This basin underwent 5 evolution stages including volcanic irruptions and tectonic subsidences under the actions of episodetectonic movements.
在幕式构造作用下，滦平盆地经历了5期火山喷发和构造沉降演化阶段。
2
The area has undergone six stages of tectonic deformation with the second episode of Caledonian Movement (D_2) and the fifth episode of Himalayan Movement (D_5) as the most important ones.
A syn-orogenic uplift-extensional tectonic setting occurs in the late episode of Late Triassic-Early Jurassic, which is characterized mainly by down-faulted basins and tholeiite;