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本文所述的新疆北部,系指塔里木地台北缘以北(不包括阿尔泰地区)的新疆北部地区,包括塔里木北缘地洼系的库鲁克塔格地穹列、柯坪地穹列、库车地洼列、天山地洼区及准噶尔地洼区(见附图)。塔里木地区是后晋宁地台区,其北天山及准噶尔是后海西地台区。经过一段时间的稳定后,本区开始了新的大地构造发展阶段——地洼活化阶段,但在大地构造发展历史和地洼构造型式上与华南区有很大的差别。
The northern part of Xinjiang, as used herein, refers to the northern Xinjiang region to the north of the northern margin of the Tarim platform (excluding the Altai region), including the Kuruktag Geoden Arch, Kepingdi Dome, Car depressions, Tianshan depression and Junggar depression (see photo). The Tarim area is after the Jinning Terrace area, the North Tianshan and Junggar is the Houhai West Terrace area. After a period of stabilization, the district started a new stage of geotectonic development - the diwa activation stage. However, there is a great difference between the tectonic history of the tectonic evolution and the structural pattern of Diwa with that of southern China.