As can be seen in this image the US Monetary base and Gold are usually in relative sync…. However of late there seems to have been a disconnect.

St. Louis Adjusted Monetary Base (AMBSL)

2013-07: 3,310.247 Billions of Dollars Last 5 Observations

Monthly, Seasonally Adjusted, Updated: 2013-08-16 7:16 AM CDT

But

Gold Jan 2000 – 2013

When we look at Monetary Supply Vs Gold we see much the same thing and if this piques your interest this article: Gold versus the money supply is likely helpful.