“…Although the classic duplex appearance of the LFt, with a lower, dark grey unit and an upper yellowishbrown unit, has been noted in East Anglia for many years (Boswell, 1931;Baden-Powell, 1948;West and Donner, 1956;Whiteman, 1987;Allen et al, 1991) and is now recognized even more widely across the eastern England region (Fish, 2000), its regional till stratigraphy is actually more complex ( Table I). The lower dark till unit is often underlain by, or partially interbedded with, a glacitectonite unit (Whiteman, 1983(Whiteman, , 1987Hart et al, 1990).…”