The "Great Unconformity" And Earth's Missing Billion...

partage un lien

2026-02-28 10:00:13

WWW.IFLSCIENCE.COM

The "Great Unconformity" And Earth's Missing Billion Years May Have A New Explanation

In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

0 Commentaires 0 Parts 27 Vue