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| Natura: | Recurso digital |
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Zenodo
2026
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| Accesso online: | https://doi.org/10.5281/zenodo.20060742 |
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Sommario:
- <p>Poverty Point, a UNESCO World Heritage Site located in northeastern Louisiana, represents the largest and most complex Late Archaic earthwork complex in North America, constructed between approximately 1700 and 1100 BCE by a pre-agricultural society. Despite decades of archaeological investigation, the site's purpose remains unexplained. This paper presents the first acoustic analysis of Poverty Point's earthwork dimensions, demonstrating that 15 of 18 measured structural dimensions encode the frequency F#6 (1,479.97 Hz) through standing wave harmonic resonance with deviations under 1.0%. Two dimensions — the outer ridge diameter (1,204 m) and inner ridge diameter (594 m) — achieve near-perfect resonance at both F#6 and D#2 (77.78 Hz) simultaneously, with deviations of 0.000% and 0.009% respectively for the outer ridge. The presence of post hole circles within the central plaza, measuring up to 65 meters in diameter and also encoding F#6 at 0.014% deviation, is interpreted as evidence of acoustic activation structures. These findings establish Poverty Point as a North American instance of the frequency standardization framework previously documented at the Nazca Lines (Peru), Sajama Lines (Bolivia), Blythe Intaglios (California), and multiple ancient script traditions including Proto-Elamite and the Phaistos Disc — extending the chronological and geographic range of this framework to the Late Archaic period in North America (1700–1100 BCE).</p>