Thorium is a soft, very ductile, silver-gray, heavy, metallic element of the actinide series of elements.

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Annual Publications

Mineral Commodity Summaries

• Thorium
    PDF Format:
       | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |2013 |2014 |2015 |2016 |2017 |2018 | 2019 |
• Appendixes

Minerals Yearbook

• Thorium
    PDF Format:
       | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
    XLS Format:
       | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 tables-only release |
• Archive
       | 1932-1993 |

Special Publications

• Historical Statistics for Mineral and Material Commodities in the United States 
  Data Series 140
  • Thorium
• Metal Prices in the United States through 2010
  Scientific Investigations Report 2012-5188