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黑色页岩
[岩] black shale
- 上扬子区的震旦系包括陡山沱组和灯影组，前者包含较多的黑色页岩，而后者则以大套白石岩为特征。
The Sinian System in the Upper-Yangtze region contains the Doushantuo Fm. and the Dengying Fm. the former includes more black shales and the latter is marked by a set of dolomites . - 层序地层格架表明，包含较多的深水黑色页岩系的陡山沱组，代表了大冰期之后的海侵作用的特点；
This sequence-stratigraphic framework indicates several features: The Doushantuo Fm. with more deep-water black shales represents a transgression process after the great glaciation period. - 黑色页岩建造中的贵金属矿床是近年来不断发现的一种新矿床类型，亦是目前非传统矿产资源研究的一个重要内容。
Precious metals deposits associated with black shales is a new type of deposits discovered in recent years, and is also an important aspect of non-traditional mineral resources study.
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