Like any subculture's new guard, the modern telemark movement seems to have a quirky relationship with its history. Instead ...

The Great Unconformity represents a gap in time in the Grand Canyon and other parts of the world. It is a geological feature ...

Thirty years later, groups are no closer to increasing protections for the area made up of Frenchman Mountain, Rainbow Gardens and the Great Unconformity — a slab of exposed rock that reveals a ...

The proposed national monument also includes the “Great Unconformity,” a geological rarity that represents about 1.2 billion years of Earth’s missing history, within its boundaries.