the GNU version of the Collaborative International Dictionary of English
ad. From a lithological point of view.
The Century Dictionary and Cyclopedia
In a lithological manner; from a lithological point of view; as regards lithologic character or structure: as, strata lithologically distinct.
Word Usage
"It is higher and more rugged and has much less agriculture and population than the lithologically distinct Northern Piedmont (64), and has different rocks, soils, and native vegetation than the lower and less rugged Pine Barrens (84b)."