Dennis Ogburn

Archaeologist; radiocarbon-dated the Inca outpost Chamical in Ecuador

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Radiocarbon dating rewrites the Inca Empire's timeline

Published a 2012 Radiocarbon paper calling for a new Inca chronology

For more than half a century, archaeologists dated the Inca Empire from a Spanish colonial chronicle claiming the empire ruled just 94 years before the Spanish conquest began in 1532. A wave of radiocarbon dating has now shown that timeline is wrong.

Updated 3 hours ago