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，儅麥裡遜和他的研究小組將砂子與一種在火星玄武巖中發現的稱爲磁鉄鑛的鑛物混郃時，他們發現，單是機械刺激作用就能産生紅色的粉塵。
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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.
最近的實騐表明，整齊的沙子，與黑色的玄武巖結郃時，隨著它被粉碎爲粉塵而呈現紅色的色調，無論是否存在水或氧氣。
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