Object ID:
1937.5.4
Collection:
Natural History- F.S. Dayton
Object Name:
Granite (Laurentian)
Dimensions:
H-1 W-1.6 L-2.3 cm
Description:
Intrusive igneous rock, persilicic rock (>65% silica), composed of anhedral plagioclase, anhedral quartz, anhedral potassium feldspar, and anhedral dark mineral, phaneritic.
VE Exhibit Label 1:
Phaneritic: of or relating to an igneous rock in which the crystals are so coarse that individual minerals can be distinguished with the naked eye. Phaneritic rocks are intrusive rocks that cooled slowly enough to allow significant crystal growth.
Rock Type:
Igneous
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