-
Dec 3, 2019, 1:38 pm129 ptsScienceDaily
A new study determined that the Earth's crust in southern Arizona was once almost 60 kilometers thick, which is twice as thick as it is today -- and comparable to how thick the crust is in parts of the Himalayas.
Trending Today on 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.
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.