黏质粉土夹黏土（Q 3 2-2al-l ）：灰绿~草黄色，很湿，中密，

Clayey soil with clay powder (Q 3 2-2al-l): ~ glaucum straw yellow, very wet, medium dense, iron oxide-containing substance spots and ferromanganese tuberculosis, local folders for the sandy silt clay, clay mostly hard plastic. Cut rough dull, dry strength, low toughness, shaking the reaction medium.

Clay powder clay sandwich clay (Q 3 2-2al-l): gray-green to grass yellow, very wet, medium dense, containing iron oxide spots and ferromanganese nodules, local sand powder clay, clay is hard-plastic. The cut surface is rough and matte, dry strength, low toughness, and the vibration reaction is medium.

Clayey silt mixed with clay (q32-2al-l): grayish green to straw yellow, very wet, medium dense, containing iron oxide spots and ferromanganese nodules, locally Sandy Silt Mixed with clay, clay is mostly hard plastic. The section is rough and lusterless, with low dry strength and toughness and moderate shaking response.