The Mesozoic provenance was mainly the central uplift belt in the north, and secondly the highland in the east and uplift region in the west.
中生代沉积物源主要来自北部的中央隆起带，次为东部高地及西部隆起区；
The Mesozoic provenance was mainly the central uplift belt in the north, and secondly the highland in the east and uplift region in the west.
中生代沉积物源主要来自北部的中央隆起带，次为东部高地及西部隆起区；
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