褶皱检验方法是由Graham(1949)首次提出的,后被McElhinny(1964)从统计学的角度加以完善。其基本思路为:若从某一褶皱的两翼测得的岩石原生剩磁方向,其菲舍尔精度参数(Fisher,1953)在进行岩层层面校正以后显著地大于层面校正以前,则认为此剩磁形成于岩层褶皱以前,否则是形成于褶皱以后。尽管McFadden和Jones(1981)证明Mc-Elhinny的判别方法从统计学上讲是不成立的,并提示了一个新的判别方法,但二者的结论往往是一致的。目前前一方法仍在被大多数人所采用。 The fold test method was first proposed by Graham (1949) and later refined by McElhinny (1964) from a statistical point of view. The basic idea is that if the Fischer-Tropsch accuracy parameter (Fisher, 1953) is significantly larger than that before strata correction after stratigraphic correction, the residual remanence Formed before the formation folds, otherwise formed after the folds. Although McFadden and Jones (1981) demonstrated that Mc-Elhinny’s discriminating method was not statistically valid and suggested a new discriminating method, the conclusions of both are often consistent. The former method is still used by most people.