Geology
Granite.
Landform
The Tubbut map unit encompasses steep hills to steep mountains at an elevation range of about 200 to 800 m and a relief range of up to 500 m. From about Suggan Buggan to Cabanandra the area has been arbitrarily subdivided into the Ambyne map unit, which has slopes generally less than 32% and the Tubbut map unit, with slopes generally greater than 32%.
No attempt has been made to separate this map unit into separate components.
Steep hills and steep mountains with slopes greater than 32% near Suggan Buggan. This photo was taken south west of Suggan Buggan looking east.
Original vegetation
Grassy woodland, some shrubby dry forest.
Soils
The soils are likely to be slightly acidic reddish brown to brown coarse sandy loams overlying coarse sandy clays with granite rock occurring before 1 m. Shallow soils similar to these are described under the Ambyne map unit.
Land use
Mostly uncleared.