Caldwell Daly

The Caldwell Daly is a manganese 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

Name: Caldwell Daly  

State:  California

County:  Mariposa

Elevation:

Commodity: Manganese

Lat, Long: 37.68083, -120.28028

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.


Satelite image of the Caldwell Daly

Caldwell Daly MRDS details

Site Name

Primary: Caldwell Daly


Commodity

Primary: Manganese


Location

State: California
County: Mariposa


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Walter Hixson
Years: 1942 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrolusite
Ore: Psilomelane


Comments

Comment (Location): LOCATED IN NE 1/4 NE 1/4 SECTION 14 , SE 1/4 SE 1/4 SECTION 11 ; INFO FROM LAND.ST :UNDETERMINED

Comment (Production): OPERATED DURING WWI AS THE DALY MINE, PRODUCING BETWEEN 100-200 TONS OF ORE WHICH AVERAGED 45 PERCENT MANGANESE, 6 PERCENT IRON, 13 PERCENT SILICA. REACTIVATED ABOUT 1937 AND OPERATED UNTIL 1943. TOTAL PRODUCTION HAS BEEN ABOUT 265 TONS OF ORE AVERAGING NEARLY 45 PERCENT MANGANESE.

Comment (Workings): INCLINED SHAFT 57 FT. DEEP W/26-FT. DRIFT AT BOTTOM; 10 FT. SHAFT, 15 FT. SHAFT, 30 OPEN CUTS SCATTERED ALONG ORE ZONE FOR DISTANCE OR MORE THAN 1000 FT.

Comment (Geology): GEOL.DESC: RED OR SERIES OF LENSES ENCLOSED IN CHERT. THE THICK BEDDED TO MASSIVE RED CHERT, THIN BEDDED BUFF TO GRAY CHERT, AND MASSIVE TO THICK BEDDED WHITE CHERT IS ENCLOSED IN GREY TO GREEN METATUFF AND METAVOLCANICS OF THE AMADOR GROUP. ORE IS PARTLY PSILOMELANE, BUT IS MAINLY BROWN GRAY OR ROSE COLORED CHERTY MANGANIFEROUS CALCIUM CARBONATE (MANGANO CALCITE). PYROLUSITE IS ALSO PRESENT.

Comment (Deposit): MINE IS ON PATENTED AGRICULTURAL LAND. ORE MINERALS ARE CHIEFLY BLACK PSILOMELANE AND PYROLUSITE BUT THERE IS CONSIDERABLE CARBONATE ORE CONSISTING OF BROWN, GRAY AND PINK MANGANOCALCITE. ORE RUNNING AT LEAST 20 PERCENT MANGANESE REMAINED IN THE MINE IN 1942.


References

Reference (Deposit): CALIF. JOUR. MINES & GEOL. V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 191, 324, PL. 4

Reference (Deposit): DOM BULL. 152, 1950, PP. 106- 108

Reference (Deposit): U.S. BUREAU OF MINES R.I. 5163, P. 7; ADD. REF.: USBM R.I. 5579, P. 23-24; DMEA APPL'N - 2952 - REPORTED 7/13/53 BY WIEKELT - NO CONTRACT , DMEA INDEX P. 16


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