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Indian Institute of Science Education and Research
Thiruvananthapuram

Dr Subhajit Ghosh
Assistant Professor Grade I (Earth, Environmental and Sustainability Sciences)
  +91 (0)471 - 2778386
  c3ViaGFqaXQuZ2hvc2hAaWlzZXJ0dm0uYWMuaW4=

PEER-REVIEWED PUBLICATIONS

  1. Ghosh, S., Stünitz, H., Raimbourg, H., Précigout, J., Di Carlo, I., Heilbronner, R., Piani, L., (2024a). Importance of grain boundary processes for plasticity in the quartz-dominated crust: Implications for flow laws. Earth and Planetary Science Letters, 640, p.118767, https://doi.org/10.1016/j.epsl.2024.118767.
  2. Ghosh, S., Stünitz, H., Raimbourg, H., Précigout, J., Di Carlo, I., Heilbronner, R. and Piani, L., (2024b). Corrigendum to “Importance of grain boundary processes for plasticity in the quartz-dominated crust: Implications for flow laws” [EPSL 640C (2024) 118767]. Earth and Planetary Science Letters, p.118857.
  3. Ghosh, S., Bose, S., Mandal, N., Saha, P. (2024c): Complex Lesser Himalayan tectonics in the Darjeeling Sikkim Himalaya: new perspectives from a fold-duplex model. Journal of Structural Geology, https://doi.org/10.1016/j.jsg.2024.105189.
  4. Ghosh, S., Mandal, N., Roy, S., Bose, S. (2023): Tectono-metamorphic transitions in the Higher Himalayan sequence: a clue for Main Central Thrust (MCT) localization in Darjeeling-Sikkim Himalaya. Journal of Structural Geology, 167, p.104783. org/10.1016/j.jsg.2022.104783.
  5. Ghosh, S., Stunitz, H., Raimbourg, H., Précigout, J. (2022): Quartz rheology constrained from constant-load experiments: Consequences for the strength of the continental crust. Earth and Planetary Science Letters, 597, p.117814, https://doi.org/10.1016/j.epsl.2022.117814.
  6. Ghosh, S., Koizumi, S., Hiraga, T. (2021): Diffusion creep of diopside. Journal of Geophysical Research: Solid Earth, 126, e2020JB019855, 10.1029/2020JB019855.
  7. Ghosh, S., Bose, S., Mandal, N., Laik, A. (2020): Mid-crustal ramping of the Main Himalayan Thrust in Nepal to Bhutan Himalaya: New insights from analogue and numerical experiments. Tectonophysics, 782-783, doi.org/10.1016/j.tecto.2020.228425.
  8. Marques F. O., Mandal, N., Ghosh, S., Ranalli, G., Bose, S. (2019): REPLY “Interactive comment on Marques et al. (2018), Channel flow, tectonic overpressure, and exhumation of high-pressure rocks in the Greater Himalayas” by John P. Platt, Solid Earth Discuss, 10, 357-361, doi.org/10.5194/se-2018-92, 2018.
  9. Marques F. O., Mandal, N., Ghosh, S., Ranalli, G., Bose, S. (2018): Channel flow, tectonic overpressure, and exhumation of high-pressure rocks in the Greater Himalayas. Solid Earth, 9, 1061–1078, doi.org/10.5194/se-9-1061-2018.
  10. Ghosh, S., Bose, S., Mandal, N., Das, A. (2018): Control on frontal thrust progression by the mechanically weak Gondwana horizon in the Darjeeling-Sikkim Himalaya. Tectonophysics, 727, pp.12-27, doi.org/10.1016/j.tecto.2018.01.033.
  11. Acharyya, S. K., Ghosh, S., Mandal, N., Bose, S., Pande, K. (2017): Pre-Himalayan tectono-magmatic imprints in the Darjeeling-Sikkim Himalaya (DSH) constrained by 40 Ar/ 39 Ar dating of muscovite. Journal of Asian Earth Sciences, 146, 211–220, doi.org/10.1016/j.jseaes.2017.05.027.
  12. Ghosh, S., Bose, S., Mandal, N., Dasgupta, S. (2016): Dynamic recrystallization mechanisms and their transition in the Daling Thrust (DT) zone, Darjeeling–Sikkim Himalaya. Tectonophysics, 674, 166–181, doi.org/10.1016/j.tecto.2016.02.023.
  13. Bose, S., Mandal, N., Acharyya, S. K., Ghosh, S., Saha, P. (2014): Orogen-transverse tectonic window in the Eastern Himalayan fold belt: A superposed buckling model. Journal of Structural Geology, 66, 24–41, doi.org/10.1016/j.jsg.2014.05.008.

