Layer 4: Stocks and flows
4.04. Extraction: Mining
All mineral extraction that takes place within the system boundaries. This can include commodities like sand, gravel,clay, limestone, salt, coal, or gas, but also metals including iron, copper, gold, zinc, or uranium. For a more detailed breakdown by material type, look at MF2, MF3, and MF4 in the Eurostat material catalogue, or explore the economic activities listed under NACE code B.