Textural class (defined according to USDA system) at 6 depth intervals derived from sand, silt and clay contents predicted using the Africa Soil Profiles Database (AfSP) v1.2. For details see published paper here below (Hengl T., G.B.M. Heuvelink, B. Kempen, J.G.B. Leenaars, M.G. Walsh, K.D. Shepherd, A. Sila, R.A. MacMillan, J. Mendes de Jesus, L.T. Desta, J.E. Tondoh, 2015. Mapping Soil Properties of Africa at 250 m Resolution: Random Forests Significantly Improve Current Predictions. PLoS ONE 10(6)

Texture classes of the USDA system / triangle used in this map:

code, name

1 clay

2 silty clay

3 sandy clay

4 clay loam

5 silty clayloam

6 sandy clay loam

7 loam

8 silty loam

9 sandy loam

10 silt

11 loamy sand

12 sand