鄂尔多斯盆地及周缘地区上石炭统沉积特征<sup>*</sup>

鄂尔多斯盆地及周缘地区上石炭统沉积特征^*

冯娟萍^1,², 欧阳征健³, 陈全红⁴, 李文厚⁵

Sedimentary characteristics of the upper Carboniferous in Ordos Basin and its adjacent areas

Feng Juan-Ping^1,², Ouyang Zheng-Jian³, Chen Quan-Hong⁴, Li Wen-Hou⁵

延安地区本溪组障壁海岸沉积岩心照片 a—灰白色细粒石英砂岩,障壁岛沉积,本溪组,延223井,2453.01 m;b—碳质泥岩,水平层理,潟湖沉积,本溪组,延107井,2633.5~2639 m;c—灰岩,缝合线构造,潮坪沉积,本溪组,延137井,2962 m