Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry

Placing spatial and temporal constraints on deformation, uplift and exhumation using thermochronology methods can shed light on Cenozoic orogenic evolution in the Kuqa foreland. New apatite (U–Th)/He and previously published apatite fission track thermochronology are combined with vitrinite reflecta...

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Main Authors: Yu, S., Chen, W., Evans, Noreen, McInnes, Brent, Yin, J., Sun, J., Li, J., Zhang, B.
Format: Journal Article
Published: Elsevier BV 2014
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/29752
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author Yu, S.
Chen, W.
Evans, Noreen
McInnes, Brent
Yin, J.
Sun, J.
Li, J.
Zhang, B.
author_facet Yu, S.
Chen, W.
Evans, Noreen
McInnes, Brent
Yin, J.
Sun, J.
Li, J.
Zhang, B.
author_sort Yu, S.
building Curtin Institutional Repository
collection Online Access
description Placing spatial and temporal constraints on deformation, uplift and exhumation using thermochronology methods can shed light on Cenozoic orogenic evolution in the Kuqa foreland. New apatite (U–Th)/He and previously published apatite fission track thermochronology are combined with vitrinite reflectance data and modeling to compile a low temperature, multi-stage thermal history of tectonic uplift/thrust and exhumation. A rapid uplift and exhumation event originated in South Tianshan during the Eocene (~ 46 Ma), with systematic younging of mean apatite (U–Th)/He ages from north to south (from the margin towards the interior). Uplift and exhumation south edge of the Biyoulebaoguzi anticline in the northern monocline belt at ~ 36 Ma with more than 3400 m of stratum denuded. Subsequently, deformation and uplift south edge of the Biyoulebaoguzi anticline in the northern monocline belt at ~ 36 Ma with more than 3400 m of stratum denuded. Subsequently, deformation and uplift extended to the northern edge of Kelasu–Yiqikelike at ~ 10 Ma and then at ~ 6 Ma, the Kanyaken anticline formed and uplifted resulting in 3000–3700 m of overburden erosion. The data support sequential southward propagating deformation and uplift (inferred exhumation) in the north Kuqa Depression during the Cenozoic, probably as a result of the collision of India with Asia far to the south of the Tianshan.
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spelling curtin-20.500.11937-297522017-09-13T16:07:32Z Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry Yu, S. Chen, W. Evans, Noreen McInnes, Brent Yin, J. Sun, J. Li, J. Zhang, B. South Tianshan Kuqa Depression Vitrinite reflectance (U–Th)/He ages Uplift and exhumation Placing spatial and temporal constraints on deformation, uplift and exhumation using thermochronology methods can shed light on Cenozoic orogenic evolution in the Kuqa foreland. New apatite (U–Th)/He and previously published apatite fission track thermochronology are combined with vitrinite reflectance data and modeling to compile a low temperature, multi-stage thermal history of tectonic uplift/thrust and exhumation. A rapid uplift and exhumation event originated in South Tianshan during the Eocene (~ 46 Ma), with systematic younging of mean apatite (U–Th)/He ages from north to south (from the margin towards the interior). Uplift and exhumation south edge of the Biyoulebaoguzi anticline in the northern monocline belt at ~ 36 Ma with more than 3400 m of stratum denuded. Subsequently, deformation and uplift south edge of the Biyoulebaoguzi anticline in the northern monocline belt at ~ 36 Ma with more than 3400 m of stratum denuded. Subsequently, deformation and uplift extended to the northern edge of Kelasu–Yiqikelike at ~ 10 Ma and then at ~ 6 Ma, the Kanyaken anticline formed and uplifted resulting in 3000–3700 m of overburden erosion. The data support sequential southward propagating deformation and uplift (inferred exhumation) in the north Kuqa Depression during the Cenozoic, probably as a result of the collision of India with Asia far to the south of the Tianshan. 2014 Journal Article http://hdl.handle.net/20.500.11937/29752 10.1016/j.tecto.2014.05.021 Elsevier BV restricted
spellingShingle South Tianshan
Kuqa Depression
Vitrinite reflectance
(U–Th)/He ages
Uplift and exhumation
Yu, S.
Chen, W.
Evans, Noreen
McInnes, Brent
Yin, J.
Sun, J.
Li, J.
Zhang, B.
Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title_full Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title_fullStr Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title_full_unstemmed Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title_short Cenozoic uplift, exhumation and deformation in the north Kuqa Depression, China as constrained by (U–Th)/He thermochronometry
title_sort cenozoic uplift, exhumation and deformation in the north kuqa depression, china as constrained by (u–th)/he thermochronometry
topic South Tianshan
Kuqa Depression
Vitrinite reflectance
(U–Th)/He ages
Uplift and exhumation
url http://hdl.handle.net/20.500.11937/29752