pedocal
noun
ped·o·cal ˈpe-də-ˌkal 
: a soil that includes a definite hardened layer of accumulated carbonates
pedocalic
ˌpe-də-ˈka-lik
adjective 
Word History
Etymology
Greek pedon earth + Latin calc-, calx lime — more at ped, chalk
First Known Use
1928, in the meaning defined above