- cordierite norite
- 董青苏长岩
English-Chinese geology dictionary (英汉地质大词典). 2013.
cordierite norite
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Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
