Tomson-d-118x134

Dr. Tomson J Kallukalam Ph.D.

Scientist C, Crustal Processes (CrP)

Email : This email address is being protected from spambots. You need JavaScript enabled to view it., This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone(Off) : 0471-2511621

Phone(Res) :

Fax : 0471-2442280

  1. J.K. Tomson, Y.J. Bhaskar Rao, T. Vijaya Kumar and J. Mallikharjuna Rao (2006), Charnockite genesis across the Archaean – Proterozoic Terrane boundary in the South Indian Granulite Terrain: constraints from major-trace element geochemistry and Sr-Nd isotopic systematics, Gondwana Research, 10, pp-115-127.
  2. Y.J. Bhaskar Rao, T. Vijaya Kumar, K.V.S.S.Krishna, J.K.Tomson (2008),The emerging pattern of crust-formation and recycling history in the Precambrian Dharwar Craton and the Southern Granulite Terrain, southern India: Constraints from recent geochronological and isotopic results. Geol.Soc.India, 74, 147-168.
  3. J.K. Tomson, Y.J. Bhaskar Rao, T. Vijaya Kumar, A.K. Choudhary (2009) Widespread intracrustal melting and the generation of charnockites in the Neoproterozoic Maduarai Block, South India., Geochimica et Cosmochimica Acta, 73, A1339.
  4. T. Vijayakumar, Y.J.Bhaskar Rao, J.K. Tomson, A.K. Choudhary (2009), Role of deep crustal contamination in the genesis of Perinthatta anorthosite massif, South India. Geochimica et Cosmochimica Acta, 73, A1383.
  5. J.K. Tomson, Y.J. Bhaskar Rao, T. Vijaya Kumar, A.K. Choudhary (2008)  Geochemistry and Sr-Nd isotopic systematics of Archaean and Neoproterozoic charnockites from the Southern Granulite Terrain, South India: Magma genesis and tectonics.  Geochimica et Cosmochimica Acta, 72, 2S-A951
  6. Vijayakumar, Y.J.Bhaskar Rao, J.K. Tomson, A.K. Choudhary (2008), A Mesoproterozoic Sm-Nd age for the Oddanchatram anorthosite massif, South India: Evidence for ancient crustal contamination and significance to the regional terrane assembly. Geochimica et Cosmochimica Acta, 72, 2S- A984.

In proceedings:

  1. Y.J. Bhaskar Rao, B.Vijaya Gopal, EVSSK Babu, N.P.Sukumaran, T.Vijaya Kumar, KVSS Krishna, J.K.Tomson (2009), NGRI LAM-MC-ICPMS National Facility: Reproducibility of Sr, Nd and Hf isotopic measurementsIn Proceedings of 11th ISMAS-TRICON-2009, Hyderabad, pp.52-57.
  2. N.P.Sukumaran, T.Vijaya Kumar, J.K.Tomson, KVSS Krishna, B.Vijaya Gopal, Y.J. Bhaskar Rao, EVSSK Babu (2009),Sr, Nd, Hf and Pb isotopic characterization of the USGS BCR-2 Standard: Results from the NGRI MC-ICPMS Facility. In Proceedings of 11th ISMAS-TRICON-2009, Hyderabad, pp.518-521.
  3. Y.J. Bhaskar Rao, B.Vijaya Gopal, EVSSK Babu, N.P.Sukumaran, T.Vijaya Kumar, J.K.Tomson, KVSS Krishna (2009) The LAM-MC-ICPMS National Facility at the National Geophysical Research Institute (NGRI), Council of Scientific and Industrial Research, Hyderabad. DST News Letter, August 2009, pp.11-13.
  4. Y.J.Bhaskar Rao, T. Vijayakumar, J.K. Tomson, A.M.Dayal (2004), Sm-Nd and Rb-Sr ages and isotopic constraints on Precambrian terrain assembly aroundCauvery shear zone system, Southern Granulite Terrain, South India. In Proceedings of the International Workshop on Tectonics and Evolution of the Precambrian Southern Granulite Terrain, India and Gondwanian correlations, Feb.18-25, NGRI, Hyderabad.