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Ophiolit zone of Thai Nguyen - Cao Bang

Văn Đức Chương, Trần Văn Thắng, Văn Đức Tùng, Phan Doãn Linh, Lê Triều Việt


Ophiolit zone of Thai Nguyen - Cao Bang started from the border of Vietnam with China, then stretched in passing Cao Bang - Dong Khe - Sac
Can - to Thai Nguyen. The structure of the ophiolit zone devided into five complex :
- Dunite - serpentinit - peridotite complex,
- Folliation gabros complex,
- Gabros - diabaz complex, ·
- Bazan toleit complex,
- Sediment of marginal complex.
The formation of Ophiolit zone occurred in the begining
Permi and ending in the late of Triassis by over
slip of Eurasian plate over Song Hien marginal sea.

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Vietnam Journal of Earth Sciences, ISSN: 0866-7187; 2615-9783

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