The Dolman is a gold mine located in Mariposa 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
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.
Dolman MRDS details
Site Name
Primary: Dolman
Secondary: Oyler Lode
Secondary: Hickman
Secondary: Bear Valley
Commodity
Primary: Gold
Secondary: Silver
Tertiary: Copper
Tertiary: Iron
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Ellen T. Simpson, Et. Al.
Production
Year: 1941
Time Period: - 1941
Material type: AG
Description: Cp_Grade: ^.003 Oz/Ton Ag
Year: 1940
Time Period: - 1940
Material type: AU
Description: Cp_Grade: ^.06 Oz/Ton Au
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1894
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
Form: PINCH & SWELL
Structure
Not available
Alterations
Not available
Rocks
Name: Greenstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Gold
Ore: Pyrite
Comments
Comment (Location): UTM EST. SE 1/4 29 , NW 1/4 33 . SEC. LINES PROJECTED.
Comment (Deposit): VEIN, ORE SHOOTS
Comment (Workings): THE TOTAL AREA COVERS 1 1/2 MI. OF THE LODE.
Comment (Geology): GEOL.DESC: VEIN VARIES FROM LESS THAN A FT. TO 5 FT. IN PYROXENE ANDESITE GREENSTONES. ORE SHOOTS LESS THAN 30 FT. IN WIDTH.
Comment (Deposit): FORMERLY THE OYLER LODE ON THE FREMONT GRANT.
Comment (Commodity): 60 % OF GOLD IS FOUND IN SULFIDE MINERALS
Comment (Production): DURING OPERATIONS WHICH BEGAN IN 1902, OFFICIAL RECORDS INDICATE 59.1 TONS OF ORE SHIPPED WHICH RETURNED $756.78, OR AN AVERAGE OF $12.80 PER TON. DURING 1939 AND 1940 SOME 393 TONS OF ORE SHIPPED YIELDED 24 OZ. GOLD AND 7 OZ. SILVER. IDLE SINCE 1940.
References
Reference (Deposit): BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 94 - 5 , 255 .
Reference (Deposit): LAIZURE, C. MCK., 1935 , CURRENT MINING ACTIVITIES IN THE SAN FRANCISCO DISTRICT WITH SPEC. REF. TO GOLD: CALIF. JOUR. MINES & GEOL., VOL. 31 , NO. 1 , P. 30 - 32 .
Reference (Production): BOWEN & GRAY, 1957
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.
