Sighdell
Observing the World Around Me
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Sighdell's Geology Posts
Oct. 21, 2017
Potholes in the Androscoggin Riverbed - Created by Erosional…
Potholes form when sediment carried by a river scour the bed. Where depressions exist in the channel floor turbulent flow can cause pebbles to spin around and…
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sighdell
June 13, 2017
Stressful Breakup
Marginal Way - Ogunquit, Maine When the super continent Pangea started to break up between 210 and 130 million years ago, molten magma shot up through the…
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sighdell
April 18, 2017
The Rocks of Wolf's Neck Woods State Park
The park provides shore access to a variety of geologic features and rock types. A very sharp contact between two rock types can be seen here. The light colored…
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sighdell
April 07, 2017
Garnet Sand
Sandy Point Beach on Cousins Island is well known to the geology crowd. It was named the Geologic Site of the Month in April 2008 by the Maine Geological…
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sighdell
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