The Lane is a gold mine located in Alaska.
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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Lane MRDS details
Site Name
Primary: Lane
Secondary: Anchorage Gold Mines Co.
Secondary: Glaciers
Commodity
Primary: Gold
Location
State: Alaska
District: Willow Creek
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Low-sulfide Au-quartz vein
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Wall-rock alteration within a few inches of the vein is intense, but seldom extends more than 10 to 12 inches beyond the quartz filling. Sericitization and carbonate alteration predominate, but there is some pyritization and in the outer parts of the alteration zone chloritization is present (Ray, 1954).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Production): Production Notes = No recorded production.
Comment (Reference): Primary Reference = Ray, 1954
Comment (Workings): Workings / Exploration = Prospect explored by 20 ft tunnel and an aerial tram was being installed in 1950 (Ray, 1950). Kurtak (1986) reported that gold was visible in quartz float on the adit dump. A grab sample of dump float contained 9.4 ppm (0.27 oz/ton) Au and a grab sample of the vein quartz contained 2.5 ppm (0.07 oz/ton) Au. It appears that any high grade ore that previously existed has been mined out (Kurtak, 1986).
Comment (Geology): Age = Late Cretaceous or younger; vein cuts the Late Cretaceous Willow Creek Pluton.
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Low-sulfide Au-quartz veins (Cox and Singer, 1986; model 36a)
Comment (Geology): Geologic Description = Quartz vein cuts tonalite of the Late Cretaceous Willow Creek Pluton. The coarse, vuggy vein is 8 inches thick and contains numerous isolated pieces of free gold (Ray, 1954). The vein trends N 25 W, and dips 35 to 38 SW, and is exposed underground for 25 ft. Gold also occurs as hairlike masses in pyrite and in a dark-gray sulfide. Wall-rock alteration within a few inches of the vein is intense, but seldom extends more than 10 to 12 inches beyond the quartz filling. Sericitization and carbonate alteration predominate, but there is some pyritization and in the outer parts of the alteration zone chloritization is present (Ray, 1954). Kurtak (1986) also reported that gold was visible in quartz float on the adit dump. A grab sample of dump float contained 9.4 ppm (0.27 oz/ton) Au and a grab sample of the vein quartz contained 2.5 ppm (0.07 oz/ton) Au. ? the Willow Creek Pluton is a zoned pluton: the outer part consists of hornblende quartz diorite and lesser hornblende tonalite; the core consists of hornblende-biotite granodiorite, and lesser hornblende-biotite quartz monzodiorite and biotite quartz monzonite.
References
Reference (Deposit): Kurtak, J.M., 1986, Results of the 1984 Bureau of Mines site specific field studies within the Willow Creek mining district: U.S. Bureau of Mines Open-File Report 17-86, 17 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.
Reference (Deposit): Ray, R.G., 1954, Geology and ore deposits of the Willow Creek Mining district, Alaska: U.S. Geological Survey Bulletin 1004, 86 p.
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Chapin, Theodore, 1920, Lode developments in the Willow Creek district: U.S. Geological Survey Bulletin 712-F, p. 169-176.
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