5.4 Sandstone, very fine-grained, and siltstone, thinly interbedded and interlam... Both 1cm + x-1cm. Upper half loc = ledgy finogr ss, some chalk- Fe stain. Chiefly light grey weath. 5.6 Siltstone; thinly interbedded with shaly siltstone and minor grey silty shale. Chalk flecks throughout. Loc some finely sandy siltst. + v f ss in middle pznt. Ozrlt shaly zones restricted to bsszl 0.5 znd uppermost, 0.8. 1.4 Sandstone, very fine-grained), thin bedded, pznt or all Fe impreg) + weath. purple brown 3.3 Shale, dk grey, silty, with lminze and szst thin beds siltstone. 0.3+ Ironstone - Fe impreg silt to conc. Festone along strike. 7.8 Siltstone, shzly, to thin bedded) above, lower half with plugs 70