Scientists are floating a new way to explain a geological feature called the Great Unconformity, where the record of a billion years is just missing from between the layers of rock. Or, to be more ...

The size of the Great Unconformity also differs across the canyon, with a smaller gap to the east, Peak said. At its smallest, the gap covers about 250 million years.

The mystery of the Great Unconformity is inherently tied to two of geology’s other great enigmas: the rise and fall of Snowball Earth and the sudden emergence of complex life in the Ediacaran and ...

Dating the Great Unconformity Back to 1.4 Billion Years Jensen and Ault applied their method to samples from 1.7-billion-year-old rocks located below a major unconformity in the Colorado Front ...

If its breakup is connected to the 'Great Unconformity,' it could shed more light on both. 'The Great Unconformity is one of the first well-documented geologic features in North America,' lead ...

One of the things I love to do on this blog is share photographs of geology I’ve taken while doing field work, attending field trips/conferences, or simply traveling. I started this series of ...

The Great Unconformity of Earth's Geology May Have Been Crushed by Glaciers The Great Unconformity isn't just a nickname for your teenage years. by Peter Hess Jan. 3, 2019 ...