1) breaking
2) mining
3) working
4) winning
5) extraction
all operations to extract the contents of the seam from the geological formation in which it is located
GRM: n. (1,2,3,4,5)
References:
SPE area mining
SPE board and pillar mining
SPE continuous mining
SPE deep mining
SPE hydraulic mining
SPE hydraulicking
SPE longwall mining
SPE opencut mining
SPE opencast mining
SPE openpit mining
SPE open-pit mining
SPE open mining
SPE pillar and stall mining
SPE room-and-pillar technique
SPE room and pillar mining
SPE strip mining
SPE surface working
SPE surface mining
SPE underground mining
SPE underground working
SPE open-cut mining
SPE hydraulic winning
SPE drift mining
SPE auger mining
SPE opencast
SPE open cast mining
SPE placer mining

ENERGY TERM COURTESY OF ENERGY.EU