About: Granodiorite   Sponge Permalink

An Entity of Type : dbkwik:resource/WI_rNbIkfTiX-LLcDQ1F6g==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Granodiorite ( or ) is an intrusive igneous rock similar to granite, but containing more plagioclase than orthoclase-type feldspar. Officially, it is defined as a phaneritic igneous rock with greater than 20% quartz by volume where at least 65% of the feldspar is plagioclase. It usually contains abundant biotite mica and hornblende, giving it a darker appearance than true granite. Mica may be present in well-formed hexagonal crystals, and hornblende may appear as needle-like crystals.

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rdf:type
rdfs:label
  • Granodiorite
rdfs:comment
  • Granodiorite ( or ) is an intrusive igneous rock similar to granite, but containing more plagioclase than orthoclase-type feldspar. Officially, it is defined as a phaneritic igneous rock with greater than 20% quartz by volume where at least 65% of the feldspar is plagioclase. It usually contains abundant biotite mica and hornblende, giving it a darker appearance than true granite. Mica may be present in well-formed hexagonal crystals, and hornblende may appear as needle-like crystals.
sameAs
dcterms:subject
Name
  • Granodiorite
dbkwik:geology/pro...iPageUsesTemplate
rock type
essential mineral(s)
accessory mineral(s)
similar rock(s)
  • Tonalite, between granite and diorite
abstract
  • Granodiorite ( or ) is an intrusive igneous rock similar to granite, but containing more plagioclase than orthoclase-type feldspar. Officially, it is defined as a phaneritic igneous rock with greater than 20% quartz by volume where at least 65% of the feldspar is plagioclase. It usually contains abundant biotite mica and hornblende, giving it a darker appearance than true granite. Mica may be present in well-formed hexagonal crystals, and hornblende may appear as needle-like crystals.
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