Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.

与各向同性相差很大的情况往往产生于层，片，某些时候则由于断裂所造成。

Through the bedding distribution statistical analysis, studies the palaeocurrent during sedimentation.

通过对层统，了沉积时古水流方向。