Pitch:    Angle between the horizontal and any linear feature.  Synonymous with “rake”.  Used to describe the linear orientation of an “ore shoot”, which is a linear zone of relatively higher grade ore within the plane of a vein.

Intercept:   The depth range of a feature of interest (chemical, mineralogical, etc..) found in a drill hole in which the upper and lower boundaries are specified.

Intersect:   To meet and cross at a point. 

Collar Location:   The location of the mouth or opening of a drill hole or mine working.