Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface
Ore controlFaults, Associated Fractures, Breccia
Materials
Ore mineralsPsilomelane, Pyrolusite, Wad
Geology
Host rockSlate,Quartzite,Schist,Gneiss,Pegmatite · Banded Gneiss
StructureSouthern Sawatch Range, Arkansas Valley Graben, Faults, Breccia Zones; Nw-Trending Faults, Ne-Trending Anticline
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
First production1919
Identification
Deposit ID10087825
MRDS IDD010233
RegionNA
Data scoreB
Coordinates38.60306, -106.02977
References
MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULLENTIN 15, P. 28-31VAN ALSTINE, R.E., 1974, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS SE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 829, P. 16-17.MUILENBURG, G.A. (1919)