计算伸展断层底界面深度的作图法简介

CONSTRUCTION METHOD CALCULATING THE DEPTH OF DETACHMENT FAULT BENEATH THE NORMAL FAUITS IN CONTINENTAL EXTENTIONAL TECTONIC AREA

本文简介了计算正断层底界滑脱面深度的3种几何作图法。其中,M.W.Kilsdonk(1989)在Davison(1985)方法基础上作出的修正方法,简便且较准确。运用这种方法计算的鲁西地区深层次滑脱面深度与壳内低速层深度吻合。

Three construction methods calculating the depth of detachment fault beneath the normal faults are discussed in the paper. One of them is M. W. Kilsdonk's (1989) method, which is a modified version of Davison' s method (1985). It is simple and accurate. The depths of detachment faults determined with this method in Western Shandong are concurrent with the depths of the crustal low-speed layer.