The earliest Ice Ages main content.

The earliest Ice Ages

The Earliest Ice Ages AMNH/R.Mickens

Exhibition Text

This 2.3-billion-year-old outcrop of the Bruce formation contains evidence of a very early Ice Age. It formed at the far end of a river delta.

AMNH collection

For Educators

Topic: Earth Science

Subtopic: Geologic Time

Keywords: Geology, Stratigraphic--Precambrian, Glacial epoch, Paleoclimatology

Audience: General