An additional reason for studying the rocks of Racetrack Playa is that its qualities resemble those at a drying-up lake on Saturn's moon Titan.
之所以研究赛马场盐湖的石头，因为它的情况和土星的卫星Titan(泰坦)上干枯的湖情况相似。
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Sodium carbonate deposits may be classified into three major types, Quaternary salt lake, Quaternarysand-covered playa and Tertiary continental detrital rock, all three having been found in China.