Early Mesozoic southward subduction history of the Mongol–Okhotsk oceanic plate: Evidence from geochronology and geochemistry of Early Mesozoic intrusive rocks in the Erguna Massif, NE China

Tang, Jie; Xu, Wen‐Liang; Wang, Feng; Zhao, Shichao; Wang, Wei

doi:10.1016/j.gr.2014.12.010

Cited by 241 publications

(168 citation statements)

References 80 publications

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“…8. Wang et al, 2006;Li et al, 2013;Li et al, 2015;Tang et al, 2014Tang et al, , 2015Wu et al, 2011;Xu et al, 2004;Xu et al, 2013;Zhang et al, 2008; crust, an interpretation that is supported by the presence of Middle Jurassic thickened lower crust in the study area ( Fig. 12a; Li et al, 2015;Zhang, 1997;Zhang et al, 2011;Zhao et al, 1994Zhao et al, , 2004.…”

Section: Implications For the Late Mesozoic Tectonic Evolution Of Thementioning

confidence: 68%

Geochronology, geochemistry, and deformation history of Late Jurassic–Early Cretaceous intrusive rocks in the Erguna Massif, NE China: Constraints on the late Mesozoic tectonic evolution of the Mongol–Okhotsk orogenic belt

et al. 2015

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Section: Implications For the Late Mesozoic Tectonic Evolution Of Thementioning

confidence: 68%

Geochronology, geochemistry, and deformation history of Late Jurassic–Early Cretaceous intrusive rocks in the Erguna Massif, NE China: Constraints on the late Mesozoic tectonic evolution of the Mongol–Okhotsk orogenic belt

et al. 2015

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“…Zircon Hf isotopes can be used to track the history of the chemical differentiation of crust and mantle as well as the heterogeneity of the continental crust (Kinny et al, 1991;Yang et al, 2007;Kemp et al, 2009;Dhuime et al, 2012;Tang et al, 2016;Vervoort and Kemp, 2016). The new zircon Hf isotopic data for the early Paleozoic igneous rocks presented in this study can provide key insights into the crustal accretion and reworking processes recorded in the eastern SZB.…”

Section: Crustal Accretion and Reworking In The Szbmentioning

confidence: 86%

“…7C,7D). The geochemistry of these associated intrusions is indicative of their derivation from magmas that formed in an active continental margin setting (Gill, 1981;Grove and Donnelly-Nolan, 1986;Grove et al, 2003;Deering et al, 2007;Lu and Xu, 2011;Wang et al, 2012a;Tang et al, 2014Tang et al, , 2016. Previous research suggested that the oceanic crust between the southern SZB and the southern JB existed during the Neoproterozoic to Ordovician (Li et al, 1999;Xie et al, 2008a).…”

Section: Tectonic Setting Of Early Paleozoic Magmatism and Tectonic Ementioning

confidence: 98%

Geochronology and geochemistry of early Paleozoic igneous rocks from the Zhangguangcai Range, northeastern China: Constraints on tectonic evolution of the eastern Central Asian Orogenic Belt

Wang

Pei

et al. 2017

Lithosphere

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This study presents new geochronological and geochemical data for early Paleozoic igneous rocks of the Zhangguangcai Range, northeastern China, and uses these data to further define the early Paleozoic tectonic evolution of the Songnen-Zhangguangcai Range block (SZB) and the Jiamusi block, and provide insights into crustal growth and reworking processes in these blocks of the eastern Central Asian Orogenic Belt. New zircon U-Pb data indicate widespread early Paleozoic magmatism (ca. 516, and 426 Ma) in the southeastern SZB. The ca. 516 Ma magmatism formed Na-rich tonalites that contain low concentrations of rare earth elements, are enriched in Eu and Sr, have high CaO/Al 2 O 3 and Ba/La ratios, low Rb/Sr and Rb/Ba ratios, and negative Ce anomalies and zircon ε Hf (t) values. These features suggest an origin from magmas generated by partial melting of ancient accumulated gabbroic rocks with the addition of subducted-sediment-derived fluids. The ca. 496-482 Ma magmatism formed calc-alkaline I-type biotite granodiorites and monzogranites, whereas the ca. 475-461 Ma igneous rocks include biotite monzogranites with K-rich adakitic signatures and alkali-feldspar granites. These ca. 496-461 Ma granitoids have zircon ε Hf (t) values from -0.82 to +5.44 and two-stage depleted-mantle model (T DM2 ) ages of 1490-1103 Ma, suggesting they formed from magmas generated by partial melting of heterogeneous Mesoproterozoic lower crustal material. The ca. 426 Ma Na-rich tonalites are geochemically similar to the ca. 516 Ma tonalites and also originated by partial melting of ancient gabbroic or amphibolitic rocks with the involvement of subducted-sediment-derived fluids. The geochemistry of these early Paleozoic igneous rock assemblages is indicative of formation in an active continental margin setting associated with northwestward subduction beneath the southeastern SZB. The zircon Hf isotopic compositions of these early Paleozoic igneous rocks indicate that Paleoproterozoic-Mesoproterozoic crustal material was reworked during the early Paleozoic subduction-and collision-related tectonism.

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“…1b, Petrov et al 2014). The Paleozoic accretionary complexes (Kurihara et al 2009;Tomurtogoo 2012) in the HangaiDaur belt were formed by the northward subduction of the oceanic plate (Mongol Okhotsk oceanic plate; e.g., Tang et al 2016) beneath the SC (Zorin 1999;Donskaya et al 2013). The Mongol-Okhotsk Ocean was previously present between the SC and NCP/TB (Fig.…”

Section: Introductionmentioning

confidence: 99%

Late Paleozoic low-angle southward-dipping thrust in the Züünharaa area, Mongolia: tectonic implications for the geological structures in the Sayan-Baikal and Hangai-Daur belts

Gantumur

Tsukada

2017

Int J Earth Sci (Geol Rundsch)

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low-angle southward-dipping thrusts, similar to the present study, are widely distributed in the Haraa terrane of the Hangai-Daur belt and in terranes of the Sayan-Baikal belt. Whereas, the contemporaneous southeast-verging composite folds and northward-dipping thrusts are developed in the accretionary complexes, which are exposed at south of the Haraa terrane. These contrasting structures suggest a couple of "landward-verging" and "oceanward-verging" structures and may correspond to the "doubly vergent asymmetric structure" of Alpine-type compressional orogen.

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Early Mesozoic southward subduction history of the Mongol–Okhotsk oceanic plate: Evidence from geochronology and geochemistry of Early Mesozoic intrusive rocks in the Erguna Massif, NE China

Cited by 241 publications

References 80 publications

Geochronology, geochemistry, and deformation history of Late Jurassic–Early Cretaceous intrusive rocks in the Erguna Massif, NE China: Constraints on the late Mesozoic tectonic evolution of the Mongol–Okhotsk orogenic belt

Geochronology, geochemistry, and deformation history of Late Jurassic–Early Cretaceous intrusive rocks in the Erguna Massif, NE China: Constraints on the late Mesozoic tectonic evolution of the Mongol–Okhotsk orogenic belt

Geochronology and geochemistry of early Paleozoic igneous rocks from the Zhangguangcai Range, northeastern China: Constraints on tectonic evolution of the eastern Central Asian Orogenic Belt

Late Paleozoic low-angle southward-dipping thrust in the Züünharaa area, Mongolia: tectonic implications for the geological structures in the Sayan-Baikal and Hangai-Daur belts

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