Granitic in a sentence as an adjective

"Microbial chemolithotrophy mediates oxidative weathering of granitic bedrock.

Granitic definitions

adjective

showing unfeeling resistance to tender feelings; "his flinty gaze"; "the child's misery would move even the most obdurate heart"

See also: flinty flint obdurate stony

adjective

hard as granite; "a granitic fist"

See also: granitelike rocklike stony