Geologists rewrite textbooks with new insights from Cambrian rocks of Grand Canyon
Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...
Forbes2y
New Study Suggests ‘Missing Billion Years’ In Rock Record Carved Away By ‘Snowball Earth’ Glaciers
"The Great Unconformity sets the stage for the Cambrian explosion of life, which has always been puzzling since it is so abrupt in the fossil record—geological and evolutionary processes are ...
Newsweek3d
Grand Canyon Discovery Rewrites Textbooks on Key Point in History of Life
The Grand Canyon may rewrite the textbooks on the Cambrian Explosion—a key turning point in Earth's history when there was a sudden boom in complex life and the emergence of all the major animal ...