the thrust of one series of rock strata over another, especially along a fault line at a shallow angle to the horizontal 逆掩断层(尤指上冲断层)
(past and past participle -thrust)
[with obj.]force (a body of rock) over another 使(岩层)逆掩运动 [as noun overthrusting]the increased overburden resulting from overthrusting. 逆掩运动造成覆盖岩层的增加。 ■(of a body of rock) be forced over (another formation) (岩层)逆掩(另一岩组) the shales are overthrust by Carboniferous rocks. 页岩层被石炭层逆掩。