Publications

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, https://doi.org/10.1016/j.jsg.2022.104783. PDF↓

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: 117814, 10.1016/j.epsl.2022.117814. PDF↓

Ghosh, S., Koizumi, S., Hiraga, T. (2021): Diffusion creep of diopside. JGR Solid Earth. DOI: 10.1029/2020JB019855. PDF↓

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, doi.org/10.1016/j.tecto.2020.228425. PDF↓ Supplementary file↓

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. PDF↓

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,1061–1078, doi.org/10.5194/se-9-1061-2018. PDF↓

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. PDF↓ Supplementary file↓

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, 211–220, doi.org/10.1016/j.jseaes.2017.05.027. PDF↓ Supplementary file↓

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, 166–181, doi.org/10.1016/j.tecto.2016.02.023. PDF↓ Supplementary file↓

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, 24–41, doi.org/10.1016/j.jsg.2014.05.008. PDF↓ Supplementary file↓

Ghosh, S., Stunitz, H., Raimbourg, H., Précigout, J., Di Carlo, I., Heilbronner, R., Piani, L. (Submitted to Earth and Planetary Science Letters): Importance of grain boundary processes for plasticity in the quartz-dominated crust: Implications for flow law development

Ghosh, S., Bose, S., Mandal, N., Saha, P. (Submitted to JSG): Complex Lesser Himalayan tectonics in the Darjeeling Sikkim Himalaya: new perspectives from a fold-duplex model.

Saha, S., Takeshita, T., Ghosh, S., Srivastava, H. B. (Under preparation): 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. 

Rheological properties of polycrystalline quartz aggregate in presence of H2O: A mechanical and chemical analysis. Ludwig-Maximilians-University (LMU) Munich, Germany. 5th October 2022.

Synthesis and diffusion creep of dry fine-grained diopside. Institut des Sciences de la Terre d'Orléans, Université d'Orléans, CNRS, Orléans, France. April 2022.

Quartz rheology constrained from high-pressure and high-temperature experiments and its implications on crustal strength. DST-GATI sponsored international webinar on "Emerging trends in Geosciences and its social impact (ETGS 2022)”. Organized by Earth and Atmospheric Sciences, National Institute of Technology (NIT) Rourkela, India. February 2022.

Constraining creep laws for geomaterials from high-Pressure and high-Temperature experiments. Department of Earth Sciences, IISER Kolkata, October 2021.

Synthesis and diffusion creep of dry fine-grained diopside aggregates. Structural Geology and Tectonic Studies Group - India (SGTSGI), October 2020 (link).

Mid-crustal ramping of the Main Himalayan Thrust (MHT): new insight from physical and numerical models. Earthquake Research Institute, The University of Tokyo, Japan, April 2018.

Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J. (2023): Rheology and Deformation Processes of Fine-grained Quartz Aggregate. EGU General Assembly at Vienna, Austria.

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.

Ghosh, S.*, Stunitz, H., Raimbourg, H., Précigout, J. (2022): Constraining wet quartz rheology from constant-load experiments. EGU General Assembly at Vienna, Austria.

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 (virtual talk).

Ghosh, S.*, Bose, S., Mandal, N., Saha, P. (2021): Oscillating Detachment and Buckling Dominated Fold-Duplex Model for the Darjeeling-SikkimHimalayan Wedge and Its Seismotectonic Implications. AGU fall meeting. New Orleans, USA (virtual talk).

Ghosh, S.*, Hiraga, T., koizumi, S. (2020): Synthesis and diffusion creep of dry fine-grained diopside aggregates. 36th IGC 2020. Delhi, India.

Ghosh, S.*, Laik, A., Bose, S., Mandal, N. (2020): Modelling the structural segmentation of the Main Himalayan Thrust (MHT). 36th IGC 2020. Delhi, India.

Ghosh, S.*, Bose, S., Mandal, N. (2019): Tectono-thermal evolution of the Main Central Thrust (MCT) zone rocks of the Himalayan Crystalline Complex (HCC), Darjeeling-Sikkim Himalaya. JpGU Meeting, Chiba, Japan.

Saha, S. *, Takeshita, T., Ghosh, S., Srivastava, H.B. (2019): Microstructural Analysis of Quartz grains in Monomineralic and Polyphase domains: A case study from Main Central Thrust (MCT) Zone mylonites, western Himalaya, India. JpGU Meeting, Chiba, Japan .

Ghosh, S.*, Laik, A., Bose, S., Mandal, N. (2019): What caused the Main Himalayan Thrust (MHT) to ramp? Insights from analogue and numerical models. JpGU Meeting, Chiba, Japan (talk).

Ghosh, S.*, Laik, A., Bose, S., Mandal, N. (2018): What caused the Main Himalayan Thrust (MHT) to ramp? [Abstract]. Rock deformation and structures (RDS-V) at Delhi University, India, October 2018, p. 27 (talk).

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. PDF↓

Das, A.*, Bose, S., Ghosh, S. (2017): Laboratory experiments on the role of mechanically weak layer on sequential thrusting in orogenic wedges [Abstract]. In 2nd National Geo-Research Scholars Meet 2017 at Wadia Institute of Himalayan Geology, Dehradun, India, May 2017, Vol.2, p. 56. PDF↓

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. PDF↓

Ghosh, S.*, Bose, S., Mandal, N. (2016): Lithologically controlled strength variation and localization of the Main Boundary Thrust (MBT) zone in the Darjeeling-Sikkim Himalaya: explains from field and analogue modelling [Abstract]. Rock deformation and structures (RDS-IV) at Haldwani, India, November 2016, p. 66.

Mukherjee, S.*, Ghosh, S., Bose, S. (2016): Control of multiple weak layers in the development of decollement system in a convergent belt [Abstract]. Rock deformation and structures (RDS-IV) at Haldwani, India, November 2016, p. 72.

Ghosh, S.*, Bose, S., Mandal, N., Acharyya, S. K., Saha, P. (2014). A superposed buckling model for the development Tista dome, Darjeeling – Sikkim Himalaya (DSH), India [Abstract]. Rock deformation and structures (RDS-III), at Dibrugarh, India, October, 2014. PDF↓

Sarkar, A.*, Bose, S., Ghosh, S. (2014): Analysis of structural complexity across Main Central Thrust (MCT), Rorathang area, eastern Sikkim Himalaya [Abstract]. Rock deformation and structures (RDS-III), at Dibrugarh, India, October, 2014, p. 7.

Ghosh, S.*, Saha, P., Basu, R., Dasgupta, S., Acharyya, S. K., Mandal, N., Bose, S. (2012): Nature of deformation of the frontal wedge of Darjeeling-Sikkim Himalayas, India [Abstract]. (Journal of Nepal Geological Society) 27th Himalaya-Karakoram-Tibet Workshop at Kathmandu, Nepal., November 2012, Vol. 45, p. 171.

Ghosh, S.*, Bose, S. (2012): Experiments on superposed buckling in a set of asymmetric first fold [Abstract]. Rock deformation and structures (RDS-II) at Lucknow, India, October 2012, p. 49.