Tectonics of the Himalaya

About this book

The Himalayan mountain belt, which developed during the India–Asia collision starting about 55 Ma ago, is a dramatically active orogen and it is regarded as the classic collisional orogen. It is characterized by an impressively continuous 2500 km of tectonic units, thrusts and normal faults, as well as large volumes of high-grade metamorphic rocks and granites exposed at the surface. This constitutes an invaluable field laboratory, where amazing crustal sections can be observed directly in very deep gorges. It is possible to unravel the tectonic and metamorphic evolution of litho-units, to observe the mechanisms of exhumation of deep-seated rocks and the propagation of the deformation. Himalayan tectonics has been the target of many studies from numerous international researchers over the years. In the last 15 years there has been an explosion of data and theories from both geological and geophysical perspectives.

Tectonics of the Himalaya presents the results of integrated multidisciplinary studies, including geology, petrology, magmatism, geochemistry, geochronology and geophysics, of the structures and processes affecting the continental lithosphere. These processes and their spatial and temporal evolution have major consequences on the geometry and kinematics of the India–Eurasia collision zone.

Contents

Dedications

MUKHERJEE, S., CAROSI, R., VAN DER BEEK, P., MUKHERJEE, B. K. & ROBINSON, D. M. Tectonics of the Himalaya: an introduction

MANDAL, N., BOSE, S., BARUAH, A. & SARKAR, S. First-order topography of the Himalayan Mountain belt: a deep-crustal flow analysis

MONTOMOLI, C., CAROSI, R. & IACCARINO, S. Tectonometamorphic discontinuities in the Greater Himalayan Sequence: a local or a regional feature?

GUPTA, H. K. & GAHALAUT, V. K. Can an earthquake of Mw ~9 occur in the Himalayan region?

TIWARI, V. M., MISHRA, D. C. & PANDEY, A. K. The lithospheric density structure below the western Himalayan syntaxis: tectonic implications

MUKHERJEE, S. A review on out-of-sequence deformation in the Himalaya

CAROSI, R., MONTOMOLI, C., LANGONE, A., TURINA, A., CESARE, B., IACCARINO, S., FASCIOLI, L., VISONÀ, D., RONCHI, A. & RAI, S. M. Eocene partial melting recorded in peritectic garnets from kyanite-gneiss, Greater Himalayan Sequence, central Nepal

LELOUP, P. H., LIU, X., MAHÉO, G., PAQUETTE, J.-L., ARNAUD, N., AUBRAY, A. & LIU, X. New constraints on the timing of partial melting and deformation along the Nyalam section (central Himalaya): implications for extrusion models

ROLFO, F., GROPPO, C. & MOSCA, P. Petrological constraints of the ‘Channel Flow’ model in eastern Nepal

MARTIN, A. J., COPELAND, P. & BENOWITZ, J. A. Muscovite 40Ar/39Ar ages help reveal the Neogene tectonic evolution of the southern Annapurna Range, central Nepal

KHANAL, S., ROBINSON, D. M., MANDAL, S. & SIMKHADA, P. Structural, geochronological and geochemical evidence for two distinct thrust sheets in the ‘Main Central thrust zone’, the Main Central thrust and Ramgarh–Munsiari thrust: implications for upper crustal shortening in central Nepal

MANDAL, S., ROBINSON, D. M., KHANAL, S. & DAS, O. Redefining the tectonostratigraphic and structural architecture of the Almora klippe and the Ramgarh–Munsiari thrust sheet in NW India

DAS, S., MUKHERJEE, B. K., BASU, A. R.& SEN, K. Jr. Peridotitic minerals of the Nidar Ophiolite in the NW Himalaya: sourced from the depth of the mantle transition zone and above

ZENG, L., GAO, L.-E, TANG, S., HOU, K., GUO, C. & HU, G. Eocene magmatism in the Tethyan Himalaya, southern Tibet

Index

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