Figure 15. Thin-layered amphibolite characteristic of the lower part of the Spring Point Formation (Ospb). Garnets have been deformed and granulated by post-metamorphic deformation possibly associated with right-lateral strike-slip movement on segments of the Norumbega fault system. North end of the Bailey Island-Orrs Island bridge, Harpswell.

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Last updated on January 25, 2006.

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