Isotopic dating and regional stratigraphic correlation indicate that the Xigeda Formation is Pliocene-Early Pleistocene sediment.
结合同位素地质年龄，区域对比分析，确认昔格达组属上新世至早更新世沉积。
Large area of potassic volcanic rocks distributed over the Sailipu area of West Gangdis were originally assigned to the Sailipu Group and the age was Pliocene-Early Pleistocene.
冈底斯西段赛利普一带分布有大面积的钾质火山岩，以前曾被划归上新世一早更新世赛利普群。
Their tectonic framework was basically underlain in early Pleistocene or late Pliocene.
它们现在的构造格局基本上是在晚上新世或早更新世奠定的。
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