University of Delhi
Faculty Member Profile


Prof. Talat Ahmad

     Chattra Marg,
Delhi – 11 00 07

Educational Qualifications

Ph. D

Ph. D., (Petrology & Geochemistry) ( Thesis topic: Geochemistry of Basal Aravalli Mafic metavolcanics of Nathdwara, Rajasthan), J. N.U. New Delhi


M. Phil

M. Phil. (Geochemistry), J. N. U. New Delhi



M.Sc., Geology, A. M. U. Aligarh


Career Profile

1984 - 2003: Scientist, Wadia Institute of Himalayan Geology, Under DST, Dehradun.

1997 - 1998: Post-Docroral Fellow, University of Cambridge, U.K.

1988 - 1989: Post-Doctoral Fellow, University of Leicester, U.K.

Areas of Specialization / Interest

Hard rocks geochemistry and petrology.

Precambrian rocks from the Himalayas and the northwestern and Central Indian Shield and the Post Cambrian sequences of Ladakh Arc in the Trans-Himalayan terrain.

Subjects Taught

M. Sc pervious and final year

Igneous Petrology and geochemistry.

Publications Profile

Research papers published in Refereed/Peer Reviewed Journals

Chambers, J, M Caddick, T Argles, M Horstwood, S Sarah Sherlock, N Harris, R Parrish and T Ahmad, T. 2010. Empirical constraints on extrusion mechanisms from the upper margin of an exhumed high-grade orogenic core, Sutlej Valley, NW India. Tectonophysics. Doi: 10.1016/j.tecto.2008.
Ahmad, T, K C Longjam, B Fouzdar, M J Bickle and H J Chapman. 2009. Petrogenesis and tectonic setting of bimodal volcanism in the Sakoli Mobile Belt, Central Indian Shield. Island Arc. 18: 155-174.
Srivastava, R K and T Ahmad. 2009. Precambrian mafic magmatism in the Indian shield: Retrospect and prospect. Jour. Geol. Soc. India. 73: 7-11.
Thanh, N X, T Itaya, T Ahmad, S Kojima, T Ohtani and M Ehiro. 2009. Mineral chemistry and K-Ar ages of plutons across the Karakoram fault in the Shyok-Nubra confluence of northern Ladakh Himalaya, India. Gondwana Res. Doi: 1016/: 2009.08.00.
Ahmad, T, C Dragusanu and T Tanaka. 2008. Provenance of Late Archean Aravalli mafic rocks from Rajasthan, Northwestern India: Nd isotopes, evidence for enriched mantle reservoirs. Precambrian Res. 162: 150-159.
Chambers, J, T Argles, M Horstwood, N B W Harris, R Parrish and T Ahmad. 2008. Tectonic implications of Palaeoproterozoic anatexis and Late Miocene metamorphism in the Lesser Himalayan Sequence, Sutlej Valley, NW India. Jour. Geol. Soc. London. 165: 725-737.
Ahmad, T. 2008. Precambrian Mafic Magmatism in the Himalayan Mountain Range. Jour. Geol. Soc. India. 72: 85-92.
Ahmad, T, T Tanaka, H K Sachan, Y Asahara, R Islam and P P Khanna. 2008. Geochemical and isotopic constrains on the age and origin of the Nidar ophiolitic complex, Indus suture zone, Ladakh, India. Tectonophysics. 451: 206-224.
Ahmad, T, M Deb, J Tarney and M Raza. 2008. Proterozoic mafic volcanism in the Aravalli-Delhi Orogen, Northwestern India: Geochemistry and tectonic framework. Jour. Geol. Soc. India. 72: 93-111.
Ehiro, M, S Kojima, T Sato, T Ahmad and T Ohtani. 2007. Discovery of Jurassic ammonoids from the Shyok Suture Zone to the northeast of Chang La Pass, Ladakh, northwest India and its significance. Island Arc. 16: 124-132.
Kumar, A and T Ahmad. 2007. Geochemistry of mafic dykes in parts of Chotanagpur Gneissic Complex: petrogenetic and tectonic implications. Geochemical Journal. 41: 173-186.
Mondal, M E A, F H Hussain and T Ahmad. 2007. Geochemistry and petrogenesis of the Proterozoic mafic dyke swarms of Bastar craton of central Indian shield. Jour. Appl. Geoch. 9: 17-27.
Caddick, M J, M J Bickle, N B W Harris, T J B Holland, M S A Horstwood, R R Parrish, and T Ahmad. 2007. Burial and exhumation history of Lesser Himalayan schist: Recording the formation of an inverted metamorphic sequence in NW India. Earth and Planetary Sciences Letters. 264: 375-390.
