martes, 29 de enero de 2013

Oldest stone hand axes unearthed

Nearly 2 million years old, tools may correlate with rise of human ancestor

Scientists have unearthed and dated some of the oldest stone hand axes on Earth. The ancient tools, unearthed in Ethiopia in the last two decades, date to 1.75 million years ago.

The tools roughly coincided with the emergence of an ancient human ancestor called Homo erectus, and fossilized H. erectus remains were also found at the same site, said study author Yonas Beyene, an archaeologist at the Association for Research and Conservation of Culture in Ethiopia. Collectively, the finding suggests an ancient tool-making technique may have arisen with the evolution of the new species.

"This discovery shows that the technology began with the appearance of Homo erectus," Beyene told LiveScience. "We think it might be related to the change of species."

The findings were described Jan. 28 in the journal Proceedings of the National Academy of Sciences [...] MSNBC.com

Link 2: The characteristics and chronology of the earliest Acheulean at Konso, Ethiopia

Actualización 30-01-13. Nuevas dataciones del achelense de Konso (Etiopía) retrasan su antigüedad hasta los 1,75 millones de años
Un breve comentario sobre un nuevo trabajo de acceso libre publicado en PNAS, el cual ha situado la antigüedad del achelense de Konso en torno a los 1,75 millones de años, en fechas similares al achelense de Kokiselei, Kenia....

1 comentario:

salaman.es dijo...

Actualización. Nuevas dataciones del achelense de Konso (Etiopía) retrasan su antigüedad hasta los 1,75 millones de años.