Rock Units. A lithostratigraphic unit is defined as a body of sedimentary, extrusive igneous, metasedimentary, or metavolcanic strata which is distinguished on the basis of lithologic characteristics and stratigraphic position (position in the rock sequence).The smallest lithostratigraphic rock unit is the bed.edimentary environments that started out side-by-side will end up overlapping one another over time due to sea level change (transgressions and regressions). The result is a vertical sequence of beds. The vertical sequence of facies mirrors the original lateral distribution of sedimentary environments.
The US Supreme Court, as an institution, is head of the Judicial Branch. The Chief Justice of the United States presides over the Court and is the head of the judiciary during his (or her) tenure, but the Associate Justices don't really play a leadership role.
Report Abuse. Each branch has parts within it. In the Judicial Branch the top court is the supreme court of the United States. It consists of 9 judges who are called justices and their chief justice is currently John Roberts.The legislative branch is the congress which is made up of the House of Representatives and the Senate.The House is led by the speaker of the house (currently Nancy Pelosi) and the senate is led by the President of the senate and the president pro tempore (currently Robert Btyrd).he legislative branch is the congress which is made up of the House of Representatives and the Senate. The House is led by the speaker of the house (currently Nancy Pelosi) and the senate is led by the President of the senate and the president pro tempore (currently Robert Btyrd).