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 composed of usually greater than 90% mafic minerals (dark colored, high magnesium and iron content). The Earth's mantle...
- melting of crust rock from the heat of underlying mafic magmas. The lighter felsic magma floats on the mafic magma without significant mixing. Less commonly...
- These mafic minerals settle out of the magma, forming mafic ****ulates. There is geophysical evidence from several arcs that large layers of mafic ****ulates...
- which at least 90% of the total feldspar is alkali feldspar Anorthosite – A mafic intrusive igneous rock composed predominantly of plagioclase Aplite – A...
- volcanics. The hangingwall to the deposit is broadly related to a more mafic sequence of volcanic rocks, either andesite (examples being Whim Cr**** &...
- are typically darker in colour than felsic rocks and somewhat more dense. Mafic rocks have a relatively low silica content and are composed mostly of pyroxenes...
- feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly present. Anorthosites...
- relatively rich in elements that form feldspar and quartz. It is contrasted with mafic rocks, which are relatively richer in magnesium and iron. Felsic refers...
- ultramafic-mafic intrusive complex consists of ultramafic peridotites and pyroxenites with ****ociated chromitite layers toward the base with more mafic norites...
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