basalt sand

基本解释

But when Merrison and his team mixed sand with a mineral called magnetite, found in Martian basalt, they found that mechanical stimulation alone produced a fine red dust.
但是，当麦里逊和他的研究小组将砂子与一种在火星玄武岩中发现的称为磁铁矿的矿物混合时，他们发现，单是机械刺激作用就能产生红色的粉尘。
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Recent experiments show that regular sand, when combined with black Martian basalt, takes on a reddish hue as it's crushed into dust, whether or not water or oxygen is present.
最近的实验表明，整齐的沙子，与黑色的玄武岩结合时，随着它被粉碎为粉尘而呈现红色的色调，无论是否存在水或氧气。
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