Last Chance Mine

The Last Chance Mine is a antimony 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: Last Chance Mine
Secondary: Caribou

Commodity

Primary: Antimony
Secondary: Silver
Secondary: Gold

Location

State: Alaska
District: Kantishna District; Kantishna Mining Area

Land Status

Land ownership: National Park
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

Year: 1974
Time Period: 1905-1974

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1905
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Kantishna Antiform

Type: L
Description: Series Of Nw Trending Faults

Alterations

Not available

Rocks

Name: Hornblendite
Role: Host
Age Type: Host Rock Unit
Age Young: Early Cambrian

Analytical Data

Analytical Data: 2.76-4.0 OZ/TON AG, 0.12 OZ/TON AU
Analytical Data: ASSAY VALUES ARE 14.30% SB, 0.34 OZ/TON AG, 0.05 OZ/TON AU

Materials

Ore: Stibnite
Gangue: Jamesonite
Gangue: Pyrrhotite
Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Reserve-Resource): BUNDTZEN, T.K., 1983, P.23

Comment (Location): INTERSECTION OF CARIBOU CREEK AND LAST CHANCE CREEK LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Production): ACTUAL PRODUCTION YEARS ARE 1905, 1968-1970, 1973-1974; MINING BEING DONE IN 1975

Comment (Development): MINING BEING DONE IN 1975

Comment (Workings): SHORT ADITS, SHALLOW SHAFTS AND TRENCHES; TWO SHAFTS DUG IN 1900'S 40 AND 30 FT DEEP WERE FLOODED IN 1916; SMALL CONCENTRATOR ON SITE

Comment (Deposit): SEE ALSO: CARIBOU CREEK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

References

Reference (Production): BUNDTZEN, T.K., 1976, P.27

Reference (Deposit): ADGGS REPORT OF INVESTIGATIONS 83-12, P.23

Reference (Deposit): USGS OPEN FILE REPORT 77-169A, P.45 LOC.21

Reference (Deposit): ADGGS OPEN FILE REPORT 98, P.27, 36 LOC.50

Reference (Deposit): USGS BULLETIN 687, P. 108-109

Reference (Deposit): USGS BULLETIN 314, P.219

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