Just a thought on the Box hill(Zinc/Lead) results.As with...

Just a thought on the Box hill(Zinc/Lead) results.As with drilling for Iron ore a simple test would be to check with a magnet(for a driller) could similair be done with lead in particular eg a container could be weighed and a guess be made that there is x amount of lead.This has been moving prior to news so will probably have to wait a few more days before confirmation