Monday 14 August 2023

Erratic Castaway

Just a reminder that any Glacial erratic found on the edge of a body of water is probably a boulder that hitched a ride on an iceberg rather than evidence of actual glaciers. 

"An iceberg carries a rock though Jökulsárlón, Iceland's glacial lagoon."

Norway, Svalbard, Spitsbergen. Nordvest-Spitsbergen National Park, Liefdefjorden, Monacobreen aka Monaco Glacier. Large boulder floating on iceberg in front of glacier.

It seems that the erratic found on the Mumbles seashore -  - is just another fascinating example of this phenomenon, having probably enjoyed a cruise around St David's Head rather than the proof of anything else, despite the lurid headlines and press release:

Stonehenge mystery solved: 'Smoking gun' discovery provides 'missing piece' of puzzle

Across the water in North Devon there are about twenty examples of these probable dropstones, Baggy Point is one explains more.

A fuller explanation of them, and the debate about how they arrived is at:

And at

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