Placer mining

https://www.wikidata.org/wiki/Q12148490

Field Hierarchy

Parent
Physics 33M papers	Materials science 18.5M papers	Geology 10.4M papers	Thermodynamics 5.1M papers
Metallurgy 4.8M papers		Geochemistry 799k papers
Current
Placer mining 3,679 papers
Child
Placer deposit 1,486 papers

Trends

Notes

History