Ortega

The Ortega is a silver, lead, and zinc mine located in Orange county, California at an elevation of 3,399 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: Ortega  

State:  California

County:  Orange

Elevation: 3,399 Feet (1,036 Meters)

Commodity: Silver, Lead, Zinc

Lat, Long: 33.66056, -117.43750

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 Ortega

Ortega MRDS details

Site Name

Primary: Ortega
Secondary: Old Dominion


Commodity

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


Location

State: California
County: Orange


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

Year: 1942
Material type: ORE
Description: Ap_Grade: ^.02 Oz Au, 25.8 Oz Ag, .3 % Cu, 3.5 % Pb, 3.1 % Zn. 21 % Fe


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: Los Angeles Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Fault Displaced Vein At Northern End, Strike Of Fault Is North, Dips 35 W.


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Sphalerite
Ore: Galena
Ore: Silver
Gangue: Quartz
Gangue: Calcite


Comments

Comment (Workings): INCLINED SHAFT 60 FT., OVER 900 FT. OF DRIFTS, WINZES AND CROSSCUTS.

Comment (Geology): GEOL.DESC: FORMATION IN WHICH VEIN OCCURS IS A CRYSTALLINE ROCK, VARIES FROM DARK - BROWN FELSITE TO A FINELY BANDED QUARTZOSE ROCK.

Comment (Deposit): COMPRISED OF 640 ACRES.

Comment (Production): SMELTER RECOVERY; 5.12 % PB, 26.64 OZ AG/TON, AND RECOVERABLE COPPER. EARLIER PRODUCTION NOT KNOWN

Comment (Deposit): VEIN 6 - 8 FT.


References

Reference (Deposit): GOODWIN, J. G., 1957 : LEAD AND ZINC IN CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 3 & 4 ; DIV. OF MINES, P. 586

Reference (Deposit): TUCKER, W. B., 1943 : CURRENT MINING ACTIVITY, S. CALIF.; CALIF. JOUR. MINES AND GEOLOGY, VOL. 39 , NO. 2 ; DIV. OF MINES, P. 123 - 124

Reference (Production): GOODWIN, J. G., 1957


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"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.