Mudstone or shale is a sedimentary rock consisting of very fine clay minerals compressed together.
In use - brick kiln, Stairfoot, near Barnsley
© Peter Kennett
Hand specimen |
Locality |
Rock in use |
Close-up |
In use - brick kiln, Stairfoot, near Barnsley
© Peter Kennett
|
Hand specimen |
Locality |
Rock in use |
|
Close-up |