Arizona · Maricopa County
Occurrence
Big Boulder and Iron Ridge Prospect
Maricopa County, Arizona, United States
Manganese
Iron
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USGS source ↗
Description
D. Gordon, D.E. Elwood, W.E. Bruce, M. Garcia
Commodities
Primary
Manganese, Iron
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Hausmannite, Hematite, Limonite, Magnetite, Martite, Pyrolusite
Gangue
Apatite, Ilmenite, Pyrite
Geology
Host rock
Greenstone
Structure
Laminated, Banded Iron Minerals, Quartz
Alteration
Silicification
Economic & production
Development status
Occurrence
Identification
Deposit ID
10048190
MRDS ID
M800258
Region
NA
Data score
B
Coordinates
33.98006, -112.16101
References
HARRER, USBM IC 8236, 1964, P64-66