Diabase-porphyrite was the splitting product of passive margin of GondwanaContinent in Late Jurassic.
辉绿玢岩是冈瓦纳被动陆缘在晚古生代裂解的产物。
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The paleogeography was dominated by the supercontinent of Gondwana to the south, the continent of Siberia to the north, and the early formation of the small supercontinent of Euramerica in between.