The Lamartine Mine is a zinc, lead, silver, and gold mine located in Clear Creek county, Colorado at an elevation of 9,590 feet.
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
Elevation: 9,590 Feet (2,923 Meters)
Commodity: Zinc, Lead, Silver, Gold
Lat, Long: 39.7325, -105.61389
Map: View on Google Maps
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Lamartine Mine MRDS details
Site Name
Primary: Lamartine Mine
Secondary: Lamartine Group (R. E. Lee, Chloride, Collateral, St. Louis, Silver Queen, Money Musk, Financier, La
Secondary: Lamartine Shaft Group
Commodity
Primary: Zinc
Primary: Lead
Primary: Silver
Primary: Gold
Secondary: Copper
Location
State: Colorado
County: Clear Creek
District: Freeland-Lamartine District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Type: L
Description: ore shoots localized at vein intersections and by changes in strike or dip of vein
Alterations
Alteration Type: L
Alteration Text: wall rocks are silicified, sericitized, bleached, and pyritized
Rocks
Name: Porphyry
Role: Associated
Age Type: Associated Rock
Age Young: Tertiary
Name: Pegmatite
Role: Host
Age Type: Host Rock
Age Young: Precambrian
Name: Migmatite
Role: Host
Age Type: Host Rock
Age Young: Precambrian
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Precambrian
Analytical Data
Not available
Materials
Ore: Gold
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Location): Main shaft is in center of the E/2, E/2 sec.1, T 4 S, R 74 W, about 5 miles WSW of Idaho Springs; the Lamartine tunnel is about 4000 feet NE of the main shaft.
Comment (Production): GOLD PROD. 78,184.71 OZ; 3,092 962 OZ. AG; 162,802 POUNDS CU; 5,601,598 POUNDS PB; 1,258,136 POUNDS ZN FROM 300,000 TONS OF ORE (FROM 1867 TO 1952).
Comment (Reserve-Resource): An undated report estimated 734,120 tons of ore remaining in adits and estimated 3,000,000 more under the old workings. An analysis dated 1965 cautioned that available resources may be considerably less and grades were not predictable on the basis of available data. More recent calculations indicate that 50,000 to 200,000 tons of dump and tailings material may also be a resource. (Sunshine files)
Comment (Workings): The Lamartine has 12 miles of workings, the most extensive in the district, over a vertical range of 1,800 feet.
Comment (Commodity): The Lamartine vein produced Pb-Zn-Ag ore; the Oneida vein produced Au-Cu ore. Production values are primarily gold and silver, with lesser values in lead, and zinc, plus minor copper.
Comment (Geology): Ore has been found in sulfide veins filling fissures, over a vertical range of 1,600 feet; major veins include the Lamartine, Crown, Oneida, Mendick, and Great Western.
Comment (Commodity): Gangue contains carbonate minerals.
References
Reference (Deposit): CONSV. DIV. COMP. DATE, 11,69
Reference (Deposit): Harrison, J. E., and Wells, J. D., 1956, Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado: U.S. Geological Survey Bulletin 1032-B, pp. 33-127.
Reference (Deposit): BLM CONNECTING SHEETS
Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
Reference (Deposit): Spurr, J. E., Garrey, G. H., and Ball, S. H., 1908, Economic geology of the Georgetown quadrangle, Colorado: U.S. Geological Survey Professional Paper 63, 422 p.
Colorado Mining Photos
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