Deep Sea Minerals - Vol 2 - Manganese Nodules
80,000 Recoverable cobalt in tonnes Increasing land-based cobalt production
70,000
60,000
50,000
40,000
30,000
20,000
10,000
0
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Year
Source: U.S. Geological Survey, MineralsYearbook series.
Figure 13 Increase in cobalt production. (Wilburn, 2012).
Sources of cobalt production
From primary cobalt operations
Byproduct from nickel industry
Byproduct from copper industry and other
Source:Wilburn, 2012
Figure 14 Current sources of cobalt. After Wilburn 2012.
MANGANESE NODULES 17
Made with FlippingBook