柴达木盆地北缘构造型式及油气勘探前景

对柴达木益地北缘（简称柴北缘）地区的构造形式式，包括其发育背景、发育的几何扩展方式，以及平面、剖面展布特征及其分带性进行了研究，对主干递冲断裂带及其间的逆冲推覆体带、逆冲席带和低应变区的特征进行了详细描述。通过时外观察和室内构造及演来研究推覆构造带的发展演变模式及形成机理，指人逆冲推覆构造带和隐伏递冲前缘带是最有利的油气勘探目标。

STRUCTURAL STYLE AND HYDROCARBON EXPLORATION PROSPECT IN THE NORTHERN MARGIN OF CHAIDAM BASIN

A research has been performed on the structural style in the northern margin of Chaidam basin, with analyses made on the formative background, patterns of geometric spreading in the plane and in the section, and zonation of the structural features. The main thrust-slip fault belts and the nappe structure zones, thrust sheets and low strain regions lying in between the main thrust-slip fault belts are described in detail. Field observations and experimental modeling have been used to deduce the origination-evolution mode and formative mechanism of the nappe structures. It is pointed out that the thrust nappe structure belts and the hidden thrust fore-borderlands are favorable prospects for hydrocarbon exploration in the area.