Something this spectacular should be easy to spot, but gold in its natural habitat is remarkably tricky to find. This is because much of it occurs as tiny flecks, often too small to see with the naked ...

Big Mac vein: A grab sample from a quartz-sulphide vein within a 4-metre ... in 1990 that the source was located to the west of the boulder field at an elevation of over 1,432 metres, which ...