diamond drillingdiamond wire cuttingdiapiric structuresdifferential flotationdifferentiated layeringdifferentiated silldifferentiationdiffractiondiffuserdiffusion superimposed exposed halosdigdiggerdikedilation mapdilatometery testdiluted and highly washed halosdilutiondiluviumdimension stonedintdipdip faultdip jointdip separationdip slipdip slip faultdiplogenetic dispersiondipole arraydipperdirect flotationdirt banddisc cutterdisc filterdisc magnetic separatordischarge pressuredisconformitydiscriminant analysisdisharmonic folddisjunctive krigingdispersantdispersed elementsdispersed mineralizationdispersiondispersion haloesdisplacementdisplacement fielddisseminateddisseminated oredistrictdistrict zoning