Figure 8. Thinly layered dark schist and light granofels exposed at Tumbledown Pond. The schist is predominantly micas and andalusite while the granofels is predominantly quartz and feldspar. Each couplet of light and dark layers represents a graded bed with topping indicated toward the left. Each couplet is about 3 inches thick. Originally this rock was comprised of horizontal layers of alternating sand and mud as graded beds.

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Last updated on November 13, 2006

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