Talk:dolerite

Missing senses?
Webster 1913 has four senses, surprisingly: "(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." Equinox ◑ 09:31, 11 April 2015 (UTC)