Definition of Mafic. Meaning of Mafic. Synonyms of Mafic

Here you will find one or more explanations in English for the word Mafic. Also in the bottom left of the page several parts of wikipedia pages related to the word Mafic and, of course, Mafic synonyms and on the right images related to the word Mafic.

Definition of Mafic

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Meaning of Mafic from wikipedia

- A mafic mineral or rock is a silicate mineral or igneous rock rich in magnesium and iron. Most mafic minerals are dark in color, and common rock-forming...
- high FeO, low pot****ium, and are usually composed of greater than 90% mafic minerals (dark colored, high magnesium and iron content). The Earth's mantle...
- relatively rich in elements that form feldspar and quartz. It is contrasted with mafic rocks, which are richer in magnesium and iron. Felsic refers to silicate...
- volcanics. The hangingwall to the deposit is broadly related to a more mafic sequence of volcanic rocks, either andesite (examples being Whim Cr**** &...
- dark mafic minerals and generally light felsic minerals in an igneous rock. The color index of an igneous rock is the volume percentage of mafic minerals...
- feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly present. Anorthosites...
- ultramafic-mafic intrusive complex consists of ultramafic peridotites and pyroxenites with ****ociated chromitite layers toward the base with more mafic norites...
- GAB-roh) is a phaneritic (co****-grained and magnesium- and iron-rich), mafic intrusive igneous rock formed from the slow cooling magma into a holocrystalline...
- consists largely of tonalitic and granodioritic gneisses and lesser amounts of mafic and ultramafic gneisses. It underlies and is largely concealed by thin,...
- from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More...