Geochronology, geochemistry, and isotope compositions of “Grenvillian” S-type granites in the North Qinling unit, central China: Petrogenesis and tectonic significance

Wu, Peng; Wu, Yuan–Bao; Zhou, Guangyan; Zhang, Wenxiang; He, Yu

doi:10.1016/j.precamres.2021.106247

Cited by 8 publications

(15 citation statements)

References 140 publications

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“…Probability density distribution (curves) of ages for (a) middle Ordovician samples from Laoshidan (NXWH‐6; Sun & Dong, 2020), Wuhushan (NXS‐64; Sun & Dong, 2020), Zhuozishan (O1ZSOr; Darby & Gehrels, 2006) and Hejin (SHJ02; this study); (b) Mesoproterozoic to Cambrian sandstones of the Ordos Basin (Sun & Dong, 2020) and pre‐Ordovician detrital zircons from the NCB (Xu et al, 2010); (c) basement rocks of the NCB and basement rocks (Wu et al, 2021) around the Wula‐Daqingshan (Sun & Dong, 2019); (d) upper Ordovician samples from Qishan (QSYF; Yang et al, 2016), Qishan (SQS06; this study), Longxian (SLX02; this study) and Longxian (SSY; this study); (e) clastic unit of the Kuanping group (Bai et al, 2021) and clastic unit of the Erlangping group (Yang et al, 2016) and (f) rocks of the Qinling group (Wu et al, 2021) as well as magmatic and metamorphic rocks of the NQA (Shi et al, 2018). …”

Section: Discussionmentioning

confidence: 83%

“…The older zircon grains with ages of ca. 2400 from the Upper Ordovician possibly came from the crystalized basement and the NCB‐derived sandstones (Figure 11b,c), whereas the zircons in ages of ca.1600 Ma came from the NQA (Shi et al, 2018; Wu et al, 2021; Yu et al, 2016; Figure 12f). It is noticeable that the Pingliang turbidites display similar age patterns to those of the clastic units of the Kuanping and Erlangping Complexes (Figure 12e).…”

Section: Discussionmentioning

confidence: 99%

“…These Neoproterozoic granitic rocks can be divided into two stages including ca. (Bai et al, 2021) and clastic unit of the Erlangping group (Yang et al, 2016) and (f) rocks of the Qinling group (Wu et al, 2021) as well as magmatic and metamorphic rocks of the NQA (Shi et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

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Ordovician tectonic transition from passive margin into peripheral foreland in the southern Ordos: A diagnostic insight into the closure of Erlangping Ocean between the North Qinling Arc and North China Block

et al. 2022

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Achieving a reliable closure time of a back-arc ocean is an essential aspect in studies on detailed tectonic processes of an active continental margin and arc-continent collision. This is particularly the case for the northern Qinling Orogen, which records the accretion of the North Qinling Arc (NQA) onto the North China Block (NCB) after the Erlangping back-arc ocean closure. Sedimentological, petrological and geochronological signatures from the Ordovician successions in the southern Ordos reveal a tectonic transition from passive continental margin to peripheral foreland in the southern NCB at the beginning of Katian. Sedimentological and geochronological investigations reveal an abrupt shift of accelerating basin subsidence and deepening at the earliest Katian, separating ca. 300-m-thick shallow-marine carbonate shelf assemblages from overlying ca. 2000-m-thick deep-water carbonate slope and turbidite associations. Zircon age spectra of the Katian turbidites are characterized by early-Palaeozoic and Neoproterozoic age clusters, which are different from those of the Middle Ordovician quartz arenites sourced merely from the NCB basement. Instead, these age patterns match well with those of the coeval successions in the northern NQA, indicating a spatially linked abyssal deposystem. Stratigraphic architecture deciphers a typical foreland basin geometry, involving, from south to north, northward-propagating turbiditic wedge, northward-backstepping carbonate slope and progressively shoaling carbonate platform, embodying foredeep, forebulge and backbulge, respectively. These characteristics of basin-fill evolution reflect the northward migration of the flexural wave as a dynamic response to the northward expansion of the thickened NQA thrust wedge. Together with the other geological and geochronological data, our new insights indicate a southward subduction polarity of the Erlangping back-arc oceanic crust followed by its termination at ca. 450 Ma, which was earlier than that of the main Proto-Tethyan Shangdan Ocean between

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Section: Discussionmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

