- Cwm Llwyd Fault
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The Cwm Llwyd Fault is a fault in the Black Mountains of South Wales. It moved as a sinistral (left lateral) strike-slip fault during the Variscan Orogeny. Together with the Llwyn Celyn Fault it formed a left-stepping offset that created a pull apart structure, which preserved the Cwm Llwyd Outlier of Namurian rocks.[1]
See also
References
- ^ Walsh, P.T.; Barclay W.T. & Battiau-Queney Y. (2007). "The Cwm Llwyd Outlier, Carmarthenshire, South-West Wales – Britain's deepest karstic subsidence or Variscan pull-apart structure?". Geological Journal 42 (1): 1–23. doi:10.1002/gj.1061.
Categories:- Geology of Wales
- Geology stubs
- Wales geography stubs
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