1、Ice age refers to the latest glacial epoch.
2、The glacial epoch lasted for thousands of years.
3、The climatic evolution since the late glacial epoch in the Zoigê area reflected by sporopollen records may be well correlated with the global climate change.
4、Occurring between glacial epochs.
5、Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
6、The glacial epochs are characterized by great mountain glaciers, ice caps, piedmont glaciers and medium- to small-scale valley glaciers.
