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Felsic - Wikipedia
Felsic refers to silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium . Molten felsic magma and lava is more viscous than molten mafic magma and lava.
en.wikipedia.org
en.wikipedia.org
Felsic and mafic rocks | Igneous, Granitic & Rhyolitic Types - Britannica
In a widely accepted silica-content classification scheme, rocks with more than 65 percent silica are called felsic; those with between 55 and ...
www.britannica.com
www.britannica.com
What is the underlying reason some areas produce rocks that are ...
The terms felsic and mafic are compositional descriptors of Si content. So of course minerals described as felsic will be Si-rich, by definition.
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www.reddit.com
felsic
felsic, a. Min. (ˈfɛlsɪk) [f. feldspar + lenad (= feldspathoid) + silica + -ic.] Of or pertaining to such light-coloured minerals as the feldspars, the feldspathoids, quartz, and muscovite, or to rocks containing a high proportion of these or similar minerals.1912 W. Cross et al. in Jrnl. Geol. XX. ...
Oxford English Dictionary
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Word of the Week – Felsic | Utah FORGE
Felsic A geological term referring to igneous rocks that are equivalent to rhyolite and granite in composition.
utahforge.com
utahforge.com
Felsic Rock - an overview | ScienceDirect Topics
Felsic rocks are defined as light-colored igneous rocks that contain high-silica minerals, typically comprising around 63% SiO2, with common examples including ...
www.sciencedirect.com
www.sciencedirect.com
Cupola (geology)
Cupola-type magma chambers might form above larger basaltic magma bodies and differentiate to create intermediate or felsic magmas, which in turn may reach the surface to produce small eruptions of intermediate or felsic lava.
wikipedia.org
en.wikipedia.org
Felsic Rock - HyperPhysics
The class of rock which crystallizes from silicate minerals at relatively low temperatures and with relatively high percentage of silica is generally referred ...
hyperphysics.phy-astr.gsu.edu
hyperphysics.phy-astr.gsu.edu
Felsic | Definition, Composition & Examples - Lesson - Study.com
Felsic rocks are the most common igneous rocks within Earth's continental crust. The most abundant of these rocks are granite and rhyolite.
study.com
study.com
Mafic Vs. Felsic: Comprehensive Comparison - Geology In
Felsic and mafic rocks are two main types of igneous rocks, which are rocks that are formed from the cooling and solidification of magma or lava.
www.geologyin.com
www.geologyin.com
Geochemical Signatures of Felsic Volcanic Rocks in Modern ...
Felsic volcanic rocks are abundant in ancient greenstone belts and important host rocks for volcanogenic massive sulfide (VMS) deposits.
pubs.geoscienceworld.org
pubs.geoscienceworld.org
4.1: Classification of Igneous Rocks - Geosciences LibreTexts
Felsic refers to a predominance of the light-colored (felsic) minerals feldspar and silica in the form of quartz. These light-colored minerals ...
geo.libretexts.org
geo.libretexts.org
Archean felsic volcanic rocks
Archean felsic volcanic rocks are felsic volcanic rocks that were formed in the Archean Eon (4 to 2.5 billion years ago). Felsic volcanic rocks also include felsic tuff that was formed when tephra was consolidated.
wikipedia.org
en.wikipedia.org
mafic
mafic, a. Min. (ˈmæfɪk) [f. magnesium + L. f-errum iron + -ic.] Pertaining to, containing, or designating the dark-coloured minerals of igneous rocks, which are predominantly ferromagnesian in character. Opp. felsic a.1912 W. Cross et al. in Jrnl. Geol. XX. 561 We suggest the term..mafic for the gro...
Oxford English Dictionary
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Roosevelt Gabbros
At these contacts more intermediate to felsic rocks such as quartz gabbro and granodiorite are found. Similarly to the Sandy Creek Gabbro, the Mount Sheridan Gabbro becomes more felsic upwards through the member.
wikipedia.org
en.wikipedia.org