3 100 yellowish gray massive mudstone becoming brownish with streaks as limonite cements towards top 4 105 SA to A coarse silt lt. tan brownish clay rich parallel lamination in places 5 95 cm Mudstone yellowish- gray brown laminae A base 6 100 cm SA to A coarse s,lt lt. tan (lt. yellow tan slope) 7 240 cm mudstone and siltstone in tabular beds mudstone red yellow brown siltstone lt. yellow brown limonite ruffles. thin limonite crust on slope which weathers yellowish tan 640