Clearinghouse

  

Mine Info

State: California

County: Mariposa

Elevation: 1,601 feet (488 meters)

Primary Mineral: Gold

Lat, Long: 37.67333, -119.86389



Clearinghouse MRDS details

Site Name

Commodity

Location

Primary: "Clearinghouse"
Secondary: "Anderson I"
Secondary: "Ferguson Original"
Secondary: "Moonstone"
Secondary: "Golden Rule"
Secondary: "El Portal."
Primary: Gold
Secondary: Silver
Secondary: Lead
Secondary: Copper
Tertiary: Zinc
State: California
County: Mariposa
District: Clearinghouse
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Surface/Underground


Ownership

Production

Deposit

Owner Name: Mrs. Frank E. Gallagher
Company ID:
Percent:
Home Office:
Info Year:
Years: -

Year: 1937
Time Period: - 1937
Mined:
Material type: AU
Description: Cp_Grade: ^ .14 Oz/Ton Ag
Year: 1937
Time Period: - 1937
Mined:
Material type: ORE
Description: Cp_Grade: ^Original .454 Oz/Ton Au
Record Type: Site
Operation Category: Past Producer
Deposit Type:
Plant Type:
Plant Subtype:
Operation Type: Unknown
Mining Method:
Milling Method:
Year First Production:
Year Last Production:
Discovery Year: 1860
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

Mineral Deposit Model

Orebody

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Physiographic Detail:
Name:
Form:


Structure

Alterations

Rocks

Name: Diorite
Role: Associated
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Permian
Age Old:


Analytical Data

Materials

Ore: Sphalerite
Ore: Gold
Ore: Silver
Gangue: Quartz


Comments

Comment Type:
Commodity
Comment THE SULFIDE CONTENT OF THE ORE IS ABOUT TWICE AS GREAT IN THE SHOOTS OF THE FERGUSON VEIN AS IN SHOOTS OF THE ORIGINAL VEIN. NATIVE GOLD IN RIBBON QUARTZ.
Comment Type:
Production
Comment THE MINE HAS BEEN AMONG THE 10 HIGHEST PRODUCING MINES IN THE COUNTY, TOTAL PRODUCTION BEING IN EXCESS OF $3,350,000. CLAIMS OF THE FERGUSON HAVE YIELDED AN ESTIMATED PRODUCTION OF $1,250,000 AND RECORDED PRODUCTION BT. 1935 AND 1940 OF $107,000, A TOTAL OF $1,357,000. BT. 1911 AND 1937 CLAIMS OF THE ORIGINAL MINE YIELDED 79,636.79 OZ. OF GOLD, 25,364 OZ. OF SILVER, 340 LBS. OF COPPER AND 134 LB. OF LEAD FROM 175,156 TONS OF ORE. COPPER PRODUCTION LESS THAN 100,000 LBS. - D.O.M. BULL. 144, PT. 3, 1948, P. 269
Comment Type:
Deposit
Comment QUARTZ VEINS, ORE SHOOTS
Comment Type:
Geology
Comment GEOL.DESC: ATTITUDES: FERGUSON VEIN N 21 E 70 W ORIGINAL VEIN - N 8.5 E, 78 E TO A DEPTH OF 400 FT THE ORIGINAL VEIN LIES IN SLATY METASEDIMENTS; BELOW THAT THE WALL ROCK IS COARSE-GRAINED BIOTITE GRANODIORITE WHICH INTRUDES ROUGHLY PARALLEL TO SLATY CLEAVAGE & SCHISTOSITY. FERGUSON VEIN FOLLOWS GRANODIORITE-METASEDIMENTS CONTACT. METASEDIMENTS INCLUDE SLATE, QTZ-BIOTITE HORNFELS. GRAPHITE-MICA SCHIST & SOME QUARTZ-BIOTITE GNEISS. NUMEROUS ORE SHOOTS AVE 4-5 FT THICK AND 100-150 FT WIDE. THREE LATERAL QUARTZ VEINS - THE SPANISH, GOLDEN RULE AND MOONSTONE VEINS, JOIN THE FERGUSON VEIN FROM THE NE.
Comment Type:
Deposit
Comment TEN PATENTED CLAIMS, THE ORIGINAL , ORIGINAL NO. 2, SO. ORIGINAL EXT. EL PORTAL, ANDERSON, NO. EXT. OF THE ANDERSON, GOLDEN RULE, GOLDEN RULE NO. 2, MOONSTONE AND MOONSTONE NO. 2, TOTALING ABOUT 190 ACRES.
Comment Type:
Workings
Comment 9 LEVELS TO MAIN SHAFT OF ORIGINAL MINE. AT 650 LEVEL A 1200 FT CROSSCUT CONNECTS W. FERGUSON VEIN WHICH IS DEVELOPED BY SHAFT A 5 ADIT LEVELS. TOTAL DRIFTS ARE THOUSANDS OF FEET. SUPERFICIAL WORKINGS NEARBY.


References

Reference Category:
Deposit
Pages:
Reference: CASTELLO, W. O., 1921 , MARIPOSA COUNTY: 17TH REPORT STATE MINERALOGIST ( FOR 1920 ), P. 131 .
URL:
Reference Category:
Production
Pages:
Reference: BOWEN & GRAY, 1957
URL:
Reference Category:
Deposit
Pages:
Reference: CLARK, W. B., 1970 , GOLD DISTRICTS OF CALIF.: CDM BULL. 193 , P. 37-38 .
URL:
Reference Category:
Deposit
Pages:
Reference: 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. 85 - 90 , 250 , 551 .
URL:
Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E., 1962 , MINES NEAR YOSEMITE: CDM MINERAL INFO. SERVICE, VOL 15 , NO 3 , P. 2 .
URL:

Did You Know.......

A mine is a hole in the ground, owned by a liar.
-Mark Twain

About The MRDS Mines Database

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.

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