structure, tectonics

Which way is up?

No, your eyes aren’t deceiving you, these rock layers are nearly vertical! Although they were once horizontal, these Paleozoic sedimentary units have been tilted so that they now dip nearly 90 degrees. These rocks are located in northeast Tennessee and are part of the Appalachian foreland fold-thrust belt. Though built by multiple orogenies, the Alleghenian… Continue reading Which way is up?