The Collaborative International Dictionary
Stratigraphically
Stratigraphic \Strat`i*graph"ic\, Stratigraphical \Strat`i*graph"ic*al\, a. (Geol.) Pertaining to, or depended upon, the order or arrangement of strata; as, stratigraphical evidence. -- Strat`i*graph"ic*al*ly, adv.
Wiktionary
stratigraphically
adv. In a stratigraphic manner; with respect to stratigraphy
Usage examples of "stratigraphically".
In Iowa, a state that is flat and stratigraphically uneventful, it tends to be comparatively serene.