Abnormal high pressure is found from Neogene to Jurassic in Leughu-Nanbaxian strnctural belt in the northern margin of Qaidam basin, and mostly occurs in undercompaction shale.

• 摘要柴北缘冷湖－南八仙构造带从新近系到侏罗系普遍存在异常高压，且通常发育在欠压实泥岩中。