Research Interest

• Rock-Mineral Spectroscopy
• Rock/Mineral-water-microbe interactions
• Bioleaching – Bioprecipitation of critical elements
• Thermochoronology (U-Th/He, AFT, ZFT and Ar-Ar)
• Active Tectonics and Landscape evolution

• Applied Mineralogy
• X-ray Crystallography
• Nuclear Fuels
• Geochemical Exploration
• Industrial Mineralogy
• Gemology
• Spectroscopic Methods in Earth Sciences

• Post Doctoral Fellow.
  PGS-DN, Physical Research Laboratory, Ahmedabad
• Ph. D (Mineralogy). MSU, Vadodara
• M. Sc, M. S. University of Baroda
• B. Sc, M.S. University of Baroda

• Professor in 2014
• Associate Professor in 2009
• Assistant Professor in 2003
  Indian Institute of Technology (IIT) Bombay, Mumbai, India
• Post Doctoral Fellow (2001-2003)
  Physical Research Laboratory (PRL), Department of Space, Ahmedabad, Gujarat, India
• CSIR-Research Associate (1999-2001)

Research Work

My research involves mineral as tools for various research problems

Mineralogy

• Reflectance and Thermal Emission Spectral Measurements of Terrestrial analogues
• Mineral Colouration and Enhancement Technique

Mineral-water-microbe interactions

• Low temperature experimental understanding of rock/mineral weathering
• Role of microbe in weathering of rock/mineral
• Environmentally sustainable ways of critical element extraction

Geochronology-Thermochronology

• Quaternary geochronology (Electron Spin Resonance, Thermal/Optical Luminescence)
• Low-moderate temperature thermochronology (U-Th/He, FT  and Ar-Ar)
• Detrital Thermochronology to infer denudation and paleo-drainage migration

Tectonics and landscape evolution

• Tectono-geomorphic evolution of Kachchh, Western India
• Tectono-thermal evolution of NE Himalaya, Arunachal Pradesh, India

• Shri Shantilal Choksi award for first position in Bachelor of Science
• Shri Shantilal Choksi award for first position in Master of Science
• Dr. V. N. Kulkarni Memorial Gold Medal in Master of Science
• CSIR-Research Fellowship
• CSIR – Research Associateship, 2000
• DST-SERC Fast Track Young Scientist, 2002
• Postdoctoral fellowship – Physical Research Laboratory, Ahmedabad, 2002
• Boyscast Fellowship (visiting scientist) Mars Space Flight Facility, Arizona, US, April-July, 2004
• German DAAD Academic Exchange Fellowship, University of Heidelberg, 2007
• German DAAD Academic Exchange Fellowship, TU Freiberg, 2010
• Prof. S. P. Sukhatme Award for Excellence in Teaching

Membership

• Fellow Geological Society (FGS), London
• Fellow, Geological Society of India
• Life Member, National Association for Application of Radiation in Industry(NAARI)
• Mineralogical Society of America
• Geological Society of America
• Geological Society of London
• Member, Indian Science Congress

PUBLICATIONS :

P Sriwastava, VK Saini, G Mathew, AD Shukla (2025). Experimental pathways of clay formation and kinetics of basalt alteration in poor drainage systems: Implications for weathering. Geochimica et Cosmochimica Acta, 396 (2025) 13–27. https://doi.org/10.1016/j.gca.2025.01.042

P Borgohain Biraj, Mathew George, Salvi, Dnyanada, Harbola, Divyadeep, Rai, P (2025). Supplementary: Spatial-Temporal Variation in Erosion Rate of Lohit Bomi-Chayu Batholith around Eastern Himalayan Syntaxis (SE of Namche Barwa massif). Zenodo,  DOI 10.5281/zenodo.13801423

B Borgohain, G Mathew, D Salvi, D Harbola, P Rai. (2025). Spatial‐temporal variation in erosion rate of Lohit Bomi‐Chayu Batholith around eastern Himalayan Syntaxis (SE of the Namche Barwa Massif). Tectonics 44 (1), https://doi.org/10.1029/2024TC008507

B Ranawat and G Mathew (2024).  Microbe Mineral Interface (MMI): Study and assessment of abiotic biomolecules from molecular to macroscopic scale. Development in Waste Water Treatment Research and Processes. 171-196.

P Sriwastava, B Nautiyal, G Mathew (2024). Short Quiescence Duration between Deccan Flows near KT Boundary: Evidence from Glass Shards and Pyroxene Alteration in Bole Beds. 2024 Goldschmidt Conference.

