Reaction ranges from slightly acid to slightly alkaline in the A, Ap, and ABss horizons, and from slightly alkaline to moderately alkaline in the Bass and Bss horizons. When dry, this soil has cracks ranging from 0.5 to 3 inches in width extending to depths greater than 20 inches. In pasture this soil has pronounced gilgai relief. The typifying pedon is at the center of a microknoll. The A, AP, and ABss horizons have moist values of 2 or 3.
Texture is clay loam or clay.
The BAss horizon has hue of 10YR or 2.5Y, moist value of 3 through 5, and chroma of 2 through 4. Texture is clay. The Bss horizon has hue of 10YR or 2.5Y, moist value of 4 or 5, and chroma of 3 through 6. Texture is clay. The Santa Isabel series is the only known series in the same family.