Fracture propagation through a layered shale and limestone sequence at Nash Point, South Wales: Implications on the development of fracture networks in layered sequences 

Nathaniel Forbes Inskip, Royal Holloway University of London, Egham, TW20, United Kingdom, Philip G Meredith, University College London, Rock and Ice Physics and Seismological Laboratory, London, United Kingdom and Agust Gudmundsson, Royal Holloway University of London, Department of Earth Sciences, Egham, United Kingdom