Heckendorm

The Heckendorm is a gold and silver mine located in Calaveras county, California at an elevation of 3,799 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

Name: Heckendorm  

State:  California

County:  Calaveras

Elevation: 3,799 Feet (1,158 Meters)

Commodity: Gold, Silver

Lat, Long: 38.37472, -120.39361

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 Heckendorm

Heckendorm MRDS details

Site Name

Primary: Heckendorm
Secondary: Blue Mountain


Commodity

Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Antimony


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Year: 1935
Material type: ORE
Description: Ap_Grade: ^0.86 Oz Au And 4.1 Oz Ag Per Ton


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: IRON, 3.6 %, LIME 1.0 %
Analytical Data: INSOLUBLE 93.2 %
Analytical Data: ANTIMONY 0.2 %
Analytical Data: ARSENIC 0.05 %
Analytical Data: COPPER 0.2 %
Analytical Data: SILVER, 4.10 OZ PER TON
Analytical Data: FROM ORE TO SMELTER IN 1935 : GOLD, 0.86 OZ PER TON


Materials

Ore: Gold
Gangue: Quartz


Comments

Comment (Location): UTM ACC - SEE COMMENTS

Comment (Production): ACTIVE 1860'S, 1870'S, 1935 - 1936

Comment (Workings): DEVELOPED BY 50 FT SHAFT AND A N 150 FT DRIFT AT BOTTOM AND OPEN CUT, WEST VEIN DEVELOPED BY 350 FT N DRIFT ADIT

Comment (Deposit): BOTH REFERENCES AGREE ON LOCATION BUT PLATTED ON BLUE MT MAP AS IN SEC 14 T 6 N R 14 E - THESE ARE UTM LOCATIONS.REFERENCES GIVE LOCATION AS SEC 18 , T 6N, R 15E - NO EVIDENCE ON MAP OF MINE IN THIS LOCALITY ; INFO.SRC : 1 PUB LIT

Comment (Deposit): VEIN, PRINCIPAL VEIN OUTCROP CAN BE TRACED FOR 1000 FT AND IS MIDDLE VEIN, GRANODIORITE FOOTWALL AND PORPHYRY HANGING WALL. TWO OTHER VEINS ON PROPERTY. EAST VEIN: STRIKE N, DIP 78 W, AND WEST VEIN; N 16 W STRIKE, DIP 42 W. OUTCROP OF E VEIN TRACEABLE FOR 3000 FT AND IS 8 FT WIDE, W VEIN IS 30 INCHES WIDE


References

Reference (Deposit): CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 157 AND PL B

Reference (Deposit): LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 263 - 4

Reference (Production): LOGAN ( 1936 ) CLARK ( 1962 )


California Gold

Where to Find Gold in California

"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.