• Kyodo, Staff Report

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An international group of geologists on Friday formally adopted “Chibanian” as the name of a geologic age spanning 770,000 to 126,000 years ago, researchers said, marking the first time a Japanese name has been chosen.

The term means “Chiba age” and derived from a geological stratum discovered in Ichihara, Chiba Prefecture. The name was adopted at an executive meeting of the International Union of Geological Sciences in Busan, South Korea.

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