Victorian Resources Online (archived)
MM506
| Site: MM506 | Land Unit: Lake Keilambete |
| Aust. Soil Class.: Bleached-Mottled, ?, Black CHROMOSOL (confidence level 3) | |
 | General Land Unit Description: The gently undulating rises around Lake Keilambete, near Terang, consist of Ferric Black Chromosols. Sunflowers are successfully grown in this unit. There may be minor occurrences of friable Black Chromosols on the higher portions of the maar rim. |
Site Description:
| Geology: Quaternary basalt | Landform pattern: Gently undulating plains |
| Position in landscape: Mid slope | Internal drainage: Imperfectly drained |
| A1 | 0-20 cm | Very dark greyish brown (10YR3/2) clay loam, massive structure, firm consistence when dry, pH 5.6. Clear transition to: |
| A2 | 20-50 cm | Light grey (10YR7/2) silty clay loam, sporadically bleached, ferromanganiferous nodules are common. Sharp transition to: |
| Subsoil | ||
| B21 | 50-85 cm | Very dark grey (10YR3/1) medium heavy clay, dark yellowish brown mottles (10YR4/4), strong blocky structure (20-50 mm), smooth fabric, ferromanganiferous nodules are common, pH 6.2. Gradual transition to: |
| B22 | 85+ cm | Dark brown (10YR3/3) heavy clay, yellowish brown mottles (10YR5/6), strong blocky structure (20-50 mm), pH 6.1. |
Key profile features:
- Strong texture contrast between topsoil and subsoil
- Mottled subsoil
- Feromanganiferious are common
- Topsoil dispersive when worked when wet
- Subsoil dispersive when worked when wet
