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doleritic |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Dolerite \Dol"er*ite\, n. [Gr. ? deceptive, because easily confounded with diorite.] (Petrography) a A dark, crystalline, igneous rock, chiefly pyroxene with labradorite. b Coarse-grained basalt. c Diabase. d Any dark, igneous rock composed chiefly of silicates of iron and magnesium with some feldspar. -- {Dol`er*it"ic}, a. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Doleritic \Dol`er*it"ic\, a. Of the nature of dolerite; as much lava is doleritic lava. --Dana.