North San Francisco River Placers

The North San Francisco River Placers is a gold mine located in Greenlee county, Arizona at an elevation of 3,599 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: North San Francisco River Placers
Secondary: Evans Point Fold Placers
Secondary: Polaris Group Property
Secondary: Bokares Placer Mine

Commodity

Primary: Gold

Location

State: Arizona
County: Greenlee
District: Copper Mountain District

Land Status

Land ownership: Private
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: Amax Inc.
Years: 1981 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1875
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: STREAKS

Structure

Type: R
Description: Fine Flakes Of Gold Recovered From Well-Graded Stream Gravels And From Coarse, Roughly Bedded Gila Conglomerate Inthe Hills Around Morenci And On The Se Slopes Of Copper King Mountain

Type: L
Description: Gold Recovered From Quat River Gravels 50-60 Ft Above The Level Of The Present River Bed

Alterations

Alteration Type: L
Alteration Text: Surface Oxidation Of Gold-Bearing Veins Ne Of Copper King Mountain

Rocks

Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Late Ordovician

Name: Gravel
Role: Host
Age Type: Associated Rock
Age Young: Paleocene

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene

Analytical Data

Not available

Materials

Ore: Gold
Gangue: Sulfur

Comments

Not available

References

Reference (Deposit): BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.

Reference (Deposit): ARIZ DEPT OF MINERAL RESOURCES FILE DATA, POLARIS GROUP AND PARROT GROUP: SEE EVANS POINT GOLD PLACERS

Reference (Deposit): MINING REPORTER, V. 53, N. 16, (APRIL 19, 1906), REVIVAL OF GOLD MINING IN CLIFTON-MORENCI, ARIZONA, DISTRICT

Reference (Deposit): USGS PROF PAPER 43, 1905, P. 211-212,77,78

Reference (Deposit): USBM FILES; AMAX INC., EVANS POINT LIME QUARRY

Reference (Deposit): ABGMT CLIPPINGS FILE; BOKARES MINE, POLARIS MINING AND MILLING CO, COLORADO MINE

Reference (Deposit): JOHNSON, M.G., 1972 , PLACER GOLD DEPOSITS OF ARIZONA: U.S.G.S. BULLETIN 1355 , P. 17

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.