Rock Formation Query

Apr 26, 2020
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I am very interested to learn more about this rock formation which seems to me to be a little odd. (It should be said that I know nothing about geology worth speaking about! )
The rock face is sandstone but what the rock is in the fault that I have photographed I have no idea. There is a limestone ridge just the other side of a small river to this feature. The location is on the Nottinghamshire/Derbyshire border n the UK, the river is the border, and this is in Nottinghamshire.

I would be most grateful if anyone can tell me anything about this.

Many thanks,
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