Definitions for "Angular unconformity"
Keywords:  unconformity, eroded, tilt, strata, dip
An unconformity in which younger sediment or sedimentary rocks rest on the eroded surface of tilted or folded older rocks.
An unconformity in which the strata below were tilted or folded before the unconformity developed; strata below the unconformity therefore have a different tilt than strata above.
an unconformity in which the older strata dip at a different angle than the younger strata.