"It's really just a coincidence that we see this unconformity corresponding to this same gap of time everywhere." The research was published Aug. 12 in the journal Geology. Originally published on ...

The term Great Unconformity was first used in the year 1869 to describe the prominent stratigraphic surface in the Grand Canyon that separates the shallow marine, ∼525-Myr-old Cambrian Tapeats ...

"The Great Unconformity is a very prominent geomorphic ... But Peters says the gap itself – the missing time in the geologic record – may hold the key to understanding what happened.

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 ...

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 ...

Jensen and Ault report their findings in the journal Geology. "Unconformities in the rock record are like missing chapters in the book of geologic time," says Jensen, a USU Presidential Doctoral ...

Studying layers, and where these layers merge, can tell us about local geology as well as big events ... no middle-aged layers in between. Known as "unconformities", these can be the result ...

“The Book of Unconformities” is a consummately ... In “Annals of the Former World,” a survey of North American geology, John McPhee posed the question to himself with amusement ...

"The Book of Unconformities" is a consummately "unstable ... In "Annals of the Former World," a survey of North American geology, John McPhee posed the question to himself with amusement ...