Ages, geochemistry and tectonic implications of the Cambrian igneous rocks in the northern Great Xing’an Range, NE China

Feng, Zhiqiang; Liu, Yongjiang; Li, Yanrong; Liu, Weimin; Wen, Qiang; Liu, Binqiang; Jian-ping, Zhou; Zhao, Yue

doi:10.1016/j.jseaes.2016.12.006

Cited by 32 publications

(7 citation statements)

References 52 publications

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“…But more and more studies show that the Xing'an Block consists mainly of Phanerozoic igneous and sedimentary rocks (Wu et al, ). The recently dated Precambrian basement rocks should be a part of the Erguna Block according to new studies (Cui et al, ; Feng, Liu, Li, et al, ; Miao, Zhang, Zhu, & Liu, ; W. Sun et al, ).…”

Section: Tectonic Blocks and Geological Unitsmentioning

confidence: 99%

“…(b) What is the true location of the northern extension of the HNHS and did the closure of the Nenjiang‐Heihe ocean occur in the late Devonian (K. D. Tang, Shao, & Li, ; B. Xu, Jacques, & Zhang, ; B. Xu et al, ), early Carboniferous (Cui et al, ; Feng et al, , ; J. Y. Li, ; G. Liu et al, ), or Permian–Triassic (Chen, Jahn, Wilde, & Xu, ; G. H. Shi et al, ; D. Y. Sun, Wu, Li, & Lin, ; Tong et al, ); and (c) What is the nature and northern extension of the XXS (Feng, Liu, Jin, Li, & Wen, ; Feng et al, ; Feng, Liu, Liu, et al, ; Feng, Liu, Li, et al, ; Ge et al, ; R. S. Li, ; Miao, Zhang, & Jiao, ; J. B. Zhou et al, )?…”

Section: Introductionmentioning

confidence: 99%

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Early Carboniferous tectonic evolution of the northern Heihe–Nenjiang–Hegenshan suture zone, NE China: Constraints from the mylonitized Nenjiang rhyolites and the Moguqi gabbros

Feng

Liu

et al. 2017

Geological Journal

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The Heihe–Nenjiang–Hegenshan suture zone has long been accepted as the major tectonic boundary between the Xing'an and Songliao blocks and extends through the Great Xing'an Range in NE China, but its location of the northern segment between the Moguqi and Nenjiang areas and its timing remain unclear. We address these issues by presenting zircon LA‐ICP‐MS U–Pb ages, Lu‐Hf isotopes, bulk‐rock major, and trace elemental data for mylonitized rhyolites collected from the Moergenhe Formation in the Nenjiang area and for gabbros of the Moguqi area, respectively. The mylonitized rhyolites, which display an arc‐related geochemical affinity with enrichment in Th and U, and depletion of Nb, Ta, and Ti, and gently right‐tilted rare earth element (REE) patterns (light REE [LREE]/heavy REE [HREE] =4.53–7.60), as well as the εHf (t) values (+6.4 to +11.8) of analyzed zircons, indicate an origin by partial melting of potentially young lower continental crust of a subducting slab. The zircon LA‐ICP‐MS U–Pb data show the formation age of the mylonitized rhyolites is 352.4 Ma. The analyzed gabbros with an emplacement age of 352.6 Ma have high concentrations of Th and U, slightly enriched LREE patterns and relative low LREE/HREE ratios (4.3 to 4.6). These features, together with their high positive εHf (t) values (+7.7 to +15.2), suggest that they were likely derived from the partial melting of a depleted mantle source that was metasomatized by subduction‐related fluids. Combined with the geochemical features of the coeval igneous rocks from the northern Great Xing'an Range, these results reveal that the existence of an early Carboniferous NE‐trending magmatic arc (ca. 350–330 Ma), extending along the west of the Heihe–Nenjiang–Hegenshan suture zone, gives more constraints on the amalgamation of the Xing'an and Songliao blocks along the Nenjiang–Moguqi areas and indicates that the amalgamation should have terminated by at least the end of the early Carboniferous.

