Colorado · Jefferson County
Producer
Madonna No. 1
Jefferson County, Colorado, United States
Quartz
Feldspar
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USGS source ↗
Commodities
Primary
Quartz
Secondary
Feldspar
Commodity type
N
Deposit
Workings
Surface
Materials
Ore minerals
Quartz
Economic & production
Development status
Producer
Identification
Deposit ID
10288338
Alternate names
Madonna No 1, Eastern Madonna
Region
NA
Data score
C
Coordinates
39.37599, -105.19464
References
Simmons, W.B., and Heinrich, E.W., 1980, Rare-earth pegmatites of the South Platted District, Colorado: Colorado Geological Survey Resource Series 11, 131 p.