RE:Who wants to invest......To be fair, I have a slightly different reading: 7 attempts; 2 failed for broken rods; 2 failed for excess deviation, leaving 3 to report. 3 / 7 = 42% mechanical success. Geological success or failure is not know at this point.
ernesto47 wrote: in a rubble driller, 5 holes and only one with usable cores, come on, they are amateurs!