The Haystack Mountain 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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Haystack Mountain MRDS details
Site Name
Primary: Haystack Mountain
Commodity
Primary: Gold
Secondary: Tin
Secondary: Arsenic
Secondary: Zinc
Secondary: Tungsten
Location
State: Alaska
District: Kuskokwim
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Reference): Primary Reference = Bond, 1985
Comment (Workings): Workings / Exploration = A regional stream sediment sampling, airborne radiometrics, and mapping program in 1975-76 identified several anomalies (Bond, 1985). In 1985, 2 rock chip, 10 stream sediment, and 7 pan concentrate samples were collected (Bond, 1985).
Comment (Geology): Age = Probably related to Early Tertiary plutonism.
Comment (Exploration): Status = Inactive
Comment (Production): Production Notes = There are no indications of production.
Comment (Deposit): Other Comments = the southern half of Haystack Mountain, located within T. 9 S., R. 24 W., of the Fairbanks Meridian, is situated on land selected by or conveyed to Doyon, Limited. For more information, contact Doyon, Limited.
Comment (Geology): Geologic Description = Haystack Mountain is composed of a quartz monzonite stock (Silberman and others, 1978) intruding hornfelsed chert, siltstone, mudstone, and argillite. The sedimentary rocks are of Ordovician to Late Devonian age (Chapman and Yeend, 1981). Sillberman and others (1978) determined a K-Ar biotite age of 64.2 plus or minus 1.9 Ma for the intrusive rock from Haystack Mountain. Regionally, the area contains a system of northeast-trending strike slip and related conjugate faults associated with Cretaceous to Tertiary plutonic rocks and coeval or younger volcanic rocks (Clautice and others, 1993). Pan concentrates collected from several streams draining the northwest, southwest, and northeast sides of Haystack Mountain contain as much as 1,650 ppb Au, 20 ppm Sn, and 135 ppm W. Stream-sediment samples contained up to 40 ppb Au, 7 ppm Sn, and 10 ppm W (Bond, 1985). A pan concentrate from a north-draining stream contained 13 ppm As, 28 ppm W, 120 ppm La, 250 ppm Ce, 29 ppm Th, and 105 ppm Sn. Two rock chip samples of gossan material contained up to 430 ppm Zn, 105 ppm Cu, 109 ppm As, 8,898 ppm Mn, and 190 ppm Sn (Clautice and others, 1993). Bond (1985) reported rock chip samples from buff-colored hornfels and black graphitic schist that contained as much as 15 ppb Au. A sample of calc-silicate hornfels contained 100 ppb Au and 776 ppm As (Clautice and others, 1993). No mineralization was observed in the Haystack Mountain quartz monzonite (Bond, 1985). A regional stream sediment sampling, airborne radiometrics, and mapping program in 1975-76 identified several anomalies (Bond, 1985). There are no indications of production.
Comment (Deposit): Model Name = Plutonic-related mesothermal veining.
References
Reference (Deposit): Bond, James, 1985, Geologic field examinations in Doyon Limited, regional selection block 9: Doyon Limited Report 85-19, 179 p. (Report held by Doyon, Ltd., Fairbanks, Alaska).
Reference (Deposit): Eakin, H.M., 1918, The Cosna-Nowitna region, Alaska: U.S. Geological Survey Bulletin 667, 54 p.
Reference (Deposit): Cobb, E.H., 1977, Placer deposit map of central Alaska: U.S. Geological Survey Open-File Report 77-168B, 64 p., 1 map, scale 1:1,000,000.
Reference (Deposit): Chapman, R.M., and Yeend, W., 1981, Geologic reconnaissance of the east half of the Kantishna River quadrangle and adjacent areas, in Albert, N.R.D., and Hudson, T., eds, The United States Geological Survey in Alaska, Accomplishments during 1979: U.S. Geological Survey Circular 823-B, 149 p.
Reference (Deposit): Silberman, M.L., Moll, E.J., Chapman, R.M., Patton, W.W., Jr., and Connor, C.L., 1979, Potassium-argon age of granitic and volcanic rocks from Ruby, Medfra, and adjacent quadrangles, west-central Alaska, in Johnson, K.M., and Williams, J.R., eds., The United States Geological Survey in Alaska, Accomplishments during 1978: U.S. Geological Survey Circular 804-B, 58 p.
Reference (Deposit): Clautice, K.H., Bowman, N.D., Clough, J.G., Gilbert, W.G., Kline, J.T., Smith, T.E., and Blodgett, R.B., 1993, Land selection Unit 8 (Kantishna River, Ruby, and Medfra quadrangles): References, lead isotope, geochemical and major oxide data: Alaska Division of Geological and Geophysical Surveys, 42 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., and Chapman, R.M., 1981, Mineral occurrences (other than mineral fuels and construction materials) in the Kantishna River and Ruby quadrangles, Alaska: U.S. Geological Survey Open-File Report 81-170, 94 p.
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