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<identifier>oai:HAL:hal-00411572v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Rapid uplifting in the process of strike - slip along the Karakorum fault zone in western Tibet: Evidence from Ar-40/Ar-39 thermochronology</title>
<creator>Li, H. B.</creator>
<creator>Valli, F.</creator>
<creator>Arnaud, Nicolas</creator>
<creator>Chen, S. Y.</creator>
<creator>Xu, Z. Q.</creator>
<creator>Tapponnier, P.</creator>
<creator>Lacassin, R.</creator>
<creator>Si, J. L.</creator>
<creator>Qiu, Z. L.</creator>
<contributor>Chinese Academy of Geological Sciences, Beijing (CAGS) ; Ministry of Land and Resources (MLR)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>Acta Petrologica Sinica</source>
<identifier>hal-00411572</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00411572</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00411572</source>
<source>Acta Petrologica Sinica, 2008, 24 (7), pp.1552-1566</source>
<language>zh</language>
<subject lang=en>Strike-slip fault</subject>
<subject lang=en>thermochronology</subject>
<subject lang=en>cooling history</subject>
<subject lang=en>uplift</subject>
<subject lang=en>Karakorum</subject>
<subject lang=en>fault zone</subject>
<subject lang=en>India-eurasia collision</subject>
<subject lang=en>shear zone</subject>
<subject>[SDU.STU.GC] Sciences of the Universe [physics]/Earth Sciences/Geochemistry</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The Karakorum Fault zone (KFZ), lying in the west of the Tibetan plateau, is an important dextral strike-slip fault and the important northern geological boundary of the west Himalaya. In the AyilaRi' gyu Range-Gai Basin area lying in the southeast of the KFZ, Ar-40/Ar-39 thermochronologic analysis was performed on the syn-tectonic minerals in the, metamorphic rocks in the Karakorum ductile shear zone, with the base of petrology and deformation structure researches. According to the microstructure features, the minerals in the shear zone recorded the continuous deformation from high ( > 600 degrees C) to low temperature ( < 250 degrees C) appeared as that the nearly horizontal dextral shearing has transformed into the oblique dextral normal slip, made the greenschist facies of deformation stack oil the early medium-high temperature deformation, indicated the uplift during the slip. The thermochronologic revealed the continuous shear process from the early Miocene to 4Ma at least, which containing three rapid cooling stage: from 25 similar to 22Ma to 21 similar to 18Ma, the deformation locally stopped or slower in the, shallow high temperature shear process; from 15Ma to 12Ma, the rapid uplift of the AyilaRi' gyu Range, the initial formation of the Gar Basin together with the main deep incision of river during the strip-slip of the KFZ; since 9Ma, the AyilaRi' gyu Range has increased the rapid uplift and the Gar Basin has formed finally. According to the different levels of deformation and the dextral displacement of the surface landform with different ages, the long term slip rate and the uplift rate indicated the intense dextral strike slip and uplift associated since the late Quarternary Period.</description>
<date>2008</date>
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