A number of suites of Carboniferous, middle-lower Jurassic and lower Cretaceous hydrocarbon source rocks were developed in the basin groups in the Paleo-Asian and Tethyan structural confluence area.

• 古亚洲与特提斯构造交汇带盆地群发育石炭系、侏罗系(中下统)、白垩系(下统)等多套烃源岩,具有厚度大、分布广、有机质丰度高的特点。