中更新世(Middle Pleistocene)是第四纪冰川更新世中间的一个时期,由1932年国际第四纪会议确定。起讫时间尚无定论。中更新世是全球气候和环境变化的一个重要时期,气候周期转型,全球冰量增加,海平面下降,哺乳动物迁徙或灭绝。
Six major stages of environmental changes in the study area have been identified on the basis of magnetic susceptibility since the past 0.78Ma. There is a general trend towards a colder and dryer climate throuth several fluctuations since the mid-Pleistocene.
3、中更新世以来柴达木盆地西北缘的气候演化经历了6个较大的阶段,气候在波动中趋冷趋干。
参考来源 - 中更新世以来柴达木盆地西北缘气候变化的环境磁学研究·2,447,543篇论文数据,部分数据来源于NoteExpress
沉积时代为中更新世晚期至晚更新世。
Its sedimentary time is around the late stage of Middle Pleistocene to Upper Pleistocene.
最晚自中更新世以来西江河床叠置很明显。
Xijiang riverbed has obviously superimposed since Middle Pleistocene Epoch at latest.
在中更新世早期,阳春地区的岩溶洞穴开始发育。
Inthe early middle pleistocene, the karst caves in Yangchun area began to develop.
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