The protolith may be a sedimentary rock, an igneous rock or another older metamorphic rock. Metamorphic rocks make up a large part of the Earth 's crust and are classified by texture and by chemical and mineral assemblage (metamorphic facies).
The Federal Reserve System (also known as the Federal Reserve, and informally as the Fed) is the central banking system of the United States.he chairman of the Federal reserve bank shall report to the Board of Governors of the Federal Reserve System any such undue use of bank credit by any member bank, together with his recommendation.
Summary. The Federal Reserve Act of 1913 created the Federal Reserve System that serves as the central bank for the United States. The Fed sets and implements the nation's monetary policy. A Board of Governors that consists of seven members, including a chairman, runs the Fed.