K Ilahi, S Debbarma, G Mathew, HI Inyang (2024). Carbon Capture and Mineralisation using Red Mud: A Systematic Review of its Principles and Applications. Journal of Cleaner Production, https://doi.org/10.1016/j.jclepro.2024.143458

D Harbola, P Sriwastava, G Mathew (2024). Molecular Mechanism of Basalt Alteration During Pedogenesis and Palagonitization: An Experimental Study. 2024 Goldschmidt Conference.

P Rai, B Borgohain, G Mathew, JA Dev, JK Tomson (2024). Eastern himalayan river captures and upper Assam uplift: Paleo-drainage evolution of the Brahmaputra River. Gondwana Research, https://doi.org/10.1016/j.gr.2024.06.004

P Sriwastava, VV Singh, G Mathew, T Kogure, S Myneni (2023). Origin of clays in the interbasaltic red boles of Deccan Volcanics: Pedogenesis versus palagonitization. Applied Clay Science, https://doi.org/10.1016/j.clay.2023.107183.

V Saini, P Sriwastava, G Mathew. Experimental Study of Basalt Alteration At 150° C: An Approach To Understand Smectite Nucleation And Crystallization Pathways.

G Boddepalli, SS Chinnasamy, P Sriwastava, G Mathew (2022). Evidences of diffusion dominated cubanite lamellae in chalcopyrite. AGU Fall Meeting Abstracts 2022, V35D-0130.

P Sriwastava, VK Saini, G Mathew (2022). Experimental Study of Basalt Alteration Rates and Pathways: Role of Grain Size, Water-rock Ratio and Initial Fluid Chemistry. AGU Fall Meeting Abstracts 2022, V51C-11

P Sriwastava, AJ Brijit, B Ranawat, G Mathew (2022). Direct and indirect contact of Bacteria with Fe-bearing rock and minerals: A mechanism of Fe sequestration by bacteria. AGU Fall Meeting Abstracts 2022, B11D-03

P RAI, G Mathew (2022). Major Exhumation Pulse of the Shillong Plateau Occurred During 32-18 Ma in the Himalayan Foreland. AGU Fall Meeting Abstracts 2022, EP51A-02

Rai P. and Mathew G. (2021). Presence of detrital olivine and serpentine minerals in the Dihing unit of upper Assam: Implication towards the source. Journal of Earth System Science. https://doi.org/10.1007/s12040-021-01581-7. 

Salvi, D., Mathew, G., Pande, K and Kohn, B. (2021). Phased cooling of the Siang antiform, Eastern Himalaya: Insight from multi-thermochronology and thermal studies. Journal  of Earth System Science. 130:45 https://doi.org/10.1007/s12040-020-01541-7

Salvi, D. Mathew, G. Kohn, B. and Pande, K. (2020). Thermochronological insights into the thermotectonic evolution of Mishmi hills across the Dibang Valley, NE Himalayan Syntaxis. Journal of Asian Earth Sciences. https://doi.org/10.1016/j.jseaes.2019.104158

Borgohain, B., Mathew, G., Chauhan, N., Jain, V. and Singhvi, A. K. (2020). Evidence of episodically accelerated denudation on the Namche Barwa massif (Easter Himalayan Syntaxis) by megafloods. Quaternary Science Reviews. https://doi.org/10.1016/j.quascirev.2020.106410.

Rai P., Borgohain B., Chettri N. and Mathew G. (2020).  A Comparative Heavy Mineral Study of the Cenozoic Sediments of Assam and Siwalik Foreland Basins, Northeast Himalaya. Journal of Geological Society of India, Vol.96, pp.475-484.

Chakraborty, S., Mukul, M., Mathew, G. and Pande, K (2019). Major shear zone within the Greater Himalayan Sequence and sequential evolution of the metamorphic core in Sikkim, India. Tectonophysics, https://doi.org/10.1016/j.tecto.2019.228183.

Savli, D., Mathew, G. and Kohn, B (2017). Rapid exhumation of the Upper Siang Valley, Arunachal Himalaya since the Pliocene. Geomorphology. 238-249.

Nair, A and Mathew, G. (2017). Geochemical modelling of Terrestrial igneous rock compositions using laboratory thermal emission spectroscopy with an overview on its applications to Indian Mars Mission. Planetary and Space Science, 140. 62-73.

Guralnik, B., et. al. (2015). OSL-thermochronometry using bedrock quartz: a note of caution. Quaternary Geochronology25, 37-48.

