Mine detail: Big Boulder and Iron Ridge Prospect

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Location

Lat / long:

33.98006, -112.16101

Resource(M)

Primary:	Iron, Manganese
Ore:	Hausmannite, Hematite, Limonite, Magnetite, Martite, Pyrolusite
Gangue:	Apatite, Ilmenite, Pyrite

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Greenstone
Structure:	Laminated, Banded Iron Minerals, Quartz
Alteration processes:	Silicification

References

MRDS	M800258
DEP	10048190
Reference	HARRER, USBM IC 8236, 1964, P64-6
Reporter	Peterson, Jocelyn A.