The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.
油组主要沉积
和含砾，粒度整体较粗，分选性较好，磨圆度
次
角状为主，石类型为长石屑。
角形的The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.
油组主要沉积和含砾，粒度整体较粗，分选性较好，磨圆度次角状为主，石类型为长石屑。
声
：
例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
