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

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

Statistical Summary

Mineral Commodity Summaries

Mineral Industry Surveys

Minerals Yearbook Volume I -- Metals and Minerals

Mineral Yearbook Volume II - California chapters

 The following data table gives nonfuel mineral commodity production data for California extracted from Table 5 in the 2015 Minerals Yearbook Statistical Summary.

Nonfuel Mineral Commodity Production in California1,2,3
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 |

Links

Contacts

Madan M Singh

State Mineral Specialist
National Minerals Information Center
Phone: 703-648-4916

Robert M Callaghan

State Mineral Specialist
National Minerals Information Center
Phone: 703-648-7709