Code	Description											
CLY	Clay					
Unconsolidated aeolian sand					
DUNE	Unconsolidated aeolian sand					
FP	Consolidated fluvial floodplain red sand					
FPC	Partially lithified fluvial red sand					
PC	Consolidated paleochannel sand with minor calcrete					
PCC	Lithified palaeochannel sand often with calcrete