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Asymmetric exhumation of the Mount Everest region; implications for the tectono-topographic evolution of the Himalaya

B. Carrapa, X. Robert, P. G. DeCelles, D. A. Orme, S. N. Thomson and L. M. Schoenbohm
Asymmetric exhumation of the Mount Everest region; implications for the tectono-topographic evolution of the Himalaya
Geology (Boulder) (August 2016) 44 (8): 611-614

Abstract

The tectonic and topographic history of the Himalaya-Tibet orogenic system remains controversial, with several competing models that predict different exhumation histories. Here, we present new low-temperature thermochronological data from the Mount Everest region, which, combined with thermal-kinematic landscape evolution modeling, indicate asymmetric exhumation of Mount Everest consistent with a scenario in which the southern edge of the Tibetan Plateau was located >100 km farther south during the mid-Miocene. Northward plateau retreat was caused by erosional incision during the Pliocene. Our results suggest that the South Tibetan Detachment was a localized structure and that no coupling between precipitation and erosion is required for Miocene exhumation of Greater Himalayan Sequence rocks on Mount Everest.


ISSN: 0091-7613
EISSN: 1943-2682
Coden: GLGYBA
Serial Title: Geology (Boulder)
Serial Volume: 44
Serial Issue: 8
Title: Asymmetric exhumation of the Mount Everest region; implications for the tectono-topographic evolution of the Himalaya
Affiliation: University of Arizona, Department of Geosciences, Tucson, AZ, United States
Pages: 611-614
Published: 201608
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 29
Accession Number: 2016-069334
Categories: Structural geologyGeochronology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: GSA Data Repository item 2016198
Illustration Description: illus. incl. geol. sketch map
N27°58'60" - N28°00'00", E86°55'60" - E86°58'00"
Secondary Affiliation: Universite Joseph Fourier, FRA, FranceUniversity of Toronto, CAN, Canada
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 201633
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