08.91  Mining of chemical and fertiliser minerals

active

Includes

• mining of natural phosphates and natural potassium salts
• mining of native sulphur
• extraction and preparation of pyrites and pyrrhotite, except roasting
• mining of natural barium sulphate and carbonate (barytes and witherite), natural borates, natural magnesium sulphates (kieserite)
• mining of earth colours, fluorspar and other minerals valued chiefly as a source of chemicals

Also includes

• guano mining
• mining of medicinal mud
• extraction processes to produce lithium from brine

Excludes

• extraction of salt, see 08.93
• roasting of iron pyrites, see 20.13
• manufacture of synthetic fertilisers and nitrogen compounds, see 20.15

What changed from NACE Rev. 2

Unchanged: NACE Rev. 2 class 08.91 maps 1:1 to NACE Rev. 2.1 08.91 with the same heading.

Related codes

Reference data