Two series of black shales, representing the deep water deposit, are widely distributed in Qiangtang area , northern Tibet, which becomes a hot topic of Qiangtang basin study.
藏北羌塘地区出现了两套代表深水相沉积的黑色岩系，成为该区研究中的又一热点。
Two series of black shales, representing the deep water deposit, are widely distributed in Qiangtang area , northern Tibet, which becomes a hot topic of Qiangtang basin study.
藏北羌塘地区出现了两套代表深水相沉积的黑色岩系，成为该区研究中的又一热点。
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