This view also shows the fault. The lower set of red arrows...

This view also shows the fault. The lower set of red arrows shows the offset noted in an earlier post. What's happening to the north is unclear. The only area where you get the near north/south fault without the blue/brown NW/SE strands is a couple of km further to the north. I've got low confidence on this interpretation, but potentially a few billion years ago the upper set of red arrows were also connected. How you transition between that and what is seen now, I'm not sure.

Drill holes like 17, 25, 26/37 and 36 are all on the left hand side of this major fault line. Given the faulting, its actually more of a surprise that mineralised pegs were found there, than they were thin. This however means this fault line does not act as a western limit as it potentially could have. If this fault split occurred after the pegmatites formed, you might find the NW extension of RC22/DD24 is not connected in the way you would expect if fault movement were not a factor.