Sunrise

The Sunrise 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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Site Name

Primary: Sunrise

Commodity

Primary: Gold
Secondary: Tungsten
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: 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

Ore: Arsenopyrite
Ore: Chalcopyrite
Ore: Pyrite
Ore: Pyrrhotite
Ore: Scheelite
Gangue: Calcite
Gangue: Quartz

Comments

Comment (Exploration): Status = Inactive

Comment (Workings): Workings / Exploration = Surface workings; it is uncertain if original claims staked by Ibach-Beach were found by later workers.

Comment (Reference): Primary Reference = Rossman, 1959 (B 1058-B)

Comment (Geology): Geologic Description = Country rocks are mainly hornfels and marble of Paleozoic age (Brew and others, 1978). The rocks are cut by mafic (lamprophyric) dikes and small granitic intrusions and are badly broken. Subparallel quartz-calcite veins occur in north-striking, steeply-dipping marble and hornfels. ? Veins investigated by the U.S. Geological Survey in 1966 (MacKevett and others, 1971, p. 62-63, loc. H, table 11) were discontinuous, 2-12 inches thick and 20-40 feet long. Quartz veins in the lamprophyre dikes contain pyrite, which is also disseminated in the dike rock. Reed (1938) reported a vein that contained 0.08 ounce per ton gold. Rossman (1959, p. 56) reported scheelite in a quartz vein. Negligible amounts of metals were found by Kimball and others (1978) in their study of the area.

Comment (Production): Production Notes = Possibly some gold sluiced off weathered outcrops.

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

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

Comment (Geology): Age = Cretaceous or younger.

References

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): 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): 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.

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): Reed, J.C., 1938, Some mineral deposits of Glacier Bay and vicinity, Alaska: Economic Geology, v. 33, p. 52-80.

Reference (Deposit): Rossman, Darwin, 1959, Geology and ore deposits in the Reid Inlet area, Glacier Bay, Alaska: U.S. Geological Survey Bulletin 1058-B, p. 33-58.

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