regarding basalt created of or containing basalt as basaltic lava
- of or concerning or containing basalt
- Pertaining to basalt; created of, or containing, basalt; as basaltic lava.
(a.) regarding basalt; created of, or containing, basalt; as basaltic lava.
In height; beneath these is a mass of coarse black amygdaloid, of the same thickness, underlain by a second range of basaltic pillars, from 40 to 50 ft.