🇧🇷 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.
🇧🇷 Brazil · Buried city
Marajoara – Mound Complex of Marajó Island, Pará (Hypothetical Urbanism)
Marajoara Phase (800–1400 CE) Amazonian Polychrome · Marajoara / Aruã / Ananatuba
Amazon mouth tesos 12 m high with 3 km causeways at +1 m (800–1400 CE) — continental city 40,000 vs chiefdom 10,000 debated.
🇧🇷 Brazil · Geoglyph
Upper Xingu Kayabi Geoglyph Complex (Pará)
Late Intermediate to Late Horizon (Xingu polyglot / Kayabi) · Upper Xingu archaeological tradition / Kayabi
Southern Amazon forest geoglyph province distinct from Acre-Urubamba: 14 circular and rectangular enclosures (120-320 m) on Xingu headwater interfluvia (260 m, 9°45′S 52°21′W), documented by Mendeley…
🇰🇿 Kazakhstan · Tumulus
Kyrykoba Kurgan Field — Sarmatian Royal Cemetery (Aktobe, West Kazakhstan)
Early to Middle Sarmatian (Sauromatian–Early Sarmatian, 500–350 BCE) · Sauromatian–Early Sarmatian (Prokhorovka transitional)
40+ Sarmatian royal mounds (5th–4th c BCE) with 820-g gold torque and Amazon warrior — West Kazakh Ural steppe.