Geochemical and Sr–Nd isotopic characteristics of granitic rocks from northern Vietnam

Lan, Ching-Ying; Chung, Sun‐Lin; Shen, Jason Jiun-San; Lo, Ching–Hua; Wang, Pei Ling; Hòa, Trần Trọng; Thanh, Hoang Huu; Mertzman, Stanley A.

doi:10.1016/s1367-9120(99)00063-2

Cited by 97 publications

(64 citation statements)

References 23 publications

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“…In contrast to Lan et al (2000) and previously reported late Jurassic -early Cretaceous ages (see above), Ngoi Thia and Tu Le magmatic rocks have recently been determined as Permian by U-Pb isotopic age dating in zircons from a Ngoi Thia rhyolite …”

Section: Regional Tectonic -Magma Evolutionmentioning

confidence: 73%

“…Nguyen, 1978;Tran et al, 1979;Vu et al, 1989;Nguyen et al, 2000), which also falls in the age interval of Suoi Be complex (176.3 ±0.8, 164 ±0.8, and 117.3 ±0.6 As mentioned above, the  Sr(t) and  Nd(t) , especially the T (DM) of Tram Tau volcanic rocks are much different from those of Mesozoic type-A granite in southwest Yunnan (and elsewhere in northwest Viet Nam) (e.g. Lan et al, 2000after Gilder et al, 1996, Chung et al, 1997. The assumption that late Jurassic -early Cretaceous Tu Le volcanic rocks formed in southwest Yunnan by intraplate extension were transported to NW Viet Nam should be further studied for more evidence.…”

Section: Mantle Source and Magma Genesis In The Tu Le Basinmentioning

confidence: 84%

“…Because the Phu Sa Phin granite and Tu Le rhyolite show  Nd(t=145Ma) between -2.8 and +0.6, and the neodymium model ages (T DM ) between 0.6 and 1.1 Ga, with the Sm varying from 17 to 30 ppm and corresponding Nd varying between 120 and 240 ppm; this plutonic-volcanic association may be produced by intraplate extension in south China (Yunnan) having been transported to the present location by lithospheric extrusion along the ASRRSZ following the collision between India and Eurasia (e.g. Leloup et al, 1995;Chung et al, 1997;Lan et al, 2000;after Tapponnier et al, 1990 andGilder et al, 1996).…”

Section: Regional Tectonic -Magma Evolutionmentioning

confidence: 99%

“…Model ages of the Tu Le rhyolites reported by Lan et al (2000) vary between 0.6 and 1.1 Ga, corresponding to MesoproterozoicNeoproterozoic. This age indicates that the magma was generated by mixing between Emeishan-type mantle source and crustal material having ages from 600 to 1100 million years by intraplate extension following South China and Indochina plate amalgamation dynamics in early Mesozoic (e.g.…”

Section: Mantle Source and Magma Genesis In The Tu Le Basinmentioning

confidence: 99%

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Magma source feature and eruption age of volcanic rocks in the Tram Tau district, Tu Le Basin

et al. 2016

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A set of samples including porphyritic rhyolite, rhyo-trachyte, trachyte and basalt was collected in the Tram Tau district, Tu Le Mesozoic Basin, in NW Viet Nam for analysis for major, trace, elemental and Rb-Sr and Sm-Nd isotopic compositions. The volcanic rocks are alkaline and highly enriched in trace elements including rare earth elements (REEs). However, primitive mantle and chondrite trace element normalized patterns expose strong negative anomalies for Ba, Sr, Eu and Ti, possibly reflecting fractional crystallization of plagioclase (for Sr and Eu), pyroxene, and especially amphibole (for Ba and Ti). The measured Sr ratio of 0.703 would occur, respectively, at 3÷4% and 2÷5% to generate the observed strontium isotopic ratios in the Tram Tau volcanic rocks.

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Section: Regional Tectonic -Magma Evolutionmentioning

confidence: 73%

Section: Mantle Source and Magma Genesis In The Tu Le Basinmentioning

confidence: 84%

Section: Regional Tectonic -Magma Evolutionmentioning

confidence: 99%

Section: Mantle Source and Magma Genesis In The Tu Le Basinmentioning

confidence: 99%

See 2 more Smart Citations

Magma source feature and eruption age of volcanic rocks in the Tram Tau district, Tu Le Basin

et al. 2016

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“…For instance, Li et al (2006) dated calcalkaline granites from Hainan Island and obtained an age of 267-262 Ma. There are massive magmatic activities at that time in the northern Vietnam (Lan et al, 2003;Hoa et al, 2008), which show an intermediate-felsic arc affinity. As shown in Fig.…”

Section: Provenance Of the Penglaitan Group 2 Claystonesmentioning

confidence: 98%

Mineralogy and geochemistry of claystones from the Guadalupian–Lopingian boundary at Penglaitan, South China: Insights into the pre-Lopingian geological events

Zhong

2013

Journal of Asian Earth Sciences

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Subduction initiation of Indochina and South China blocks: insight from the forearc ophiolitic peridotites of the Song Ma Suture Zone in Vietnam

2015

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The Song Ma region, which is located in the northwestern Vietnam represents the zone of amalgamation between Indochina and South China blocks. Numerous scattered ultramafic rocks occur in this region in association with Early to Middle Palaeozoic greenschists and paragneisses, and all these rocks were subjected to hydrous metamorphism and deformation. Here, we present new field data, mineral chemistry and geochemistry from a suite of hydrated peridotites within the Song Ma region and discuss the tectonic significances of the region. We also combine the available data within the Song Ma region and Indochina–South China blocks to discuss the tectonic evolution of the subduction zone. Based on the results, we suggest that the peridotites from the Song Ma are mantle residues that suffered a high degree of partial melting in a forearc tectonic setting. The present data together with the available data within the Song Ma region and the Indochina and South China blocks clearly represent a southward directed Middle Palaeozoic subduction system. The Middle Palaeozoic subduction and accretion events mark the evolutionary history along an active convergent margin between the Indochina and South China blocks, possibly related to the amalgamation of the Pangaea supercontinent. Copyright © 2015 John Wiley & Sons, Ltd.

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Geochemical and Sr–Nd isotopic characteristics of granitic rocks from northern Vietnam

Cited by 97 publications

References 23 publications

Magma source feature and eruption age of volcanic rocks in the Tram Tau district, Tu Le Basin

Magma source feature and eruption age of volcanic rocks in the Tram Tau district, Tu Le Basin

Mineralogy and geochemistry of claystones from the Guadalupian–Lopingian boundary at Penglaitan, South China: Insights into the pre-Lopingian geological events

Subduction initiation of Indochina and South China blocks: insight from the forearc ophiolitic peridotites of the Song Ma Suture Zone in Vietnam

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