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Ordovician tectonic transition from passive margin into peripheral foreland in the southern Ordos: A diagnostic insight into the closure of Erlangping Ocean between the North Qinling Arc and North China Block

et al. 2022

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“…1.15 Ga, 0.92–0.89 Ga, 0.85–0.77 Ga and 0.76–0.70 Ga; Kim et al, 2020; Kim et al, 2019 and references therein) and the Nangnim Massif (1.25–1.19 Ga and ca. 900 Ma; Kim et al, 2020; Park et al, 2016; Wu et al, 2007; Zhao et al, 2006) of the Korean Peninsula, and the NQT (1753–833 Ma; Bai et al, 2021; Diwu et al, 2010; Dong et al, 2014; He et al, 2007; Shi et al, 2013; Su et al, 2013; Wu et al, 2021; Yang et al, 2010; Zhang et al, 2015; Zhu, Wang, Ma, et al, 2020), considered to represent a proximal source for the Early Neoproterozoic successions in the Korean Peninsula (Kim et al, 2019) and the NQT (Diwu et al, 2014; Shi et al, 2018). These magmatic records (expect for 1.70–1.65 Ga and ca.…”

Section: Discussionmentioning

confidence: 99%

“…The NQT was once a portion of the Grenvillian orogenic belt during ca. 1.2–0.8 Ga (Diwu et al, 2014; Wu et al, 2021). Therefore, a Grenvillian orogen extending from the NQT to the central Korean Peninsula, now largely concealed or vanished, is proposed as the proximal and/or distal provenances of the Late Mesoproterozoic to Early Neoproterozoic strata in the southeastern NCC (Li, Jia, et al, 2020; Li, Jiang, et al, 2021; Li, Zhao, Li, et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Mesoproterozoic–Neoproterozoic chronostratigraphic framework and provenance analysis in the southeastern North China Craton and its tectonic significance

et al. 2023

Geological Journal

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The Sishilichangshan area of southwestern Xuhuai Basin, located in southeastern North China Craton (NCC) and to the north of the Qinling–Dabie Orogenic belts, is a key, optimal area to study the regional evolution of the NCC because of its stratigraphic differences within the NCC. An integrated approach of the field investigation, element geochemistry, and detrital zircon U–Pb–Hf isotope analysis reveals essential information on the Mesoproterozoic–Neoproterozoic tectonic‐sedimentary evolution of the Xuhuai Basin. The youngest graphical peak ages of detrital zircons from the Shouxian Formation at the top of the Bagongshan Group, the Jiuliqiao Formation at the bottom of the Huainan Group, and the Anyangshan Formation are 1003 ± 25 Ma, 991 ± 80 Ma, and 832 ± 23 Ma, respectively. New age constraints and stratigraphic correlations show that the traditional Neoproterozoic strata in the southern Xuhuai Basin consist of Late Stenian to Early Tonian Bagongshan and Huainan groups, and the Late Tonian Anyangshan Formation, which overlapped unconformably with mid‐late Ediacaran or Cambrian Series 2 strata. The Anyangshan Formation is first termed in this study, and its equivalent strata occur sporadically in the southeastern, southwestern and northwestern NCC. The Tonian Shouxian, Jiuliqiao, and Anyangshan formations are characterized by detrital zircons of multi‐stage Mesoproterozoic ages and predominantly positive εHf(t) values, with differences in mineral composition, whole‐rock geochemistry, and the Early Neoproterozoic detrital zircon age population. Their possible provenance was a Grenvillian orogen extending from the North Qinling Terrane (NQT) to the central Korean Peninsula, supporting Late Mesoproterozoic to Early Neoproterozoic initial accretion related to the continental arc between the NCC and NQT. Tectonic transition from Late Stenian to Early Tonian (~1.18–0.94 Ga) collisional basin to mid‐late Tonian (0.94–0.74 Ga) rift basin is interpreted as the response of the NCC to the assembly and extension of the Rodinia Supercontinent.

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Provenance transition of the Mesoproterozoic–Neoproterozoic Xuhuai Basin: Constraining the accretion of the Northern Qinling Terrane with the North China Craton

et al. 2023

Journal of Asian Earth Sciences

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Geochronology, geochemistry, and isotope compositions of “Grenvillian” S-type granites in the North Qinling unit, central China: Petrogenesis and tectonic significance

Cited by 8 publications

References 140 publications

Ordovician tectonic transition from passive margin into peripheral foreland in the southern Ordos: A diagnostic insight into the closure of Erlangping Ocean between the North Qinling Arc and North China Block

Ordovician tectonic transition from passive margin into peripheral foreland in the southern Ordos: A diagnostic insight into the closure of Erlangping Ocean between the North Qinling Arc and North China Block

Mesoproterozoic–Neoproterozoic chronostratigraphic framework and provenance analysis in the southeastern North China Craton and its tectonic significance

Provenance transition of the Mesoproterozoic–Neoproterozoic Xuhuai Basin: Constraining the accretion of the Northern Qinling Terrane with the North China Craton

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