A lost mega-cliff may explain the Grand Canyon’s missing billion years

ScienceDaily
Aug 20, 2026, 11:43 pm75 ptsTrending
A colossal cliff system created as the supercontinent Rodinia broke apart may have exposed the heart of the Grand Canyon nearly a billion years before the Colorado River carved it. The ancient landscape could also help explain why enormous sections of North America’s geological record appear to be missing.

Read Article Share
Share Article
- email
- x.com
- facebook
- pocket
- reddit
- tumblr
- linkedin
- pinterest

Trending Today on EcoTopical

Waymo Fully Launches Robotaxi Service in Houston 129

Mahle Introduces Range Extender For Electric Trucks 128

Waymo — “A look under our trunk: what’s in our compute” 126

Tesla discontinues its Solar Roof tiles, not economically viable 126

Hermit crabs and cockroaches emerge as unlikely seed dispersers on a Japanese island 114

Princeton Critical Minerals Raises $16M to Scale Lithium Production Technologies 112

Poland Created Hydrogen Bus Demand. Polenergia Still Walked Away From Supply. 112

Extreme Heat Waves Fuel Political Tensions in Europe 103

About EcoTopical

Welcome to EcoTopical Your daily eco-friendly green news aggregator.

Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.