Object ID:
1919.8.15
Collection:
Natural History- F.S. Dayton
Object Name:
Granite
Dimensions:
H-5.6 W-4.5 L-10.5 cm
Description:
Intrusive igenous rock, persilicic rock (> 65% silica), composed of anhedral quartz, anhedral plagioclase, anhedral potassium feldspar, and anhedral black minerals, phaneritic.
"Dirty" granite, most of crystals covered up by soil
"Dirty" granite, most of crystals covered up by soil
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:
Kashena Falls, Wisconsin