Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Hematite
at
Butler Taconite Mine (Langdon Mine; Kelvin Mine; Olson Mine; Snyder Mine; Patrick Annex Mine; Patrick-Ann Mine), Mesabi Range, Itasca Co., Minnesota, USA