Definition of "lithologic"

This paper is intended to be strictly stratigraphic, to show lithologic and lithogenetic units as mapped in the field, to present detailed measured and described sections of these units, and to give their relationship one to the other.

1951, Max B Payne, Type Moreno formation and overlying Eocene strata on the West Side of the San Joaquin Valley, Fresno and Merced Counties, California‎, page 5