Origin of surficial
Examples from the Web for surficial
Historical Examples of surficial
The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite.The Economic Aspect of Geology
C. K. Leith
My foot-rule, my rough scale plans and piled-up figures of cubic capacity and surficial area carried all before them.A Floating Home
Surficial, sur-fish′al, adj. formed on the surface, as opposed to Subterranean.