synclinal mountain

By analyzing various indicators such as conjugated shear joins,tension fissures and small folds,the article reconstructs the main four episodes of structural stress field late Palaeoznic in Jinzhushan syncline,and discusses the process of formation and evolution of the syncline.

根据共轭剪、张节理和小褶皱发育特征的综合研究，本文恢复了金竹山向斜晚古生代以来的主要４期构造应力场，探讨了该向斜的形成和演化过程。

It was found in the research of Yuanguyu Buried Hill in Damintun Depression of Liaohe Oilfield that they belonged to internal episodic synclinal buried hills.

前人对潜山油气藏做了大量研究,但是对向斜型潜山却很少有报道,对成藏特征分析未见文献报道,笔者在对辽河大民屯凹陷元古宇潜山研究时发现它们都属于内幕向斜型潜山,系统阐述了向斜型潜山的确定依据,并分析了成藏条件,指出了向斜型潜山除具有一般潜山油气藏特征外,还具有独特的成藏特征,即具有多层系含油和翼部成藏的特点,内幕向斜型潜山的提出,丰富了我国潜山成藏理论,扩大了潜山勘探领域。