melanocratic
Adjective
Meaning
melanocratic (comparative more melanocratic, superlative most melanocratic)
(geology, of igneous rock) Dark in color, containing at least 50-60% mafic minerals.
Adjective
melanocratic (comparative more melanocratic, superlative most melanocratic)
(geology, of igneous rock) Dark in color, containing at least 50-60% mafic minerals.