I think "non-ferrous natural resources" is a garbled translation of "elements heavier than iron", which would be accurate. Iron is the heaviest element that is

I think "non-ferrous natural resources" is a garbled translation of "elements heavier than iron", which would be accurate. Iron is the heaviest element that is relatively abundant in the crust. https://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth%27s_crust#/media/File:Elemental_abundances.svg https://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth...