Stone 40

Stone 40 is of Type: Dacitic Tuff.

Stone 40g is a below-ground stump of Type: Lower Palaeozoic Sandstone, exceptional in that its position has been marked at ground level by a lead cover:

Below ground stump Stone 40c (Type: Volcanics Group A) is approximately 4m northwest of Stone 40 on the other side of Stone 15.