Petrogenesis and geochemistry of the Late Carboniferous rear-arc (or back-arc) pillow basaltic lava in the Bogda Mountains, Chinese North Tianshan

Xie, Wenchun; Luo, Zhaohui; Xu, Yi‐Gang; Chen, Yibing; Hong, Lu-Bing; Ma, Liang; Ma, Qiang

doi:10.1016/j.lithos.2015.11.024

Cited by 58 publications

(59 citation statements)

References 72 publications

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“…In this study, the volcanics of the Upper Carboniferous Liushugou Formation are not bimodal in composition, but their generation is related to bimodal magma (basaltic and rhyolitic magmas), indicating an extensional environment. Occurrence of the Bogda high-Al basalt (HAB) and pillow basalt suggests a back-arc (or rear-arc) setting for the Bogda belt in the Late Carboniferous (Xie et al, 2016a(Xie et al, , 2016b. Therefore, an alternative setting for the Bogda belt is that it was a back-arc extensional environment in the Carboniferous (Fig.…”

Section: Tectonic Implicationmentioning

confidence: 99%

“…Therefore, an alternative setting for the Bogda belt is that it was a back-arc extensional environment in the Carboniferous (Fig. 13A) (Chen et al, 2013;Zhang et al, 2016;Xie et al, 2016aXie et al, , 2016b.…”

Section: Tectonic Implicationmentioning

confidence: 99%

“…Pillow lavas and the late Carboniferous marine Echinodermata fossil occur in the Qijiagou Formation (Xie et al, 2016a). The Early Permian terrestrial charred wood of Prototaxoxylon was documented in the Wutonggou Formation (Wan et al, 2016).…”

Section: Tectonic Implicationmentioning

confidence: 99%

“…The Bogda-(Harlik) belt in the northern margin of Chinese North Tianshan (Fig. 1) is considered to be an ancient arc system between the Juggar Basin to the north and the Tu-Ha Basin to the south (Ma et al, 1997;Xiao et al, 2004;Chen et al, 2013;Xie et al, 2016a). Thus, the magmatism in the Bogda belt may record pivotal information of Phanerozoic, especially Carboniferous-Permian, crustal growth of the Central Asian Orogenic Belt (CAOB) (Sengör et al, 1993;Jahn et al, 2000;Xiao et al, 2004;Windley et al, 2007;Safonova et al, 2011;Wilhem et al, 2012;Xiao et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the magmatism in the Bogda belt may record pivotal information of Phanerozoic, especially Carboniferous-Permian, crustal growth of the Central Asian Orogenic Belt (CAOB) (Sengör et al, 1993;Jahn et al, 2000;Xiao et al, 2004;Windley et al, 2007;Safonova et al, 2011;Wilhem et al, 2012;Xiao et al, 2013). However, the tectonic evolution of this region in Carboniferous-Permian remains debated on 1) a post-collisional orogenic belt as Paleo-Tianshan Ocean closed at the end of Early Carboniferous Chen et al, 2011;Han et al, 2011), 2) a Carboniferous-Permian continental rift associated with a mantle plume (Gu et al, 2000(Gu et al, , 2001Xia et al, 2008Xia et al, , 2012, and 3) a Carboniferous island arc system switched to a post-collisional orogenic belt in Permian (Ma et al, 1997;Laurent-Charvet et al, 2003;Xiao et al, 2004;Yuan et al, 2010;Shu et al, 2011;Xie et al, 2016a).…”

Section: Introductionmentioning

confidence: 99%

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Petrogenesis and geodynamic implications of the Late Carboniferous felsic volcanics in the Bogda belt, Chinese Northern Tianshan

Xie

Luo

et al. 2016

Gondwana Research

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Section: Tectonic Implicationmentioning

confidence: 99%

Section: Tectonic Implicationmentioning

confidence: 99%

Section: Tectonic Implicationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Petrogenesis and geodynamic implications of the Late Carboniferous felsic volcanics in the Bogda belt, Chinese Northern Tianshan

Xie

Luo

et al. 2016

Gondwana Research

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Whole‐rock geochemistry and zircon Hf isotope of Late Carboniferous–Triassic sediments in the Bogda region, NW China: Clues for provenance and tectonic setting

