Petrogenesis of Early Cretaceous mafic dikes in southeastern Jiaolai basin, Jiaodong Peninsula, China

Liang, Yayun; Liu, Xuefei; Chen, Qin; Li, Yan; Chen, Jing; Jiang, Jieyan

doi:10.1080/00206814.2016.1213666

Cited by 30 publications

(13 citation statements)

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“…Candidates for ultramafic-mafic magmas and crust-derived felsic magmas are most plausibly represented by the Cretaceous mantle-derived arc-like mafic dikes (130-110 Ma) (Liu et al, 2009;Cai et al, 2013Cai et al, , 2015Ma et al, 2014;Liang et al, 2016) those of high-Mg diorite dikes in this study, and don't show the tendency of magma mixing ( Fig. 10).…”

Section: Origin Of the High-mg Diorite Dikesmentioning

confidence: 73%

“…Mesozoic intrusions in the Jiaodong Peninsula can be divided into four suites: (1) the Late Triassic syenite, such as Jiazishan intrusion, which is only found in the easternmost Jiaodong Peninsula (215-209 Ma, LA-ICP-MS zircon U-Pb age, Chen et al, 2003); 2 (Fig. 1b) (Tan et al, 2008;Liu et al, 2009;Cai et al, 2013, A C C E P T E D M A N U S C R I P T 8 2015; Ma et al, 2014Ma et al, , 2016Deng et al, 2017;Liang et al, 2017). Two types of mafic dike have been identified, those derived from enriched lithospheric mantle (arc-like type with enrichment in LILE and LREE but depletion in HFSE; 130-110 Ma) (Liu et al, 2009;Cai et al, 2013Cai et al, , 2015Ma et al, 2014;Deng et al, 2017;Liang et al, 2017) and those derived from asthenospheric mantle (OIB-like type with no depletion in HFSE and enrichment in LREE;…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…9a and 16), indicating more influx of mantle components into crust-derived melts. It has been studied that there are a large number of mafic dikes which derived from lithospheric mantle and emplaced into Jiaodong Peninsula at early Cretaceous (130-110 Ma) (Liu et al, 2009;Cai et al, 2013Cai et al, , 2015Ma et al, 2014;Deng et al, 2017;Liang et al, 2017). The underplating of these mafic magmas likely induced the interaction between crust-derived melt and mafic magma.…”

Section: Nature Of Mantle Sourcementioning

confidence: 99%

“…Widespread Early Cretaceous mafic-intermediate-felsic dikes at Jiaodong offer a ideal opportunity to probe the deep tectonic evolution and its driving forces (Deng et al, 2017). However, previous studies in the Jiaodong Peninsula mainly focused on the Early Cretaceous mafic dikes for revealing the nature of mantle (Liu et al, 2009;Guo et al, 2014;Ma et al, 2014Ma et al, , 2016Cai et al, 2015;Deng et al, 2017;Liang et al, 2017), and only a few researches referred to the intermediate-felsic dikes (Tan et al, 2007(Tan et al, , 2008Cai et al, 2013Cai et al, , 2015. The intermediate-felsic dikes could also provide significant…”

Section: Introductionmentioning

confidence: 99%

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Petrogenesis of Early Cretaceous intermediate-felsic dikes in the Jiaodong Peninsula, south-eastern North China Craton: Constraints from geochronology, geochemistry and Sr-Nd-Pb-Hf isotopes

