The Eagle Mine of the Upper Peninsula, Michigan is host to a productive copper-nickel, sulfide-rich ore deposit that is hosted within the Yellow Dog Intrusion, a mafic intrusive igneous rock. The origin of the ore and ...

The Bushveld layered mafic intrusion is the world’s largest magmatic body and hosts much of the known platinum, chromium, titanium, and vanadium reserves. The origin and magmatic evolution of the intrusion is still the ...