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Across the southern highlands of Mars, app … Across the southern highlands of Mars, approximately 640 sites of chloride-bearing deposits have been identified using the Thermal Emission Imaging System (THEMIS). These isolated, irregularly shaped patches (approximate size range of 0.33 – 1300 km2, with an average size of 24 km2) have been dated to the older geologic periods on Mars: Noachian (4.5 – 3.5 billion years ago) and Hesperian (3.5 – 2.9 billion years ago) periods. On Earth, chlorides are known to form through aqueous processes. Similar processes are expected to be responsible for the formation of chloride deposits on Mars. The finding of these deposits is significant in that it provides further evidence for the presence of surface or subsurface water in ancient Mars.rface or subsurface water in ancient Mars.
, 在火星南部高地各处，通过热辐射成像系统已确定了约640处含有氯沉积物的位置。这些孤立、形状不规则的地块（面积约为0.33-1300公里2，平均面积为24公里2）可以追溯至火星上更古老的地质年代：诺亚纪（45-35亿年前）和赫斯珀里亚纪（35-29亿年前）。在地球上，氯化物是通过水的作用而形成，估计火星上氯化物沉积物的形成也是类似的过程。这些沉积物的发现意义重大，因为它提供了古代火星存在地表或地下水的进一步证据。
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在火星南部高地各处，通过热辐射成像系统已确定了约640处含有氯沉积物的位置。这些孤立、形状不规则的地块（面积约为0.33-1300公里2，平均面积为24公里2）可以追溯至火星上更古老的地质年代：诺亚纪（45-35亿年前）和赫斯珀里亚纪（35-29亿年前）。在地球上，氯化物是通过水的作用而形成，估计火星上氯化物沉积物的形成也是类似的过程。这些沉积物的发现意义重大，因为它提供了古代火星存在地表或地下水的进一步证据。
, Across the southern highlands of Mars, app … Across the southern highlands of Mars, approximately 640 sites of chloride-bearing deposits have been identified using the Thermal Emission Imaging System (THEMIS). These isolated, irregularly shaped patches (approximate size range of 0.33 – 1300 km2, with an average size of 24 km2) have been dated to the older geologic periods on Mars: Noachian (4.5 – 3.5 billion years ago) and Hesperian (3.5 – 2.9 billion years ago) periods. On Earth, chlorides are known to form through aqueous processes. Similar processes are expected to be responsible for the formation of chloride deposits on Mars. The finding of these deposits is significant in that it provides further evidence for the presence of surface or subsurface water in ancient Mars.rface or subsurface water in ancient Mars.
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火星上的含氯沉积物
, Chloride-bearing deposits on Mars
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