Quarrying of stone, sand and clay
Quarrying of slate and building and monumental stone other than marble and granite
Mining of gypsum including selenite
Operation of sand or gravel pits, basalt / porphyry, clay (ordinary), crushing and breaking of stone for use as a flux or raw material in lime or cement, manufacture or as building material, road metal or ballast and other materials for construction
Mining/quarrying of limestone, limeshell, ?kankar? and other calcareous minerals including calcite, chalk and shale
Mining of clays (kaolin, ball clay, wollastonite, bentonite, fuller?s earth, fire clay etc. )
Mining of refractory non-clay minerals (andalusite, kyanite, sillimanite, dunite, diaspore magnesite, diaspore, magnesite)
Mining of chemical and fertilizer minerals
Mining of native sulphur or pyrites and pyrrhotites valued chiefly for sulphur
Mining of natural phosphates including apatite minerals
Mining of earth colours (ochre including red oxide).
Mining of potash bearing salts/minerals; borate minerals and other fertiliser and chemical minerals n.e.c.
Extraction and agglomeration of peat
Salt mining, quarrying, screening etc.
Salt production by evaporation of sea water or other saline waters
Other mining and quarrying n.e.c.
Mining of gemstones (agate, diamond, emerald, garnet (gem), jasper, rubby/ saphire etc.
Mining and quarrying of abrasive materials (pumice stone, emery, corundum, garnet and other natural abrasives)
Mining of natural graphite
Mining of vermiculite, perlite and chlorites
Mining of felspar and silica minerals including quartz, quartzite and fuch. Quartzite
Mining of laterite, diatomite and silicious fossil meals (e.g. diatomite); and other natural fluxes; natural asphalt or bitumen and other mining n.e.c.