摘要
目前我国已报导的风暴沉积时代可追溯到晚元古代。本文进一步提出了蓟县地区中元古界雾迷山组中存在着风暴沉积的证据。雾迷山组风暴沉积主要发育在正常浪基面之下的近源浅海盆地相及缓斜坡带之上。该组风暴沉积的一个显著特征是,与重力流或浊流活动有着密切的成因联系,其剖面结构多属不完整型及复合型。
At present,the age of storm deposits reported in China may be traced back to late proterozoic. This paper, however, presents evidence of the presence of storm deposits in the middle Proterozoic Wumishan Formation in the Jixian area.The storm deposits are mainly developed in the proximal shallow-sea basin facies and gentle slope zone below the normal wave base. A distinctive feature of the storm deposits of this formation is that they have a close genetic relation with gravity flow and turbidity current activity. The srructure of the section is mostly of incomplete type and composite type.
出处
《中国区域地质》
CSCD
1990年第1期40-45,共6页
Regional Geology of China
