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uraninite
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沥青铀矿,天然氧化铀
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分类:
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详细解释:
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以下为句子列表:
英文: In the older rocks below these glacial deposits are detrital uraninite and pyrite, two minerals considered evidence for very low levels of atmospheric oxygen.
中文: 这些冰河沉积物下方的较老岩层,是沥青铀矿与黄铁矿碎屑;这两种矿物被认定为大气中氧气极为稀少的证据。
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