MANUSCRIPTS UNDER PREPARATION

  1. Saha, S., Takeshita, T., Ghosh, S., Srivastava, H. B. Rheology of the continental shear zone at the mid-crustal condition and its implication for fabric development: Insights from the Main Central Thrust (MCT) zone, western Garhwal Himalaya, India.
  2. Ghosh, S., Stunitz, H., Raimbourg, H., Précigout, J., Di Carlo, I. Hyperspectral Cathodoluminescence: a novel tool to investigate dissolution-precipitation and grain boundary migration processes in quartz.
  3. Ghosh, S., Cross, A.J., Hirth, G., and Meyers, C., (2024). Determining recrystallized grain size and subgrain size piezometers for plagioclase.

SELECTED CONFERENCE ABSTRACTS

  1. Ghosh, S.*, Cross, A.J., Hirth, G., and Meyers, C., (2024). Determining the rheological properties of natural, intermediate-composition plagioclase. AGU fall meeting, Washington DC, USA. December 9 - 13, 2024.
  2. Ghosh, S.*, Cross, A.J., Hirth, G., and Meyers, C., (2024). Determining recrystallized grain size and subgrain size piezometers for plagioclase and clinopyroxene. Gordon Research Conferences (GRC) for Rock Deformation. August 4 - 9, 2024, Bates College, USA.
  3. Raimbourg, H., Stünitz, H., Pongrac, P., Ghosh, S., Palazzin, G., Nègre, L., Heilbronner, R., Précigout, J. and Jeřábek, P., (2024). Deformation of quartz aggregates: interplay between plasticity and grain boundary processes, and the role of water. EGU General Assembly at Vienna, Austria (No. EGU24-9588).
  4. Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J. (2023): Rheology and Deformation Processes of Fine-grained Quartz Aggregate. EGU General Assembly at Vienna, Austria.
  5. Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J., (2022): Constraining Rheology and Deformation Processes of Fine-grained Quartz Aggregate from High-Pressure and High-Temperature Experiments. AGU fall meeting, USA.
  6. Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J. (2022): Constraining wet quartz rheology from constant-load experiments. EGU General Assembly at Vienna, Austria.
  7. Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J., Nègre, L., Pongrac, P., Jeřábek, P. (2021): Constraining rheology and deformation processes of wet quartzite from high-pressure and high-temperature experiments. AGU fall meeting. New Orleans, USA.
  8. Ghosh, S.*, Bose, S., Mandal, N., Saha, P. (2021): Oscillating Detachment and Buckling Dominated Fold-Duplex Model for the Darjeeling-Sikkim Himalayan Wedge and Its Seismotectonic Implications. AGU fall meeting. New Orleans, USA.
  9. Ghosh, S.*, Das, A., Bose, S., Mandal, N. (2017): Lithologically controlled strength variation and the Himalayan megathrust geometry: an analogue modeling approach [Abstract]. EGU General Assembly Conference at Vienna, Austria, April 2017, Vol. 19, p. 1213.
  10. Ghosh, S.*, Bose, S., Mandal, N. (2016): Strain localization along the Main Boundary Thrust (MBT) zone in the Eastern Himalaya: insights from field and experimental studies [Abstract]. EGU General Assembly Conference at Vienna, Austria, April 2016, Vol. 18, p. 6501.