MM304

Site: MM304	Land Unit: Ewen Hill Basalts
*Aust. Soil Class.:* Ferric (Bleached-Mottled), ?, Black CHROMOSOL (confidence level 4)

General Land Unit Description:
The undulating basalt hills around Camperdown predominantly consist of Black Chromosols. There are minor occurences of friable, Mottled Black and Black Chromosols on the hillslopes, friable Red and Mottled Brown Chromosols on upper slopes and crests, and infrequent Brown Ferric Chromosols also. The volcanic maars tend to be Mottled Black Vertosols or they are water filled.

Site Description:

Geology: Quaternary scoria	Landform pattern: Undulating hills
Position in landscape: Mid slope	Internal drainage: Moderately well drained

Soil Profile Morphology

A1	0-15 cm	Dark brown (7.5YR3/2) clay loam, structureless, consistence very weak when moist, pH 6.3. Clear transition to:
A2	15-30 cm	Clay loam, sporadically bleached (10YR7/2) when dry, very many segregations (<2 mm), pH 6.4. Sharp transition to:
	Subsoil
B21	30-60 cm	Very dark greyish brown (10YR3/2) medium clay, dark yellowish brown mottles (10YR 4/4), consistence very firm when moist, pH 6.6. Gradual transition to:
B22	60+ cm	Dark yellowish brown (10YR4/4) medium clay, yellowish brown mottles (10YR 5/6), consistence firm when moist, pH 7.1.

Key profile features:

Strong texture contrast between topsoil and subsoil
Mottled subsoil

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