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.
The Federal Reserve is the central banking system for the United States of America. Also known as the Fed, this system was created by Congress in 1913 under the Federal Reserve Act. Congress set out three key goals for the Federal Reserve: moderate interest rates, stable prices and maximum employment.