Mining and quarrying, contract drilling and related support activities

2123 - Non-metallic mineral mining and quarrying

This industry group comprises establishments primarily engaged in mining or quarrying non-metallic minerals, except coal. Primary preparation plants, such as those engaged in crushing, grinding and washing, are included.

• Exclusion(s)

  • manufacturing brick and other structural clay products(327120)
  • manufacturing cement(327310)
  • manufacturing lime(327410)
  • cutting and finishing stone and stone products(327990)

21231 - Stone mining and quarrying

This industry comprises establishments primarily engaged in mining or quarrying dimension stone, rough blocks or slabs of stone, and crushed and broken stone.

21232 - Sand, gravel, clay, and ceramic and refractory minerals mining and quarrying

This industry comprises establishments primarily engaged in operating sand and gravel pits, including dredging for sand and gravel; mining or quarrying shale; and mining, beneficiating or otherwise preparing kaolin or ball clay, including china clay, paper and slip clays, and other clays and refractory minerals.

21239 - Other non-metallic mineral mining and quarrying

This industry comprises establishments, not classified to any other industry, primarily engaged in mining, beneficiating or otherwise preparing non-metallic minerals, such as asbestos, gypsum and potash, and extracting peat.

• Exclusion(s)

  • mining or quarrying dimension stone (See 21231 Stone mining and quarrying)
  • operating sand and gravel pits and dredging for sand and gravel (See 212323 Sand and gravel mining and quarrying)
  • mining or quarrying shale and mining, beneficiating, or otherwise preparing clays and refractory minerals (See 212326 Shale, clay and refractory mineral mining and quarrying)
  • production of phosphoric acid, superphosphates or other manufactured phosphate compounds or chemicals(325313)