Diltz

The Diltz is a gold mine located in Mariposa county, California at an elevation of 2,851 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

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.

Site Name

Primary: Diltz
Secondary: Diltz and Mann
Secondary: W.Y.O.D.

Commodity

Primary: Gold
Secondary: Silver
Tertiary: Copper
Tertiary: Lead

Location

State: California
County: Mariposa
District: Whitlock

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Diltz Mines (Allen F. Grant, Et Al.)

Production

Year: 1954
Time Period: - 1954
Material type: ORE
Description: Cp_Grade: ^.24 Oz/Ton Au
Year: 1954
Time Period: - 1954
Material type: AU
Description: Cp_Grade: ^ .03 Oz/Ton Ag

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1865
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

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Late Permian

Analytical Data

Not available

Materials

Ore: Galena
Ore: Tetrahedrite
Ore: Gold
Gangue: Calcite

Comments

Comment (Deposit): VEINS

Comment (Workings): PRINCIPAL WORKING IS A 625-FT. INCLINED SHAFT SERVING 6 LEVELS AGGREGATING 4700 FT. OF DRIFTS; THERE ARE ALSO SEVERAL SHALLOW INCLINED SHAFTS AND TUNNELS.

Comment (Deposit): COMPRISES 2 PATENTED CLAIMS, THE DILTZ AND W.Y.O.D. AND 6 UNPATENTED CLAIMS (3 FULL & 3 FRACTIONAL).

Comment (Commodity): CHIEF ORE MINERAL IS ARSENOPYRITE

Comment (Location): E 1/2 NR. CTR. OF SEC. UTM ACC.

Comment (Production): TOTAL ESTIMATED PRODUCTION BETWEEN $750,000 AND $1,000,000. FROM 1924-1954 THE MINE PRODUCED 81,657 TONS OF ORE YIELDING 21,135 OZ. OF GOLD AND 3395 OZ. OF SILVER; FIGURES DO NOT INCLUDE PERIOD 1860-1895 NOR MANY MASSES OF SPECIMEN GOLD OF CONSIDERABLE VALUE WHICH DID NOT PASS THROUGH THE GOV'T MINT. MINE AND MILL HAVE BEEN LARGELY IDLE SINCE 1952.

Comment (Deposit): Discovery Year: 1860'S

Comment (Geology): GEOL.DESC: PYROXENE ANDESITE GREENSTONE OF PROBABLE PAL AGE. PRINCIPAL VEIN AVERAGES 2 1/2 FT. IN THICKNESS. NEAR OLD OPEN WORKINGS NE OF MAIN SHAFT, THE VEIN FLATTENS OR ROLLS AND FEATHERS OUT INTO WALL ROCKS IN PLACES BECOMING 15 - 2 FT. THICK. DIFFERENCE IN HANGING WALL AND FOOTWALL GREENSTONE MAY INDICATE CONSIDERABLE THROW ALONG THE FAULT.

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. 91 - 94 , 255 .

Reference (Deposit): LAIZURE, C. MCK., 1928 , S. F. FIELD DIV. - MARIPOSA COUNTY: 24TH REPORT STATE MINERALOGIST, VOL. 24 , NO. 2 , P. 85 .

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.