英语词汇“biogenic chert”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	biogenic chert
释义	biogenic chert biogenic chert [¦bī·ō¦jen·ik ′chərt] (petrology) Chert derived from the tests of pelagic silica-secreting organisms, particularly diatoms and radiolarians.
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