3 ms·
Aluminum and silicon is very common in the earth’s crust, so I don’t believe it is correct. Maybe there’s some jargon definition at play, like astronomers refer
by pletnes 5y ago
Aluminum and silicon is very common in the earth’s crust, so I don’t believe it is correct. Maybe there’s some jargon definition at play, like astronomers referring to anything heavier than hydrogen/helium as «metal».
- dodobirdlord 5y agoI 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...