Locality 100 Section A. Starting at River level - interbedded silt + clay go to river here whereas it should be Elk Buto. This section measured to where we are sure we're in piece, and is provisional - in case EB has gone silly on us. River 1 3.0+ Thinsly interbedded chalk-grey silt/clay and light grey silt. Interlam + interls, is irregular, X 12m, typical. At top is layer jacketed), flat ls. cones with silt laminae continued into them, with bwn-grey jackets 2 2.3 As in (1). At top thin (0.2) clay layer with local bigger void silt-jacket cones, weths OB 3 7.7 As in (1), layer than OB is cones at top. widely scatt 4 3.8 As in (1) but less silty & more dispersed) by burrowous, at top OBls thin cones 5 7.2 As in (1), at top very local cones with thick silt c-in-c jackets. 6 12.3 As in (1), locally thicker beds shule + silt up to 0.4, but also particular zones + some burrows. At top good persistent layer ls cones, flat/void,