The Michigan Bar is a gold mine located in Sacramento county, California at an elevation of 164 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
Elevation: 164 Feet (50 Meters)
Commodity: Gold
Lat, Long: 38.49222, -121.09000
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.
Michigan Bar MRDS details
Site Name
Primary: Michigan Bar
Secondary: Cosumnes River
Commodity
Primary: Gold
Secondary: Platinum
Tertiary: Iridium
Tertiary: Osmium
Location
State: California
County: Sacramento
District: Cosumnes River Area
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Stream Placer
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 Trough
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Form: STREAM SEDIMENT DEPOSITS
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Eocene
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Eocene
Analytical Data
Analytical Data: PGE SAMPLE YIELDED 33.3% PT, 41.97% OS+IR, 18.88% IR, 13.58% AU (LOGAN, P. 109)
Analytical Data: PGE SAMPLE YIELDED 44.75% PT, 24.84% IR, 21.72% OS, 8.69% RH (MERTIE, TABLE 40)
Materials
Ore: Gold
Comments
Comment (Deposit): RIVER WAS DREDGED FOR SEVERAL MILES
Comment (Workings): DRIFT MINING, 1850'S-1860'S HYDRAULIC, 1930'S-1940'S A SMALL ACREAGE DREDGED
Comment (Deposit): RECORD M005603 AND M045270 HAVE BEEN MERGED AND DELETED.
Comment (Location): BETWEEN BRIDGE HOUSE AND MICHIGAN BAR. LOCATION GIVEN IS AT BRIDGE HOUSE RIVER CROSSING
References
Reference (Production): CLARK, 1970
Reference (Deposit): MERTIE, J.B., 1969, ECONOMIC GEOLOGY OF THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 94.
Reference (Deposit): CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 115-123.
Reference (Deposit): CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 90.
Reference (Deposit): LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 30-31.
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.
