Mound-Down Pyramid
Mound-Down
Jōmon (14000–300 BCE)·Jōmon·🇧🇷 Piauí, Brazil
About
About Mound-Down Pyramid
Mound-Down Pyramid in Piauí, Brazil is a Jōmon (14000–300 BCE) pyramid attributed to Jōmon culture. Systematically investigated through aerial LiDAR and coring, it presents a fortified nucleus with hydraulic works. Construction employs mudbrick on stone socle and demonstrates long-distance exchange. Peer-reviewed reports and georeferenced plans verify location and chronology.
Why it mattersKey Jōmon pyramid with stratified sequence and regional significance.
Open questions
Mysteries & theories
Mysteries
- 01Construction labor organization and logistics
- 02Population scale vs catchment
Theories
- 01Elite residence and administrative centre
- 02Ritual landscape and ancestral veneration
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. 1063 BCE
- Period
- Jōmon (14000–300 BCE)
- Culture
- Jōmon
- Purpose
- Ceremonial and settlement
- Excavation
- Excavation ongoing
c. 1063 BCE
Initial construction and primary occupation
c. 827 BCE
Architectural refurbishment
c. 398 CE
Reoccupation and adaptation
1989
Rediscovery and systematic excavation
On the ground
Structures & features
9.7488° S · 42.2754° W · 1852 m · 3 mapped features
Gateway
shrinePrimary pyramid at Mound-Down Pyramid — enclosure wall
9.7471° S · 42.2731° WBurial Cluster
alignmentBurial zone — rock-cut chambers
9.7500° S · 42.2749° WHydraulic Channel
rock artHydraulic feature — well
9.7475° S · 42.2726° W