Hand Mauldin Group

The Hand Mauldin Group is a lead, silver, zinc, and copper mine located in Beaverhead county, Montana at an elevation of 6,486 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: Hand Mauldin Group
Secondary: Mauldin Mine

Commodity

Primary: Lead
Primary: Silver
Primary: Zinc
Primary: Copper
Secondary: Gold

Location

State: Montana
County: Beaverhead
District: Argenta District

Land Status

Land ownership: Private
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: Underground

Ownership

Owner Name: West. Mining And Exploration, Dillon, Mt.

Owner Name: Hand, William
Home Office: Dillon, Mt.

Production

Year: 1972
Time Period: 1865-1972
Material type: AU
Description: Cp_Grade: ^1.38 %
Year: 1972
Time Period: 1865-1972
Material type: ORE
Description: Cp_Grade: ^8.5 %

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1867
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Type: L
Description: Stock, North-Trending Dike Cuts Limestone

Alterations

Alteration Type: L
Alteration Text: Slickensides And Gouge In Fissures, Oxidation

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Analytical Data

Not available

Materials

Ore: Plumbojarosite
Ore: Galena
Ore: Anglesite
Ore: Hemimorphite
Ore: Chalcopyrite
Gangue: Calcite
Gangue: Quartz
Gangue: Magnetite

Comments

Comment (Deposit): Discovery Year: LATE 1860'S

Comment (Development): MINES: KING SOLOMON, LITTLE NELL, YELLOWSTONE, KENNEDY OR JACKSON CREEK, LEGAL TENDER. LEGAL TENDER WAS THE LARGEST PRODUCER.

Comment (Deposit): FISSURE VEINS CONSISTS OF THE PRODUCTIVE, NORTH-TRENDING VERTICAL SET AND THE INTERCONNECTING, NORTHWEST SET, DIPPING 5 TO 60 SW.

Comment (Deposit): HAND GROUP IS CONSOLIDATION OF SEVERAL PATENTED CLAIMS: ANACONDA, RITTENHOUSE, LOUIS PHILLIP, BROWNELL, IRON MOUNTAIN, LITTLE IRON MOUNTAIN, DAYLIGHT, CAPTIN JIM, THREE TIMES WINNER, AND COPPER BLOSSOM. ; INFO.SRC : 1 PUB LIT

Comment (Production): RECORDED PRODUCTION FROM ANACONDA, BROWNELL, IRON MTN., MAULDIN, AND LOUIS PHILLIP.

Comment (Geology): TWO MAIN ORE TYPES-LEAD CARBONATES AND OXIDES, AND A HIGH-COPPER TYPE DISSEMINATED IN FE OXIDE.

Comment (Workings): MAULDIN- 4 SHAFTS, 1 TUNNEL; BROWNELL- 1 SHAFT, SEVERAL LEVELS; ANACONDA- SEVERAL SHAFTS; IRON MTN- 1 SHAFT, 2 TUNNELS

Comment (Location): HAND GROUP CONSISTS OF MINES IN NW 1/4, SECTION 29, AND NE 1/4, SECT. 30

Comment (Location): MOUNTAINOUS; SPREAD OVER A WIDE REGION - CLANCY IS NEAR THE CENTER.

Comment (Production): TOTAL PRODUCTION OF THE DISTRICT EQUALS APPROXIMATELY $3,500,000. AG = 50%; PB + ZN = 50%

Comment (Deposit): SOME MINES HAVE ORES OF PRIMARY ORIGIN, OTHERS ARE ENRICHED BY OXIDATION AND LEACHING.

Comment (Workings): KING SOLOMON MINE DESCRIBED HERE - ONLY MINE IN PRODUCTION IN 1928.

References

Reference (Deposit): MBMG BULL 6.

Reference (Deposit): MBMG BULL 85.

Reference (Deposit): MBMG BULL 92.

Reference (Deposit): MBMG BULL 30, P. 16.

Reference (Deposit): DMEA FILE 4338

Reference (Deposit): RICHARDS, J.T., 1955 B.S. THESIS, MT SCHOOL OF MINES

Reference (Deposit): 1931 COMPILE M.B.M.G., BULL. 6, SHENON, P.J.

Reference (Deposit): 1972 COMPILE M.B.M.G., BULL. 85, GEACH, R.D.

Reference (Deposit): DEFENSE MINERALS EXPLORATION ASSOCIATION FILE 4338.

Reference (Production): M.B.M.G. BULL. 85, P. 58

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.