ore grade

URI: https://gptkb.org/prop/ore_grade
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Luiswishi_Mine high-grade copper-cobalt
gptkb:Meydouk_Copper_Mine 0.5% copper
gptkb:Recsk_copper_mine 0.65% copper
gptkb:Rudna_mine 1.78% copper