The Hasloe is a gold mine located in Mariposa county, California at an elevation of 2,100 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: 2,100 Feet (640 Meters)
Commodity: Gold
Lat, Long: 37.69806, -120.04806
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.
Hasloe MRDS details
Site Name
Primary: Hasloe
Secondary: Funk
Secondary: Coward
Secondary: Hasloe & Centuary
Secondary: Gentry Gulch
Commodity
Primary: Gold
Secondary: Silver
Secondary: Copper
Secondary: Lead
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Walter D. Mclean Et Al.
Production
Year: 1948
Time Period: Through 1948
Material type: AG
Description: Ap_Grade: ^14.16 Oz Ag/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1857
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: VEIN AVERAGES 30 INCHES WIDE, BUT VARIES BETWEEN 6 INCHES AND 5 FT
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Tetrahedrite
Ore: Galena
Gangue: Quartz
Comments
Comment (Deposit): VEIN IS MILKY QUARTZ WITH WALL-ROCK GOUGE AND OCCASIONAL PARALLEL INCLUSIONS OF SLATE.
Comment (Workings): 500 FT. INCLINED SHAFT AND A 700-FT. DRIFT ADIT. FROM THE SHAFT THERE ARE 1750 FT. OF DRIFTS ON 6 LEVELS.
Comment (Geology): GEOL.DESC: DIORITE DIKE HAS INTRUDED FOR 200 FT. ALONG THE VEIN FISSURE IN THE VICINITY OF THE WEST ORE SHOOT.
Comment (Deposit): TWO PATENTED CLAIMS OF 41.12 ACRES AND TWO UNPATENTED CLAIMS. ORE MINERALS ARE NATIVE GOLD, TETRAHEDRITE AND A LITTLE GALENA AND ARSENOPYRITE.
Comment (Production): WORKED BY VARIOUS OPERATORS FROM 1857 TO 1948. MINE WAS TO BE REOPENED IN 1956. PRODUCTION UP TO NOV. 1, 1873 WAS SAID TO BE $200,000 BUT PREVIOUS REPORTS SAID PRODUCTION WAS AT $600,000 UP TO 1866. OPERATIONS 1880-1890 SAID TO HAVE PRODUCED OVER $3,000,000. U.S. BUREAU OF MINES REPORTS 3284 TONS OF ORE TAKEN FROM MINE BETWEEN 1910-1948 YIELDED 1703.68 OZ. GOLD AND 232 OZ. SILVER, SLIGHTLY MORE THAN $30,000. COPPER PRODUCTION 0-100,000 LBS. - D.O.M. BULL. 144, PT. 3, 1948, P. 267.
References
Reference (Deposit): BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , PP. 106 - 108 , 268 .
Reference (Deposit): CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 118 .
Reference (Deposit): ERIC, J. C., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 267 .
Reference (Deposit): AUBURY, L. E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 11 .
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.
