因为这些碳酸盐可以溶解在酸中，这些岩石能长久保存下来就说明在火星上可能曾经流动着酸性并不太大，更适宜生命存在的水。
Since these carbonates dissolve in acid, the persistence of these mounds indicates that water perhaps less acidic and more favorable for life might have once flowed across Mars.
原岩为一套在裂谷环境下形成的中酸性火山岩及碳酸盐岩。矿体的容矿岩石是镁质大理岩。
The primary rocks are a series of intermediate-acid volcanics and carbonate formed in environment of rift valley.
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