ICNEA 1013—Refractory soil and stone mining

Where 1013 sits

1. B Mining industry
2. 10 Non-metallic ore mining and selection industry
3. 101 Soil, sand and gravel mining
4. 1013 Refractory soil and stone mining

What 1013 includes

• Including the mining activities of the following refractory soils and stones：
• Refractory clay: high alumina clay, hard clay, soft clay
• Refractory clay clinker: high alumina clay clinker, hard clay clinker
• Iron bauxite
• Dolomite
• Calcined dolomite
• Red pillar
• Blue crystal
• Xixiangshi
• Fluorite: fluorite for metallurgy, fluorite for chemical industry, and fluorite for other purposes
• Other refractory soils and stones

1013 in other systems