Hamstone
Golden-brown sedimentary stone, from Ham Hill in Somerset.
Golden-brown sedimentary stone, from Ham Hill in Somerset.
Redirected to Karst cave.
The most common type of cave, formed by the solution of carboniferous rocks by the action of rainwater.
Now deprecated term for multiple layers of mudstone and siltstone that occur beneath parts of the English Midlands and beyond.
Grade II listed structure in Stretford, Greater Manchester, probably the base of an Anglo-Saxon cross shaft.
Redirected to Pendleton Fault.
Sandstones interbedded with mudstones and siltstones in the Lower Coal Measures of West Yorkshire, once extensively quarried.
Rocks that differ from the type native to an area.
Flockton Collieries comprised several pits, some started before 1700, around Flockton and Middlestown between Wakefield and Huddersfield in the West Riding of Yorkshire.
Type of bituminous coal.