Note that this means that while normally ore deposits are separated by two chunks (x=1, x=4, x=7, etc.) they are only separated by one chunk around x=0 and z=0 (ore veins on the x=-1 and x=1 lines). So if you are diligently digging down on every third chunk, keep in mind you need to realign the pattern as you cross the zero lines.
Mostly unrelatedly, while looking at the code myself I saw that there was a different off-by-one error in the ore generation that was causing the first ore type to be slightly (+1 weight) more common and the last ore type to be slightly less (-1 weight) common. Not positive on how they end up ordered but worst case that's like 20% less Naquadah.
Or actually if The Big N is only in the asteroids it might be using a different algorithm anyway so maybe not. There's something else that's eating a hit to abundance though.