Wang

et al. 2018

Geological Journal

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Detailed petrological, whole‐rock geochemical, and zircon Hf isotopic researches were conducted on the Late Carboniferous–Triassic sedimentary rocks in the Bogda region to evaluate the effects of weathering, sorting, and alteration, as well as to understand their provenance and tectonic setting. These rocks show variable major element compositions, but most are generally similar to post‐Archean Australian shales. The relatively narrow range of TiO2–Zr variation and good correlation between Th/Sc and Zr/Sc signify no obvious sorting and recycling of the sedimentary rocks. The relatively high index of compositional variability (0.8–3.1) and low chemical index of alteration values (44.4–76.4) of the sedimentary rocks indicate that they are immature and probably undergo weak to moderate chemical weathering. In the chondrite‐normalized diagrams, almost all the samples are distinguished by moderately enriched light rare earth element and flat heavy rare earth element patterns with negative Eu anomalies (Eu/Eu* = 0.5–0.8). In conjunction with their Th/Sc, Zr/Sc, La/Th, Zr/Al2O3, TiO2/Zr, Co/Th, and La/Sc ratios, we infer that the major sources of these sedimentary rocks were the intermediate–acidic igneous rocks from the North Tianshan and Yili–Central Tianshan. Combining the orientation of the Bogda region in the Palaeozoic that was roughly perpendicular to the Tianshan and/or East Junggar orogens with the sedimentologic, petrologic, and tectonic researches, we suggest that the Bogda region was a rift basin that occurs at high angles to the orogenic belt. On the other hand, the zircons from these sediments have minor Precambrian grains (<0.2%), positive εHf(t) values (mostly +7.1–+15.0) and young 2‐stage Hf model ages (major peak <1,000 Ma), suggesting that a juvenile continental crust exists as the basement of the Junggar Basin.

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Facies architecture of a subaqueous volcano–sedimentary succession on Bogda Mountains, NW China—Evidence of extension in Late Carboniferous

et al. 2019

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A Late Carboniferous volcano–sedimentary complex outcrops on the southwestern flank of the Bogda Mountains, NW China. The volcanic architecture, spatial relationships, and emplacement mechanisms of the lithofacies were studied in detail, providing a lithofacies context for previously published structural and geochemical studies and constraining the reconstruction of palaeo‐environments. Four distinct volcano–sedimentary facies are identified in the Qijiagou Formation: close‐packed pillow basalts, pillow basalts with interstitial sediments, hyaloclastites, and peperites. Textural features of the lithofacies, especially hyaloclastites and peperites, provide clear evidence for in situ fragmentation of lava flows, co‐volcanic sedimentation of limestone, and intimate interaction between lava, water, and sediments. They demonstrate autochthonous, subaqueous origin of the succession. Discovery of peperites and stratigraphic transitions of the related lithofacies indicate a progressively deepening subaqueous environment, resembling a volcanic evolution from early stage of eruption at a shallower level to increasingly subsiding basin with increasing eruption frequency of basaltic lava at greater water depth. Vesicularity of basalts, ambient pressure, and peperitic features indicate eruption depth at between 1,500 and 2,500 m. The deep extensional basin in the Baiyanggou area was coeval with bimodal volcanism, uplift, and granite intrusion along strike in the region, all indicating continental collision and post‐collisional extension. The substantial depth of the Baiyanggou Basin indicates that it may have been a back‐arc or even a residual oceanic basin.

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Petrogenesis and geochemistry of the Late Carboniferous rear-arc (or back-arc) pillow basaltic lava in the Bogda Mountains, Chinese North Tianshan

Cited by 58 publications

References 72 publications

Petrogenesis and geodynamic implications of the Late Carboniferous felsic volcanics in the Bogda belt, Chinese Northern Tianshan

Petrogenesis and geodynamic implications of the Late Carboniferous felsic volcanics in the Bogda belt, Chinese Northern Tianshan

Whole‐rock geochemistry and zircon Hf isotope of Late Carboniferous–Triassic sediments in the Bogda region, NW China: Clues for provenance and tectonic setting

Facies architecture of a subaqueous volcano–sedimentary succession on Bogda Mountains, NW China—Evidence of extension in Late Carboniferous

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