Cup Marks — Help please!

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tiompan T
tiompan Feb 18, 2010 16:27:39
Replying to faerygirl

faerygirl wrote:
The line of three in the foreground on one picture suggests that they are lying along faults/ clevage/ bedding in the rock which probably means they are caused by natural erosion. But you never know!
If you get a conglomerate with pebbles on a bedding line and they fall out you get a common misapprehension of "cups " .

T tiompan
tiompan Feb 18, 2010 17:02:34
Replying to tiompan

Hope the eds don't mind but I've just added an example of non cup marks on two stones to Prieston .One os an case of "pebble drop "and one of the most common types of what looks like cups .

F faerygirl
faerygirl Feb 18, 2010 17:21:14
Replying to tiompan

tiompan wrote:
faerygirl wrote:
The line of three in the foreground on one picture suggests that they are lying along faults/ clevage/ bedding in the rock which probably means they are caused by natural erosion. But you never know!
If you get a conglomerate with pebbles on a bedding line and they fall out you get a common misapprehension of "cups " .
That was a conglomerate??!!