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.
It was created by the Congress to provide the nation with a safer, more flexible, and more stable monetary and financial system. The Federal Reserve was created on December 23, 1913, when President Woodrow Wilson signed the Federal Reserve Act into law.he Federal Reserve System, often referred to as the Federal Reserve or simply the Fed, is the central bank of the United States.