Dome View

The Dome View 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: Dome View

Commodity

Primary: Gold
Secondary: Silver
Secondary: Arsenic
Secondary: Antimony

Location

State: Alaska
District: Fairbanks

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: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: The predominant alteration present in samples collected on the prospect was stockwork silicification accompanied by hematite after pyrite, and scorodite after arsenopyrite (Fairbanks Exploration Inc., unpublished report, 1986).

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Gold

Comments

Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c).

Comment (Workings): Workings / Exploration = The Dome View prospect contains exploration pits and two adits, Dome View #1 and Dome View #2. The adits were caved by 1986 (Fairbanks Exploration Inc., unpublished report, 1986). Dome View #2 is about 1,000 feet southwest of Dome View #1.

Comment (Geology): Geologic Description = The quartz mica schist which makes up the country rock at this prospect trends N 60 E and dips 15 to 20 SE. Diorite of the Pedro Dome intrusive crops out a short distance south of the adit. The prospect was accessed by a 145-foot-long adit on a shear zone striking N 40 E and dipping 70 NW. The shear zone ranges from 12 to 40 inches wide and averages 30 inches. It is composed of crushed and brecciated white quartz in the hanging wall and more massive white quartz in the footwall. Samples collected from the margins of the shear contained from $0.38 to $3.26 per ton in gold (0.02 to 0.15 ounces of gold per ton) but do not represent the higher grade portion of the shear which was unsafe to sample (Hill, 1933). Approximately 1,300 tons of ore was extracted from the adit which was estimated to contain $5 per ton in gold (0.24 ounces of gold per ton). A second tunnel, known as the Dome View #2, was driven on a shear about 1,000 feet southwest of the Dome View #1 adit. The Dome View #2 was thought to be the same shear as exposed in the Dome View #1 adit; however, the Dome View #2 shear dips in the opposite direction and probably represents a different shear zone. ? the prospect was mapped and sampled in 1933 by Spencer and O'Neill (1934) who reported that a shaft sunk near the Dome View #2 adit had exposed arsenopyrite- and pyrite-rich quartz containing a little free milling gold. Spencer and O'Neill (1934) attributed the formation of the Dome View prospect to the Pedro Dome intrusive body. Scorodite and iron oxide are common in brecciated quartz from the Dome View prospect. Two samples collected at 18 and 30 feet from the Dome View #1 portal averaged 0.10 and 0.12 ounces of gold per ton, over 18 and 24 inches, respectively. A grab sample of quartz-rich material from this adit's dump returned 0.32 ounces of gold per ton A dump sample from the Dome View #2 shaft contained 1.94 ounces of gold per ton from material containing 30 to 40% sulfides. The shear at the Dome View #2 shaft trends N 85 E and dips 70 SW. Two samples collected from the dump of the Dome View #2 shaft in 1969 contained greater than 150 ppm gold.? the prospect was examined in 1986 by Fairbanks Exploration Inc. (Fairbanks Exploration Inc., unpublished report, 1986). Exploration pits and at least two caved adits on the prospect expose bedrock similar to those at the Newsboy mine; however felsic schist apparently constitutes a smaller portion of the rock section in the vicinity of the Dome View prospect. The predominant alteration present in samples collected on the prospect was stockwork silicification accompanied by hematite after pyrite, and scorodite after arsenopyrite (Fairbanks Exploration Inc., unpublished report, 1986). Despite the lack of intense alteration, gold values ranged up to 6100 ppb and were accompanied by anomalous silver, antimony and arsenic. No work has been conducted on this prospect since 1986.

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = Hill, 1933

Comment (Production): Production Notes = Approximately 1300 tons of ore was mined from the Dome View #1 adit and it was estimated to contain $5 per ton in gold (0.24 ounces of gold per ton) (Hill, 1933).

References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000.

Reference (Deposit): Spencer, W.W. and O'Neill, W.A., 1934, A survey of gold quartz veins on the north flank of Pedro Dome: University of Alaska, Fairbanks, Bachelor of Science thesis, 52 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.

Reference (Deposit): Hill, J.M., 1933, Lode deposits of the Fairbanks District, Alaska: U.S. Geological Survey Bulletin 849-B, p. 29-163.

Reference (Deposit): Freeman, C.J., 1992, 1991 Golden Summit project final report, volume 2: Historical summary of lode mines and prospects in the Golden Summit project area, Alaska: Avalon Development Corp., 159 p. (Report held by Freegold Recovery Inc. USA, Vancouver, British Columbia.)

Reference (Deposit): Chapman, R.M., and Foster, R.L., 1969, Lode mines and prospects in the Fairbanks district, Alaska: U.S. Geological Survey Professional Paper 625-D, 25 p., 1 plate.

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