Rocks and Minerals
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Andover has large amounts of the following rocks and minerals:
- Diabasic diorite is found in West Andover near River Road.
- Slate is found throughout Andover, especially in West Andover
- Horneblende diorite, also known as rabbit rock, is found east of Philips Academy and north of Clay Pits Hill.
- Muscovite biotite granite is found throughout Andover.
- Diabasic diorite is found in West Andover near River Road.
See
- Physical Geography, Geology and Paleontology of Essex County, Massachusetts by John Henry Sears, pages 98, 149, 168, and 173.
--Eleanor 16:57, June 8, 2007 (EDT)
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