Last Chance Gulch Placer

The Last Chance Gulch Placer is a gold mine located in Lewis and Clark county, Montana.

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: Last Chance Gulch Placer  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Gold

Lat, Long: 46.58194, -112.02917

Map: View on Google Maps

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.


Satelite image of the Last Chance Gulch Placer

Last Chance Gulch Placer MRDS details

Site Name

Primary: Last Chance Gulch Placer
Secondary: Oro Fino
Secondary: Dry and Grizzley Gulches


Commodity

Primary: Gold


Location

State: Montana
County: Lewis and Clark
District: Helena District


Land Status

Land ownership: National Forest
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

Not available


Ownership

Owner Name: Porter Brothers Corp. And Perry-Schroeder Dredge


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1864
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Boulder Batholith


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Gold


Comments

Comment (Location): LAT. LONG. ON LAST CHANCE GULCH, SW OF HELENA. ; INFO FROM LAND.ST :(1950)

Comment (Geology): GOLD DERIVED FROM LODE DEPOSITS WITHIN DRAINAGE BASIN OF LAST CHANCE AND ITS TRIBUTARIES.

Comment (Deposit): THE AREA OF FIRST DISCOVERY IS NOW UNDER HELENA'S BUSINESS DISTRICT. THE FLATS N. OF HELENA AND THE GULCHES SW (OROFINO, DRY AND GRIZZLEY GULCHES) ARE INCLUDED IN THE LAST CHANCE PLACER. ; INFO.SRC : 1 PUB LIT

Comment (Development): 1935 CONNECTED BUCKET DREDGE ON GULCH N. OF TOWN.


References

Reference (Deposit): MBMG MEM 26, P. 55-57.

Reference (Deposit): USGS BULL 842, P. 36.

Reference (Deposit): MBMG MEM 5, P. 24.

Reference (Deposit): USGS PP 610, P. 154-55.

Reference (Production): MBMG MEM NO 26, P. 56, 57.