Dr. Ashwini Kumar Choudhary Professor Institute Instrumentation Center Indian Institute of Technology, Roorkee Roorkee , India

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1 Dr. Ashwini Kumar Choudhary Professor Institute Instrumentation Center Indian Institute of Technology, Roorkee Roorkee - 247667, India Date of Birth: 19 September 1949 Office Tel: +91-1332-285148

1 1 Dr. Ashwini Kumar Choudhary Professor Institute Instrumentation Center Indian Institute of Technology, Roorkee Roorkee , India Date of Birth: 19 September 1949 Office Tel: akc.iitr@gmail.com Education: Ranchi University, India Phy, Chem, Math Intermediate Patna University, India Physics B.Sc (Hons) Patna University, India Physics M.Sc Physical Research Lab, Physics (Geochronology) Ph.D Ahmedabad, India Research & Training: 1. Isotopic composition and abundance analysis of elements using solid source thermal ionization mass spectrometer. 2. Geochronology using whole rock samples and its various mineral phases.

2 2 Teaching and Research Experience: 1. Teaching Physics in Post Graduate & Undergraduate classes: 20 years 2. Research in Rb-Sr and Sm-Nd Geochronology: 12 years Membership of professional Societies: 1. Indian Society of Mass Spectrometry Life Member 2. Geological Society of America 3. Geochemical Society of America Professional Positions held: onwards Professor, Indian Institute of Technology, Roorkee, India, July Visiting Research Fellow, Wadia Institute of Himalayan Geology, Dehra Dun, May Professor of Physics, L.N.Mithila University, Darbhanga, Bihar, Visiting Research Associate, National Geophysical Research Institute, Hyderabad, Visiting Research Fellow, Department Of Earth Sciences, Open University, Milton Keynes, UK, Reader in Physics, Samastipur College, L.N.Mithila University, Darbhanga, Bihar Scientist B, National Geophysical Research Institute, Hyderabad, UGC Research Fellow at Physical Research Laboratory, Navrangpura, Ahmedabad, & Lecturer in Physics, Samastipur College, L.N.Mithila University, Darbhanga, Bihar. Expertise in: 1. Setting up and running a geochronology / isotope geology laboratory with thermal ionization mass spectrometer (TRITON) 2. Setting up and running an ICP-MS laboratory (Perkin Elmer Elan DRC 6000)

3 3 3. Running a Laser Ablation Micro Analyzer (New Wave Research ArF Excimer 193nm) 4. Teaching Physics at Master and Undergraduate level 5. Teaching isotope geology and geochronology at Master s level 6. Managing a shared analytical facility center with more than 14 sophisticated instruments and more than 20 staff members Major contributions in new laboratory development: 1. Set up the geochronology laboratory from scratch for Rb-Sr, Sm-Nd dating of rocks and minerals with thermal ionization mass spectrometer (TRITON) at the Indian Institute of Technology, Roorkee, India 2. Set up from scratch a quadrupole ICP-MS laboratory (Perkin Elmer Elan DRC 6000) at the Indian Institute of Technology, Roorkee, India 3. Set up a Laser Ablation Micro Analyzer (New Wave Research ArF Excimer 193nm) in the ICP-MS laboratory at the Indian Institute of Technology, Roorkee, India 4. Got funds in October 2007 from the Department of Science and Technology, Government of India to set up an Electron Probe Micro Analyzer (EPMA) at the Indian Institute of Technology, Roorkee, India. The EPMA (Cameca SX100) has started working 5. Working on the U-Th chemical separation and measurement of U and Th isotopes to set up the U Series Disequilibrium dating of geological samples Administrative experience: I was working as Head of the Institute Instrumentation Center (IIC) of the Indian Institute of Technology (IIT), Roorkee, India, from December 2005 to December IIC is an academic service center and houses the shared analytical facilities. It has more than twenty sophisticated analytical facilities and caters to the scientific analytical needs of researchers of IIT Roorkee as well as of other institutes, scientific organizations and industry Research Projects: 1. Proterozoic mafic magmatism in the Central Indian Tectonic Zone: isotopic and trace elements constraint on crustal evolution and geodynamics -sponsored by the Department of Science and Technology, Government of India. 2. National Facility of Electron Probe Micro Analyzer for geological and material sciences.