Mathew, Gand Salvi, D (2015). Fault-propagation folding and Antiformal duplex in Arunachal Himalaya. Fault-related folding and compaction bands in Kachchh, India. In Atlas of Structural Geology, https://doi.org/10.1016/C2013-0-09971-9.

Alik, S and Mathew, G. (2015). Raman-IR studies on cordierites from Kalahandi, Orissa. Journal Geological Society of India, 86, 80-92.

Nair, A and Mathew, G. (2014) Effect of bulk chemistry in the spectral variability of igneous rocks in VIS-NIR region: Implications to Remote Compositional. International Journal of Applied Earth Observation and Geoinformation, 30, 227-237.

Sarkar De, S., Mathew, G., Pande, K, Phukan, P and Singhvi, A. K (2014). Drainage migration and Out-of-Sequence deformation in the Western Arunachal Himalaya, India. Journal of Geodynamics, 81, 1-16.

Sarkar De, S., Mathew, G, Pande, K., Chauhan, N. and Singhvi, A. K. (2013). Rapid denudation of Higher Himalaya during late Pliestocence, evidence from OSL thermochronology, Geochronometria, 40, 4, 304-310.

Mathew, G., De Sarkar, S., Pande, K., Dutta, S., Ali, S., Rai, A. and Netrawal, S. (2013). Thermal metamorphism of the Arunachal Himalaya, India :  Raman thermometry and thermochronological constraints on the tectono-thermal evolution. International Journal of Earth Science, 102, 1911-1936.

Sarkar De, S.,Mathew, G., and Pande, K (2013). Arc parallel extension in Higher and Lesser Himalaya, Evidence from Western Arunachal Himalaya, India. Journal of Earth System Science. 122, 715-727.

Chandrashekar, E., Mathew, G. and Harinarayana (2012). A new hypothesis for the deep subsurface structures near Bhuj 2001 earthquake (Mw 7.6) hypocenter zone and its tectonic implications. Geophysical Journal International. 190, 761-768.

Alik, S and Mathew, G. (2012). Mineralisation and spectroscopy of rubies from Sardapur, Orissa. Journal of Geological Society of India, 80, 715-722.

Nair, A, M. and Mathew, G. (2012). Lithological mapping of Pavagarh-Phenaimata area using Advance Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data. International Journal of Remote Sensing. 33, 198 – 219.

Mathew, G., Nair, A., Gundu Rao, T. K. and Pande, K. (2009). Laboratory technique for Quantitative Thermal Emissivity measurements of Geological Samples. Journal of Earth System Science, 118, 391-404.

Mallik, J, Mathew, G, and Greiling, R. O. (2009). Magnetic Fabric analysis of fault related folds in the Eastern Kachchh, Western India. Tectonophysics. 473, 428-445.

Mallik, J., Mathew, G., Thomas, R. and Greiling, R. O. (2008). Determination of horizontal principal directions of stress and active faults in Kachchh (India) by Electromagnetic Radiation (EMR). Journal of Geodynamics, 45, 234-245.

Mathew, G., Singhvi, A. K. and Karanth, R. V. (2006). Luminescence chronometry and geomorphic evidence of active fold growth along the Kachchh Mainland Fault (KMF), Kachchh, India: Seismotectonic implications. Tectonophysics, 422, 71-87.

Malik, J.N. and Mathew, G(2005).  Evidence of paleoearthquakes from trench investigations along Pinjore Garden fault in Pinjore Dun, NW Himalaya.  Journal of Earth System Science, 114, 387-400.

Sheth, H. C., Mathew, G., Pande, K, Mallik, S, and Balaram, J (2004). Cones and craters on Mount Pavagadh, Deccan Traps: Rootless cones? Journal of Earth System Science, 4, 831-838.

Mathew, G., GunduRao., T. K., Sohoni, P. S. and Karanth, R. V. (2004). ESR dating of interfault gypsum from Katrol Hill Range, Kachchh, Gujarat: Implications for neotectonism. Current Science, 87, 1269-1274.

Sant, D. A., Mathew, G, Khadkikar, A. S. Karanth, R. V. and V. Gogte. (2003). Co-existent cristobalite and iridium at 65 Ma, AnjarIntertrappeans, Kachchh, western India, Cretaceous Research, 24, 105-111.

