MM829
| Site: MM829 | Land Unit: Mount Clay Rises |
| Aust. Soil Class.: Ferric, ?, Brown CHROMOSOL (confidence level 4) | |
| General Land Unit Description: This site has been mapped as Tertiary Marl, but it is a basalt soil derived from colluvial wash off Mount Clay. The geology, and hence the soils are very mixed in this area. |
Site Description:
| Geology: Quaternary basalt | Landform pattern: Gently undulating plain |
| Position in landscape: Open depression | Internal drainage: Moderately well drained |
| A1 | 0-30 cm | Very dark greyish brown (10YR3/2) fine sandy loam, pH 5.6. Clear transition to: |
| A2 | 30-50 cm | Yellowish brown (10YR5/4) sandy clay loam, weak blocky structure, ferromanganiferous nodules are abundant. Sharp transition to: |
 | Subsoil | |
| B21 | 50-65 cm | Yellowish brown (10YR5/6) medium clay, red mottles (2.5YR4/6), pH 6.4. Transition to: |
| B22 | 65+ cm | Yellowish brown (10YR5/6) medium clay, red mottles (2.5YR4/6), pH 6.5. |
Key profile features:
- Strong texture contrast between topsoil and subsoil
- Ferromanganiferious nodules are abundant in A2 horizon
- Mottled subsoil
- Subsoil dispersive when worked when wet
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