6. INSA-Royal Society Fellowship 2002
7. Member of PAC-DST (ESS) and the National Committee of INSA for the Inter-Union Commission on Lithosphere
8. Visiting fellow (2001)  Geomagnetism Laboratory, Liverpool, UK.
9. Editorial board member of the Journal of the Geological Society of India and
10. Editorial board member of the Indian Association of Geochemists
11. Indian working group member of the UNESCO-IGCP-257 and 339
12. Corresponding member of the cc6 of ICL