I was going to post quite a detailed post last night but run out...

I was going to post quite a detailed post last night but run out of time I was going to and will tag in @bu
ngy234 it's about fault lines so I have mucked up this rough version on my phone not to scale but gives you a idea Catoca and most other significant deposits are adjust to fault lines and grouped together the fault line from Catoca extends all the way into our area then turns left around the line I have indicated....
will post info I have dug up from 2012 maybe bungy could over lay what I have got over his more recent Google Earth work