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Found 2 results for "refractory minerals"
212323
Kaolin, Clay, and Ceramic and Refractory Minerals Mining
NAICS code 212323 covers establishments engaged primarily in the extraction and beneficiation of kaolin, clay, and ceramic and refractory minerals. Th...
kaolin mining
clay beneficiation
ceramic minerals
refractory minerals
mine site development
212390
Other Nonmetallic Mineral Mining and Quarrying
NAICS code 212390 encompasses establishments engaged primarily in the extraction, development, and processing of nonmetallic minerals excluding coal,...
nonmetallic mineral mining
beneficiation
mine site development
barite mining
phosphate rock