According to the analysis of Mesozoic and Cenozoic tectonic evolution, Bohai Bay basin is a strike slip pull apart basin formed in the Cenozoic Eocene epoch.
从渤海湾盆地的中、新生代构造演化分析，渤海湾盆地是一个新生代早第三纪始新世形成的走滑拉分盆地。
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.
孢粉记录所反映的若尔盖地区晚冰期以来的气候演化与全球气候变化具有较好的可比性。
The process of paleogeographic evolution in this area is from land of pleistocene epoch to ingression of holocene epoch, then to littoral circumstances of today.
本区古地理的演变过程是：由更新世的陆地环境，经过全新世的海侵，变为现今的滨海环境。
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