NAICS Code 21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
IndustryMining, Quarrying, and Oil and Gas Extraction
DescriptionThis industry comprises (1) establishments primarily engaged in developing the mine site and/or mining, quarrying, dredging for sand and gravel, or mining clay (e.g., china clay, paper clay and slip clay), and (2) preparation plants primarily engaged in beneficiating (e.g., washing, screening, and grinding) sand and gravel, clay, and ceramic and refractory minerals.
Cross ReferencesEstablishments primarily engaged in
- Calcining, dead burning, or otherwise processing (i.e., beyond basic preparation) clay or refractory minerals: classified in Industry 32799, All Other Nonmetallic Mineral Product Manufacturing
- Shaping, molding, baking, burning, or hardening nonclay ceramics, clay and nonclay refractories, and structural clay products: classified in Industry 32712, Clay Building Material and RefractoriesManufacturing
- Shaping, molding, glazing, and firing pottery, ceramics, and plumbing fixtures: classified in Industry 32711, Pottery, Ceramics, and Plumbing Fixture Manufacturing.
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