California · Amador County
Producer

Stirnaman

Amador County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsPsilomelane, Rhodonite
Geology
Host rockMetasedimentary Rock · Calaveras Complex
StructureFaulting And Folding Anticlinal Structure Plunges Northeast.
Economic & production
Development statusProducer
Identification
Deposit ID10109109
MRDS IDM005227
RegionNA
Data scoreC
Coordinates38.44323, -120.60101
References
CALIF. JOUR. MINES & GEOL. V. 39, NO. 1, JAN. 1943, P. 71; V. 50, NO. 1, JAN. 1954, P. 202-3, 269USBM RI 5579, P. 21-22D.O.M. BULL. 152 1950 PP. 34 - 35