Quarrying of stone, sand and clay

Quarrying of stone, sand and clay involves the extraction of non-metallic minerals from open pits, quarries or surface mines, including activities such as drilling, blasting, cutting, loading and basic processing to produce raw material for construction, ceramics and other manufacturing uses. This sector covers the removal of stone, aggregates, sand, gravel and various types of clay and the preparation of these materials for sale or further industrial treatment.