Cahokia mound shows imported clay layers. Poverty Point, Louisiana has 7 concentric rings cut by Mississippi River Evidence of copper processing at Poverty Point Cahokia has a stone structure at its center accepted by archaeologists
Archaeological analysis reveals Cahokia's mound built layer-by-layer with river clay, with evidence of organized civilization and division of labor 🏛️
Key findings:
- Poverty Point, Louisiana features an earthwork complex with six C-shaped concentric ridges enclosing a huge plaza
- Evidence of specialized craft activities at Poverty Point
- Cahokia's Monks Mound was constructed in multiple building episodes with different soil types
- The base layer contained dark, organic, artifact-laden material borrowed from nearby midden deposits
- Construction involved basket-transported soil and clay
Key facts:
- Poverty Point, Louisiana features six C-shaped concentric ridges built 3,400-3,500 years ago
- Cahokia's Monks Mound was built with basket-transported soil and clay
- The base layer contained dark, organic, artifact-laden material from nearby midden deposits
- The mound was added to dozens of times with different colored clay layers
- Organic material was incorporated into construction layers
Key Facts
- Poverty Point, Louisiana has 7 concentric rings cut by Mississippi River
- Evidence of copper processing at Poverty Point
- Cahokia has a stone structure at its center accepted by archaeologists
- The mound was added to dozens of times with different colored clay layers
- No organic material exists between layers
- Some clay layers came from 150 miles away
- Vince Barrows conducted 385 pages of analysis on Cahokia
- Evidence points to highly organized civilization with division of labor
Related site: Cahokia Mounds State Historic Site — view location, images, and history on the Ancient Nerds map.
Source: Ep. 6 - The Shaman and the Philosopher - Rick Osmon by Institute for Natural Philosophy