The layers of archaeological evidence at Moeraki lie together with the layered histories told and retold by mana whenua, Gerard O’Regan tells Tom McKinlay and Luke Chapman.  Watch past episodes  of Toitū  te Whenua  Gerard O’Regan crouches at the high water mark and examines the dark stained sand draining from the eroding bank. His practised eye reads the signs and zeroes in on the evidence of his tīpuna, their lifeways. Newly exposed shell and bone talk of the meal eaten here so many years ago, lying still among the hangi stones used in the cooking. Here too are slithers of agate, a local stone prized for the sharp edge it brought to the work of cutting or scraping. It is the ancient cooking fire that has left its giveaway dark charcoal mark on Moeraki’s otherwise golden sand, fanning out from the bank down to the waterline.…