GunduRao, T. K, Mathew, G, Rajendran, C. P, John, B. (2002). Electron Spin Resonance Dating of fault gouge from Desamangalam Kerala: Evidence for Quaternary movement in Palghat gap shear zone, Southern India. Proceeding of Indian Academy of Science, Earth and Planetary Sciences. 111, No. 2, 103-113.

Karanth, R.V., Sohoni, P.S, Mathew, Gand Khadkikar, A. S. (2001). Geological observations on 26th January 2001 Bhuj earthquake. Journal of the Geological Society of India, 58, 193-201.

Khadkikar, A.S., Mathew, G., Malik, J.N., GunduRao, T.K., Chowgaonkar, M. &Merh, S.S. (2000). The influence of the southwest Indian monsoon on late Quaternary continental sedimentation, western India. Terra Nova, 11, 273-277.

Mathew, G., Karanth, R. V., GunduRao, T. K. and Deshpande, R. S. (2000). Colouration in natural Beryls : A Spectroscopic investigation. Journal of Geological Society of India, 56, 285-303.

Mathew, G., GunduRao, T. K. and Karanth, R. V. (1999). ESR and FT-IR studies on rare variety of natural zeolite, Cavensite from India. Proceedings of the DAE Solid State Physics Symposium, 42, 15-16.

Mathew, G., Karanth, R. V. and GunduRao, T. K. (1999). FT-IR spectroscopic investigation of hydrous components in sillimanites from Eastern Ghat Granulite terrain. Gondwana Research. 2, 89-94.

Mathew, G., Karanth, R. V., GunduRao, T. K. and Deshpande, R. S. (1998) Maxixe type colourcentre in natural colourless beryl from Orissa, India: An ESR and OAS spectroscopic investigation. Journal of Gemology, 26, 238 – 251.

Mathew, G., Karanth, R. V. and Joshi, M. S. (1998). Studies of surface structures on prism faces of natural beryl crystals. Indian Mineralogist. 32. 61-64.

Mathew, G., Karanth, R. V., GunduRao, T. K. and Deshpande, R. S. (1997) Cause of colour in colourless beryl: A ESR and OA investigation. Proceedings of DAE Solid State Physics Symposium. 40, 26-27.

Mathew, G., Karanth, R. V., GunduRao, T. K. and Deshpande, R. S. (1997) Channel constituents of alkali poor Orissan beryls: A FT-IR spectroscopic investigation. Current Science, 11, 1004 – 1011.

Mathew, G., Bassavalingu, B. and Karanth, R. V. (1998). Role of free radicals and chromophoric ions in colouration of beryl crystals. Indian Geological Congress.

Karanth, R. V. and Mathew, G. (1996). Cause of colour in Gem minerals and Gem enhancements. Geological Society of India, annual convention 1996.

Mathew, G., Henriques, P., Avasia, R. K. and Karanth, R. V. (2000). Modern Technologies for the better identification of stones. 2nd National conference on Gemmology, Shimla.

Mathew, G., GunduRao, T.K., Khadkikar, A.S. & Bhatt, N.P. (2001). ESR dating of biogenic carbonates from late Quaternary beach deposits of Saurashtra, western India. International conference on Neogene-Quaternary Climate, IIT-Kharagpur.

Khadkikar, A.S, Mathew, G., Sohoni, P. and Merh, S. S. (2001). Bed form geometry, internal architecture and evolutionary history of a Late Quaternary parabolic dune complex, Western India. International conference on Neogene-Quaternary Climate, IIT-Kharagpur.

Karanth, R.V., Sohoni, P.S., and Mathew, G. (2001). Structural attributes of Kachchh. International Conference on Seismic Hazard with special reference to 2001 Bhuj Earthquake. Delhi. 3-5 Oct, 2001.

Karanth, R.V., Sohoni, P.S., and Mathew, G. (2001). Bhuj Earthquake – 2001 : A Geological Perspective. National Conference on Bhuj and Chamoli Earthquake, Roorkee.

Mathew, G. and A. K. Singhvi (2003). Luminescence Chronometry of tectonic landforms in Kachchh, W. India :  Evidences of lateral eastward propagation of the Kachchh Mainland Fault. INQUA –2003.

Mathew, G., GunduRao, T. K. and Malik, J. N. (1999). ESR dating of quartz from Quaternary sediments succession of tectonogenic landforms, Kachchh, Western India, International Conference on Luminescence and Electron Spin Resonance dating (LED-99), Rome, Italy.

Mathew, G. and A. K. Singhvi(2003). Luminescence chronology of active landforms along Kachchh Mainland Fault. IIT Kanpur – International workshop on Earth Systems and related to Gujarat Earthquake using space technology.

