Tourmaline and quartz in the igneous and metamorphic rocks of the Tashisayi granitic batholith, Altyn Tagh, northwestern China: Geochemical variability constraints on metallogenesis,Lithos

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Tourmaline and quartz in the igneous and metamorphic rocks of the Tashisayi granitic batholith, Altyn Tagh, northwestern China: Geochemical variability constraints on metallogenesis
Lithos ( IF 3.5 ) Pub Date : 2021-07-16 , DOI: 10.1016/j.lithos.2021.106358
Tao Hong _{1,

2,

3} , Ming-Guo Zhai _{3,

4,

5} , Xing-Wang Xu _{3,

5,

6} , Hang Li ₃ , Chu Wu ₇ , Yin-Ce Ma ₃ , Lei Niu ₃ , Qiang Ke ₃ , Cheng Wang _{1,

2}

Affiliation

This study examines five rock units related to the Tashisayi chrysoberyl-bearing granitic batholith, Altyn Tagh, NW China: biotite granite, two-mica granite, muscovite granite, granitic pegmatite, and the surrounding biotite plagiogneiss. Three types of tourmalines and quartz are described, occur in the biotite plagiogneiss (Tur-1, Qtz-1), granitic rocks (two-mica granite [Tur-2a, Qtz-2a] and muscovite granite [Tur-2b, Qtz-2b]), and granitic pegmatite (Tur-3 and Qtz-3; tourmaline and quartz coexisting with chrysoberyl). Zircon UPb dating of the muscovite granite and granitic pegmatite yielded ages of 490–486 Ma for the Tashisayi batholith.

更新日期：2021-07-16

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