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EspañolGRANODIORITE
A sample of granodiorite rock
'Granodiorite' (IPA: ) is an intrusive igneous rock similar to granite, but contains more plagioclase than potassium feldspar. 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.
On average the upper continental crust has the same composition as granodiorite.
The Rosetta Stone was carved out of grandiorite.
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External link
★ Granodiorite definition at USGS (public domain source)
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