world demand on resources are going to keep peaking
not enough gold supply vs demand
The United States Bullion Depository holds about 5,037.5 tons (4,570 metric tonnes) of gold bullion (147.3 million ounces. It is second in the United States only to the Federal Reserve Bank of New York's underground vault in Manhattan, which holds about 5,000 tons of gold in trust for many foreign nations, central banks and official international organizations.
300 mill ounces x $815 ounce = 2.4 trillion in reserves
fort knox will need to be sold off at $4000 per ounce to repay the $US debt