PUBLICATIONS

 Peer-reviewed articles (Published)

18. Ojha, A. K.*, Kumar, D., Satyanarayanan, M., (2025). Heat source for the Himalayan hot springs: A view from the Puga Geothermal Field, Ladakh, India. Geothermics, 135, 103537. https://doi.org/10.1016/j.geothermics.2025.103537. PDF

17.  Satyakumar, A. V.*, Mrinal, A., Ojha, A. K., Ashok, J., & Venkateshwarlu, M. (2025). Effect of local topography/structure on lava flow direction: A view from Ananthagiri Hills from Deccan Basalts, India. Journal of Volcanology and Geothermal Research, 108408. https://doi.org/10.1016/j.jvolgeores.2025.108408. PDF

16.  Kumar, D.*, Ojha, A. K., Maurya, V. P., Satyanarayanan, M., Dhakate, R., Kumar, P., et al. (2025). New insight into the shallow sub-surface for geothermal prospection of Puga valley, Ladakh, India from electrical resistivity tomography. Geothermics, 131(May), 103409. https://doi.org/10.1016/j.geothermics.2025.103409. PDF

15.  Agarwal, A.*, Ojha, A. K., Kenkmann, T., Poelchau, M. H., Gairola, P., & Bhatt, S. (2025). Effect of layering on brittle deformation: results from hypervelocity impact experiments on gneiss. International Journal of Impact Engineering, 206, 105406. https://doi.org/10.1016/j.ijimpeng.2025.105406.  PDF

14. Ojha, A. K., Srivastava, D. C., Forster, M., Lister, G. S., (2024). Evidence of back-folding in the Beas Valley puts Himalayan tectonic models on trial. Journal of Structural Geology, 186, 105217. PDF

13. Behera, S. S., Tiwari, S., Pandey, A. K., Agarwal, A.*, Ojha, A. K., (2024). Direction of impact at Dhala impact structure, India deciphered from microfracture intensity and X-ray diffraction: A new potential impact direction indicator. Earth, Planets and Space. 76 (83). PDF

12. Jamir, I., Kumar, V., Ojha., A. K., Gupta, V., Martha, T. R., Griffiths, D. V.*, (2024). Evaluating failure regime of an active landslide using instability and rockfall simulation, NW Himalaya. Environmental Earth Sciences. 83 (256). PDF

11. Ojha, A. K.*, Monika Saini, D. P., Agarwal, A., Pandey, A. K., (2024). Tectonic development in Singhbhum Craton, NE India decrypted from dyke swarms: A window to understand magma dynamics in Archean-Proterozoic supercontinents. Physics of Earth and Planetary Interior. 350, 107169. PDF

10. Joshi, G.*, Agarwal, A., Kenkmann, T., Ojha, A. K., (2024). Kink-bands as indicators of shock-wave propagation direction: Results from experimental impact cratering on gneiss. Journal of Structural Geology. 180, 105082. PDF

9. Joshi, G.*, Phukon, P., Agarwal, A., Ojha, A.K., (2023). On the emplacement of the impact melt at the Dhala impact structure, India. Journal of Geophysical Research Planets, 128(7), 1-14. PDF

8. Sahoo, A. K.*, Krishnamurthi, R., Dinkar, G. K., Rao, N. V. Chalapathi, Ojha, A. K., Raghuvanshi, S., Bhunia, S., (2023). Gold-Sulfide Mineralization in Banded Iron Formation at Girar, Bundelkhand Craton, India: Inferences from Field Observations and Petrography. Journal of Geological Society of India, 99 (1), 13-22. PDF

7. Pradhan, R. M.*, Singh, A., Ojha, A. K., Biswal, T. K., (2022). Structural controls on bedrock weathering in crystalline basement terranes and its implications on groundwater resources. Scientific Reports, 12(1), 11815. PDF

6. Rai, S. R., Sachan, H. K.*, Spencer, C. J., Kharya, A., Singhal, S., Ojha, A. K., Chattopadhaya, P., Pati, P., (2022). Zircon geochronology and Hf isotopic study from the Leo Pargil Dome, India: implications for the palaeogeographic reconstruction and tectonic evolution of a Himalayan gneiss dome. Geological Magazine, 1-18. PDF

5. Ojha, A. K.*, Srivastava, D. C., Sharma, R., (2022). Fluctuation in the fluid and tectonic pressures in the South Almora Thrust Zone (SATZ), Kumaun Lesser Himalaya; paleoseismic implications. Journal of Structural Geology, 160, 104631. PDF

