Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Linkage of Paraglacial Processes from Last Glacial to Recent Inferred from Spituk Sequence, Leh Valley, Ladakh Himalaya


Affiliations
1 Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
2 Geological Survey of India, Desert and Environmental Geology Division, Jaipur - 302 004, India
3 Department of Geology, University of Jammu, Jammu - 180 006, India
4 Indian Institute of Geomagnetism, Plot 5, Sector 18, Kalamboli, New Panvel (W), Navi Mumbai - 410 218, India
5 Department of Geology and Geophysics, Indian Institute of Technology Kharagpur - 721 302, India
     

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The paraglacial sequence in the Leh valley, Ladakh Himalaya preserves imprints of various processes active during deglaciation in the late phase of Last Glacial. In present work, a high resolution sedimentological record generated for Spituk is presented identifying aeolian episodes, mudflow events from Ladakh Range and debris flows extending from Zanskar Range across present Indus River. Two temporal phases of water ponding within Spituk Sequence are also identified. The seismites recorded at various stratigraphic depths and their association with the sediment facies signifies gravity induced process besides possible seismic activity as an added phenomena. Linkage between paraglacial processes since Last Glacial to Recent is tracked and evaluated.

Keywords

Paraglacial, Soft-Sediment Deformation Structures, Leh, Spituk, Ladakh Himalaya.
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  • Linkage of Paraglacial Processes from Last Glacial to Recent Inferred from Spituk Sequence, Leh Valley, Ladakh Himalaya

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Authors

Dhananjay A. Sant
Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
Sudesh K. Wadhawan
Geological Survey of India, Desert and Environmental Geology Division, Jaipur - 302 004, India
Rajinder K. Ganjoo
Department of Geology, University of Jammu, Jammu - 180 006, India
Nathani Basavaiah
Indian Institute of Geomagnetism, Plot 5, Sector 18, Kalamboli, New Panvel (W), Navi Mumbai - 410 218, India
Prabhin Sukumaran
Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
Sourabh Bhattacharya
Department of Geology and Geophysics, Indian Institute of Technology Kharagpur - 721 302, India

Abstract


The paraglacial sequence in the Leh valley, Ladakh Himalaya preserves imprints of various processes active during deglaciation in the late phase of Last Glacial. In present work, a high resolution sedimentological record generated for Spituk is presented identifying aeolian episodes, mudflow events from Ladakh Range and debris flows extending from Zanskar Range across present Indus River. Two temporal phases of water ponding within Spituk Sequence are also identified. The seismites recorded at various stratigraphic depths and their association with the sediment facies signifies gravity induced process besides possible seismic activity as an added phenomena. Linkage between paraglacial processes since Last Glacial to Recent is tracked and evaluated.

Keywords


Paraglacial, Soft-Sediment Deformation Structures, Leh, Spituk, Ladakh Himalaya.

References