Basic rock

Description

Igneous rocks with more than 45 % and less than 52 % of Silica. Basic rocks, sometimes referred to as mafic, are generally dark in color with a density greater than 3. Common examples include Basalt and Gabbro.

Synonyms and Related Terms

básica (Port.); mafic

Resources and Citations

• José Delgado Rodrigues, LNEC, Submitted information, 2009.