英语词汇“banded iron formation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	banded iron formation
释义	DictionarySeejaspilite banded iron formation banded iron formation [¦band·əd ′ī·ərn fȯr‚mā·shən] (geology) A sedimentary mineral deposit consisting of alternate silica-rich (chert or quartz) and iron-rich layers formed 2.5-3.5 billion years ago; the major source of iron ore. AcronymsSeeBIF
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