Aftonian

views updated May 14 2018

Aftonian The earliest (1.3–0.9 Ma) of four interglacial stages in North America, following the Nebraskan glacial episode, and approximately equivalent to the Donau/Günz interglacial of Alpine terminology. Climatically it was marked by mild summers and winters warmer than those in present-day North America.

Aftonian

views updated May 08 2018

Aftonian The earliest (1.3–0.9 Ma) of four interglacial stages in N. America, following the Nebraskan glacial episode, and approximately equivalent to the Donau/Günz interglacial of Alpine terminology. Climatically it was marked by mild summers and winters warmer than those in present-day N. America.

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