Table 4 Attribute design of stratigraphic layer entities
Attribute name | Attribute description |
|---|---|
Serial Number | Serial number for a layer, as the only identifier of a layer. |
Unearthed location | The serial number of square unit or trial trench where the stratigraphic layer is unearthed. |
Depth min | The minimum depth of the layer from the ground surface. |
Depth max | The maximum depth of the layer from the ground surface. |
Thickness min | The minimum thickness of the layer. |
Thickness max | The maximum thickness of the layer. |
Composition | Composition of soil in stratigraphic layers. |
Color | Color of soil in stratigraphic layers. |
Texture | Soil texture of stratigraphic layers. |
Period | Stratigraphic chronology. |
Picture | Profile of stratigraphic layers. |
Memo | Other information. |