Lago Puerto Arturo


Lago Puerto Arturo is a small lake in the Mirador Basin approximately 30 km south of the Mexico-Guatemala border and about 70 km NW of Tikal. It was the site of a lake sediment coring study carried out by Wahl and colleagues in 2001 (Wahl et al. 2006). The core extended from the lake bed at a depth of 7.8 m below the lake's surface and extended down to a further depth of 7.28 m. Pollen grains of Zea mays were recovered from a depth of 3.15 m in the sediment core and continued up to a depth of about .95 m. Based on this, the authors estimate that maize was grown in the region from approximately 4600 cal BP to about 1000 cal BP, at which time the region appears to have been abandonded.

ID Other ID Type Subtype Uncal BP (years) ± 1 σ (years) Median cal BP (years) Lower cal BP (years) Upper cal BP (years) δ13C Contaminated?
CAMS-94186 MicroSample pollen 3040 120 3224 3549 2881 No
CAMS-94189 MicroSample pollen 4540 60 5172 5446 4976 No

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References Cited

Wahl, David, Roger Byrne, Thomas Schreiner and Richard Hansen
    2006    Holocene Vegetation Change in the Northern Peten and Its Implications for Maya Prehistory. Quaternary Research 65(3):380-389.