[bigheadfred]

Some seriously nice postings.

Bookmark.

Thanks Fred.

[Fred Nerks]

Stonehenge Periglacial Stripes

[Fred Nerks]

Endlessly fascinating:

...MPP cut trenches clear across the Avenue with strange results – there’s evidence of grooves in the chalk, running all the way to the bend, and parallel ridges down the sides. It all looks artificial, but apparently it’s all natural periglacial action.

Source