That looks like the stone blocks that supported the edge rails of a 19th century tramroad, and the location looks very like a site in the South Gloucestershire coalfield that I visited a few years ago. But I may be completely wrong.
It does, doesn't it? But it isn't. The stone blocks used to support a platform edge.
'Coalfield' is warm though.
Yes. Are we somewhere in the vacinity of the Dramway, Coalpit Heath?
I think it would be unhelpful of me to describe this as being 'in the vicinity' of Coalpit Heath. Not
too far away though.