New research strengthens the link between glaciers and Earth’s ‘Great Unconformity’

Asha Bajaj
5 min readJan 31, 2022

#Research; #Glaciers; #EarthGreatUnconformity

Researchers used thermochronometric data from four North American locations to determine the cause of the “Great Unconformity” — a massive loss of rock about 700 million years ago. Credit: Kalin McDannell

New research provides further evidence that rocks representing up to a billion years of geological time were carved away by ancient glaciers during the planet’s “Snowball Earth” period, according to a study published in Proceedings of the National Academy of Sciences.

Asha Bajaj

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