Alameda

The Alameda is a gold mine located in Tuolumne county, California at an elevation of 1,401 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: Alameda

Commodity

Primary: Gold

Location

State: California
County: Tuolumne
District: Mother Lode Belt

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: Underground

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: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Gold
Gangue: Quartz
Gangue: Ankerite

Comments

Comment (Geology): GEOL.DESC: BOTH WALLS ARE SLATE; THIS CLAIM IS JUST NORTH OF WHERE THE SERPENTINE AND SLATE CONTACT TRENDS TOWARD THE WEST. AMPHIBOLITE SCHIST ALTERED FROM AN INTRUSIVE DIKE OCCURS AT THIS CONTACT. ORE ON CLAIM IS FROM QUARTZ VEIN MATERIAL CONTAINING TALC, MAGNESITE AND MARIPOSITE (?). FOOTWALL IS INTERSECTED BY NUMEROUS VEINLETTS FORMING A NETWORK FOR TWO FEET. THE HANGING WALL CONTAINS QUARTZ STRINGERS IN A 10 FT. THICK TALC SCHIST ZONE NEAR SURFACE AND THIS ORE WIDENS TO 135 FT. AT THE 500 FT. LEVEL.

Comment (Deposit): QUARTZ VEINLETTS IRREGULAR. AT SOUTH END OF CLAIM, LARGE QUARTZ BODY 18 INCHES TO 2 FT. THICK PROSPECTED TO INCLINED DEPTH OF 400 FT.

Comment (Workings): INCLINED SHAFT 920 FT. WITH 3000 FT OF DRIFTS AND CROSSCUTS AT SIX LEVELS TO PROSPECT FOOTWALL AT NORTH END OF CLAIM. SOUTH INCLINED SHAFT 400 FT. WITH SEVERAL ADITS, THE LONGEST BEING 800 FT.

References

Reference (Deposit): LOGAN, C.A., 1949 , MINES AND MIN. RES. OF TUOLUMNE COUNTY, CAL.: CDM REPT. 45 , P. 57

Reference (Deposit): TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 136

Reference (Production): LOGAN, C.A., 1949

Reference (Deposit): FAIRBANKS, H.W., 1890 , GEOLOGY OF THE MOTHER LODE REGION: CMB REPT. 10 , P. 55

California Gold

"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.