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Q: Rock is felsic composition low in density light in color and coarsed grained?
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Related questions

What has a more felsic composition rhyolite or basalt?

Rhyolite has a more felsic composition than basalt.


Why is the main reason that oceanic crust is heavier than continental crust?

Oceanic crust is mafic in composition and continental crust is felsic in composition. Mafic minerals generally have a higher density than felsic minerals and therefore, the oceanic crust is heavier.


What is the difference between rhyolite and granite?

The difference is the size of grains. Rhyolite is the felsic igneous rock with fine-grained size. Whereas, granite is the equivalent in composition but with coarse-grained size.


What name is applied to a coarse grained felsic igneous rock?

pegmatite


What name is applied to coarse grained felsic igneous rocks?

Granitoid or granitic.


Does rhyolite have a more mafic composition than basalt?

Rhyolite is not a mafic rock, but a felsic rock, high in silicates, and similar to granite in composition.


Is felsic porphyritic extrusive?

Some felsic rocks are and some are not. The term felsic is a description of an ingeous rock's composition, not its texture or where it occurs.


Are pyroclastic flows felsic or mafic?

Pyroclastic flows can be of any composition, but are more commonly felsic or intermediate.


Can igneous rock be felsic?

Yes. Felsic is a term used to describe the composition of some igneous rocks.


What is rhyolitic composition?

It contains about 70% Silica(SiO2)Added:Rhyolite, a gost town town in South-Nevada, is named for rhyolite, an igneous rock composed of light-colored silicates, usually buff to pink and occasionally light gray. It belongs to the same rock class, felsic, as granite but is much less common.


Definition for andesitic composition?

the composition of igneous rocks lying between felsic and mafic.


Is Felsic a Intrusive or Extrusive Rock?

It can be either. The term felsic describes the composition of the rock, not where it forms. The general category for intrusive felsic rock is granite while extrusive felsic rock is rhyolite.