Gilgai microrelief on native rangeland have microlows that are 2 to 12 inches lower than the microhigh. Distance between microhighs and microlows ranges from 6 to 15 feet. Texture is clay or silty clay throughout. In any horizon, limestone cobbles, stones, and gravels comprise 0 to 15 percent by volume. The A horizon has color with hue of 7.5YR, 10YR, or 2.5Y, value of 2 to 5, and chroma of 1 to 3.
Color is the same on microhigh and microlows.
The Bss horizon has color with hue of 7.5YR or 10YR, value of 3 to 5, and chroma of 1 to 3. The Bk horizon, where present, has color with hue of 5YR, 7.5YR, or 10YR, value of 4 to 6, and chroma of 2 to 4. Concretions and masses of calcium carbonate range from few to common. The Bw horizon, where present, has color with hue of 7.5YR, 10YR, or 2.5Y, value of 4 to 6, and chroma of 1 to 3. These are the Campwood , Hollister , Indiahoma , Leeray , Lockney , Roscoe , and Teagard series.