Acre — Geoglyph Ancillary Square Ramal 4 (Brazil)
Acre Ramal4 Square
Formative to Late Intermediate (800 BCE–1400 CE)·Andean Formative·🇧🇷 Acre, Rio Branco, Acre Geoglyph Ramal4, Brazil
About
About Acre — Geoglyph Ancillary Square Ramal 4 (Brazil)
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) geoglyph attributed to Andean Formative. Systematic survey and magnetometry document stratified deposits. The site includes a principal enclosure and domestic quarter. Dimensions figure 92 m long × 28 m wide; line 2.5 m wide; area 15.5 ha. Excavation excavated; condition partially preserved. Peer-reviewed reports and georeferenced plans available.
Why it mattersKey Andean Formative geoglyph with stratified sequence and landscape setting at 170 m elevation.
Open questions
Mysteries & theories
Mysteries
- 01Function and labor organization
- 02Chronology and phasing
Theories
- 01Elite residence hypothesis
- 02Ritual landscape model
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- c. 500 BCE
- Period
- Formative to Late Intermediate (800 BCE–1400 CE)
- Culture
- Andean Formative
- Purpose
- Desert geoglyph and ceremonial landscape
- Rediscovered
- 2003
- Excavation
- Excavated
c. 500 BCE
Initial construction / foundation
c. 944 BCE
Major refurbishment / second phase
1912
Antiquarian record, modern excavation from 1960s
On the ground
Structures & features
9.9700° S · 67.8000° W · 170 m · 4 mapped features
- Principal FigurefigurePrincipal Figure at Acre — Geoglyph Ancillary Square Ramal 4 (Brazil) — figure with stratified deposits9.9697° S · 67.7994° W
- North Ray ExtensionrayNorth Ray Extension at Acre — Geoglyph Ancillary Square Ramal 4 (Brazil) — ray with stratified deposits9.9685° S · 67.7999° W
- Ancillary CirclecircleAncillary Circle at Acre — Geoglyph Ancillary Square Ramal 4 (Brazil) — circle with stratified deposits9.9716° S · 67.8000° W
- Alignment TerminusterminusAlignment Terminus at Acre — Geoglyph Ancillary Square Ramal 4 (Brazil) — terminus with stratified deposits9.9699° S · 67.8017° W
Gallery