Geology (10 pages found in this category)


Type of bituminous coal.

Elland flags

Sandstones interbedded with mudstones and siltstones in the Lower Coal Measures of West Yorkshire, once extensively quarried.

Flockton Collieries

Flockton Collieries comprised several pits, some started before 1700, around Flockton and Middlestown between Wakefield and Huddersfield in the West Riding of Yorkshire.

Glacial erratics

Rocks that differ from the type native to an area.

Irwell Valley Fault

Redirected to Pendleton Fault.

Karst cave

The most common type of cave, formed by the solution of carboniferous rocks by the action of rainwater.

Keuper Marl

Now deprecated term for multiple layers of mudstone and siltstone that occur beneath parts of the English Midlands and beyond.

Pendleton fault

Geological fault stretching for about 20 miles (32 km) from Bolton in Greater Manchester in the north along the Irwell Valley through Pendleton and south to Poynton in Cheshire.

Solution cave

Redirected to Karst cave.

The Great Stone, Stretford

Grade II listed structure in Stretford, Greater Manchester, probably the base of an Anglo-Saxon cross shaft.