51. The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.
伊格尔
岩的下部单元是分选良好的岩屑质和海相海绿石质。
51. The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.
伊格尔岩的下部单元是分选良好的岩屑质和海相海绿石质。
They mainly consist of sandstone,in which quartzarenite and litharenite are dominant and arkose is lack.
碎屑岩以岩类
，其中又以石英岩类和岩屑岩类，缺少长石岩类。
The flowline for air or gas drilling.
Blooie line（气体钻井的排岩屑管）.
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.
中油组要沉积中岩和含砾中岩，粒度整体较粗，分选性较好，磨圆度以次棱角
，岩石类型长石岩屑岩。
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