Fern Magnetite Prospect

The Fern Magnetite Prospect is a iron mine located in Gila county, Arizona at an elevation of 3,999 feet.

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About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Fern Magnetite Prospect

State: Arizona

County: Gila

Elevation: 3,999 Feet (1,219 Meters)

Primary Mineral: Iron

Lat, Long: 33.465, -110.96556

Satelite image of the Fern Magnetite Prospect

Fern Magnetite Prospect MRDS details

Site Name

Primary: Fern Magnetite Prospect

Commodity

Primary: Iron

Location

State: Arizona
County: Gila
District: Miami-Inspiration District

Land Status

Land ownership: National Forest
Administrative Organization: Tonto National Forest

Holdings

Workings

Ownership

Production

Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland

Mineral Deposit Model

Orebody

Form: IRREGULAR

Structure

Alterations

Rocks

Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: 0.9% MN, 0.036% P, 0.16% S, TRACE OF ZN, 0.07% MGO, 2.18% SIO2
Analytical Data: CHARACTER SAMPLE CONTAINED 66.7% FE, 0.1% TIO2

Materials

Ore: Magnetite

Comments

Comment Type: Deposit	Comment: THE MAGNETITE OCCURS AS NEARLY PURE MASSES, AS BANDS PARTIALLY REPLACING MESCAL LIMESTONE, AND AS DISSEMINATIONS, ASSOCIATED WITH NEARBY DIABASE INTRUSIVES
Comment Type: Geology	Comment: .

References

Reference Category: Deposit

Reference: HARRER, C.N., 1964, RECONNAISSANCE OF IRON RESOURCES IN ARIZONA: USBM INFORMATION CIRCULAR 8236, P. 342