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The basement of the North China Craton can be divided into the Eastern and Western Blocks and the Central Zone (Trans-North China Orogen). The West Block formed by the amal-gamation of the Ordos Block in the south and the Yinshan Block in the north 1.9—2.0 Ga ago. In 1.8—1.9 Ga, the Eastern and Western Blocks were amalgamated along the Central Zone to form the North China Craton.
The basement of the North China Craton can be divided into the Eastern and Western Blocks and the Central Zone (Trans-North China Orogen). The West Block formed by the amal-gamation of the Ordos Block in the south and the Yinshan Block in the north 1.9-2.0 Ga ago. In 1.8-1.9 Ga, the Eastern and Western Blocks were amalgamated along the Central Zone to form the North China Craton.