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Section: Tectonic Blocks and Geological Unitsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Early Carboniferous tectonic evolution of the northern Heihe–Nenjiang–Hegenshan suture zone, NE China: Constraints from the mylonitized Nenjiang rhyolites and the Moguqi gabbros

Feng

Liu

et al. 2017

Geological Journal

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“…The Xing'an block was previously regarded as a Precambrian block (Zhou et al, 2011), although Precambrian magmatic events are not widely distributed. The previously regarded Precambrian Xinkailing Group, Luomahu Group, Ergun Formation, Wolegen Group and Fengshuigou River Group were all formed in the late Paleozoic-early Mesozoic (Xu et al, 2012;Sun et al, 2014;Cui et al, 2015;Feng et al, 2017). Provenance analysis of the early Paleozoic sedimentary rocks and Hf isotopic study of igneous zircons indicated that the source area is mainly juvenile crust Han et al, 2015).…”

Section: Ages and Tectonic Attributes Of "Microcontinents"mentioning

confidence: 94%

Accretionary processes and metallogenesis of the Central Asian Orogenic Belt: Advances and perspectives

Xiao

Song

Windley

et al. 2020

Sci. China Earth Sci.

106

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As one of the largest Phanerozoic orogens in the world, the Central Asian Orogenic Belt (CAOB) is a natural laboratory for studies of continental dynamics and metallogenesis. This paper summarizes the research progresses of the accretionary processes and metallogenesis of the CAOB since the People's Republic of China was founded, and puts forward the prospect for future research. During the early period (1950s-1970s), several geological theories were applied to explain the geological evolution of Central Asia. In the early period of China's reform and opening-up, the plate tectonics theory was applied to explain the evolution of the northern Xinjiang and Xingmeng regions, and the opinion of subduction-collision between Siberian, Kazakhstan, and China-North Korea-Tarim plates was proposed. The idea of the Solonker-Yanbian suture zone was established. In the 1990s, the study of the CAOB entered a period of rapid development. One school of scholars including geologists from the former Soviet Union proposed a multi-block collision model for the assemblage of the CAOB. In contrast, another school of scholars, led by a Turkish geologist, Celal Şengör, proposed that the Altaids was formed through the growth and strike-slip duplicates of a single island arc, and pointed out that the Altaids is a special type of collisional orogen. During this period, Chinese geologists carried out a lot of pioneering researches on ophiolites and high-pressure metamorphic rocks in northern China, and confirmed the main suture zones accordingly. In 1999, the concept of "Central Asian metallogenic domain" was proposed, and it became one of the three major metallogenic domains in the world. Since the 21st century, given the importance for understanding continental accretion and metallogenic mechanism, the CAOB has become the international academic forefront. China has laid out a series of scientific research projects in Central Asia. A large number of important scientific research achievements have been spawned, including the tectonic attribution of micro-continents, timing and tectonic settings of ophiolites, magmatic arcs, identification and anatomy of accretionary wedges, regional metamorphism-deformation, (ultra)high-pressure metamorphism, ridge subduction, plume-plate interaction, archipelagic paleogeography and spatio-temporal framework of multiple accretionary orogeny, continental growth, accretionary metallogenesis, structural superposition and transformation, etc. These achievements have made important international influences. There still exist the following aspects that need further study: (1) Early evolution history and subduction initiation of the Paleo-Asian Ocean; (2) The accretionary mechanism of the extroversion Paleo-Asian Ocean; (3) The properties of the mantle of the Paleo-Asian Ocean and their spatiotemporal distribution; (4) The interaction between the Paleo-Asian Ocean and the Tethys Ocean; (5) Phanerozoic continental growth mechanism and its global comparison; (6) Accretionary metallogenic mechanism of the Central Asi...

