doleritic
dɒləˈrɪtɪk
Definitions
1. adjective
relating to or consisting of dolerite, a type of igneous rock
“The geologist studied the doleritic formations in the mountain range.”
2. noun
a type of igneous rock characterized by a coarse-grained texture and a composition of plagioclase feldspar and pyroxene minerals
“The geologist examined the doleritic outcrop in the quarry.”