Wanjari, N and T Ahmad. 2007. Geochemistry of Kalpatri granitoids and mafic enclaves, Amgaon Gneissic Complex, Central India. Gondwana Geol. Mag. 10(Special: 55-64.
Gozu, C, T Itaya, H Hyodo and T Ahmad. 2006. Cretaceous isochron ages from K-Ar and 40Ar/39Ar dating of eclogitic rocks in the Tso Morari Complex, western Himalaya, India. Gondwana Res. 9: 426-440.
Mondal, M E A, M F Hussain and T Ahmad. 2006. Continental Growth of Bastar Craton, Central Indian Shield during Precambrian via Multiphase Subduction and Lithospheric Extension/Rifting: Evidence from Geochemistry of Gneisses, Granitoids and Mafic dykes. Jour. Geosciences Japan. 49: 137-151.
Ahmad, T, N B W Harris, R Islam, P P Khanna, H K Sachan and B K Mukherji. 2005. Contrasting mafic magmatism in the Shyok and Indus Suture Zones: Geochemical constraints. Himalayan Geol. 26: 33-40.
Bickle, M J, H J Chapman, J Bunbury, N B W Harris, I J Fairchild, T Ahmad and C Pomies. 2005. Relative contribution of silicate and carbonate rocks to riverine Sr fluxes in the headwaters of the Ganges. Geochim. Cosmochim. Acta. 69: 2221-2240.
Islam, R, T Ahmad and P P Khanna. 2005. An overview on the granitoids of the NW Himalaya. Himalayan Geol. 26: 49-60.
Richards, A, T Argels, N Harris, R Parrish, T Ahmad, F Darbyshire and E Dragantis. 2005. Himalayan architecture constrained by isotopic tracers from clastic sediments. Earth & Planetary Science Letters. 236: 773-796.
Sachan, H K, B K Mukherjee and T Ahmad. 2005. Cold subduction of the Indian continental crust: evidence from Tso-Morari region, Ladakh, India. Himalayan Geol. 26: 25-32.
Hussain, M F, M A E Mondal and T Ahmad. 2004. Petrological and geochemical characteristics of the gneisses and granitoids from the Bastar craton, Central India: implication for subduction related magmatism. Gondwana Res. 7: 531-537.
Hussain, M F, M E A Mondal and T Ahmad. 2004. Geochemisrty of the basement gneisses and gneissic enclaves from Bastar craton: Geodynamic implications. Current Sci. 11: 1543-1547.
Hussain, M F, M E A Mondal and T Ahmad. 2004. Geodynamic evolution and crustal growth of the Indian shield: evidence from geochemistry of gneisses and granitoids. Journal of Earth System Science. 113(4): 699-714.
Ahmad, T, N B W Harris, T Tanaka, M J Bickle, H Chapman, P P Khanna and J Bunbury. 2003. Nd-, Sr-isotopic and geochemical constraints on the source characteristics and petrogenesis of arc volcanics from the Shyok suture zone, Ladakh, India. Himalayan Tectonics Extn. Abst 10-13.
Bickle, M J, J M Bunbury, H J Chapman, N B W Harris, I J Fairchild and T Ahmad. 2003. Fluxes of Sr into headwaters of the Ganges. Geochim. Cosmochim. Acta. 67: 2567-2584.
Islam, R, T Ahmad and B S. 2003. Geochemistry and petrogenesis of the Phe volcanics, Zanskar, Western Himalaya: bearing on the birth of Neo-Tethys. Mem. Geol. Soc. India. 52: 339-357.

Other publications (Edited works/Books reviews/festschrift volumes etc.)

Edited Works

Hussain, M F, T Ahmad and M E A Mondal. 2008. Geochemistry of the Precambrian Mafic Dyke Swarms of the Central and Northeastern Parts of Bastar Craton, Central India: Constraints on Their Enrichment Processes. In Indian Dykes: Geochemistry, Geophysics and Geochronology, ed. Rajesh K Srivastava, Ch Sivaji and N V Chalapathi Rao, 397-412. New Delhi: Narosa Publishing House.

Research Projects (Major Grants/Research Collaboration)

Name of Project: Geochemical, isotopic and geochronological characterization of granitoids from the Central Indian Tectonic Zones (CITZ) and Central Indian Shear Zones (CISZ) -Constraints on Precambrian crustal evolution.

