Late Carboniferous to Permian Sedimentation in Inner Mongolia, China, and Tectonic Relationships between North China and Siberia

Rogers, John J. W.; Yugan, Jin; Wang, Huayu; Li, Wenguo; Chronic, John; Mueller, J. Fred

doi:10.1086/629487

Cited by 60 publications

(57 citation statements)

References 15 publications

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“…The Mongol-Okhotsk belt, extending from the central Mongolia to the present gulf of Okhotsk Sea, was formed along with the diachronous closure of the MongolOkhotsk ocean which separating the Siberian Craton and the Xing'an Block from west to east from mid-Jurassic to early Cretaceous ( Van der Voo et al 1999;Kravchinsky et al 2002;Tomurtogoo et al 2005). The Solonker-Hegenshan belt was formed in the course of collision of the North Asia and the North China Craton during the late Permian and early Triassic and marked the final closure of the Paleo-Asian ocean (Mueller et al 1991;Zorin et al 1993;Xiao et al 2003).…”

Section: Geological Setting and Petrographymentioning

confidence: 99%

Geochronological and geochemical investigation of the late Mesozoic volcanic rocks from the Northern Great Xing’an Range and their tectonic implications

Ying

Zhou

Zhang

et al. 2008

Int J Earth Sci (Geol Rundsch)

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Precise age dating and systematic geochemical investigation were performed on the widely distributed late Mesozoic volcanic rocks in the North Great Xing'an Range (NGXR). In situ zircon U-Pb age measurements indicate that the volcanic eruption commenced from 163 Ma ago and lasted to 113 Ma ago. These volcanic rocks show a wide range in compositions from basaltic andesite, trachyandesite and trachydacite to rhyolite. The majority of volcanic rocks exhibit high-K calc-alkaline affinity with the subordinate showing shoshonitic features. The volcanic rocks are characterized with low MgO contents, LILE, LREE enrichment and HFSE depletion. Elemental and isotopic variations suggest that fractional crystallization with the predominant removal of olivine and orthopyroxene play an important role in the evolution of magma. Most of the basic and intermediate volcanic rocks are generated from an enriched lithospheric mantle which was metasomatised by fluids released from subducted slabs during the closure of the Paleo-Asian and Mongol-Okhotsk oceans. The generation of such widely distributed volcanic rocks was caused by the decompressional partial melting of enriched lithospheric mantle in an extensional regime, which resulted from the gravitational collapse and upwelling of asthenosphere after the final closure of the Mongol-Okhotsk oceans in late Jurassic and from then the Mongol-Okhotsk orogen turned into the post-orogenic stage.

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Section: Geological Setting and Petrographymentioning

confidence: 99%

Geochronological and geochemical investigation of the late Mesozoic volcanic rocks from the Northern Great Xing’an Range and their tectonic implications

Ying

Zhou

Zhang

et al. 2008

Int J Earth Sci (Geol Rundsch)

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“…Some workers suggested that the HegenshaneHeihe zone is the final closure suture of the ocean between the North China and Siberia cratons and the suture is formed during the late Devonianeearly Carboniferous (Zhang and Tang, 1989;Tang, 1990). This appears to be supported by palaeomagnetic data that suggest the NCC was amalgamated with the Mongolian continent initially along the HegenshaneHeihe belt and that this composite continental block then finally collided with the Siberia Craton along the MongoleOkhotsk belt (Muller et al, 1991;Zorin, 1999;Kravchinsky et al, 2002). However, other school of thought have proposed that the SolonkereXra MoroneChangchun suture represents the final collision zone and final closure until end of Permian (e.g., Wang and Liu, 1986;Wang and Fan, 1997;Li, 2006;Miao et al, 2008).…”

Section: Constraint Of the Collision Between The North China Craton Amentioning

confidence: 85%

The final collision of the CAOB: Constraint from the zircon U–Pb dating of the Linxi Formation, Inner Mongolia

Han

Zhou

Wang

et al. 2015

Geoscience Frontiers

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a b s t r a c tThe Linxi Formation occupies an extensive area in the eastern Inner Mongolia in the Central Asian Orogenic Belt (CAOB). The Linxi Formation is composed of slate, siltstone, sandstone and plant, lamellibranch microfossils in the associated strata. Major and trace element data (including REE) for sandstones from the formation indicate that these rocks have a greywacke protolith and have been deposited during a strong tectonic activity. LA-ICPMS UePb dating of detrital zircons yield ages of 1801 to 238 Ma for four samples from the Linxi Formation. 425e585 Ma, together with the w500 Ma age for the metamorphism event previously determined for Northeast China, indicates that their provenance is the metamorphic rocks of Pan-African age that have a tectonic affinity to NE China. A few older zircons with UePb ages at 1689e1801 Ma, 1307e1414 Ma, 593e978 Ma are also present, revealing the Neoproterozoic history of NE China. The youngest population shows a peak at ca. 252 Ma, suggesting that the main deposition of the Linxi Formation was at late Permain. Moreover, the ca. 250 Ma zircon grains of all four samples yield weighted mean 206 Pb/ 238 U ages of 250 AE 3 Ma, 248 AE 3 Ma, 249 AE 3 Ma, and 250 AE 2 Ma, respectively. These ages, together with the youngest zircon age in the sample ZJB-28 (ca. 238 Ma), suggest that the deposition of the Linxi Formation extended to the early Triassic. Combining with previous results, we suggest that the final collision of the Central Asian Orogenic Belt (CAOB) in the southern of Linxi Formation, which located in the SolonkereXra MoroneChangchun suture, and the timing for final collision should be at early Triassic.Ó 2015, China University of Geosciences (Beijing) and Peking University. Production and hosting by Elsevier B.V. All rights reserved.

