A disconformity is an unconformity between parallel layers of sedimentary rocks which represents a period of erosion or non-deposition. Disconformities are marked by features of subaerial erosion.This type of erosion can leave channels and paleosols in the rock record. blended unconformity is a type of disconformity or nonconformity with no distinct separation plane or contact, sometimes consisting of soils, paleosols, or beds of pebbles derived from the underlying rock.
The current Cabinet includes the Vice President and the heads of 15 executive departments, listed here according to their order of succession to the Presidency.
As head of the executive branch, the president must appoint the top officials for all of the federal agencies. These positions are listed in the Plum Book which outlines more than seven thousand appointive positions in the government. Many of these appointments are made by the president.