Felsite Porphyry
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Description:
A sample of gray-green rock with feldspar phenocrysts collected from Cohasset Beach, c. 1911.
- Site: MA; Norfolk Co.
- Site Number: NH86F
- Dimensions: H-9.1 W-9.8 D-14.3 cm
- Rock type: Igneous
- Collection: Geology Collection
- Object Name: Igneous Rock
- Object Id: GR159
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