back in wales there were furrows like cart tracks in the flat slick rock where harder stones /boulders where pushed along the static bedrock by ice......got some poor pics somewhere where boulders where pushed up and over stuff leaving a trail etc. on the cambrian coast above Harlech. Old Darwin spent some time there.
This isn't the ''cart wheel type marks'', but these rocks where pushed from the right over the bedrock on the left, there were very visible grooves showing the path of the rocks movement.
Here is the area where there are lots of rocks that have been left after being pushed by ice and left 'cart tracks' pic doesn't show the size of the area.
Voodoo Erzulie 19.5" bit too big looking for 18.5" steel Voodoo
Lots of memory bikes !
That is what I mean, if you think I meant something different....well,that is in you head , not mine !
Just think of all the people that would agree with each other, but can't because they don't speak the same language