smithsonianmag.com
In the 19th century, many people believed that landscapes like the Grand Canyon were shaped by volcanoes and earthquakes. But one American geologist named John Newberry had different ideas. (2:20)
Tag Archive for: Grand Canyon
npr.org
In recent years geologists have hotly debated the age of the Grand Canyon. Some think it’s young (just 6 million years old), while others argue that it dates back 70 million years — to the days of dinosaurs.
LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.