Past ProducerQuartz, Mica, Feldspar, BerylliumSurfaceUSGS MRDS
Location
State
Colorado
County
Fremont
Coordinates
38.47860, -105.30250
Commodities
Primary
Quartz, Mica, Feldspar, Beryllium
Secondary
REE, Tantalum, Niobium (Columbium)
Tertiary
Copper, Lithium, Bismuth
Mine Details
Status
Past Producer
Type
Surface
First Production
1928
Discovery Year
1904
Data Source
USGS MRDS
Source ID
10013530
What This Means
This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.