🇧🇷 Brazil · Earthwork
Marajoara Mounds (Teso dos Bichos)
Marajoara Phase (Polychrome Tradition) · Marajoara (Arauan-derived Amazonian Polychrome)
Marajoara chiefdom mounds (800–1400 CE)—40-m tesos and funerary urn fields on Amazon's delta island.
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🇧🇷 Brazil · Earthwork
Marajoara Phase (Polychrome Tradition) · Marajoara (Arauan-derived Amazonian Polychrome)
Marajoara chiefdom mounds (800–1400 CE)—40-m tesos and funerary urn fields on Amazon's delta island.
🇪🇨 Ecuador · Earthwork
Hypothesized Upano Formative vs modern agricultural if real · Hypothesized Upano (if verified) vs mechanized rice farmers
Hypothetical Copueno floodplain raised fields — 45 linear ridges on active floodplain 2.1 km west of verified cluster.