The period is named for Japan’s Chiba prefecture, where a cliff shows evidence of the most recent reversal of Earth’s magnetic field
from Smart News Travel | Smithsonian Magazine https://ift.tt/2P9aopB
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Smart News Travel | Smithsonian Magazine
The 'Chibanian Age' Is the First Geologic Period Named After a Site in Japan
The 'Chibanian Age' Is the First Geologic Period Named After a Site in Japan
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Smart News Travel | Smithsonian Magazine
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