San Francisco Mine

The San Francisco Mine is a copper, silver, and gold mine located in Santa Fe county, New Mexico at an elevation of 7,641 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: San Francisco Mine
Secondary: Claims: San Francisco Group
Secondary: San Pedro Group
Secondary: San Pedro No. 1-3
Secondary: New Sunset Code

Commodity

Primary: Copper
Primary: Silver
Primary: Gold
Tertiary: Tungsten

Location

State: New Mexico
County: Santa Fe
District: New Placers 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

Type: Surface/Underground

Ownership

Owner Name: Potter And Sims
Home Office: 1500 Los Lomas Rd; Albuquerque, N.M.
Years: 1957 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1887
Discovery Year: 1887
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: IRREGULAR

Structure

Type: L
Description: A Dome-Like Warp

Alterations

Not available

Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Pennsylvanian

Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Pennsylvanian

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Scheelite
Ore: Gold
Ore: Silver
Gangue: Pyrite
Gangue: Quartz
Gangue: Calcite
Gangue: Hematite

Comments

Comment (Location): LOCATION IS ACCURATE FOR THE BLACK JACK NO. 2 MINE. THE MINES ARE CONCENTRATED ALONG A NORTHWESTERLY TREND FROM GRANTS TO SMITH LAKE. THE MARIANO LAKE (1963) QUADRANGLE ALSO COVERS A PORTION OF THIS DISTRICT. ; INFO FROM LAND.ST :1979

Comment (Reserve-Resource): MCLEMORE, V.T., 1983, NMBMMR OFR-183, APPENDIX 1

Comment (Production): THESE FIGURES DO NOT INCLUDE COMPANY AND/OR GOVERNMENT CONFIDENTIALDATA

Comment (Development): THE MARIANO LAKE MINE OPERATED BY GULF RESOURCES CORP. IS THE ONLY MINE PRESENTLY IN OPERATION.

Comment (Deposit): THE ORE IS FOUND ASSOCIATED WITH CARBONACEOUS DEBRIS IN TABULAR OR IRREGULAR POD-LIKE SHAPES. THE ORE HORIZON IS OFTEN FOUND IN COARSE-GRAINED SANDSTONE OR IN LOWER CHANNEL SANDSTONES.

Comment (Geology): THE DEPOSITS OCCUR IN BOTH THE BRUSHY BASIN AND WESTWATER CANYON MEMBERS OF THE MORRISON FORMATION.

Comment (Deposit): SEE ALSO: ALTA MINE; BLACK JACK NO. 1 MINE, BLACK JACK NO. 2 MINE, EVELYN MINE, FRANCIS MINE, AND MARIANO LAKE MINE, RED TOP MINE, RUBY NO. 1 AND NO. 2 DECLINE RUBY NO. 3 AND NO. 4 DECLINE, AND SILVER BIT MINE. MCLEMORE'S (1983) OPEN-FILE REPORT HAS THE MOST COMPREHENSIVE BIBLIOGRAPHY. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Workings): THE MINES WERE WORKED USING MODIFIED ROOM AND PILLAR METHODS.

Comment (Deposit): Discovery Year: 1950-1951

Comment (Location): LOCATION IS ACCURATE FOR THE ADIT SHOWN ON THE MADRID QUADRANGLE. THE CADASTRAL GRID IS PROJECTED IN THIS AREA. ; INFO FROM LAND.ST :1979

Comment (Deposit): SPARSE SCHEELITE MINERALIZATION OCCURS WITH COPPER SULFIDES AND OXIDES, GOLD AND PYRITE ALONG 3 BEDDING PLANE FRACTURES IN A HIGHLY SILICIFIED AND GARNETIZED LIMESTONE.

Comment (Workings): WORKINGS CONSIST OF AN ACCESSIBLE 175-FOOT ADIT WITH 75-FOOT CROSSCUT; AN INCLINED SHAFT 270 FEET DEEP; 2 ADITS, EACH 90 FEET LONG AND 15 SMALL OPEN CUTS AND SHORT ADITS.

Comment (Deposit): Discovery Year: LATE 1880'S

References

Reference (Deposit): NMBMMR GENERAL FILE DATA

The Top Ten Gold Producing States

These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.