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“…The CGXR is mainly composed of the XB (Figure b). Lithostratigraphic units of the XB have been identified as (1) the Xilin Gol Complex in the southern GXR (1,026–1,005 Ma; Ge et al, ; Li et al, ); (2) a so‐called Precambrian basement suggested by recent studies in the northern‐central GXR (e.g., Xinkailing Group, Luomahu Group, and Fengshuigou Group; HBGMR, ; Sun et al, ), which formed during the Early Palaeozoic–Early Mesozoic (Miao et al, , ; Xu, Xu, Wang, & Gao, ) and is separated by the EB (Feng et al, ); (3) a discontinuous Early Palaeozoic metamorphosed volcanic‐sedimentary sequence with island arc Cu–Mo mineralization affinity, identified in the northern GXR (Chen, Zhang, et al, ; HBGMR, ; Wang, Tong, et al, ); (4) Early Palaeozoic strata associated with marine sediments and Late Palaeozoic–Early Mesozoic strata consisting of marine and marine‐continental facies sediments such as the Permian Dashizhai, Zhesi, and Linxi formations and the Early Triassic Laolongtou Formation (IMBGMR, ); and (5) voluminous Mesozoic igneous rocks and a Mo–Cu–Pb–Zn metallogenic belt distributed across the CGXR (Ge, Wu, Zhou, & Zhang, ; HBGMR, ; Wu et al, ; Zhai et al, ; Zhang, Wu, Wan, & Chen, ; Zhou, Zeng, Chu, Zhou, & Yang, , in press). Lithostratigraphic units of group (5) are the focus of this study.…”

Section: Geological Settingmentioning

confidence: 99%

Timing and evolution of Mesozoic volcanism in the central Great Xing'an Range, northeastern China

et al. 2018

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In this paper, we report on LA‐ICP‐MS zircon U–Pb dates of 14 Mesozoic volcanic rocks from the central Great Xing'an Range (CGXR). These data are integrated with the temporal and spatial distribution of local magmatism‐related Mesozoic mineralization, in an effort to develop an understanding of the geodynamic evolution of the region. Periodic magmatic events in the GXR date from ~1,703 through ~145 Ma. Mesozoic volcanism in the CGXR can be subdivided into three episodes: Triassic (250–205 Ma), Early–Middle Jurassic (182–165 Ma), and Late Jurassic–Early Cretaceous (155–115 Ma). A revision of the previously defined volcanic sequence is offered using a combination of our zircon U–Pb ages and published Mesozoic geological and geophysical evidence from northeast China. We propose that (a) Early–Middle Triassic volcanism in the CGXR resulted from subduction of the Paleo‐Asian oceanic plate; (b) Late Triassic volcanism was related to subduction of the Mongol–Okhotsk oceanic plate (especially near the Erguna Block) and subsequent extension after the closure of the Paleo‐Asian Ocean; (c) Early–Middle Jurassic volcanism was mainly controlled by the southward subduction of the Mongol–Okhotsk oceanic plate; (d) Late Jurassic–initial Early Cretaceous magmatism was initiated by closure of the Mongol–Okhotsk Ocean; and (e) late Early Cretaceous volcanism was induced following the final closure of the Mongol–Okhotsk Ocean and rollback of the Paleo‐Pacific oceanic plate.

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Ages, geochemistry and tectonic implications of the Cambrian igneous rocks in the northern Great Xing’an Range, NE China

Cited by 32 publications

References 52 publications

Early Carboniferous tectonic evolution of the northern Heihe–Nenjiang–Hegenshan suture zone, NE China: Constraints from the mylonitized Nenjiang rhyolites and the Moguqi gabbros

Early Carboniferous tectonic evolution of the northern Heihe–Nenjiang–Hegenshan suture zone, NE China: Constraints from the mylonitized Nenjiang rhyolites and the Moguqi gabbros

Accretionary processes and metallogenesis of the Central Asian Orogenic Belt: Advances and perspectives

Timing and evolution of Mesozoic volcanism in the central Great Xing'an Range, northeastern China

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