2007
DOI: 10.1002/gea.20164
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Geoarchaeology of Tonga: Geotectonic and geomorphic controls

Abstract: Ancient settlement patterns in central Tonga, at the southeastern limit of Lapita expansion into Remote Oceania ~3 ka, were conditioned by island geomorphology as controlled by spatial geotectonic features and temporal changes in relative sea level on island coasts. Volcanic islands provided lithic resources, but human populations were concentrated on nonvolcanic forearc islands underlain by limestone covered by airfall tephra blankets that weathered to form rich agricultural soils and eroded to provide terrig… Show more

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Cited by 38 publications
(49 citation statements)
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“…Differences in soil fertility/quality do not seem to be the only force influencing food choices of these early Pacific populations. While the Watom, Uripiv and Teouma sites have fertile metamorphic and volcanic soils, the limestone soils of Tongatapu have been enriched by falls of airborne volcanic ash (Dickinson and Burley, 2007).…”
Section: Dietary Pattern At Talasiu and Environmental Conditions: Drimentioning
confidence: 99%
“…Differences in soil fertility/quality do not seem to be the only force influencing food choices of these early Pacific populations. While the Watom, Uripiv and Teouma sites have fertile metamorphic and volcanic soils, the limestone soils of Tongatapu have been enriched by falls of airborne volcanic ash (Dickinson and Burley, 2007).…”
Section: Dietary Pattern At Talasiu and Environmental Conditions: Drimentioning
confidence: 99%
“…The main island of 'Uta Vava'u forms the northern edge of an uplifted limestone platform, including several embayments and the brackish water Lake Ano. The limestone platform of Vava'u slopes southward, where its subsidence has produced numerous smaller islands (Dickinson and Burley 2007). Several swamps were examined in Vava'u, including the two discussed here -Ngofe Marsh and Avai'o'vuna Swamp -for their potential to provide palaeoecological data on pre-settlement forests and subsequent vegetation change associated with settlement by Lapita and later cultures (Figure 3).…”
Section: Vava'u Island Groupmentioning
confidence: 99%
“…(Bellwood, 1997;Kirch, 2000Kirch, , 2010Spriggs, 2007), generally at sites that today are broad sandy beaches but once had been small offshore islets, sand berms or spits, narrow beach fringes, and strand-like swampy settings around the end of a mid-Holocene highstand of sea level about 1.5e2 m above the present level (Carson, 2008a(Carson, , 2008bDickinson and Burley, 2007;Gosden and Webb, 1994;Kirch, 1997;Nunn, 2005Nunn, , 2007Wickler, 2001). These findings suggest an ancient preference for coastal habitats that no longer exist today, masked not only by sea-level fall but also by several centuries of coastal progradation, accumulated sediments, and other transformations.…”
Section: Introductionmentioning
confidence: 95%