MM670

Site: MM670	Land Unit: Stony Rises
*Aust. Soil Class.:* ?, Ferric-Petroferric, Leptic RUDOSOL (confidence level 4)

General Land Unit Description:
This land unit consists of the ‘stony rise’ country that occurs throughout the basalt plains. The unit consists of an irregular surface of widespread basalt lava flows in which hummocks, depressions, ridges and blind channels have given a completely confused topography, with a relief usually of about 10 metres. The soils of the gently undulating stony mounds or ‘stony rises’ are shallow red or black loamy soils (Rudosols, shallow Dermosols) which also occur on the stony areas between rises. Black Vertosols occupy the numerous swamps and depressions between the rises and the crests of the relatively lower and broader rises that may be less rocky. Very little open country is found amongst the rises, but where it does occur the soils are usually Ferric Brown Chromosols.

Site Description:

Geology: Quaternary basalt	Landform pattern: Gently undulating plain
Position in landscape: Crest	Internal drainage: Imperfectly drained

Soil Profile Morphology

A11	0-30 cm	Black, very dark brown and dark reddish brown clay loam to loam, moderate to strong consistence when dry, weak to massive structure, variable amounts of coarse fragments, transition to:
A12	30 cm	Black, very dark brown and dark reddish brown clay loam-loam, moderate to strong consistence when dry, firm to weak structure, coarse fragments and ferromanganiferous nodules are abundant, carbonate nodules especially evident in alkaline profiles.
Rock	30+ cm

Key profile features:

Shallow soil
Calcium carbonate nodules in some profiles
Coarse fragments
Ferric horizon in some profiles

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