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uraninite n.【礦物】晶質鈾礦,瀝青鈾礦;天然氧化鈾。

uranite

In the older rocks below these glacial deposits are detrital uraninite and pyrite , two minerals considered evidence for very low levels of atmospheric oxygen 這些冰河沉積物下方的較老巖層,是瀝青鈾礦與黃鐵礦碎屑;這兩種礦物被認定為大氣中氧氣極為稀少的證據。

Ore minerals in the colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals . 科羅拉多型礦床中的鈾礦物為晶質鈾礦和水硅鈾礦,與之共生的還有釩,銅礦物。