Publications
The marae of Taputapuātea (Ra’iatea, Society Islands) in 2016: nature, age and origin of coral erected stones
Research on the Taputapuātea marae in Ra'iatea, Society Islands, reveals that its erected stones are fossilized microatolls—corals (Porites) that thrived during a Holocene sea level 0.80 meters higher than today, dating back 3 to 5 millennia. These findings challenge prior descriptions of the stones as mere 'limestone slabs,' highlighting their biological origin and ancient context. U/Th dating of 38 samples, including microatolls and coral fill blocks, also confirms that the marae's construction occurred between the 17th and 18th centuries. The study suggests that Polynesians likely collected these fossilized remains from the site, leaving others still buried underground.
An exploratory survey method for archaeoastronomy, applied to standing stones at the hauviri and taputapuātea maraes, Ra'iātea
A systematic survey method for archaeoastronomical research, applied to standing stones at the Hauviri and Taputapuātea maraes in Ra’iātea, has identified a potential alignment with significant navigational stars during the Matariki season around AD1250. This finding suggests that the stones may serve as an analogue 'star compass,' guiding voyages or commemorating important celestial events. The method, designed for rapid, low-cost data collection, provides accurate azimuth comparisons and rich positional data, enabling further in-depth analysis. While the study confirms one specific scenario deserving deeper investigation, it also establishes a benchmark dataset for future research on Polynesian archaeoastronomy.
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