Compared to supersequence boundaries, the depositional hiatus at sequence boundaries is shorter and sequence boundaries are not compatible with lithostratigraphic unit boundaries.

积界积间断的时间相对超界要短，与岩石地单位界往往不一致。

Nonmarine sequence stratigraphy is used to analyze Jurassic depositional sequences in Tu-ha basin, and three sequences and one supersequence are divided in this paper.

本文应陆相地学方法对吐哈盆地侏罗系积进行了综合分析，划分出三和一超。