oreGrade

P111258 predicate

Indicates the quality or concentration of valuable minerals or metals contained within a given quantity of ore.

Observed surface forms (2)

Sample triples (6)

Subject Object
Aitik mine low
Bomi Hills high-grade iron ore (historically)
Carlin Trend mining district generally low-grade via predicate surface "goldGrade"
Minette iron-ore basin relatively low iron content
Mirado No. 2 via predicate surface "leadGrade"
Nikopol manganese basin medium to high manganese content