Keywords Piedmont depression;Sedimentary centre;Gas generation centre;Tarim basin;Junggarbasin;Turpan-Hami basin;Coal-formed gas accumulation;Central-Asia gas accumulation domain;

• 山前坳陷;沉积中心;生气中心;塔里木盆地;准噶尔盆地;吐哈盆地;煤成气聚集带;中亚气聚集域;