Wiktionary
nonvolcanic
a. Not volcanic alt. Not volcanic
Usage examples of "nonvolcanic".
Igneous formations often have strange regularities - like the famous Giants’ Causeway in Ireland-but this stupendous range, despite Lake’s original suspicion of smoking cones, was above all else nonvolcanic in evident structure.
Igneous formations often have strange regularities - like the famous Giants' Causeway in Ireland - but this stupendous range, despite Lake's original suspicion of smoking cones, was above all else nonvolcanic in evident structure.