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Alleged footprints of early Americans found in volcanic rock in Mexico are either extremely old - more than 1 million years older than other evidence of human presence in the Western Hemisphere - or not footprints at all, according to a new analysis published this week in Nature.
The study was conducted by geologists at the Berkeley Geochronology Center and the University of California, Berkeley, as part of an investigative team of geologists and anthropologists from the United States and Mexico.
A tracery of tire marks amid indentations in the volcanic rock. Note the resemblance to shoeprints, not footprints.
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Earlier this year, researchers in England touted these "footprints" as definitive proof that humans were in the Americas much earlier than 11,000 years ago, which is the earliest firm date for human settlements after the first Americans arrived across a northern land-bridge from Asia.
These scientists, led by geologist Silvia Gonzalez of Liverpool's John Moores University, dated the volcanic rock at 40,000 years old….
But Paul Renne, director of the Berkeley Geochronology Center and an adjunct professor of earth and planetary science at UC Berkeley, and his colleagues in Mexico and at Texas A&M University report in the Dec. 1 issue of Nature a new age for the rock: about 1.3 million years.
"You're really only left with two possibilities," Renne said. "One is that they are really old hominids - shockingly old - or they're not footprints."
Originally posted by kenshiro2012
Sorry, beat you to this one
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