Thermo-tectonic history of the Issyk-Kul basement (Kyrgyz Northern Tien Shan, Central Asia)

Grave, Johan De; Glorie, Stijn; Buslov, M.M.; Stöckli, Daniel F.; McWilliams, Michael; Batalev, V. Yu.; haute, Peter Van den

doi:10.1016/j.gr.2012.06.014

Cited by 145 publications

(108 citation statements)

References 96 publications

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“…3). The MTS basement is mainly composed of Precambrian crust, covered with early-middle Paleozoic sediments and intercalations of late Paleozoic granitoids (De Grave et al, 2013;Konopelko et al, 2007;Seltmann et al, 2011). The STS represents a late Paleozoic accretionary complex, related to the collision of paleo-Kazakhstan with Tarim during the late Paleozoic (Glorie et et al, 2011).…”

Section: Geological Settingmentioning

confidence: 99%

“…Traces of this post-collisional magmatic episode (mainly A-type and (per-)alkaline magmatism) can be found in e.g. the Kyrgyz North Tien Shan (De Grave et al, 2013;Kröner et al, 2008), the Chinese Central Tien Shan (Dong et al, 2011), the Chinese West Junggar (Shen et al, 2013a) and southern Altai (Tong et al, 2014).…”

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

“…De Grave et al, 2013;Jolivet, in press;Jolivet et al, 2010Jolivet et al, , 2013b. Evidence for these reactivation episodes is often documented in the cooling histories of the exhumed basement rocks and in the sediments of the intervening basins, but the extent of these reactivation events is still under discussion (e.g.…”

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

“…Due to the closure of the Paleo-Tethys Ocean, several accretion-collision events took place at the southern Eurasian margin resulting in the creation of the Mesozoic Tien Shan (e.g. De Grave et al, 2013;Dumitru et al, 2001;Jolivet, in press;Yang et al, 2013). These events are often grouped as the Cimmerian Orogeny and include a) b) c) (Metelkin et al, 2010(Metelkin et al, , 2012Wilhem et al, 2012 and references therein;Zorin, 1999).…”

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

“…the Altai-Sayan; Glorie and De Grave, in press). Following these Mesozoic reactivation episodes, the study area became tectonically more stable and evidence exists that a mature peneplain developed during the Late Cretaceous-early Paleogene Bullen et al, 2001Bullen et al, , 2003De Grave et al, 2013;Delvaux et al, 2013;Glorie et al, 2010;Macaulay et al, 2014). Since the early Eocene, major structures in the southern CAOB were reactivated, which is likely a response to the continuous closure of the Tethys Ocean and associated accretions of island-arcs or continental slivers of 'Greater India' to the southern Eurasian margin (e.g.…”

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

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Late-Paleozoic emplacement and Meso-Cenozoic reactivation of the southern Kazakhstan granitoid basement

et al. 2015

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International audienceThe Ili-Balkhash Basin in southeastern Kazakhstan is located at the junction of the actively deforming mountain ranges of western Junggar and the Tien Shan, and is therefore part of the southwestern Central Asian Orogenic Belt. The basement of the Ili-Balkhash area consists of an assemblage of mainly Precambrian microcontinental fragments, magmatic arcs and accretionary complexes. Eight magmatic basement samples (granitoids and tuffs) from the Ili-Balkhash area were dated with zircon U-Pb LA-ICP-MS and yield Carboniferous to late Permian (~ 350-260 Ma) crystallization ages. These ages are interpreted as reflecting the transition from subduction to (post-) collisional magmatism, related to the closure of the Junggar-Balkhash Ocean during the Carboniferous – early Permian and hence, to the final late Paleozoic accretion history of the ancestral Central Asian Orogenic Belt. Apatite fission track (AFT) dating of 14 basement samples (gneiss, granitoids and volcanic tuffs) mainly provides Cretaceous cooling ages. Thermal history modeling based on the AFT data reveals that several intracontinental tectonic reactivation episodes affected the studied basement during the late Mesozoic and Cenozoic. Late Mesozoic reactivation and associated basement exhumation is interpreted as distant effects of the Cimmerian collisions at the southern Eurasian margin and possibly of the Mongol-Okhotsk Orogeny in SE Siberia during the Jurassic – Cretaceous. Following tectonic stability during the Palaeogene, inherited basement structures were reactivated during the Neogene (constrained by Miocene AFT ages of ~ 17–10 Ma). This late Cenozoic reactivation is interpreted as the far-field response of the India-Eurasia collision and reflects the onset of modern mountain building and denudation in southeast Kazakhstan, which seems to be at least partially controlled by the inherited basement architecture

