Claerwen Fault
The Claerwen Fault is a major SW-NE trending fault in central Wales. It was active as a normal fault during deposition of Late Ordovician to mid-Silurian sedimentary rocks, downthrowing to the northwest.[1] The estimated throw on the fault increases from about 100 m at a shallow level to about 1000 m at depth. There is no discernible change in the grade of metamorphism associated with the Caledonian Orogeny across the fault, suggesting that it was not reactivated later.[2]
See also
[edit]References
[edit]- ^ Woodcock, N.H.; Butler, A.J.; Davies, J.R.; Waters R.A. (1996). "Sequence stratigraphical analysis of late ordovician and early Silurian depositional systems in the Welsh Basin: a critical assessment". In Hesselbo S.E. & Parkinson D.N. (ed.). Sequence Stratigraphy in British Geology. Special Publications. Vol. 103. London: Geological Society. pp. 197–208. ISBN 978-1-897799-49-9. Retrieved 17 December 2010.
- ^ Roberts, B.; Merriman R.J.; Hirons S.R.; Fletcher C.J.N.; Wilson D. (1996). "Synchronous very low-grade metamorphism, contraction and inversion in the central part of the Welsh Lower Palaeozoic Basin". Journal of the Geological Society. 153 (2): 277–285. Bibcode:1996JGSoc.153..277R. doi:10.1144/gsjgs.153.2.0277. S2CID 128972267. Retrieved 17 December 2010.
52°16′N 3°40′W / 52.26°N 3.66°W
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