Sutro

The Sutro is a copper mine located in Shasta county, California at an elevation of 2,251 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

Name: Sutro  

State:  California

County:  Shasta

Elevation: 2,251 Feet (686 Meters)

Commodity: Copper

Lat, Long: 40.78139, -122.46333

Map: View on Google Maps

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.


Satelite image of the Sutro

Sutro MRDS details

Site Name

Primary: Sutro


Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold


Location

State: California
County: Shasta
District: West Shasta Copper - Zinc


Land Status

Land ownership: National Forest
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

Not available


Production

Not available


Deposit

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


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Model Name: Massive sulfide, kuroko


Orebody

Form: LENTICULAR


Structure

Type: L
Description: Faults - Not Seen At Surface, Poor Outcrops And No Lithologic Offsets In Uniform Upper Unit Of Balakalala Rhyolite Over Ore Body.


Alterations

Alteration Type: L
Alteration Text: Pyritization


Rocks

Not available


Analytical Data

Analytical Data: ORE CONTAINED FROM 2.5 - 11 % CU, 2.5 - 8.1 OZ/TON AG, AND .03 - .10 OZ/TON AU.


Materials

Ore: Chalcopyrite
Ore: Pyrite


Comments

Comment (Deposit): GOSSAN ON SURFACE

Comment (Workings): MINE WORKINGS ARE NOT ACCESSIBLE. 6 ADITS, ONE 2,000 FT. LONG WITH EXTENSIVE DRIFTING.

Comment (Geology): GEOL.DESC: ORE BODY IN LIGHT-GREEN SILICEOUS RHYOLITE, UPPERMOST PART OF THE MIDDLE UNIT OF THE BALAKLALA RHYOLITE. ROCKS IN MINE AREA ARE CUT BY MANY MAFIC DIKES. LARGEST DIKE IS 25 FT. WIDE AND IS CONTINUOUS. THE ROCKS IN THE AREA ARE GENTLY DIPPING TO FLAT, BUT CONTAIN SEVERAL BROAD WARPS. THE MINE APPEARS TO BE ON THE SOUTH FLANK OF A LARGE WARP.

Comment (Production): 35,300 TONS - ORE CONTAINED 7.44 % CU, 6.40 OZ/TON AG, AND .08 OZ/TON AU.


References

Reference (Production): KINKEL ET AL, 1956 PG. 150 (SEE REF.)

Reference (Deposit): LYDON, P.A., O'BRIEN, J.C., 1974 , MINES AND MINERAL RESOURCES OF SHASTA COUNTY, CALIF., COUNTY REPORT 6, CALIF. DIV. MINES AND GEOLOGY, PG. 109

Reference (Deposit): KINKEL, A. R., HALL, W. E., AND ALBERS, J. P., 1956 , GEOLOGY AND BASE-METAL DEPOSITS OF WEST SHASTA COPPER-ZINC DISTRICT SHASTA COUNTY, CALIF., GEOLOGICAL SURVEY PROFESSIONAL PAPER 285 , PG. 149 - 151 .


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