The surface soil, about 30 cm, is generally a black (10YR2/1) to very dark greyish brown (10YR3/2) cracking clay - high in organic matter. With depth, the clay texture becomes mottled with colours including yellowish brown (10YR5/4) and grey (10YR6/1). By about 80 cm depth, the colours are generally grey to light grey (10YR7/1) with distinct yellowish brown mottles. The surface pH is around 6 and the soil becomes alkaline with depth.
The soils are likely to be saline, particularly lower in the profile.
One detailed analysis was carried out on this soil and is reported by Aldrick et al (1992) under Profile Number 41, Site Number 487.