Ballynoe, county Down.

J 481 404 - Sheet 21

Nearest town: Downpatrick

 

A naturally-cupmarked stone on the S side of the circle -
one of several stones with solution-pits, natural grooves, and striations.

These stones are almost all of Silurian shale, which once covered the volcanic Mountains of Mourne to the west.
But deliberately-chosen stones of granite are placed significantly though not astronomically. There is also a sandstone block in the NE segment.

 

 

 

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