Initial studies of the pottery suggest that the areas excavated were in use during the middle Iron Age — a period between 400 and 100BC.
Mae astudiaethau cychwynnol o'r crochenwaith yn awgrymu bod yr ardaloedd a gafodd eu cloddio yn cael eu defnyddio yng nghanol Oes yr Haearn - cyfnod rhwng 400 a 100CC.