The city is entirely underlain by granite, and clay-rich soil developed on it.
This site comprises four meadows surrounded by well established hedges on gently sloping clay-rich soils.
The head is a drainage feature created through erosion of soft, clay-rich soil by the action of wind and water.
The Seymour aquifer may be locally confined under clay-rich soils and sediments.
These clay-rich soils shrink and swell markedly on drying and wetting.
It is an immense emergent tree, up to 80 m tall, found in mixed dipterocarp forest on clay-rich soils.
Badlands are a type of terrain with clay-rich soil, and are found in regions with arid climate.
The most infrequent of the four minor grain types are understood to be heated and burnt clay-rich soil.
When exposed to surface conditions, it breaks down quickly to form a clay-rich soil that supports dense chaparral growth.
Though clay-rich soil is ideal for keeping nutrients in the soil, it can also retain too much water.