Dreamland Mine

The Dreamland Mine is a manganese mine located in Sonoma county, California.

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: Dreamland Mine  

State:  California

County:  Sonoma

Elevation:

Commodity: Manganese

Lat, Long: 38.56944, -122.78778

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 Dreamland Mine

Dreamland Mine MRDS details

Site Name

Primary: Dreamland Mine


Commodity

Primary: Manganese


Location

State: California
County: Sonoma


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: 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: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: AVERAGE GRADE 40 PERCENT MANGANESE


Materials

Not available


Comments

Comment (Geology): GEOL.DESC: 1 1/2 TO 2 FT. THICK ORE BED IS ENCLOSED IN THIN-BEDDED RADIOLARIAN CHERT. OVERLYING ORE, AND SEPARATING IT FROM CHERTS ABOVE IS A 6 TO 12 INCH THICK BED OF YELLOW JASPER. ORE IS SOFT BLACK CRYSTALLINE MATERIAL WITH SOME IRON OXIDE LAMINATIONS. CHERTS BELOW ORE ARE STAINED WITH MANGANESE OXIDE. ORE AND ENCLOSING CHERTS ARE WARPED AND CUT BY A FAULT.


References

Reference (Deposit): D.O.M. BULL. 152 1950 PP. 283 - 284

Reference (Deposit): D.O.M. BULL. 125 1943 P. 186


California Gold

Where to Find Gold in California

"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.