The assumption of an attainable average of mineralization by quantifying the mineralization found through results of well spaced representative drill samples
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Tag: <span>D</span>
The assembly of a drill bit with a drill rod, alone or with more than 1 drill rods in succession
A completed setup including a drill, drill string, mount, power, required accessories and housing
The location and distance of a series of holes drilled for mineral exploration and testing
A gear powered drilling hand tool