4 4 Sponsored by the Department of Science and Technology, Government of India. 3. Measurement of Uranium and Thorium in natural samples for U series disequilibrium studies by thermal ionization mass spectrometer- sponsored by the Board of Research in Nuclear Sciences, Government of India. 4. Mafic crustal xenoliths in the Eastern Ghats belt: a window to mantle processes - Sponsored by the Department of Science and Technology, Government of India. 5. Petrology and geochemistry of mafic dykes in Rewa Basin, Central India: Implications on dispersal and migration of Deccan magma and nature of the Sub Continental Mantle sponsored by the Department of Science and Technology, Government of India. 6. Major Intracontinental Shear Zones of South India and their role in Gondwana Assembly: Geochronological Constraints - sponsored by the Department of Science and Technology, Government of India. Recent Publications: 1. Hetu C. Sheth, Ashwini Kumar Choudhary, Sudeshna Bhattacharyya, Ciro Cucciniello, Ramesh Laishram, Trupti Gurav, Geology and geochemistry of the Chogat-Chamardi subvolcanic complex, Saurashtra, northwestern Deccan Traps, Journal of Asian Earth Sciences, Volume 41, Issue 3, 25 May 2011, Pages C.V.Dharma Rao, A.K.Choudhary, The Chimalpahad anorthosite Complex and associated basaltic amphibolites, Nellore Schist Belt, India: magma chamber and roof of a Proterozoic island arc,(2011) Journal of Asian Earth Sciences V.40 pp A.K.Choudhary, A.K. Jain, R.M.Manickavasagam, S.Singh and K.Chandra,Crustal accretion and metamorphism of Mesoarchean granulites in Palghat-Cauvery Shear Zone, southern India, Journal of Geological Society of India (in press, Vol.77, March 2011) 4. S. Bhattacharya, A. K. Choudhary, A. K. Saw & P. Das, Mafic granulite xenoliths from the East Indian shield: evidence for recycled continental crust in the Archean mantle, Lithosphere L120.1,February 10, 2011, doi: /l120.1

5 5 5. S. BHATTACHARYA, A.K.CHAUDHARY & M, BASEI, Original nature and source of Khondalites in the Eastern Ghats Belt, India, Spl. Vol. Geol.Soc.Lond. (in press) 6. Devanathan Alamelu, Ashwini Kumar Choudhary, Suresh Kumar Aggarwal, Determination of impurities in thoria (ThO2) using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) (2010), Journal of Nuclear Materials,Volume,406, Issue 3, Pages Trisha Lala, A K Chaudhary, S K Patil and D K Paul, Mafic dykes of Rewa Basin, central India: Implications on magma dispersal and petrogenesis, in Dyke Swarms, R.K. Srivastava (ed.),chapter-9, DOI / _9, Springer-Verlag Berlin Heidelberg D. Alamelu, S. Jagadish Kumar, A.R. Parab, A.K. Choudhary, S.K. Aggarwal; Studies on the formation of atomic and molecular ions of uranium and thorium inthermal ionization mass spectrometry; International Journal of Mass Spectrometry;(2010), V.291 pp Samarendra Bhattacharya, Ashwini Kumar Chaudhary, Secular evolution of continental crust: recorded from massif-type charnockites of Eastern Ghats belt, India (2010) Natural Science, Vol.2, No.10, S. BHATTACHARYA, P. DAS, A. K. CHAUDHARY AND AMIT K. SAW, Mafic granulite xenoliths in the Eastern Ghats Granulite Belt: implications for the lower crustal processes in the south eastern Indian Peninsula (2010), Indian Journal of Geology, Vol.80 (1-4) pp M. K. Bera, A. Sarkar, P. P. Chakraborty, V. Ravikant, A. K. Choudhury; Forced regressive 1 shoreface sandstone from Himalayan foreland: implications to early Himalayan tectonic evolution; Sedimentary Geology; (2010), Volume 229, Issue 4-15, pp Munendra Singh, Amit K. Singh, Swati, Nupur Srivastava, Sandeep Singh, A. K. Chowdhary; Arsenic mobility in fluvial environment of the Ganga Plain, northern India; Environ Earth Sci; (2009) Volume 59, Number 8, Pages

6 13. Sandeep Singh, Munendra Singh, A. K. Choudhary, Anju Saxena, I. B. Singh, A. K. Jain; Sr isotopic signature of the Ganga Alluvial Plain and its implication to Sr flux of the Ganga River System; Int J Earth Sci; (2010), Volume 99, Number 8, Pages

CURRICULUM-VITAE. Correspondence: Dept. of Geology, AMU, Aligarh

CURRICULUM-VITAE. Correspondence: Dept. of Geology, AMU, Aligarh CURRICULUM-VITAE 1. Name : Dr. SHAIK ABDUL RASHID 2. Present Status Working as Associate Professor in the Department of Geology, Aligarh Muslim University, Aligarh, India for the last 16 years and teaching