http://inspire.ec.europa.eu/codelist/ExplorationActivityTypeValue/reconnaissancePercussionDrillingINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 17:34 PM CEST2015-08-18 17:34 PM CESTreconnaissance percussion drillingThe assessment of the resource using percussion drilling, sometimes on a grid with a wide mesh. The aim of this phase is the (still rough) delineation of the envelope of an orebody. Drill logging, sampling of mineralized sections to better understand the distinctive features of the deposit, the physical properties of the ore, and finally to lead to a first (still approximate) calculation of the resource.