Tramway Bar Placer

The Tramway Bar Placer 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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Tramway Bar Placer

Commodity

Primary: Gold

Location

State: Alaska
District: Koyukuk District

Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Surface

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Analytical Data: FINENESS 883.

Materials

Ore: Gold

Comments

Comment (Location): PLACER WITHIN .5 MI RADIUS OF LOCATION. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Production): AVE. VALUE WAS 31 CENTS PER SQ FT. GRADE CALCULATED USING ARE DEPTH OF 4 FT.

Comment (Commodity): COARSE GOLD THROUGHOUT GRAVEL, FINE GOLD ON TOP OF FALSE BEDROCK.

Comment (Development): EXPL.COM: GROUND SLUICING, ROCKERS; DISCOVERED BETWEEN 1885-1890

Comment (Deposit): AVE. DEPTH IS 4 FT.

Comment (Workings): PLACER WORKINGS ABOUT 7 MI LONG AND 50 FT WIDE. ALONG N SIDE OF RIVER.

Comment (Geology): GEOL.COM: GRAVEL CONTAINS NUMEROUS BOULDERS. LITHOLOGIES INCLUDE MICA AND GRAPHITE SCHIST, GREENSTONE, QUARTZ, QUARTZ DIORITE, GNEIOS, ARTIC CONGLOMERATE, CHERT, QUARTZITE ; MAJOR.UNITS: PLACER RESTS ON A CONGLOMERATE WITH QUARTZ PEBBLE AND FINE SAND MA TRIX.

References

Reference (Production): USGS BULL 532, P. 69

Reference (Deposit): REED, 1938, ALASKA DEPT OF MINES, P. 145-147.

Reference (Deposit): USGS OFR 76-340, P. 162.

Reference (Deposit): USGS BULL 532, P. 69, 84-85

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