et al. 2018

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Early Cretaceous dike swarms are widely developed in the Jiaodong Peninsula, NE China. In this study, we newly investigated the spatial-temporal distribution, petrography, geochronology and whole-rock geochemistry of the intermediate-felsic dikes from the Jiaobei terrain and the Sulu orogenic belt in the Jiadong Peninsula. The zircon U-Pb dating has constrained the timing of the emplacement of intermediate-felsic dikes to 128-108 Ma. The quartz diorite dikes in Jiaobei show adakitic geochemical features, including high SiO 2 (66.3-67.5 wt.%) contents and high Sr/Y (76-149) and La/Yb (41-91) ratios. The combination of a series of isotopic data, including initial 87 Sr/ 86 Sr ratios (0.7098-0.7104) and negative ε Nd (t) (-20.1 to-14.7) and zircon ε Hf (t) values (-19.9 to-9.5), indicates that these quartz diorite dikes were likely derived from partial melting of thickened ancient lower crust with involvement of underplated mafic magmas. Additionally, the diorite dikes in Jiaobei and those in Sulu show similar chemical compositions, as both yield the high-Mg andesite (or andesitic rocks) (HMAs) characteristics with a high Mg # value (60-72), high MgO, Cr, and Ni contents, and low Na 2 O (average = 3.25 wt.%) contents. They also exhibit crustal geochemical signatures, such as depletion in Nb, Ta, and Ti, but enrichment in Th and U; high initial 87 Sr/ 86 Sr ratios (0.7063-0.7094), and low ε Nd (t) (-16.7 to-9.6) and ε Hf (t) values (-29.4 to-9.8). The entire geochemical evidences imply that they derived from the partial melting of mantle wedge peridotite metasomatized by hydrous fluids from the subduction of the oceanic slab with marine sediments. In combination with the Early Cretaceous intrusions and mafic dikes at Jiaodong, the intermediate-felsic dikes represent a magmatic response to lithospheric thinning resulted from the prolonged thermo-mechanical-chemical erosion processes caused

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Section: Origin Of the High-mg Diorite Dikesmentioning

confidence: 73%

Section: Accepted Manuscriptmentioning

confidence: 99%

Section: Nature Of Mantle Sourcementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Petrogenesis of Early Cretaceous intermediate-felsic dikes in the Jiaodong Peninsula, south-eastern North China Craton: Constraints from geochronology, geochemistry and Sr-Nd-Pb-Hf isotopes

et al. 2018

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“…130 Ma. Liang et al () studied four Early Cretaceous mafic dikes aged at ~126 Ma in south‐eastern Jiaolai Basin and found that those mafic dikes resemble the ARC‐like dikes in Jiaodong Peninsula (Cai et al, ; Guo, Fan, Wang, & Zhang, ; Liu et al, ; Tan et al, ). OIB‐like mafic rocks were locally found in north‐west Jiaodong Peninsula (L. Ma et al, ; L. Ma et al, ).…”

Section: Discussionmentioning

confidence: 99%

The Early Cretaceous sedimentary‐tectonic attributes of Lingshan Island Basin, East Shandong Province, China: Constraints from the chemical compositions of detrital heavy minerals

Gao

Zhong

2019

Geological Journal

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North China Craton experienced significant lithospheric destruction or delamination during the Late Mesozoic, accompanied with the emergence of numerous basins and intensive volcanism. Extensional basins also formed in East Shandong Province.Even though they have been studied for decades, the relationship between basin development and tectonic processes still remains obscure. Recently, a set of Early Cretaceous strata has been found in Lingshan Island. It is characterized by translating from turbidite deposits to terrestrial strata units and ending up with a unique volcaniclastic layer within a relatively short time span. Previous studies have reached an agreement that Lingshan Island strata are formed in a distinct sedimentary background compared with the coeval sedimentary units in Jiaolai Basin. Essential information about basin development and its tectonic setting in this region during Early Cretaceous are preserved in Lingshan Island strata. In this study, it shows the characteristics of heavy mineral assemblage and the characteristics of detrital minerals' chemical component in the two representative samples. Based on these studies, itindicates that Lingshan Island Basin was developed in a transpressional tectonic setting with complex source materials, mainly from Qianliyan Uplift during the period ca. 123-120 Ma. Then, the basin evolved within an extensional setting and was filled with locally derived clastics during 120 to 105 Ma. In addition, the basin evolved during the process of progressive lithospheric thinning and asthenosphere upwelling.

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Introduction

Liang

2021

Mineral Micro-Geochemistry Constraints on Petrogenesis and Genesis of Gold Deposit

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Petrogenesis of Early Cretaceous mafic dikes in southeastern Jiaolai basin, Jiaodong Peninsula, China

Cited by 30 publications

References 110 publications

Petrogenesis of Early Cretaceous intermediate-felsic dikes in the Jiaodong Peninsula, south-eastern North China Craton: Constraints from geochronology, geochemistry and Sr-Nd-Pb-Hf isotopes

Petrogenesis of Early Cretaceous intermediate-felsic dikes in the Jiaodong Peninsula, south-eastern North China Craton: Constraints from geochronology, geochemistry and Sr-Nd-Pb-Hf isotopes

The Early Cretaceous sedimentary‐tectonic attributes of Lingshan Island Basin, East Shandong Province, China: Constraints from the chemical compositions of detrital heavy minerals

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