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Geochemical sourcing of obsidians from the Pūrākaunui site, South Island, New Zealand



We report the first well-documented case of a South Island site where Mayor Island obsidian is not the dominant source represented. At the Pūrākaunui site (I44/21), located in coastal Otago, we find that most obsidians come from the Taupo Volcanic Zone, including sources near Lake Taupo (52%) and Rotorua (27.7 %). A small proportion of the collection comes from Mayor Island (10.8%) and the Coromandel Peninsula (9.5%) obsidian. The results point to early effects of regionalisation in source exploitation on the South Island.

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