MM857

Site: MM857

Land Unit: Drumborg basalt hills

Aust. Soil Class.: Haplic, ?, Red KUROSOL (confidence level 2)

General Land Unit Description:
This land unit consists of the undulating rises of Sugarloaf Hill and Sheaok Rise, north of Heywood. The soils consist of Red Dermosols and occasionally Kurosols on the crests and slopes of the rises. On the lower slopes and plains in between the rises, Ferric Brown Chromosols or Dermosols predominate. There are minor occurrences of Black Vertosols in local depressions.

Site Description:

Geology: Quaternary basalt

Landform pattern: Undulating rises

Position in landscape: Mid slope

Internal drainage: Moderately well drained

Soil Profile Morphology

0-20 cm

Dark reddish brown (5YR3/4) clay loam, strong blocky structure (10-20 mm), pH 5.7. Clear transition to:

Subsoil

B21

20-35 cm

Yellowish red (5YR4/6) medium clay, smooth-ped fabric, pH 5.4. Gradual transition to:

B22

35+ cm

Strong brown (7.5YR4/6) medium clay, red mottles, smooth-ped fabric, pH 5.7.

Key profile features:

Strongly acidic subsoil

Strong texture contrast between topsoil and subsoil

Mottled subsoil

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