1.The sediments are detrital and largely of greywacke facies.

1.沉积岩为碎，部分属于杂砂岩相。

2.Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

2.海绿、碳酸盐骨骸碎、海相化和胶磷矿普遍出现。

3.The albite component increases while anorthic component decreases in detrital plagioclase.The plagioclase turned into an end - member component of albite.

3.斜碎中组分逐渐增多，钙组分逐渐减少，最终形成纯端元的。