Victorian Resources Online (archived)
MM790
| Site: MM790 | Land Unit: Whitehead Creek Basalts |
| Aust. Soil Class.: Ferric, Mottled-Subnatric, Black SODOSOL (confidence level 3) | |
| General Land Unit Description: The undulating rise at Minhamite north of Hawkesdale, consists predominantly of Black Sodosols. Ferromangiferous nodules are abundant, either above the clay subsoil or at depth. |
Site Description:
| Geology: Quaternary basalt | Landform pattern: Undulating rise |
| Position in landscape: Rise / upper slope | Internal drainage: Imperfectly drained |
| A1 | 0-20 cm | Very dark grey (10YR3/2), clay loam, hard setting surface condition, ferromanganiferous nodules are common, pH 5.0. Transition to: |
| Subsoil | ||
| B21 | 20-30 cm | Dark grey (10YR3/2), heavy clay, yellowish brown mottles, strong blocky structure (10-20 mm), many coarse fragments (200-600 mm), many ferromanganiferous nodules, pH 5.6. |
Key profile features:
- Strongly acidic topsoil
- Strong texture contrast between topsoil and subsoil
- Sodic subsoil
- Ferromanganiferous nodules
- Subsoil dispersive when worked when wet
