Building Blocks of the Earth : Rocks and Minerals
Object ID:
1917.8.48
Collection:
Natural History-Ladies of New London
Object Name:
Granite
Dimensions:
H-1.5 W-3.5 L-4.3 cm
Description:
Intrusive igneous rock, persilicic rock (>65% silica), composed of anhedral plagioclase, anhedral quartz, sunhedral-anhedral dark minerals, anhedral potassium feldspar, phaneritic, porphoritic.
Other Name:
Biotite Granite
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
Found:
Woodbury, Vermont
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