Friday 9 December 2016

Laughton-en-le-Morthen - Geology


The geology of the area around Laughton-en-le-Morthen

The geological map of the area around the ancient village of Laughton-en-le-Morthen shows that it is set on a small outlier of the Permian Zechstein Group, comprising the poorly cemented Yellow Sands Formation overlain by dolomitic limestone of the Cadeby Formation.

A view of Laughton-en-le-Morthen

In the landscape, this outlier appears like a small limestone capped island with an apron of weathered sandstone, whose slopes blend in with the surrounding gentle scarp and dip topography that is typically formed in the rocks of the Pennine Upper Coal Measures Formation.

A view of the landscape seen from Laughton-en-le-Morthen

When surveying many geological sites in Rotherham for the South Yorkshire RIGS Group, Laughton-en-le-Morthen wasn't highlighted for investigation, even though it possesses a Grade I Listed mediaeval church and that old quarries are likely to be found nearby - as I discovered in the villages of Harthill and Whiston.

An 1855 ordnance Survey map showing various quarries 

Having briefly explored the mediaeval churches of Beighton and Beauchief - as well as Sheffield Manor Lodge in Sheffield - I set off on a variety of buses to investigate Laughton-en-le-Morthen.

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