Postmaster Mine

The Postmaster Mine is a gold and silver mine located in Yavapai county, Arizona at an elevation of 6,220 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: Postmaster Mine

Commodity

Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Lead
Tertiary: Zinc

Location

State: Arizona
County: Yavapai
District: Ticonderoga District

Land Status

Not available

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: D. W. Ingram, L. M. White
Years: 1941 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1902
Year Last Production: 1942
Discovery Method: Ore-Mineral In Place
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

Not available

Orebody

Form: TABULAR

Structure

Type: R
Description: Foliation In Precambrian Rocks Trends N25e

Type: L
Description: Veins Parallel Foliation For Most Part

Alterations

Alteration Type: L
Alteration Text: None

Rocks

Name: Andesite
Role: Host
Age Type: Associated Rock Unit
Age in Years: 1720.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Tuff
Role: Host
Age Type: Host Rock Unit
Age in Years: 1720.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Tuff
Role: Associated
Age Type: Host Rock Unit
Age in Years: 1720.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 1720.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Gold
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Quartz

Comments

Comment (Workings): LEVELS INCLUDE MAIN, 200, 375, 475 FT. SHAFT EXTENDS 75 FT BELOW CROSSCUT LEVEL. 1100 FT CROSSCUT AT LOW LEVEL IN MINE CONNECTS ORIGINAL WORKINGS

Comment (Location): USGS BULL 1336 USED FOR LOCATION. POSTMASTER ASSUMED TO NOT BE EQUAL TO NEW ERA OR MERCHANTS HOME, ALTHOUGH LOCATED NEAR THEM.

Comment (Geology): DEPOSIT IS VEIN WHICH CUTS PRECAMBRIAN METAVOLCANIC ROCKS.

References

Reference (Deposit): USGS BULL 782, P. 135

Reference (Deposit): USBM-ABGMT FILE DATA

Reference (Deposit): USGS BULL B-1336, PLATE 1

Reference (Deposit): USGS GEOL. MAP GQ 997

Arizona Gold

"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.