One sample of ultramafic rock seemed to be a product of Jinningian island arc, which was discovered by drilling in central Tarim.

• 一件晋宁期超基性岩样品显示出岛弧岩浆岩的性质，与塔里木中部地区的闪长岩和花岗闪长岩应同为晋宁期岛弧的记录。