NOAA logo National Ocean Service

Is there gold in the ocean?

8 June 2011, 12:14 pm

Yes, there is gold in the ocean.

Ocean waters do hold gold – nearly 20 million tons of it. However, if you were hoping make your fortune mining the sea, consider this: Gold in the ocean is so dilute that its concentration is on the order of parts per trillion. Each liter of seawater contains, on average, about 13 billionths of a gram of gold.

Original article: Is there gold in the ocean?