The Lilly 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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Lilly MRDS details
Site Name
Primary: Lilly
Commodity
Primary: Gold
Location
State: Alaska
District: Nome
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: Silicification; introduction of arsenopyrite into schist.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Gold
Ore: Pyrite
Gangue: Ankerite
Gangue: Quartz
Comments
Comment (Geology): Age = Mid-Cretaceous or younger; postdates mid-Cretaceous regional metamorphism.
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = This report
Comment (Workings): Workings / Exploration = Exploration includes early 1900's prospect pits and more than 2,000 feet of trenches cut here in 1991 by Kennecott Exploration Company.
Comment (Deposit): Model Name = Low-sulfide Au-quartz veins (Cox and Singer, 1986; model 36a).
Comment (Geology): Geologic Description = The Lilly prospect consists of pyrite and arsenopyrite in quartz veins and disseminated in silicified graphitic marble and schist near old prospect pits that probably are just east of the Rodine fault (Bundtzen and others, 1994). Soil samples in the area contain as much as 335 ppb gold and 1,650 ppm arsenic. In 1991, Kennecott Exploration Company cut two 2,000-foot-long backhoe trenches aligned north-south extending through the site (C.C. Hawley, Cindy Buxton, and Duane Olson, written communication, 1992). In addition to anomalous soil values near the old prospect, a vein zone that strikes east-northeast was discovered about 2,000 feet to the south. Soils over the vein zone contain more than 600 ppb gold and more than 4,000 ppm arsenic. The zone apparently contains local concentrations of free gold that were mined in a hill-slope placer deposit less than one-half mile southeast of the Lilly area (NM190). The Lilly lode was briefly described by Cathcart (1922, p. 252).
References
Reference (Deposit): Hummel, C.L., 1962, Preliminary geologic map of the Nome C-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-247, 1 sheet, scale 1:63,360.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.
Reference (Deposit): Cathcart, S.H., 1922, Metalliferous lodes in southern Seward Peninsula: U.S. Geological Survey Bulletin 722, p. 163-261.
Reference (Deposit): Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.
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