The Longfellow is a gold, silver, and copper mine located in Boulder county, Colorado.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Longfellow MRDS details
Site Name
Primary: Longfellow
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Location
State: Colorado
County: Boulder
District: Jamestown
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Pegmatite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Ore: Copper
Comments
Comment (Geology): GEOL.DESC: ORE & SULFIDE MINERALS: CHALCOPYRITE, PYRITE, FREE GOLD (IN OXIDIZED ZONE)
Comment (Production): ITEMS 8, 9, & 10: MORE THAN $75,000.
References
Reference (Deposit): BLM COLO. CONNECTING SHEETS
Reference (Deposit): LOVERING AND GODDARD, 1950, USGS PP 223, PG. 279, FIG. 77.
Reference (Deposit): CONSV. DIV. COMP. DATE, 10,62
Colorado Mining Photos
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