National Minerals Information Center
The Mineral Industry of California
Statistics and information on the nonfuel mineral commodities produced in California
Minerals Yearbook Vol. II - Domestic
The 2014 California chapter containing text and data tables is available in PDF and XLS formats. Other years are available through the links below.
Sources of information
California is the sole producer of boron and rare earths and a leading producer of aggregates, cement, diatomite, feldpar, pumice, soda ash, and produced the widest variety of industrial minerals and metals of all the States.
Aggregates by State and End Use, 1971-2015
The following data table gives nonfuel mineral commodity production data for California extracted from Table 5 in the 2015 Minerals Yearbook Statistical Summary.
| Mineral Commodity | Units | 2014 Quantity | 2014 Value (thousands) | 2015 Quantity | 2015 Value (thousands) |
|---|---|---|---|---|---|
| Cement, masonry | Thousand metric tons (1000 t) | 186 | 20,100e | 188 | 20,800e |
| Cement, portland | 1000 t | 9,810 | 829,000e | 9,770 | 887,000e |
| Gemstones, naturale | 1000 t | NA | 1,210 | NA | 882 |
| Gypsum, crude | 1000 t | 689 | 6,030 | 690 | 5,930 |
| Rare earthse, 5 | metric tons | 5,400 | W | 5,900 | W |
| Sand and gravel, construction | 1000 t | 86,000r | 1,000,000r | 97,000 | 1,090,000 |
| Sand and gravel, industrial | 1000 t | 1,520 | 52,500 | 1,860 | 66,100 |
| Stone, crushed | 1000 t | 37,500r | 321,000r | 38,400 | 331,000 |
| Stone, dimension | 1000 t | 23 | 9,170 | 21 | 7,780 |
| Combined values of boron minerals, clay (bentonite, common, fuller's earth, kaolin), diatomite, feldspar, gold, lime, magnesium compounds, perlite [crude (2013)], pumice and pumicite, salt, silver, soda ash, tungsten, zeolites, and values indicated by symbol W. | XX | 916,000r | XX | 971,000 | |
| Total | XX | 3,160,000r | XX | 3,380,000 |
eEstimated. rRevised. NA Not available. XX Not applicable.
1Includes data from the commodity chapters published in the Minerals Yearbook as they were completed and released through June 2018.
2Production as measured by mine shipments, sales, or marketable production (including consumption by producers).
3Data are rounded to no more than three significant digits; may not add to totals shown.
5Rare-earth-oxide (REO) basis.
Minerals Yearbook Volume II California chapters:
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Current edition:
| 2014 PDF format | 2014 XLS format |
Recent years:
- PDF Format:
| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010-2011 | 2012-2013 | 2014 |
- XLS Format:
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010-2011 | 2012-2013 | 2014 |
Archive:
| 1932-1993 |