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Section: Geological Settingmentioning

confidence: 99%

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

Section: Latest Paleozoic To Cenozoic Intracontinental Evolutionmentioning

confidence: 99%

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Late-Paleozoic emplacement and Meso-Cenozoic reactivation of the southern Kazakhstan granitoid basement

et al. 2015

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Cenozoic deformation and exhumation history of the Central Kyrgyz Tien Shan

et al. 2014

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New low-temperature thermochronological data from 80 samples in eastern Kyrgyzstan are combined with previously published data from 61 samples to constrain exhumation in a number of mountain ranges in the Central Kyrgyz Tien Shan. All sampled ranges are found to have a broadly consistent Cenozoic exhumation history, characterized by initially low cooling rates (<1°C/Myr) followed by a series of increases in exhumation that occurred diachronously across the region in the late Cenozoic that are interpreted to record the onset of deformation in different mountain ranges. Combined with geological estimates for the onset of proximal deformation, our data suggest that the Central Kyrgyz Tien Shan started deforming in the late Oligocene-early Miocene, leading to the development of several, widely spaced mountain ranges separated by large intermontane basins. Subsequently, more ranges have been constructed in response to significant shortening increases across the Central Kyrgyz Tien Shan, notably in the late Miocene. The order of range construction is interpreted to reflect variations in the susceptibility of inherited structures to reactivation. Reactivated structures are also shown to have significance along strike variations in fault vergence and displacement, which have influenced the development and growth of individual mountain ranges. Moreover, the timing of deformation allows the former extent of many intermontane basins that have since been partitioned to be inferred; this can be linked to the highly time-transgressive onset of late Cenozoic coarse clastic sedimentation.

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Jurassic tectonostratigraphic evolution of the Junggar basin, NW China: A record of Mesozoic intraplate deformation in Central Asia

Yang

Song

2015

Tectonics

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Mesozoic basins in northwest China provide important records for investigating relationships between intraplate deformation in Central Asia and tectonic processes at Asian boundaries. The present study, using well, seismic, outcrop, and thermochronology data in the Junggar Basin and neighboring areas, describes the main features of Jurassic strata in the basin, analyzes the Jurassic evolution of the basin and neighboring mountain belts, and discusses possible mechanisms of Jurassic intraplate deformation in Central Asia. During the Early-Middle Jurassic, episodic uplift of surrounding mountain belts kept the Junggar Basin a contractional closed basin, and alluvial fan, fluvial, delta, and lacustrine depositional environments successively developed from surrounding ranges to the central basin. During the Late Jurassic, the western and central parts of the basin were folded and uplifted, and deposition migrated mainly to the eastern basin. During the latest Jurassic-earliest Cretaceous, pre-Cretaceous strata in the eastern and northeastern Junggar Basin were folded and uplifted, and coarse-grained sediments were transported from surrounding uplifts to the central basin. We suggest that Jurassic episodic deformation events in the Junggar Basin and other areas of Central Asia are related to the Qiangtang collision during the Late Triassic-Early Jurassic, the closure of the western Mongol-Okhotsk Ocean at the Early/Middle Jurassic boundary, a collision of a microcontinent in the Pamir with the southern Asian margin during the late Middle Jurassic-early Late Jurassic, the collision of the Kolyma-Omolon Block with Siberia at the end of the Jurassic, and the subsequent closure of the eastern Mongol-Okhotsk Ocean during the latest Jurassic-earliest Cretaceous.

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Thermo-tectonic history of the Issyk-Kul basement (Kyrgyz Northern Tien Shan, Central Asia)

Cited by 145 publications

References 96 publications

Late-Paleozoic emplacement and Meso-Cenozoic reactivation of the southern Kazakhstan granitoid basement

Late-Paleozoic emplacement and Meso-Cenozoic reactivation of the southern Kazakhstan granitoid basement

Cenozoic deformation and exhumation history of the Central Kyrgyz Tien Shan

Jurassic tectonostratigraphic evolution of the Junggar basin, NW China: A record of Mesozoic intraplate deformation in Central Asia

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