Petrogenesis of the Huashanguan A-type granite complex and its implications for the early evolution of the Yangtze Block

Zhou, Guangyan; Wu, Yuan–Bao; Wang, Hao; Qin, Zhihong; Zhang, Wenxiang; Zheng, Jianping; Yang, Sai-Hong

doi:10.1016/j.precamres.2017.02.005

Cited by 72 publications

(21 citation statements)

References 104 publications

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“…B. Wu et al (), Xiong et al (2009), X. F. Zhao et al (), Gao et al (), Wei et al (2012), Y. B. Wu et al (), K. Chen et al (), Yin et al (), Guo et al (, ), Wang et al (2015a), Zhou et al (, ), Y. H. Li et al (), Han et al (), and Hui et al (). The evolution trends of depleted mantle (DM), chondritic reservoir (CHUR) and continental crust evolution line from 2.0 to 4.4 Ga with 176 Lu/ 177 Hf = 0.015 as shown are from Griffin et al () [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Discussionmentioning

confidence: 99%

“…Palaeoproterozoic intrusions into the Yangpo Group are composed primarily of gneissic K‐feldspar granites and gneissic monzogranites (Z. J. Wang et al, ; L. J. Zhang, Ma, Wang, She, & Wang, ), interpreted to have resulted from reworking ancient crust at ca . 1.95–1.85 Ga (Z. J. Wang et al, ; L. J. Zhang et al, ; Zhou et al, ).…”

Section: Geological Backgroundmentioning

confidence: 99%

“…2.1–1.6 Ga in the Palaeoproterozoic time (Han et al, ; Hui et al, ; L. M. Li et al, ; Peng et al, , ; Z. J. Wang et al, ; Y. B. Wu et al, ; Q. Xiong et al, ; Yin et al, ; Zhou et al, ). In recent studies, nevertheless, formation of crystalline rocks with ages of ca .…”

Section: Introductionmentioning

confidence: 99%

“…J. Wang et al, 2015;Q. Xiong et al, 2008;Yin et al, 2013;Zhou et al, 2017). In recent studies, nevertheless, formation of crystalline rocks with ages of ca.…”

mentioning

confidence: 99%

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Geochronology and geochemistry ofca. 2.48 Ga granitoid gneisses from theYudongzi Complexin the north‐westernYangtze Block,China

et al. 2018

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The Early Precambrian magmatism in the Archean–Palaeoproterozoic basement Yudongzi Complex is critical for understanding the early crustal formation and evolutionary history of the Yangtze Block in the South China Craton. In this paper, combined zircon UPb geochronological, zircon Hf isotopic, and whole‐rock geochemical studies are carried out on the granitoid gneisses from the Yudongzi Complex, north‐western Yangtze Block. The magmatic zircons from the granitoid gneiss yield a UPb upper intercept age of 2,477±18 Ma, interpreted as the crystallization age of the granitoid gneiss. The granitoid gneiss samples are characterized by high Al2O3 contents, moderate to high Sr/Y, (La/Yb)N and Na2O/K2O ratios, no obvious Eu and Sr anomalies, and depleted Nb, Ta, and Ti values that are similar to those of Archean trondhjemite–tonalite–granodiorite (TTG) suites, indicating that the investigated rocks belonging to TTG‐series rocks. They display pronounced enriched‐LREE patterns with high La/Yb values and relatively high Zr/Sm and Eu/Eu* but low Nb/Ta and Dy/Yb ratios, implying that these rocks were formed by partial melting within amphibolite‐facies conditions with mainly residual amphibole, garnet, and accessory rutile in the magma source. These rocks also display apparently low MgO, Mg#, Ni, and Cr contents, suggesting derivation from partial melting of thickened ancient lower crust. Zircon εHf(t) values from the granitoid gneiss sample vary from −10.1 to −6.9 with TDM2 of ca. 3.59–3.40 Ga, what demonstrates their crustal source nature as well. Thus, taking all these factors together, we propose that the ca. 2.48 Ga granitoid gneisses in the Yudongzi Complex might have been produced by partial melting of ancient crust material under amphibolite‐facies conditions, with primarily residual assemblages of amphibole, garnet, and attached rutile. Taking together our new data and such from previous studies, the Yangtze Block has been probably involved into a significant reworking of ancient crust event during the Early Palaeoproterozoic time.

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Section: Discussionmentioning

confidence: 99%

Section: Geological Backgroundmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…J. Wang et al, 2015;Q. Xiong et al, 2008;Yin et al, 2013;Zhou et al, 2017). In recent studies, nevertheless, formation of crystalline rocks with ages of ca.…”

mentioning

confidence: 99%

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Geochronology and geochemistry ofca. 2.48 Ga granitoid gneisses from theYudongzi Complexin the north‐westernYangtze Block,China

et al. 2018

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“…For instance, Late Archean volcanism and magmatism from 2.9-2.5 Ga Qiu et al, 2018), as well as the extensive Palaeoproterozoic tectonothermal event, occurred in these blocks (Zhai & Liu, 2003;Zhang, Li, Zhai, & Guo, 2006). The important metamorphic and magmatic activity in the interval from 2.0-1.8 Ga are attributed to the amalgamation and break-up of the Columbia supercontinent (Zhang, Zheng, et al, 2006;Zhao, Li, Sun, & Wilde, 2011;Zhou et al, 2017). Additionally, the Neoarchean-Palaeoproterozoic ancient crust remained in the Sulu terrane, and a series of magmatic-volcanic-metamorphic events occurred during 2.2-1.8 Ga (Xu, Yang, Li, Hou, & Qin, 2013 representing marine strata formed under reducing conditions .…”

