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Silicon (Si) is a light chemical element that combines with oxygen and other elements to form silicates. Silicon in the form of silicates constitutes more than 25% of the Earth's crust. Silica (SiO2) as quartz or quartzite is used to produce silicon ferroalloys and silicon metal. Demand for silicon ferroalloys is driven principally by the production of cast iron and steel. Silicon metal, which generally is produced like ferrosilicon in submerged-arc electric furnaces, is used not as a ferroalloy, but rather for alloying with aluminum and for production of chemicals, especially silicones. Small quantities of silicon are processed into high-purity silicon for use in the semiconductor industry.
Publications
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Annual Publications
- Silicon
PDF Format:
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | - Appendixes
- Silicon
PDF Format:
| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
XLS Format:
| 2002 | 2003 | 2004 | 2005 | 2006 | - Archive
| 1932-1993 | - Ferroalloys
- Recycling-Metals
Monthly Publications
- Silicon
PDF Format:
2008: | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
2007: | Dec |
XLS Format:
2008: | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
2007: | Dec |
Special Publications
- Historical Statistics for Mineral and Material Commodities in the United States
Data Series 140 - Metal Prices in the United States through 1998
- Silicon (PDF)
- Statistical Compendium
Contact
- USGS Mineral Commodity Specialist
Lisa A. Corathers
Phone: 703-648-4973
Fax: 703-648-7757
Email: lcorathers@usgs.gov