greywacke

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

为碎屑质，大部分属于杂质砂相。

2.Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.

克孜拉格组原为杂砂，属盆地；卡拉格兹组原为岛弧火山。