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Granite

Igneous Rocks

A coarse-grained igneous rock that cooled slowly deep underground, giving it visible interlocking crystals of quartz and feldspar. It forms the core of most continents and is prized as a building stone for its hardness and polish. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Kind
Rock 2
Formation Class
Igneous, intrusive (plutonic) 1
Chemical Formula
No single fixed formula; granite is a mixture of minerals. Its worldwide average bulk composition, based on 2485 analyses, is approximately 72.04 percent SiO2 by mass, with the balance made up of smaller amounts of Al2O3, Fe2O3, FeO, CaO, Na2O, K2O and other oxides. 1
Classification
Classification
Igneous Rock 1
Use
Building and Construction 1
Connections

Associated With

Feldspar, Materials

Granite's own lead description names alkali feldspar as one of its main constituent minerals.

Source Granite (Wikipedia)
Mica, Materials

Granite's own lead description names mica as one of its main constituent minerals.

Source Granite (Wikipedia)
Quartz, Materials

Granite's own lead description names quartz as one of its main constituent minerals.

Source Granite (Wikipedia)
Rhyolite, Materials

Extrusive equivalent of intrusive granite.

Source Rhyolite (Wikipedia)

Classified As

Igneous Rocks, Subcategories

In Discipline

Geology, Disciplines
Source Rock, Geology (Wikipedia)
Sources
1. Granite (Wikipedia)
Wikimedia Foundation
  • Lead section
    is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, mica and plagioclase.
  • Article text
    A worldwide average of the chemical composition of granite, by mass percent, based on 2485 analyses: The medium-grained equivalent of granite is microgranite.
  • Lead section
    Granite (, GRAN-it or , GRAN-eye-t) is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, mica and plagioclase.
  • Granite, live entity-description
    prized as a building stone for its hardness and polish
View the Source
2. Rock, Geology (Wikipedia)
Wikimedia FoundationView the Source
Wikidata: Granite
Wikidata Q41177
Rhyolite (Wikipedia)
Wikimedia FoundationAssociated With: Rhyolite, Lead section
Quote, Associated With: Rhyolite, Lead section
It is the extrusive equivalent of granite.
View the Source
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