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“…These rocks were deformed during the Silurian-Devonian orogenic events . Following deposition of Devonian molasse, the lithological succession is dominated by Carboniferous shallow marine clastic-carbonate deposits, Early-Middle Permian volcanic-sedimentary sequences, and Late Permian fluvial conglomerate-sandstone and lacustrine black shale (Tang, 1990;Mueller et al, 1991). The Late Paleozoic rocks are undeformed except along narrow E-W or NE-SW striking shear zones, such as those observed near Erenhot, East Ujimqin, and along the Xilamulun River (Fig.…”

Section: Central-eastern Inner Mongoliamentioning

confidence: 99%

“…2). The Late Permian sequence is represented by ∼4 km-thick fluvial conglomerate and lacustrine black shale with abundant plant fossils (Mueller et al, 1991;IMBGMR, 1991). After the Late Permian, the whole area came into a terrestrial environment, and deposition was absent until the Jurassic continental volcanic-sedimentary deposits (Meng, 2003).…”

Section: Xilamulun Faultmentioning

confidence: 99%

A new Triassic shortening-extrusion tectonic model for Central-Eastern Asia: Structural, geochronological and paleomagnetic investigations in the Xilamulun Fault (North China)

Zhao

Faure

Chen

et al. 2015

Earth and Planetary Science Letters

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International audienceAt the northern margin of the North China Block (NCB), the Xilamulun Fault (XMF) is a key belt to decipher the tectonic evolution of Central-Eastern Asia, as it records the Paleozoic final closure of the Paleo-Asian Ocean, and localizes a Late Triassic intracontinental deformation. In this study, structural analysis, 40Ar–39Ar dating, and paleomagnetic studies were performed to investigate the kinematics of the XMF and to further discuss its Triassic geodynamic significance in the Central-Eastern Asia framework after the Paleozoic Central Asian Orogenic evolution. The structural analyses reveal two phases of ductile deformation. The first one (D1), which displays N-verging and E–W trending folds, is related to the Early Paleozoic collisional event between the NCB and the Songliao–Hunshandake Block (SHB). The second phase (D2) displays a high-angle foliation and a pervasive sub-horizontal E–W stretching lineation with kinematic criteria indicative of dextral strike–slip shearing. The 40Ar–39Ar dating on mylonitic granite places the main shearing event around 227–209 Ma. This D2 shearing is coeval with that of the dextral strike–slip Bayan Obo–Chifeng Fault (BCF) and the Chicheng–Fengning–Longhua Fault to the south, which together constitute a dextral shearing fault system on the northern margin of the NCB during the Late Triassic. The paleomagnetic study performed on the Middle Permian Guangxingyuan pluton, located between the XMF and BCF, documents a local clockwise rotation of this pluton with respect to the NCB and SHB. Our multidisciplinary study suggests an NNW–SSE shortening and strike–slip shearing dominated tectonic setting on the northern margin of the NCB during the Late Triassic. Combining the contemporaneous dextral strike–slip movements of the XMF and BCF in northern China and the sinistral strike–slip movement of East Gobi Fault (EGF) in southeastern Mongolia with the large-scale tectonic framework, a Late Triassic NNW–SSE shortening-eastward extrusion tectonic model for Central-Eastern Asia is firstly proposed. The NNW–SSE shortening results in the eastward extrusion of the continental wedge bounded by the BCF and EGF, which is accommodated by the different kinematic patterns of the southern (XMF and BCF) and northwestern (EGF) bounding faults. This shortening-extrusion tectonic framework is tentatively interpreted as the result of the far field forces associated with three Late Triassic lithosphere-scale convergences in East Asia: i) northward intracontinental subduction between the NCB and South China Block, ii) collision of the Qiangtang Block with the Qaidam Block, and iii) southward subduction of the Mongol–Okhotsk Ocean beneath the Mongolia Block

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Late Carboniferous to Permian Sedimentation in Inner Mongolia, China, and Tectonic Relationships between North China and Siberia

Cited by 60 publications

References 15 publications

Geochronological and geochemical investigation of the late Mesozoic volcanic rocks from the Northern Great Xing’an Range and their tectonic implications

Geochronological and geochemical investigation of the late Mesozoic volcanic rocks from the Northern Great Xing’an Range and their tectonic implications

The final collision of the CAOB: Constraint from the zircon U–Pb dating of the Linxi Formation, Inner Mongolia

A new Triassic shortening-extrusion tectonic model for Central-Eastern Asia: Structural, geochronological and paleomagnetic investigations in the Xilamulun Fault (North China)

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