石膏层

两剖面复成分砾岩杂色沉积、泥裂、石膏层等为该区可能存在的干旱气候提供了依据。

The occurrence of variegated polymictic conglomerate sediment , mud cracks , gypsum strata and so on can provide evidences for aridity climate in Western Liaoning .

构造滑脱面主要为西山窑、八道湾组的煤系地层和第三系的石膏层构成一个滑脱体系。

Slippage sections exist mainly in the middle and lower Jurassic coal seam and the Tertiary gypsum stratum . A slippage system is formed with them .

石膏层常发生在洪积扇的上部，稳定的高阶地，时间较长，是一种地质形成物。

The gypsum layer appears commonly in the upper part of alluvial fan and stable high terrace , and has been in the place for long as a result of geological vicissitude .

地震勘探资料显示，各褶皱带前缘活动逆断裂在深部归并于统一的、由寒武系中的石膏层组成的滑脱面。

Depending on the seismic reflection surveys data , the reverse faults on the front of the nappe in Kalpin thrust tectonic zone form an integrate detachment surface in the deep along the gypsum stratum in Cambrian .

文章还探讨了嘉二气藏的形成条件，认为嘉二气藏的形成是受沉积成岩作用、古今构造变迁以及区域石膏层发育等地质因素控制。

Mean while , the occurring conditions of the Jia-2 gas pools have been discussed that these gas pools are controlled by the geological factors of the sedimentation , diagenesis , structural evolution and the development of gypsum strata .

石炭系地层有较高的坍塌压力，若钻井液性能控制不合理会使泥岩互层、膏质泥岩及白色石膏薄互层，水化分散、剥落掉块；

The caving pressure of Carboniferous formation was higher so that the mudstones tend to hydrate , disperse and collapse .

酸化夹石膏油气储层时石膏沉淀的理论探讨

Discussion on the precipitation theory of gypsum in acidizing treatment to the gypsiferous reservoir