Map Symbol: A
Geology: Tertiary (late Miocene to Pliocene) and late Pleistocene to Holocene.
Landform: Small shallow land-locked depression.
Vegetation: Areas are too small to suggest original vegetation.
Classification Range: The only site formally classified was Site IS4.
Occurrence: There are six occurrences of Type A on the eroded ridge crest gently undulating plains and lake and lunette landscape units in the Coromby area north of Murtoa.