http://inspire.ec.europa.eu/codelist/BoreholePurposeValue/explorationExploitationNonmetallicMineralDepositsINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 17:29 PM CEST2015-08-18 17:29 PM CESTexploration and exploitation of nonmetallic mineral depositsProspecting with regard to the availability and planning for excavation of nonmetallic mineral deposits, mainly for construction purposes, building stones, cement and ceramic or glass industry.