The Invincible Quartz Lode is a silver, gold, lead, copper, and tungsten mine located in Madison county, Montana at an elevation of 7,500 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: 7,500 Feet (2,286 Meters)
Commodity: Silver, Gold, Lead, Copper, Tungsten
Lat, Long: 45.57917, -111.94583
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.
Invincible Quartz Lode MRDS details
Site Name
Primary: Invincible Quartz Lode
Commodity
Primary: Silver
Primary: Gold
Primary: Lead
Primary: Copper
Primary: Tungsten
Location
State: Montana
County: Madison
District: Potosi
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Potosi Tungsten Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1951
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; Bismark Fault
Alterations
Not available
Rocks
Name: Monzonite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: ASSAY REPORT FOR CLAIM { SAMPLE NO. 3032 FROM DEV. CUT NO. 3 - GOLD: TRACE, SILVER: 0.20 OZ. PER TON, LEAD: 2.0 LBS. PER TON, COPPER: TRACE, TUNGSTIC TRIOXIDE: 0.89 STU 65% GRADE {{ SAMPLE 3033 FROM OUT CROP "A" - GOLD: TRACE, SILVER: 1.0 OZ. PER TON, LEAD: 3.0 LBS. PER TON, COPPER: TRACE, WO3: 1.49 STU 65% GRADE {{ SAMPLE 3030 FROM OUTCROP "B" - GOLD: TRACE, SILVER: 0.70 OZ. PER TON, TUNGSTEN: 2.845 STU 65% GRADE {{ SAMPLE 3031 FROM THE ORE PILE (THIS IS A GRAB SAMPLE) - GOLD: TRACE, SILVER: 2.3 OZS. PER TON, WO3: 2.23 STU 65% GRADE
Materials
Not available
Comments
Comment (Workings): IMPROVEMENTS ON THE CLAIM { DISCOVERY CUT - 12 FEET DEEP BY 8 FEET LONG BY 4-5 FEET WIDE. {{ DEVELOPMENT TUNNEL NO. 2 - 5-7 FOOT ADIT AND ABOUT 12 FEET LONG. {{ DEVELOPMENT WORKING NO. 3 - 8 FEET WIDE BY 12 FEET DEEP BY 21 FEET LONG. {{ OUTCROP A - 100 FEET WEST OF CUT NO. 3, STRIKES ABOUT N. 10 DEG. AND DIPS 75 DEG TO 80 DEG. NE. {{ OUT CROP B - 130 FEET SOUTH OF OUTCROP A. {{ OUTCROP C - 100 FEET NORTHWEST OF THE OLD ORE BIN, THERE ARE SEVERAL CUTS AND TRENCHES ALONG THE VEIN IN THIS OUTCROP. {{ TWO LOG BUILDINGS ARE ON THE CLAIM - IN BAD STATE OF REPAIR AND TOTALLY UNUSABLE AND ARE LOCATED NEAR THE CENTER AND SOUTH END OF THE CLAIM. {{ ORE BIN - LOG STRUCTURE SITUATED NEAR THE CENTER AND NORTH END OF THE CLAIM. ROTTED.
Comment (Geology): GEOLOGY: { THE POTOSI TUNGSTEN DEPOSITS OCCUR IN A LARGE IRREGULAR BODY OF ALASKITE. {{ THE ACCESSORY MINERALS ARE SPHENE (TITANITE) AND APATITE IN THE UNALTERED ROCK. FLUORITE, PYRITE, AND MAGNETITE ARE CONSTITUENTS OF THE ALTERED ROCKS.
Comment (Commodity): SAMPLES FROM DEVELOPMENT CUT NO. 3; OUTCROP A AND B; ORE PILE
References
Reference (Deposit): MBMG MEM 9.
Reference (Deposit): VITALIANO, C, CORDUA, W, 1979, GEOLOGIC MAP OF SOUTHERN TOBACCO ROOT MTN., MADISON CO., MONTANA, GEOL. SOC. AMER., MC-31.
Reference (Deposit): 1966 DIREXPL USF
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.