Sunrise, Newsboy, and Red Top claims of 'Doc' Silver

The Sunrise, Newsboy, and Red Top claims of 'Doc' Silver 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

Name: Sunrise, Newsboy, and Red Top claims of 'Doc' Silver  

State:  Alaska

County:  na

Elevation:

Commodity: Gold

Lat, Long: 58.38194, -136.47500

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Satelite image of the Sunrise, Newsboy, and Red Top claims of 'Doc' Silver

Sunrise, Newsboy, and Red Top claims of 'Doc' Silver MRDS details

Site Name

Primary: Sunrise, Newsboy, and Red Top claims of 'Doc' Silver


Commodity

Primary: Gold
Secondary: Lead
Secondary: Silver


Location

State: Alaska
District: Juneau


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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

Not available


Rocks

Name: Hornblendite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Ore: Galena
Ore: Gold
Gangue: Quartz


Comments

Comment (Exploration): Status = Inactive

Comment (Commodity): Ore Material = Gold (native)

Comment (Workings): Workings / Exploration = Stewart (1949) reported mine workings and an auriferous quartz vein near 440 feet elevation above Dundas Bay. The vein was observed during an examination that he made in 1938. Kimball and others (1978) found mining debris, probably near Stewart's location. A 1.9 foot vein sampled by the Bureau of Mines in 1975 contained 0.275 oz/ton gold, 5 ppm silver and 250 ppm lead.? the site appears to have been active in the late 1930s, with as least as many as 47 claims--24 Sunrise, 15 Newsboy, and 8 Red Top. Stewart (1949) reported that, in 1933, 'Doc' Silver held two Red Top claims. The area is steep and brushy, but because of the evidence of mining activity found by the U.S. Bureau of Mines in 1975, the site is almost certainly at least partly coincident with the area of the 'Doc' Silver claims. The auriferous vein found by the U.S. Bureau of Mines may not, however, be the same vein that was reported by Stewart.

Comment (Deposit): Other Comments = the site is in Glacier Bay National Park and Preserve.

Comment (Geology): Geologic Description = Auriferous quartz veins occur in or near the contact zone of a foliated granitic intrusion of Cretaceous age and quartz-feldspar-hornblende gneiss of Paleozoic ancestry (Brew and others, 1978). The age of mineralization is believed to be Late Cretaceous or younger, as undeformed quartz veins occur in and cut foliated granitic rocks of Cretaceous age. ? the property consisted of about 47 lode claims when it was visited by Stewart of the Territorial Department of Mines in 1938 (Stewart, 1949). Stewart reported a steeply dipping quartz vein 1 to 2 feet thick near 440 feet elevation. In a later investigation, the U.S. Bureau of Mines (Kimball and others, 1978) found quartz veins near the approximate site of Stewart's examination. One quartz vein was 0.5 foot thick; another, in diorite country rock, was about 2 feet thick. A vein, sampled over 1.9 ft. width, contained 5 ppm silver, 250 ppm lead, and 0.275 ounce per ton gold.

Comment (Deposit): Model Name = Low-sulfide gold-quartz vein (Cox and Singer, 1986; model 36a).

Comment (Reference): Primary Reference = Stewart, 1949

Comment (Geology): Age = Late Cretaceous or younger.


References

Reference (Deposit): Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375.

Reference (Deposit): Stewart, B.D., 1949, Memorandum on Red Top property, Dundas Bay, Juneau precinct: Alaska Territorial Department of Mines Property Examination 111-3, 2 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Mount Fairweather quadrangle, AK: U.S. Geological Survey Miscellaneous Field Study Map MF-436, 1 sheet, scale 1:250,000.

Reference (Deposit): Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p.

Reference (Deposit): MacKevett, E.M., Jr., Brew, D.A., Hawley, C.C., Huff, L.C., and Smith, J.G., 1971, Mineral resources of Glacier Bay National Monument, Alaska: U.S. Geological Survey Professional Paper 632, 90 p., 12 plates, scale 1:250,000.


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