It is possible that this deposit is related to the actual bottom of the feature.
Compact accumulation layer as a part of the fill of the feature bounded by 2695 in Room C8.
Upright stone slabs lining feature, equal to 2637, 2638, 2639 and Compact brown deposit with orange inclusions, bounded by 2695 and Loose brownish-yellow deposit, bounded by 2695
View of SU 2696 from the West.