"The Great Unconformity is a very prominent geomorphic surface and there's nothing else like it in the entire rock record," says Shanan Peters, a geoscience professor at the University of ...

but it is possible that both earlier and later erosion were involved in forming the unconformity surface in different places. A global examination will tell us more." This is the first research ...

"The most well-known example of an unconformity is 'The Great Unconformity ... magnetite is not stable at Earth's surface and ...

The Great Unconformity which took place in North America ... bringing older rock to the surface while the newer rock got swept into the ocean. While a reasonable explanation, it's still a slightly ...

Photograph by Earth Gallery Photograph, Alamy The Great Unconformity has in turn often ... that a gargantuan erosional event happened at the surface. Although this erosion didn’t apply evenly ...

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 ...

A detailed ground gravity and electromagnetic (EM) survey is now underway, designed to vector in on priority targets along the highly prospective 31 km Rib-Nine Iron Trend; The Company anticipates ...