The leading edge of the Greater Himalayan Crystalline complex revealed in the NW Indian Himalaya: Implications for the evolution of the Himalayan orogen

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dc.contributor.authorWebb, Alexander G.
dc.contributor.authorYin, An
dc.contributor.authorHarrison, T.M.
dc.contributor.authorCelerier, Julien
dc.contributor.authorBurgess, W.P.
dc.date.accessioned2015-12-07T22:49:35Z
dc.date.issued2007
dc.date.updated2015-12-07T12:09:57Z
dc.description.abstractThe three Himalayan lithologic units, the Lesser Himalayan Sequence, the Greater Himalayan Crystalline complex, and the Tethyan Himalayan Sequence, have a specific structural correlation with the Main Central thrust and South Tibet detachment in the central Himalaya. There, the Main Central thrust places the Greater Himalayan Crystalline complex over the Lesser Himalayan Sequence, and the South Tibet detachment places the Tethyan Himalayan Sequence over the Greater Himalayan Crystallines. Although this division has formed the basis for all Himalayan tectonic models, it fails to explain aspects of the geology of the western Himalaya where the Main Central thrust places the Tethyan Himalayan Sequence directly above the Lesser Himalayan Sequence. Our mapping in NW India shows that this relationship results from southward merging of the Main Central thrust and South Tibet detachment. This finding, in conjunction with observed alternating shear senses on the South Tibet detachment, is inconsistent with the wedge-extrusion and erosion-induced channel-flow models (both require only top-to-the-N motion on the South Tibet detachment) but is consistent with a tectonic-wedging model.
dc.identifier.issn0016-7606
dc.identifier.urihttp://hdl.handle.net/1885/26828
dc.publisherAssociation of Engineering Geologists
dc.sourceGeological Society of America Bulletin
dc.subjectKeywords: Orogen; Tectonic wedge; Wedge-extrusion; Channel flow; Crystalline rocks; Erosion; Geological surveys; Lithology; Structural geology; Tectonics; detachment fault; extrusion; lithology; orogeny; structural geology; tectonic evolution; tectonic wedge; thrus Himalaya; Main Central thrust; South Tibet detachment; Tectonic wedge
dc.titleThe leading edge of the Greater Himalayan Crystalline complex revealed in the NW Indian Himalaya: Implications for the evolution of the Himalayan orogen
dc.typeJournal article
local.bibliographicCitation.issue10
local.bibliographicCitation.lastpage958
local.bibliographicCitation.startpage955
local.contributor.affiliationWebb, Alexander G., University of California Los Angeles
local.contributor.affiliationYin, An, University of California
local.contributor.affiliationHarrison, T.M., University of California Los Angeles
local.contributor.affiliationCelerier, Julien, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationBurgess, W.P., University of California Los Angeles
local.contributor.authoremailrepository.admin@anu.edu.au
local.contributor.authoruidCelerier, Julien, u2551000
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor040303 - Geochronology
local.identifier.ariespublicationu4047674xPUB47
local.identifier.citationvolume35
local.identifier.doi10.1130/G23931A.1
local.identifier.scopusID2-s2.0-35448976749
local.identifier.uidSubmittedByu4047674
local.type.statusPublished Version

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