Victorian Resources Online (archived)
MM592
| Site: MM592 | Land Unit: Glenthompson Duricrust |
| Aust. Soil Class.: Ferric, Mottled-Mesonatric, Brown SODOSOL(confidence level 3) | |
| General Land Unit Description: This soil type is the major soil type of the gently undulating plains, rises and low hills of the duricrust surface around Glenthompson. The subsoils tend to be sodic which along with the ferruginous nodules, are a restriction to land use. A minor soil type is a Ferric Brown Chromosol, which may be sodic at depth. |
Site Description:
| Slope: <2% | Geology: Cainozoic duricrust |
| Landform pattern: Gently undulating plains and rises | Position in landscape: Broad crest |
| Internal drainage: Moderately well drained |
| A1 | 0-15 cm | Dark brown (10YR3/3) clay loam, ferruginous nodules are common, pH 4.5. Clear transition to: |
| A2 | 15-45 cm | Pale brown (10YR6/3) silty clay loam, conspicuously bleached (10YR8/1) when dry, ferruginous nodules are abundant. Sharp transition to: |
| Subsoil | ||
| B21 | 45-60 cm | Yellowish brown (10YR5/4) medium clay, faint yellowish brown mottles (10YR5/8), ferruginous nodules are abundant. Clear transition to: |
| B22 | 60-100+ cm | Light yellowish brown (2.5Y6/4) heavy clay, moderate blocky structure (10-20 mm). pH 7.2 |
Key profile features:
- Bleached A2 horizon
- Strongly acidic topsoil
- Deeper subsoil dispersive when dry
- Ferruginous nodules are abundant in A2 horizon
