| | Main strata | Features |
| | Silty soil | Light grey, dark grey, saturated, plastic flow to soft plastic condition, contains minor organic matter and humus layer, multisandwich thin layer of fine. The luster reaction is smooth with no shaking reactions. High dry strength and high toughness. |
| | Silt | Grey, slightly dense to medium dense, the main composition id Quartz sand silt, with minor clay. |
| | Medium to coarse sand | Grey, grey colour, saturated, slight to medium dense. Main composition are Quartz sand and it contains minor clay. |
| | Cohesive soils | graphite, grey, light grey, grayish yellow, plastic to hard plastic, minor amount of slightly shiny shake reaction, medium dry strength, medium toughness. |
| | Argillaceous siltstone | Dark grey, powder grain, layer structure, argillaceous cement fractures are developed and cores are in short columns. |
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