California · Trinity County
Past Producer

Armstrong No. 2 Mine

Trinity County, California, United States
CalciumCopperIronManganeseSilica
⌖ Show on mapUSGS source ↗
Commodities
TertiaryCalcium, Copper, Iron, Manganese, Silica
Commodity typeB
Materials
Other materialsChert, Limonite, Malachite, Psilomelane, Rhodochrosite
Economic & production
Development statusPast Producer
First production1954
Discovery year1941
Identification
Deposit ID10216144
MRDS IDM020294
Alternate namesArmstrong No. 3 Prospect, Savage Nos.2 and 3
RegionNA
Data scoreD
Coordinates40.18845, -123.30501
References
TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.OF.MINES,BUL.152-AO'BRIEN-MINES & MIN RES TRINITY CO-CAL.DIV.MINES,GEO.CO.RPT