Olmec transported thousands of tons of stone from distant sources. Olmec transported 2 to 7 ton basalt columns, with some reaching 14-15 tons Megalithic altars weighed 40-50 tons before carving, possibly 50+ tons during transport Serpentine mosaic caches weighed over 1,000 tons each, with 5 known caches totaling 5,000+ tons
The Olmec moved extraordinary amounts of stone: 2 to 7 ton basalt columns, 40-50 ton megalithic altars, and serpentine mosaic caches weighing over 1,000 tons each—five known caches total roughly 5,000+ tons. All material came from outside their heartland: basalt from 90+ miles northwest and serpentine from 100+ miles away in Maya territory. How they transported a 50-ton head remains unknown.
Key Facts
- Olmec transported 2 to 7 ton basalt columns, with some reaching 14-15 tons
- Megalithic altars weighed 40-50 tons before carving, possibly 50+ tons during transport
- Serpentine mosaic caches weighed over 1,000 tons each, with 5 known caches totaling 5,000+ tons
- All material sourced from outside the Olmec heartland: basalt from 90+ miles northwest, serpentine from 100+ miles away in Maya territory
- A nautical engineer calculated that the minimum raft size for a 5-ton head would not fit through narrow stretches of the Coatzacoalcos River
- The smallest Olmec head is 6 tons and the largest exceeds 50 tons, making transportation method unknown
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