Titlebook: Intraplate Magmatism and Metallogeny of North Vietnam; Hoa Trong Tran,Gleb V. Polyakov,Dung Thi Pham Book 2016 Springer International Publ

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Permian – Triassic Magmatic Activity in the Song Da Structureypes. Low-Ti, high-Mg volcanic and sub-volcanic rocks are composed of komatiite, komatiitic basalt and basalt and are divided into three groups according to their petrological and geochemical features. Chemical composition of rocks of the komatiite-basalt association is alkali-low (but rather Na-hig

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Permian – Triassic Pluton – Volcanic Magmatic Associations in the Song Hien Structure, Northeast Viet of Lang Son province; with a total length about 200 km the structure divides the Ha Lang belt to the northeast and Phu Ngu belt in the south and southwest. Permian – Triassic magmatism comprises pluton-volcanic felsic and mafic bimodal magmatic associations, including basalt, gabbrodolerite – dole

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Gabbro and Syenite Intrusions in the Lo Gam Structure, Northeast Vietnamrusive blocks. The studies have also revealed that gabbro – syenite magmas in folded structures around southeastern margin of the Song Chay anticlinoria form three association types distinguished by their co-existing mineral assemblages, mineralogical compositions and geochemical indexes (titanium c

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