Mathew, G. Singhvi, A. K, and Karanth, R. V. (2006). Optical Dating of active landforms in Kachchh, India: Evidences suggest lateral and vertical anticlinal uplifts. Asia Pacific conference on Luminescence dating (APLD-2006). Hong Kong.

Malik, J., Mathew, G. and Mukhopadhyay, P. (2006). Fault related folds: An experimental investigation. European Geoscience Union, Vienna.

Malik, J. and Mathew, G. (2006).  Structural attributes of major faults in Kachchh, Western India :Seismotectonic Implications. AGU annual convention.

Mathew, G. (2006). Active segmental fault related fold growth in Kachchh, An Insight from various geomorphic features. Discuss meeting on Tectonic Geomorphology, Landform evolution and Quaternary tectonics, November 2006, Dehradun.

Mallik, J., Mathew, G., (2006). Structural Attributes of Major Faults in Kachchh, Western India: Seismotectonic Implications. Eos Trans. AGU, 87(36), Jt. Assem. Suppl., T32A-01.

Mallik, J., Mukhopadhyay, P., Mathew, G., (2006). Fault related folds: An experimental investigation (SRef-ID: 1607-7962/gra/EGU06-A-01726). Geophysics Research. 8, 01726.

Mathew, G. (2007). Quantitative compositional analysis using thermal emission spectroscopy: Laboratory technique and application to igneous rocks, PLANEX, PRL, Ahmedabad.

Mathew, G. (2007). Active Segmental fault related fold growth in Kachchh.Seismology in India (SEIS-07). Ghandhinagar, Gujarat.

Mallik, J. Mathew, G., Angerer, T. and Greiling, R. O. (2008). Horizontal stress directions in Kachchh : An Electromagnetic Radiation (EMR) study. World stress conference, Karlsruhe, Germany.

Mallik, J. and Mathew, G. (2008).  Tectonics of the Samakhiali basin, Eastern Kachchh, western India. Int. Assoc. Gond. Res. Conf. Ser. 5, 122-123.

Chandrashekar, E., Mathew, G. and Harinarayana (2010). Magnetotelluric investigations in the tectonically active Kachchh region, Bhuj, Gujarat, India. AGA WG. Electromagnetic Induction in the Earth, 20th Workshop Abstract, Giza, Egypt , September 18-24, 2010

De Sarkar, S and Mathew, G. Quaternary tectonism in the NE Arunachal Himalaya. (2011). INQUA, Bern.

Mathew, G. (2011). Low-temperature ThermochronologyLinking tectonics-climate-landscape evolution, and new approaches, Earth Science Goals, 2011-2020, Centre for Earth and Space Sciences, University of Hyderabad.

De Sarkar, S. Mathew, G and Pande, K. (2012). Onset of denudation influenced uplift around 1Ma, Western Arunachal Himalaya, India. 34th IGC, Brisbane.

Mathew, G. (2011). Kachchh topography and subsurface features, clues to Earth Scientists on its evolution and deformation. National level field workshop on the geology of Kachchh basin, western India : Present status and future perspectives.

Mathew, G, De Sarkar, S. and Pande, K. (2012). Foreland out-of Sequence thrusting and rapid Pleistocene exhumation of Higher Himalayan crustal rocks in the Western Arunachal Himalaya. Geophysical Research Abstracts, Vol. 14, EGU2012-10559.

Sharmistha De Sarkar, Naveen Chauhan, George Mathew, K. Pande and A. K. Singhvi (2013). Late Pleistocene rapid denudation, million to thousand year scale. 3rdAsia Pacific conference on Luminescence and ESR dating (APLED-3),Advances in ESR Applications, 29, 2012.

Salvi and Mathew (2014). Thermochronological investigation of Higher and Lesser Himalayan Crystallines of West Siang, NE India: constraints from apatite fission track dating and three-dimensional modeling. Thermo 2014, France.

Dnyanada Salvi, George Mathew, Ashok K Singhvi and Vikrant Jain (2018). Detrital thermochronology and hydraulic modelling of the Late megafloods in the Siang Valley, North East Himalaya. Biraj Borgohain,. Thermo-2018.p20.

Dnyanada Salvi, George Mathew, Kanchan Pande, Barry Kohn (2018. Phased cooling of the Siang Antiform: Constraints for duplex development in the Siang Valley of Eastern Himalaya . Thermo-2018, P175.