Disconformity when contrasted with

Disconformity when contrasted with angular unconformities disconformities are more common, but usually conspicuous because the strata on either side are essentially parallel. For example, look at the disconformities in the cross section of the Grand Canyon in Figure 11 Many disconformities are difficult to identify because the rocks above and below are similar a thereis little evidence of erosion. Such a break often resembles an ordinary the ancient erosion surface is cut deeply into the older rocksbelow.