MAFIC
Mafic
Mafic is an adjective describing a silicate mineral or rock that is rich in magnesium and iron; the term is a portmanteau of the words "magnesium" and "ferric". Most mafic minerals are dark in color and the relative density is greater than 3. Common rock-forming mafic minerals include olivine, pyroxene, amphibole, and biotite. Common mafic rocks include basalt, dolerite and gabbro.The above text is a snippet from Wikipedia: Mafic
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mafic
Noun
- A rock with such properties.
Adjective
- Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.
The above text is a snippet from Wiktionary: mafic
and as such is available under the Creative Commons Attribution/Share-Alike License.