Chemical analysis links Cansot quarry stone to the 24-ton El Silencio sphere 1 km away

October 17, 2026Excavation

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Source: I Investigated the Costa Rica Stone Spheres. The Answer Surprised Me by Curious Being

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Probable pre-Columbian quarry and workshop at El Cansot in the Talamanca foothills — 1 km (0.6 mi) from El Silencio, home of the largest known sphere at 24 tons 🪨🔬

Key facts

Researchers located a probable pre-Columbian quarry and sphere workshop known as Cansot in the foothills of the Talamanca mountain range.
Cansot lies about 1 km (0.6 miles) from El Silencio, the location of the largest known sphere, reported as weighing 24 tons.
At Cansot an intact sphere was found alongside numerous large blocks of gabbro.
Chemical analysis confirmed that stone from Cansot has a composition similar to the El Silencio sphere, and Cansot material was used for conservation testing.
The video argues this short distance revises the popular claim that the Diquis hauled multi-ton spheres some 50 miles through jungle and rivers, while noting long-distance transport may still apply to spheres far from the mountains.
A natural boulder at the Cansot quarry photographed next to the El Silencio sphere shows that the broad swelling roundness of the raw stone existed before human working.