SCIAN 21232—Mining of sand, gravel, tezontle, tepetate, clays and other refractory minerals

Where 21232 sits

1. 21 Mining
2. 212 Mining of metallic and non-metallic minerals, except oil and gas
3. 2123 Non-metallic mineral mining
4. 21232 Mining of sand, gravel, tezontle, tepetate, clays and other refractory minerals

Contains 6 narrower codes

• 212321 Sand and gravel mining for construction
• 212322 Tezontle and tepetate mining
• 212323 Feldspar mining
• 212324 Silica mining
• 212325 Kaolin mining
• 212329 Mining of other clays and other refractory minerals

Description

Economic units mainly engaged in the exploitation (in sandbanks, quarries, underground mines) of sand, gravel, tezontle, tepetate and clays, such as feldspar, silica, quartz, flint, kaolin, magnesite and Fuller's earth or fuller's earth, and other refractory minerals, such as bentonite, figulina and wollastonite, and beneficiation activities, such as cleaning, grinding, screening and concentration.

What 21232 includes

• Establishments primarily engaged in the exploitation of confitillo and cacahuatillo.

Cross-references for 21232

• Establishments primarily engaged in obtaining of clay integrated with the production of finished articles (32711, Manufacture of pottery, porcelain, earthenware and bathroom furniture).

21232 in other systems