Felsic definitions

Felsic

In geology felsic refers to igneous rocks that are relatively rich in elements that form feldspar and quartz. It is contrasted with mafic rocks, which are relatively richer in magnesium and iron (ferric). It refers to those rocks rich in silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, alumini...
Found on http://en.wikipedia.org/wiki/Felsic

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Felsic

silicate minerals, magmas, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.
Found on http://en.wikipedia.org/wiki/Glossary_of_geology

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Felsic

An igneous rock having abundant light-colored minerals.
Found on http://volcano.oregonstate.edu/glossary/1

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Felsic

Light coloured igneous rocks containing an abundance of feldspars, feldspathoids and silica.
Found on http://www.australian-shares.com/glossary-of-terms.php.html

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Felsic

An igneous rock having abundant light-colored minerals.
Found on http://www.encyclo.co.uk/local/21455

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felsic

A mnemonic adjective derived from feldspar + lenad (feldspathoid) + silica + c, and applied to an igneous rock having abundant light-colored minerals in its mode; also, applied to those minerals (quartz, feldspars, feldspathoids, muscovite) as a group. It is the complement of mafic.
Found on http://www.encyclo.co.uk/local/22047

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felsic

Consisting mostly of silica (more than 65 percent), in the form of quartz and feldspar. Can also be applied in reference only to the feldspars.
Found on http://www.encyclo.co.uk/local/22291

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Felsic

An adjective used to describe a light-colored igneous rock poor in iron and magnesium content, abund
Found on http://www.encyclo.co.uk/local/22392

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felsic

Term used to describe the amount of light-colored feldspar and silica minerals in an igneous rock. Complement of mafic.
Found on http://www.ucmp.berkeley.edu/glossary/gloss2geol.html

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felsic

Term used to describe the amount of light-colored feldspar and silica minerals in an igneous rock. Complement of mafic.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_2.html

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Felsic

(Of rocks) essentially composed of the light coloured minerals feldspar and either feldspathoid or silica.
Found on https://www.encyclo.co.uk/local/20501

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Felsic

Term used to describe light-colored rocks containing feldspar, feldspathoids and silica.
Found on https://www.encyclo.co.uk/local/22734

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