岩屑

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和海相海绿石。

They mainly consist of sandstone,in which quartzarenite and litharenite are dominant and arkose is lack.

岩以岩类为主，其又以石英岩类和岩岩类为主，缺少长石岩类。

The flowline for air or gas drilling.

Blooie line（气体钻井的排岩）.

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.

组主要沉积岩和含砾岩，粒度整体较粗，分选性较好，磨圆度以次棱角状为主，岩石类型为长石岩岩。