Diabase
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Description:
A sample of fine-grained dark gray diabase collected from Somerville.
- Site: MA; Middlesex Co.
- Site Number: NH86E
- Dimensions: H-3 W-4.2 D-6.4 cm
- Rock type: Igneous
- Grain size: Fine
- Collection: Geology Collection
- Object Name: Igneous Rock
- Object Id: GR476
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