4. Ojha, A. K.*, Sharma, R., Srivastava, D. C., Lister, G. S., (2019). Polyphase development of chocolate-tablet boudins in the SAT zone, Kumaun Lesser Himalaya, India. Journal of Structural Geology, 127. PDF

3. Ojha, A. K.*, Srivastava, D. C., (2018). Effect of packing tightness on strain estimation from the Fry method. Journal of Earth System Sciences, 127(5), 61(1-12). PDF

2. Chakraborty, D., Ojha, A. K.*, (2017). Structural geometry of Nidar ophiolite, Ladakh: evidence from volcanic-sedimentary bands. Himalayan Geology, 38, 91-99. PDF

1. Kumar, R., Srivastava, D. C.*, Ojha, A. K., (2014). A comparison of the methods for objective strain estimation from the Fry plots. Journal of Structural Geology, 63, 76-90. PDF

Abstracts in Conferences/Symposia/Seminars/Meetings 

15. Ojha, A. K.* (2024). Kinematic readjustment leads to Pleistocene disengagement of the northern Karakoram Fault segment: Revealed from paleostress analysis. AGU2024, Washington, D. C., USA.

14. Barik, P.*, Ojha, A. K. (2024). Understanding the stress conditions of the NW Himalaya: Past to present. AGU2024, Washington, D. C., USA.

13.  Das, R., Agarwal, A., Ojha, A. K., Kenkman, T., Poelchau, M. H., (2024). Efficacy of classical and spectroscopic techniques for strain quantification in weakly shocked rocks: Results from experimentally impacted Taunus quartzite. EPSC2024, Germany.

12. Ojha, A. K.*, Barik, P., (2024). Complex shear zone evolution revealed from garnets in Himachal Himalaya: Implications to Himalayan tectonics. Goldschmidt2024, Chicago, USA.

11. Ojha, A. K., (2023). Puga Geothermal Field (PGF): A structurally controlled Trans Himalayan geothermal field. Workshop on "Geothermal Energy Resources of India: Present status and way forward,  CSIR-NGRI, Hyderabad

10. Ojha, A. K., Srivastava, D. C., Sharma, R., (2023). Fluid and tectonic pressure interplay in earthquakes: Searching for new methodology to detect fossil earthquakes. 28th General Assembly of the International Union of Geodesy and Geophysics (IUGG), PRL, India.

9. Ojha, A. K., Satyanarayanan, M., (2023). Where is the heat source in the Puga-Chumathang hot springs in Ladakh, India? Frontiers in Geosciences Research Conference. 

8. Ojha, A. K., Srivastava, D. C., Lister, G., (2022). Evidence of back folding in the Himachal Himalaya: A reassessment of the tectonic models in light of new evidence. Geophysical Research Abstracts. EGU2022. Link

7. Jamir, I., Kumar, V., Ojha, A. K., Gupta, V., (2022). An appraisal of Pre-and Post-failure regimes of a hillslope using stability, runout, and structural implications; A case study from the NW Himalaya. 10th International Conference of the International Association of Geomorphologists. Link

6. Pradhan, R. M., Singh, A., Ojha, A. K., Biswal, T.K., (2022). Role of brittle-ductile shear zones on bedrock weathering in fractured basement terranes and its implications on sustainable groundwater resources and management. 9th INTERNATIONAL GROUNDWATER CONFERENCE.

5. Ojha, A.K., Sharma, R., Srivastava, R., Lister, G.S., (2017). Boudinage characterization: A combined approach of structural geology and fluid inclusion study. 2nd National Geo-Research Scholars Meet, WIHG, Dehradun.

4. Ojha, A. K., Srivastava, D. C., (2016). Syntectonic fluids in major thrust belts of the Himalaya. ACROFI VI., Vol. 17, 44-46.

3. Ojha, A. K., Srivastava, D. C., (2015). Variety and complexity of boudinage in the heart of Almora Crystalline zone. 30th HKT. 

2. Srivastava, D. C., Ojha, A. K., (2015). Effect of packing density on strain estimation by Fry method. Geophysical Research Abstracts. Vol.17, EGU2015-113. Link

1. Ojha, A. K., Basak, B. Pandey, R., Srivastava, D. C., (2013). Superposed deformation in the Ramgarh Group; observations along the Khairna-Almora traverse, Kumaun Himalaya. WHIG-Indian Geophysical Union Workshop on Modern Perspective in Himalayan Geosciences (June 11-12, 2013). Abstract vol, p. 38. WIHG, Dehradun.