Section: Palaeoproterozoic-archean Groupmentioning

confidence: 99%

Detrital zircon U–Pb geochronology of early Cretaceous sedimentary rocks in Dingzi Bay and Taolin area from the Sulu Orogen: Provenances and tectonic implications

Liu

Zhou

Zhang³

et al. 2018

Geological Journal

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Early Cretaceous sedimentary rocks in the Sulu Orogen (SO) have been a popular topic in recent years. The provenances of sedimentary rocks can help elucidate the tectonic history of the SO, China. The Dingzi Bay and Taolin areas in the SO have always been poorly known. Thus, we date detrital zircons from four sedimentary rock samples including sandstone, siltstone, and greywacke collected in both areas. Age distributions from Dingzi Bay exhibit three major age populations including Palaeoproterozoic (1900–1800 Ma), Neoproterozoic (800–700 Ma), and Early Cretaceous (136–106 Ma) ages and small age populations including early Mesozoic, Palaeozoic, and Palaeoproterozoic–Archean ages, while age distributions in the Taolin area show the largest age population of Early Cretaceous (132–102 Ma) with minor early Mesozoic, Palaeozoic, and Neoproterozoic populations. The youngest detrital zircon populations yield weighted mean ages of ca. 116 Ma in Dingzi Bay and ca. 120 Ma in the Taolin area as the maximum depositional ages, which correspond to the Early Cretaceous Lower Qingshan Group. Age distributions in both areas indicate that the local SO served as the primary source area, whereas the Yangtze Block might have been a lesser source of detrital zircons. The comparison of geochronological, geochemical, and sedimentary data among Dingzi Bay, Taolin, Laoshan, and Lingshan Island suggests an Early Cretaceous marine basin formed over the SO. Further, considering previous regional tectonic history, we propose a two‐stage (Laiyang and Qingshan stages) evolutionary model for this marine basin. We suggest that transpression between the Laiyang and Qingshan stages due to subduction of the Pacific Plate might have caused rapid uplift of the south‐eastern SO and closing of the marine basin. Correspondingly, this process influenced the input of the source material from the Yangtze Block to the marine basin during the Qingshan stage.

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Geochemical evolution of the Lebowa Granite Pluton in western Bushveld Igneous Complex, South Africa: More insight into the evolution of bimodal A‐type granitoid

Mutele

Misra

2021

Geological Journal

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The 2.05 Ga Bushveld Igneous Complex (BIC) in the Kaapvaal Craton, South Africa, with an areal extent of 65,000 km 2 , represents one of the largest bimodal A-type granitoid suites in the world. The igneous activity of this complex begun with the Rooiberg Group of basalt-rhyolite bimodal volcanism, followed by the emplacement of the ultramafic-mafic Rustenburg Layered Suite (RLS), and finally the granitoid rocks of the Rashoop Granophyre (RG) and Lebowa Granite Suite (LGS). In this study, we present our new borehole description and whole-rock chemical data on the LGS from the relatively unknown western BIC to constrain the origin of the LGS and try to evaluate their geochemical relationship to the Rooiberg Group felsic volcanics. In the western BIC, the LGS is locally represented by the hydrothermally altered Paalkraal Granite and the Kenkelbos Granite that together form a central dome-like feature. The Veekraal Granite forms the peripheral part of the dome. These granitoids are, in general, coarse-grained, porphyritic, or equigranular, showing granophyric intergrowth, and consist of quartz, perthitic microcline, and albitic plagioclase with minor opaque and interstitial hornblende/biotite. Our whole-rock chemical data on western LGS, along with those from the Groblersdal area, eastern BIC (taken as reference), form a cluster in the 'granite' field in the normative Ab-An-Or diagram with mean Or/(Ab+Or) 0.5 (0.11), and are peralkaline to weakly peraluminous in composition. These A-type granitoids are strictly 'ferroan' and calc-alkalic to alkali-calcic in nature, and evolved through partial melting as evident mainly in process identification plots. In bulk chemical composition, the LGS and high-SiO 2 Rooiberg Group rhyolites overlap with the experimental melts generated during dehydration melting of tonalite-granodiorite, indicating the Archaean Kaapvaal TTG as their possible source.Constraints from experimental petrology further suggest the pressure and temperature of this relatively anhydrous (≤1 wt% H 2 O) melting were 2-1 kbar (i.e., ≤7.5 km crustal depth) and 920 C, respectively. As suggested before, the parent magma of the voluminous mafic-ultramafic body (RLS) of the BIC, forming a voluminous magma chamber in shallow crustal depth, provided the heat for this partial melting event.The following igneous event as evident from field description in the literature, our new borehole description and whole-rock chemical data, were a limited chemical

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Petrogenesis of the Huashanguan A-type granite complex and its implications for the early evolution of the Yangtze Block

Cited by 72 publications

References 104 publications

Geochronology and geochemistry ofca. 2.48 Ga granitoid gneisses from theYudongzi Complexin the north‐westernYangtze Block,China

Geochronology and geochemistry ofca. 2.48 Ga granitoid gneisses from theYudongzi Complexin the north‐westernYangtze Block,China

Detrital zircon U–Pb geochronology of early Cretaceous sedimentary rocks in Dingzi Bay and Taolin area from the Sulu Orogen: Provenances and tectonic implications

Geochemical evolution of the Lebowa Granite Pluton in western Bushveld Igneous Complex, South Africa: More insight into the evolution of bimodal A‐type granitoid

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