Macmillan Properties

The Macmillan Properties is a tungsten mine located in Juab county, Utah at an elevation of 5,299 feet.

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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Macmillan Properties

Commodity

Primary: Tungsten

Location

State: Utah
County: Juab
District: Granite/Spring Creek Area

Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: H. B. Stafford

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Contact Metasomatic
Operation Type: Unknown
Discovery Year: 1952
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Snake River Plain
Physiographic Detail: Deep Creek Mountains

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Type: R
Description: Basin & Range

Type: L
Description: Local Thrusting

Alterations

Alteration Type: L
Alteration Text: Oxidation Of Fe

Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

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

Analytical Data

Not available

Materials

Ore: Scheelite
Gangue: Quartz

Comments

Comment (Location): AT INTERSECTION OF THE ABOVE SECTIONS, LOCATION IS TO REPRESENTATIVE POINTS

Comment (Workings): WORKINGS CONSIST OF SMALL PROSPECT PITS

References

Reference (Deposit): 1979 GEOCHEM DOE GJBX-8(80) BENDIX

Reference (Production): EVERTS, M.L., 1980, ON SITE INVESTIGATION: UT. GEOL. AND MIN. SUR.

Reference (Deposit): USGS 7 1/2 MIN. TOPO SERIES, INDIAN FARM CREEK, 1972

Reference (Deposit): EVERTS, M.L., 1980, UT. GEOL. & MIN. SURVEY, ON SITE INVESTIGATION

Reference (Deposit): 1920 RECON BUTLER, B.S., USGS PP 111

Reference (Deposit): 1973 COMPILE UT. GEOL. & MIN. SURVEY BULL. 99

Reference (Deposit): 1977 COMPILE UT. GEOL. & MIN. SURVEY RI #117

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