MM736

Site: MM736	Land Unit: Tower Hill
*Aust. Soil Class.:* Ferric, ?, Brown CHROMOSOL (confidence level 3)

General Land Unit Description:
This land unit consists of the undulating rises and associated slopes around Tower Hill, in the Koroit area. Black Dermosols which contain layers of volcanic ash from approximately 50 cm occur in association with friable Brown or Red Dermosols. Ferric Brown Chromosols may occur on the steeper slopes and Black Vertosols tend to occur on the plains and drainage depressions.

Site Description:

Geology: Quaternary scoria	Landform pattern: Rises and plains
Position in landscape: Mid slope	Internal drainage: Imperfectly drained

Soil Profile Morphology

A1	0-25 cm	Very dark greyish brown (10YR3/2) clay loam, moderate blocky structure (5-10 mm), pH 6.3. Clear transition to:
A2	25-55 cm	Strong brown (7.5YR4/6) light clay, rough fabric, very weak consistence when dry. Clear transition to:
	Subsoil
B21	55-70 cm	Strong brown (7.5YR4/6) light clay, ferromanganiferous nodules are abundant, pH 6.8. Clear transition to:
B22	70+ cm	Dark brown (10YR3/3) light clay, ferromanganiferous nodules are abundant, pH 7.2 (water).

Key profile features:

Ferromanganiferious are abundant in subsoil
Subsoil dispersive when dry

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