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NAICS 21239
Other nonmetallic mineral mining and quarrying




2007 NAICS Definition

This industry comprises establishments primarily engaged in developing the mine site, mining, and/or milling or otherwise beneficiating (i.e., preparing) nonmetallic minerals (except coal, stone, sand, gravel, clay, ceramic, and refractory minerals).

Cross-References. Establishments primarily engaged in--

  • Mining or quarrying dimension stone--are classified in Industry 21231, Stone Mining and Quarrying;
  • Mining or quarrying sand, gravel, clay and ceramic and refractory minerals--are classified in Industry 21232, Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying;
  • Calcining, dead burning, or otherwise processing (i.e., beyond basic preparation) minerals, such as talc, mica, feldspar, barite, and soapstone--are classified in Industry 32799, All Other Nonmetallic Mineral Product Manufacturing;
  • Manufacturing boron compounds and potassium salts--are classified in Industry 32518, Other Basic Inorganic Chemical Manufacturing;
  • Manufacturing table salt--are classified in Industry 31194, Seasoning and Dressing Manufacturing;
  • Manufacturing salt (except table salt)--are classified in Industry 32599, All Other Chemical Product and Preparation Manufacturing; and
  • Manufacturing phosphoric acid, superphosphates, or other phosphatic fertilizer materials--are classified in Industry 32531, Fertilizer Manufacturing.
 
 
Source: U.S. Census Bureau  |  Economic Programs  |  (301)763-2547  |  econ@census.gov  |  Page Last Modified: May 03, 2011