Quarrying of stone, sand and clay

This class includes: - quarrying, rough trimming and sawing of monumental and building stone such as marble, granite, sandstone etc. - breaking and crushing of ornamental and building stone - quarrying, crushing and breaking of limestone - mining of gypsum and anhydrite - mining of chalk and uncalcined dolomite

This class excludes: - mining of chemical and fertiliser minerals, see 08.91 - production of calcined dolomite, see 23.52 - cutting, shaping and finishing of stone outside quarries, see 23.70