Kaolin & Ball Clay Mining
Key Figures
Figures are published for NAICS 212324 directly.
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Official definition
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site and/or mining kaolin or ball clay (e.g., china clay, paper clay, and slip clay) and (2) establishments primarily engaged in beneficiating (i.e., preparing) kaolin or ball clay.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Kaolin and ball clay mining establishments develop mine sites and extract or beneficiate these specific clay types, including china clay, paper clay, and slip clay. The boundary with construction and industrial sand mining is clear: those codes cover sand products regardless of grade, while kaolin and ball clay mining covers only these two clay varieties. Establishments mining other clay types such as bentonite, fuller's earth, common clay, fire clay, or shale are classified in clay and ceramic and refractory minerals mining, which covers all clay minerals except kaolin and ball clay.