Fig 1.
Map of islands within the ancestral, West Polynesian homeland.
Two additional islands, Futuna and Alofi, are not included on the map being 300 km northwest of Niuafo’ou. The outliers of Niuafo’ou and Niuatoputapu are part of traditional and contemporary Tonga.
Fig 2.
The Hallstatt Plateau (shaded) as constructed on the OxCal radiocarbon calibration program for the southern hemisphere 2013 (SHcal13) calibration curve [13].
Fig 3.
Plot of calibrated radiocarbon ages (95.4%) for Polynesian Plainware sites in Tonga.
Plot was done on Oxcal with calibrations done using the southern hemisphere 2013 (SHcal13) calibration curve [14].
Table 1.
Radiocarbon datesa for Polynesian Plainware occupation strata, Kingdom of Tonga ordered by oldest to youngest.
Table 2.
Sequential radiocarbon dates for Polynesian Plainware occupations from three excavation units in the Kingdom of Tonga.