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The occurrence of seismites in the Upper Silurian Whitcliffe Formation of the old Whitcliffe quarry, Ludlow

The occurrence of seismites in the Upper Silurian Whitcliffe Formation of the old Whitcliffe quarry, Ludlow Thumbnail


Abstract

Sediments exposed in the old Whitcliffe quarry west of Ludford Bridge, Ludlow are micaceous, calcareous siltstones representing a transition from shallow marine to terrestrial environments. Two deformed beds (20 cm and 40 cm thick) are exposed, sandwiched between layers of undeformed siltstone. These are believed to be syndepositional features and are interpreted, by excluding all other possible triggering mechanisms, as seismites. Deformation takes the form of load casting (simple and pendulous), thixotropic bowls and some convolute bedding. Orientations of convolute slumping are near vertical and no direction of slumping can be inferred.

Acceptance Date Aug 14, 2017
Publication Date Aug 14, 2017
Journal Proceedings of the Shropshire Geological Society
Print ISSN 1750-855X
Pages 61 -73
Publisher URL http://www.shropshiregeology.org.uk/SGSpublications/Table%20of%20Contents%20for%20Current%20Proceedings.htm#Rogers

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