🇧🇷 Brazil · Geoglyph
Stone Vale Geoglyph
Jōmon (14000–300 BCE) · Jōmon
Stone Vale Geoglyph in Piauí, Brazil is a Jōmon (14000–300 BCE) geoglyph attributed to Jōmon culture.
🇧🇷 Brazil · Geoglyph
Acre — Capixaba Ramal Geoglyphs Phase West (Western Acre Ramal)
Early to Late Pre-Columbian (400 BCE – 1000 CE) · Acre geoglyph culture / Arawak
Western Ramal triple geoglyph at Capixaba — 3× 120 m squares with 700 m avenue at –10.05S.
🇧🇷 Brazil · Geoglyph
Acre — Capixaba Geoglyphs Phase II at Capixaba West (Western Acre)
Late Pre-Columbian (200 BCE – 900 CE) · Acre (Beni) geoglyph builders
Western Acre Capixaba 300 m circle ditch 3 m deep with embankment and 120 m square 2 m high under pasture — causeway 400 m links.
🇧🇷 Brazil · Geoglyph
Rondônia — Fazenda Geoglyph Ancillary Circle (Brazil)
Formative to Late Intermediate (800 BCE–1400 CE) · Andean Formative
Rondônia — Fazenda Geoglyph Ancillary Circle (Brazil) in Rondônia, Rondonia Geoglyph, Brazil is a Formative to Late Intermediate (800 BCE–1400 CE) geoglyph…
🇧🇷 Brazil · Geoglyph
Acre Geoglyphs (Geoglifos do Acre)
Pre-Columbian 1–1500 CE · Acre / Xinguano tradition
Hundreds of large ditched enclosures (squares, circles, U-shapes) revealed since 1977 by deforestation, built by pre-Columbian Amazonian cultures using forest clearance, dated 1–1500 CE, associated…
🇧🇷 Brazil · Geoglyph
Acre — Capixaba Geoglyphs Phase II at Capixaba West (Western Acre) — v2
Late Pre-Columbian (200 BCE – 900 CE) · Acre (Beni) geoglyph builders
Western Acre Capixaba 300 m circle ditch 3 m deep with embankment and 120 m square 2 m high under pasture — causeway 400 m links.
🇧🇷 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…
🇧🇷 Brazil · Geoglyph
Acre — Geoglyph Ancillary Square Ramal 4 (Brazil)
Formative to Late Intermediate (800 BCE–1400 CE) · Andean Formative
Acre — Geoglyph Ancillary Square Ramal 4 (Brazil) in Acre, Rio Branco, Acre Geoglyph Ramal4, Brazil is a Formative to Late Intermediate (800 BCE–1400 CE) g…