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Site: IT15Land Unit: Glenelg River Schists
Aust. Soil Class.: Ferric, ?, Yellow CHROMOSOL (confidence level 3)

General Land Unit Description:
This land unit comprises the dissected Cambrian Schist landscape of the Glenelg River and its tributaries. The major landform is rolling low hills. The major soil type is a strong texture contrast soil with many ferruginous nodules above the clay subsoil (Ferric Chromosol). The steep slopes which dominate this land unit is the major restriction for land use.

Site Description:
Geology: Cambrian schistsLandform pattern: Rolling low hills / rises
Position in landscape: Lower slopeInternal drainage: Moderately well drained

Soil Profile Morphology

A10-30 cmDark greyish brown (10YR4/2) sandy clay loam, weak polyhedral structure (2-5 mm), rough fabric, loose consistence when moderately moist, pH 5.5. Abrupt transition to:

A230-50 cmBrown (10YR5/3) sandy clay loam, weak polyhedral structure (5-20 mm), rough fabric, very weak consistence when moderately moist, a few angular quartz fragments (2-6 mm), many ferruginous nodules (6-20 mm), pH 6.0. Abrupt transition to:

B250-85 cmBrownish yellow (10YR6/6) medium heavy clay, distinct red mottles are common, strong angular blocky structure (5-10 mm), smooth fabric, a few angular quartz fragments (2-20 mm), pH6.0. Diffuse transition to:

C85+ cmMica schists.

Key profile features:

  • Strong texture contrast between topsoil and subsoil
  • Acidic topsoil
  • Ferric horizons
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