Associated with the hut phase of occupation. These stones are the same as another deposit further west, SU 3846, and both seem to comprise one of many layers of floor preparation for the latest phase of the hut/earliest phase of the stone compound.
Deposited as floor prep layer.
Deposit of stones (west) in depression in SW quadrant of area, E. of 3237. Equals 3847 and Deposit of stones (east) in depression in SW quadrant of area, E. of 3237. Equals 3846.