Latest Lias Group Stories

By Radley, Jonathan Twitchett, Richard J; Mander, Luke; Cope, John Journal, Vol. 165, 2008, pp. 319-332 Jonathan Radley writes: The Penarth Group (of Late Triassic and possibly ranging to Early Jurassic age) of the southern UK marks a marine transgression and the establishment of a shallow epicontinental seaway (Hallam & El Shaarawy 1982; Warrington & Ivimey-Cook 1992), influenced by regressive-transgressive pulses and characterized by rapid facies changes (Hallam & Wignall 2004; Hesselbo et...