Upheaval Dome is a giant rock formation in southeastern Utah with two potential origin stories, although most scientists ...

Sedimentary rock like sandstone is laid down in layers. Changes in the size and chemistry of the layers can tell us about climate conditions millions of years ago. Rocks and fossils can be studied ...

Sedimentary rock like sandstone is laid down in layers. Changes in the size and chemistry of the layers can tell us about climate conditions millions of years ago. Rocks and fossils can be studied ...

The sandstone itself was deposited roughly 360 ... in moister layers or oxidized iron compounds (orange) in dry layers of rock. In the orange layers, the rock dried out too quickly for the ...