Calciorthid

Calciorthid is the taxonomic classification of soils possessing the following properties:

Yellowish to grey colour.
Poor in nitrogen, phosphorus and potash
Is alkaline, with pH ranging from 7.8 to 8.5.
Are sandy loam to silt in mixture

In the U.S. Soil Taxonomy, they fall under the Aridisols and are distinguished by a calcic horizon where calcium carbonate has accumulated.