Layer of accumulation likely residual floor deposits that were not fully excavated along with the large floor surface at the end of the 2017 season. It is possible that the wattle and daub was a lower layer of leveling for the eventual construction of that floor surface. It is also possible that the wattle and daub is related to feature 2851 and that phase of occupation.
Layer of accumulation.
Grayish brown compact deposit south of 2493