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, and 2015-2016 data are presented in the table.

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.

Statistical Summary

Aggregates Data by State, Type, and End Use

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 2016 Minerals Yearbook Statistical Summary.

Nonfuel Mineral Commodity Production in California1,2,3
Mineral Commodity Units 2015 Quantity 2015 Value (thousands) 2016 Quantity 2016 Value (thousands)
Cement, masonry Thousand metric tons (1000 t) 188 20,800e 220 25,800e
Cement, portland 1000 t 9,770 887,000e 9,600 907,000e
Gemstones, naturale 1000 t NA 882 NA 769
Gypsum, crude 1000 t 690 5,380r 814 6,510
Rare earthse, 5 metric tons 5,900 W -- --
Sand and gravel, construction 1000 t 95,400r 1,070,000r 95,400 1,120,000
Sand and gravel, industrial 1000 t 1,860 66,100 1,620 54,200
Stone, crushed 1000 t 41,100r 360,000r 41,600 370,000
Stone, dimension 1000 t 21 7,780 17 6,750
Combined values of boron minerals, clay (bentonite, common, montmorillonite, kaolin), diatomite, feldspar, gold, lime, magnesium compounds, pumice and pumicite, salt, silver, soda ash, 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. -- Zero.

1Includes data from the commodity chapters published in the Minerals Yearbook as they were completed and released through March 2019.

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