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Constraints to the timing of India-Eurasia collision; a re-evaluation of evidence from the Indus Basin sedimentary rocks of the Indus-Tsangpo Suture Zone, Ladakh, India

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Constraints to the timing of India-Eurasia collision; a re-evaluation of evidence from the Indus Basin sedimentary rocks of the Indus-Tsangpo Suture Zone, Ladakh, India. / Henderson, Al; Najman, Yani; Parrish, Randy et al.
In: Earth-Science Reviews, Vol. 106, No. 3-4, 06.2011, p. 265-292.

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Henderson A, Najman Y, Parrish R, Mark D, Foster G. Constraints to the timing of India-Eurasia collision; a re-evaluation of evidence from the Indus Basin sedimentary rocks of the Indus-Tsangpo Suture Zone, Ladakh, India. Earth-Science Reviews. 2011 Jun;106(3-4):265-292. doi: 10.1016/j.earscirev.2011.02.006

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@article{c44262463a5b47549bc0bb11392ac471,
title = "Constraints to the timing of India-Eurasia collision; a re-evaluation of evidence from the Indus Basin sedimentary rocks of the Indus-Tsangpo Suture Zone, Ladakh, India",
abstract = "Deposited within the Indus-Tsangpo suture zone, the Cenozoic Indus Basin sedimentary rocks have been interpreted to hold evidence that may constrain the timing of India-Eurasia collision, a conclusion challenged by data presented here. The Eurasian derived 50.8-51 Ma Chogdo Formation was previously considered to overlie Indian Plate marine sedimentary rocks in sedimentary contact, thus constraining the timing of collision as having occurred by this time. Using isotopic analysis (U-Pb dating on detrital zircons, Ar-Ar dating on detrital white mica, Sm-Nd analyses on detrital apatite), sandstone and conglomerate petrography, mudstone geochemistry, facies analysis and geological mapping to characterize and correlate the formations of the Indus Basin Sedimentary rocks, we review the nature of these contacts and the identification and correlation of the formations. Our results reveal that previously interpreted stratigraphic contacts identifying Chogdo Formation unconformably overlying Indian plate sedimentary rocks are incorrect. Rather, we suggest that the inaccuracy of previous interpretations is most likely a result of Formation misidentification and thus cannot be used to constrain the timing of India-Asia collision.",
keywords = "Himalaya, India–Asia collision , Indus–Tsangpo suture zone , Indus molasse",
author = "Al Henderson and Yani Najman and Randy Parrish and Darren Mark and Gavin Foster",
year = "2011",
month = jun,
doi = "10.1016/j.earscirev.2011.02.006",
language = "English",
volume = "106",
pages = "265--292",
journal = "Earth-Science Reviews",
issn = "0012-8252",
publisher = "Elsevier",
number = "3-4",

}

RIS

TY - JOUR

T1 - Constraints to the timing of India-Eurasia collision; a re-evaluation of evidence from the Indus Basin sedimentary rocks of the Indus-Tsangpo Suture Zone, Ladakh, India

AU - Henderson, Al

AU - Najman, Yani

AU - Parrish, Randy

AU - Mark, Darren

AU - Foster, Gavin

PY - 2011/6

Y1 - 2011/6

N2 - Deposited within the Indus-Tsangpo suture zone, the Cenozoic Indus Basin sedimentary rocks have been interpreted to hold evidence that may constrain the timing of India-Eurasia collision, a conclusion challenged by data presented here. The Eurasian derived 50.8-51 Ma Chogdo Formation was previously considered to overlie Indian Plate marine sedimentary rocks in sedimentary contact, thus constraining the timing of collision as having occurred by this time. Using isotopic analysis (U-Pb dating on detrital zircons, Ar-Ar dating on detrital white mica, Sm-Nd analyses on detrital apatite), sandstone and conglomerate petrography, mudstone geochemistry, facies analysis and geological mapping to characterize and correlate the formations of the Indus Basin Sedimentary rocks, we review the nature of these contacts and the identification and correlation of the formations. Our results reveal that previously interpreted stratigraphic contacts identifying Chogdo Formation unconformably overlying Indian plate sedimentary rocks are incorrect. Rather, we suggest that the inaccuracy of previous interpretations is most likely a result of Formation misidentification and thus cannot be used to constrain the timing of India-Asia collision.

AB - Deposited within the Indus-Tsangpo suture zone, the Cenozoic Indus Basin sedimentary rocks have been interpreted to hold evidence that may constrain the timing of India-Eurasia collision, a conclusion challenged by data presented here. The Eurasian derived 50.8-51 Ma Chogdo Formation was previously considered to overlie Indian Plate marine sedimentary rocks in sedimentary contact, thus constraining the timing of collision as having occurred by this time. Using isotopic analysis (U-Pb dating on detrital zircons, Ar-Ar dating on detrital white mica, Sm-Nd analyses on detrital apatite), sandstone and conglomerate petrography, mudstone geochemistry, facies analysis and geological mapping to characterize and correlate the formations of the Indus Basin Sedimentary rocks, we review the nature of these contacts and the identification and correlation of the formations. Our results reveal that previously interpreted stratigraphic contacts identifying Chogdo Formation unconformably overlying Indian plate sedimentary rocks are incorrect. Rather, we suggest that the inaccuracy of previous interpretations is most likely a result of Formation misidentification and thus cannot be used to constrain the timing of India-Asia collision.

KW - Himalaya

KW - India–Asia collision

KW - Indus–Tsangpo suture zone

KW - Indus molasse

UR - http://www.scopus.com/inward/record.url?scp=79955636197&partnerID=8YFLogxK

U2 - 10.1016/j.earscirev.2011.02.006

DO - 10.1016/j.earscirev.2011.02.006

M3 - Journal article

AN - SCOPUS:79955636197

VL - 106

SP - 265

EP - 292

JO - Earth-Science Reviews

JF - Earth-Science Reviews

SN - 0012-8252

IS - 3-4

ER -