The Rambler 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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Rambler MRDS details
Site Name
Primary: Rambler
Secondary: Golden Eagle Group
Secondary: Cliff vein
Commodity
Primary: Gold
Location
State: Alaska
District: Chisana
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: Skarn Fe
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Pyrrhotite alters to marcasite along limonite-stained fractures
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Marcasite
Ore: Chalcopyrite
Ore: Pyrite
Ore: Pyrrhotite
Comments
Comment (Geology): Geologic Description = Massive gold-bearing pyrrhotite and pyrite in recrystallized Triassic limestone near contact with small granodiorite stock of Cretaceous age. Sulfide body is 52 ft by 19 ft by 34 ft and consists of about 75% pyrrhotite in coarse crystals up to 2 in in diameter.
Comment (Deposit): Model Name = Lode: massive sulfide, contact metasomatic
Comment (Deposit): Other Comments = See Nabesna mine, NB022
Comment (Production): Production Notes = Possibly some minor production
Comment (Reference): Primary Reference = Wayland, 1943, USGS B 933B, p. 184-185
Comment (Workings): Workings / Exploration = Average Au value of 14 samples was about 0.91 oz./t (reported as 32.00 dollars in Au); high value was 2.42 oz./t (reported as 85.00 dollars in Au, Au at 35.00/fine oz.) in USGS Bull. 933, p. 185. Surface and underground workings.
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Cretaceous
Comment (Commodity): Ore Material = marcasite in thin section
References
Reference (Deposit): Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.
Reference (Deposit): Lowe, P.C., and others, 1982, Geologic map of the Nabesna B-5 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1566, scale 1:63,360.
Reference (Deposit): Moffit, F.H., 1943, Geology of the Nutzotin Mountains, Alaska, with a section on the igneous rocks, by R. C. Wayland, and Gold deposits near Nabesna, by R. C. Wayland, 1943: U.S. Geological Survey Bulletin 933-B, p. 103-199.
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