Basic rock

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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

Sources Checked for Data in Record

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

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