The Granite Mountain No. 4 Claim is a silver, manganese, tungsten, iron, copper, and gold mine located in Madison county, Montana at an elevation of 7,999 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
Elevation: 7,999 Feet (2,438 Meters)
Commodity: Silver, Manganese, Tungsten, Iron, Copper, Gold
Lat, Long: 45.56667, -111.96667
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.
Granite Mountain No. 4 Claim MRDS details
Site Name
Primary: Granite Mountain No. 4 Claim
Commodity
Primary: Silver
Primary: Manganese
Primary: Tungsten
Primary: Iron
Primary: Copper
Primary: Gold
Location
State: Montana
County: Madison
District: Potosi
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: E. Roy Grigg
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1940
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Tobacco Root Batholith
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: {{ ASSAY REPORT 1965 { SAMPLE GM 2004 FROM DEV. CUT NO. 2 - TUNGSTEN: TRACE, GOLD: TRACE, SILVER: 0.10 OZ. PER TON, MANGANESE: 1.895 LTU 48% GRADE
Analytical Data: {{ SAMPLE 672 FROM DEVELOPMENT CUT NO. 3 - 1962*: SILVER - TRACE, MANGANESE - 0.842%, TUNGSTEN TRIOXIDE - NONE, 1962: IRON - 1.6%, INSOL - 89.6%, MANGANESE - 0.67%, 2ND 1962: COPPER - 0.06%, V205 - TRACE
Analytical Data: ASSAY REPORT { SAMPLE 671 FROM DEVELOPMENT CUT NO. 2 - 1961: SILVER - TRACE, MANGANESE - 0.428%, TUNGSTEN TRIOXIDE - 0.02%, 1962: IRON - 2.2%, INSOL - 88.3%, MANGANESE - 0.75%, 2ND 1962: COPPER - 0.06%, VANADIUM PENTOXIDE - TRACE
Analytical Data: { 1969 SAMPLE NO. 5062 COMPOSITE FROM DEV CUTS NOS. 2 - 3. EVALUATION - WAD AND MINERAL NOT PRESENT IN SIGNIFICANT AMOUNTS TO TELL
Analytical Data: {{ 1968 SAMPLE VALUES RECALCULATED IN 1968 ACCORDING TO THAT YEARS MARKET PRICES.
Analytical Data: {{ SAMPLE 672 FROM DEV. CUT NO. 3 - SILVER AND V205: TRACE, COPPER: 1.0 LB. PER TON, MANGANESE: 1.59
Analytical Data: {{ SAMPLE GM 2005 FROM DEV. CUT. NO. 3 - GOLD: TRACE, SILVER AND COPPER: TRACE, TUNGSTEN: TRACE, MANGANESE: 14.0 LBS. PER TON OR, 1.32 LTU 48% GRADE
Analytical Data: {{ SAMPLE 671 FROM DEV. CUT NO. 2 - SILVER: TRACE, COPPER: 1.2 LBS. PER TON, V205: TRACE, MANGANESE: 1.42 LTU, TUNGSTEN TRIOXIDE: 0.031 STU
Materials
Not available
Comments
Comment (Geology): TOBACCO ROOT BATHOLITH: THIS BATHOLITH HAS INTRUDED THE PRE-BELTIAN, PRECAMBRIAN METAMORPHIC ROCKS AND PALEOZOIC SEDIMENTARY ROCKS DURING LARAMIDE OROGENY, WHICH OCCURED IN THIS AREA DURING LATE CRETACEOUS OR EARLY EOCENE TIME. {{ SEDIMENTARY FORMATIONS: PLEISTOCENE MORAINE AND RECENT STREAM ALLUVIUM WHICH COVER THE CANYON FLOOR. {{ METAMORPHIC ROCKS: MADE UP OF THOUSANDS OF FEET OF DARK-COLORED GNEISSES AND SCHISTS BELONGING TO THE PONY SERIES OF PRECAMBRIAN AGE. {{ IGNEOUS ROCKS: THE TYPICAL IGNEOUS ROCKS ARE QUARTZ-MONZONITE COMPOSED OF ABOUT 20% QUARTZ, 30% ORTHOCLASE, 40% PLAGIOCLASE, FLEDSPARS, LESS THAN 3% BIOTITE, AND 1% HORNBLENDE. ACCESSORY MINERALS ARE ABOUT 2% SPHENE, 1% APATITE, AND 2% MAGNETITE AND SULFIDES (PYRITE).
Comment (Workings): IMPROVEMENTS ON CLAIM { DISCOVERY CUT - 5 FEET LONG BY 4 FEET WIDE BY 4-6 FEET DEEP, CAVED. {{ DEVELOPMENT CUT NO. 2 - 110 FEET LONG BY 14 FEET WIDE BY 4-6 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - 130 FEET LONG BY 14 FEET WIDE BY 2-12 FEET DEEP. {{ DEVELOPMENT CUT NO. 4 - 16-20 FEET LONG BY 8 FEET WIDE BY 5 FEET DEEP, PARTICALLY CAVED. {{ DEVELOPMENT CUT NO. 5 - ADJOINS CUT NO. 4, 16-20 FEET LONG BY 7 FEET WIDE BY 4-5 FEET DEEP, PARTICALLY CAVED. {{ DEVELOPMENT CUT NO. 6 - AN OLD ABANDONED ADIT, PORTAL IS CAVED AND INACCESSIBLE. {{ DEVELOPMENT CUT NO. 7 - AN OLD ADIT, PORTAL IS CAVED AND IN ACCESSIBLE, IT IS REPORTED TO BE 40 FEET IN LENGTH. {{ IMPROVEMENTS ON CLAIM 1965 { DISCOVERY CUT NO. 1 - 16 FEET LONG BY 4 FEET WIDE BY 7-9 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - 130 FEET LONG BY 8-14 FEET WIDE BY 5-8 FEET DEEP. {{ DEVELOPMENT CUT NO. 4 - 12 FEET LONG BY 4 FEET WIDE BY 6 FEET DEEP. {{ DEVELOPMENT CUT NO. 5 - 15 FEET LONG BY 4 FEET WIDE BY 8 FEET DEEP. {{ DEVELOPMENT CUT NO. 6 - OLD
Comment (Workings): ADIT, REPORTED LENGTH OF 200 FEET.
Comment (Location): ALL LOCATIONS ESTIMATED FROM SECTION CORNERS; GOOD TO WITHIN ONE MILE OF EXACT LOCATION.
Comment (Commodity): SAMPLES FROM DEVELOPMENT CUT NO. 2 AND NO. 3, COMMODITIES INCLUDE VANADIUM PENTOXIDE.
References
Reference (Deposit): 1961 DIREXPL USFS
Reference (Deposit): 1965 DIREXPL USFS
Reference (Deposit): 1968 DIREXPL USFS
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.