Position in Project: Project Investigator

Funding Agency: Indo-Russian: ILTP Project, DST

Name of Project: Proterozoic mafic magmatism in the central indian tectonic zone (citz): elemental and isotopic constraints on crustal evolution and geodynamics.

Position in Project: Project Investigator    

Funding Agency: DST

Awards and distinctions

Fellow of the Indian Academy of Sciences, Bangalore.

Awarded the JSPS Invitation Fellowship of the Japanese Government, to work in collaboration with Prof. Tsuyoshi Tanaka, at the Department of Earth and Planetary Sciences, Nagoya University, Japan, 1999-2000   .

Received the prestigious National Mineral Award, from the Government of India, 1994.

Awarded National Scholarship for Study Abroad by the Ministry of Human Resource Development, Govt. of India to carry out Post Doctoral Research at University of Leicester, U.K., April, 1988-October, 1989.

Research paper entitled “Geochemistry and Petrogenesis of Mandi-Darla Volcanics, Northwestern Himalayas”, Precambrian Res. 37: 231-256 (1987) was awarded Best paper of the year 1987 at WIHG, Dehra Dun.

Association with Professional Bodies


Editor, Journal of the Geological India, Special Volume on Precambrian Mafic Magmatism in the Indian Shield, Part – II, Jour. Geol Soc. India, Vol. 73, No. 1, 152p, 2009.

Editor, Journal of Virtual Explorer, Special Volume on Geological Anatomy of East and South Asia, Edited By: Talat Ahmad, Francis Hirsch, Punya Charusiri , Volume 32, 2009; An electronic journal from Monash University, Australia. ISSN Number: 1441-8126.

Editor, Journal of the Geological India, Special Volume on Precambrian Mafic Magmatism in the Indian Shield, Part – I, Jour. Geol Soc. India, Vol. 72, No. 1, 140p, 2008.


Fellow, Indian Academy of Sciences, Bangalore.

Life Member Mineralogical Society of India.

Committees and Boards

Member, Editorial Advisory Board of the Indian Journal of Geochemistry.

Member, Advisory Committee for DRS, Department of Geology, University of Rajasthan, Jaipur.

Other Activities

Conference Organization/ Presentations (in the last three years)

Presented papers in several national and International symposiums.

Public Service / University Service / Consulting Activity

Member of several committees of DST / CSIR and Editorial Board member of several International and National journals (see the list in the section –Honours).

Looking after the XRF laboratory of the Department of Geology, University of Delhi.


Honorary Research Associate of the Department of Geology, University of Leicester, U.K. (1988-89). 

Associate Member, Wadia Institute of Himalayan Geology Society.

Member, Expert Panel for the Science & Engineering Research Council ‘Deep Continental Studies Programme’ of the Department of Science & Technology, New Delhi.

Member, Expert Panel for the Science & Engineering Research Council ‘HIMPROBE  EAST’ of the Department of Science & Technology, New Delhi.

Member, Board of Research Studies for the Faculty of Sciences, Department of Geology & Geophysics, The University of Kashmir, Srinagar, J&K.

Member, Management Advisory Committee (MAC) for the Science & Engineering Research Council (SERC) ‘Utilization of Scientific Expertise of Retired Scientist (USERS) Programme of the Department of Science & Technology, New Delhi.

Convener, Vision Committee for Perspective Planning for the Academic Activities of the Department of Geology, University of Delhi, Delhi.

Regional Coordinator, International Geological Correlation Programme (IGCP) Project 516 on the “Geological anatomy of East and South East Asia”

Member, Editorial Board for Indian Journal of Geology

Member Working Group for Geology for the National Science Digital Library (NSDL) Under the National Institute of Science Communication and Information Resources, CSIR, New Delhi.

Member, Editorial Board for Earth, Environmental and Planetary Sciences.

Member, Expert Group for ‘Electron Probe Micro-Analyzer (EPMA) National Facility at IIT, Kharagpur’ under the Science & Engineering Research Council, Department of Science & Technology, New Delhi.

Member Editorial Board for Journal of Virtual Explorer an electronic journal from Monash University, Australia. ISSN Number: 1441-8126 (Printed Journal); 1441-8142 (Online Journal) and 1441-8134 (CD-ROM Jpurnal)

Member, Editorial Board of the Journal of the Mineralogical Society of India.

Member, Editorial Board of the Gondwana Geological Magazine.

Member, Editorial Board of the Journal of the Geological Society of India.

Member Editorial Board Of the Journal of Earth System Science.

Member, Expert Group for FIST North East, DST, New Delhi.