The Late Yanshanian extensional environment gave rise to detachments,including peel thrusts, at various tectonic levels on both sides of the deep faultbelt or rift belt.

• 燕山晚期的拉张构造环境,在深断裂带或裂陷带两侧形成了各种不同层次的拆离滑脱,包括剥离断层。