Henderson Gulch Placer

The Henderson Gulch Placer is a gold and tungsten mine located in Granite county, Montana at an elevation of 4,649 feet.

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: Henderson Gulch Placer
Secondary: Henderson

Commodity

Primary: Gold
Primary: Tungsten
Secondary: Sand and Gravel, Construction

Location

State: Montana
County: Granite
District: Henderson District

Land Status

Not available

Holdings

Not available

Workings

Type: Surface

Ownership

Owner Name: Jake Schneider Phillipsburg, Mt

Owner Name: Henderson Tungsten Co.
Home Office: C/O J. D. Drent, Hall, Mt

Production

Year: 1949
Time Period: 1866-1949
Mined: 3.000 mt
Material type: gold
Year: 1941
Time Period: 1939-1941
Material type: AU
Description: Cp_Grade: ^0.06 Lb/Cu Yd
Year: 1913
Time Period: 1866-1913
Material type: AU
Description: Cp_Grade: ^.005 Oz/Cu Yd

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer Au-PGE
Operation Type: Unknown
Year Last Production: 1957
Discovery Year: 1866
Discovery Method: Unknown
Years of Production:
Organization:
Significant: Y
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: John Long Mountains

Mineral Deposit Model

Model Name: Placer Au-PGE

Orebody

Form: DISSEMINATED DEPOSIT IS TRIANGULAR - SHAPED INTRUSION

Structure

Type: R
Description: Phillipsburg Batholith, Phillipsburg Overthrust

Type: L
Description: Sunrise And Henderson Mountain Anticline, Fracture Zone Trending N 60 E, Dipping E

Alterations

Alteration Type: L
Alteration Text: Newland Limestone, Shale Altered To Hornfels, Tactite

Rocks

Name: Diorite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Scheelite
Ore: Gold

Comments

Comment (Reserve-Resource): ASSUME MINING OF GRANODIORITE INTRUSION TO DEPTH OF 120 M.

Comment (Location): UTM LOCATION ON DREDGE TAILINGS SEC. 29, T. 9N, R. 13W

Comment (Geology): DISSEMINATED AG AND W IN 57 ACRE INTRUSION IN SEC. 2 AND 3, T8N, R14W,R42W

Comment (Production): IN 1943 IT PRODUCED $69685 BUT THE VALUE OF AG AND WO3 INCREASE SO THAT ABOUT $100000 WAS MADE.

Comment (Workings): GROUND SLUICING, HYDRAULIC GIANT, DRIFT MINES, 1939 A STATIONARY WASHER AND DRAG-LINE SHOVEL WERE PUT ON NEW DEAL PROP.

References

Reference (Deposit): USBM REPT INVES 5612, P. 2, 6, 8. 17

Reference (Deposit): USBM PEPT INVES 4914

Reference (Deposit): MBMG MEM NO 26, P. 35, 39, 40.

Reference (Deposit): USGS PP 610, P. 152

Reference (Deposit): USGS PP 78, P. 263.

Reference (Deposit): MBMG BULL 10, P. 21.

Reference (Deposit): 1947 DIREXPL U. S. BUREAU MINE

Reference (Production): WALKER, USBM R. I. 5612

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.