One particular location where the opaline silicates were found was the large canyon system Valles Marineris.
发现蛋白石硅酸盐的一个特殊地点是大型山谷系统——水手谷。
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These opaline silicates were detected by MRO's Compact Reconnaissance Imaging Spectrometer for Mars and are the youngest of the three types of hydrated minerals.