The Crystal Mine is a gold, silver, copper, and lead mine located in Jefferson county, Montana at an elevation of 7,799 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: 7,799 Feet (2,377 Meters)
Commodity: Gold, Silver, Copper, Lead
Lat, Long: 46.35, -112.26056
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.
Crystal Mine MRDS details
Site Name
Primary: Crystal Mine
Secondary: St. Lawrence
Secondary: Sparkling Water
Secondary: Jack Fraction
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Primary: Lead
Secondary: Quartz
Secondary: Zinc
Tertiary: Antimony
Tertiary: Arsenic
Location
State: Montana
County: Jefferson
District: Basin (Cataract, Comet) District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Delbert And John Bullock
Owner Name: Same
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1885
Discovery Year: 1883
Discovery Method: Ore-Mineral In Place
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
Form: TABULAR , LENSES
Structure
Type: R
Description: Northwest Structural Trend
Alterations
Alteration Type: L
Alteration Text: Sericitization & Kaolinization Of Qtz Mz.
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: ORE FROM THE CENTRAL AND HANGING WALL SHOOTS 0.09OZ/TON AU 19.97 OZ/TON AG, 10.9% PB, 11.3% ZN, 0.51% CU
Analytical Data: FOOTWALL ORE 1.23OZ/TON AU, 12.8OZ/TON AG, 2.8% CU
Materials
Gangue: Pyrite
Gangue: Siderite
Gangue: Ankerite
Unknown: Quartz
Comments
Comment (Commodity): COMPLEX ORE REQUIRES CONCENTRATION BY FLOAT TO YIELDMARKETABLE COPPER, LEAD, AND ZINC PRODUCTS.
Comment (Deposit): THE PROPERTY HAS PRODUCED FROM AN OPEN PIT OPERATION DURING 1975. UNDERGROUND WORKINGS ARE REPORTED TO BE REOPENED DURING 1976 - 1977. VEIN BANDS AVERAGE 2-5 FT IN WIDTH. THE INTERVALS MAY RUN UP TO 10 FT, QUARTZ CORE IN PEGMATITE
Comment (Workings): MINE OPENINGS ON THE CRYSTAL AND ADJACENT CLAIMS INCLUDE 2 SHAFTS AND ASSOCIATED LEVELS ON THE ST. LAWRENCE CLAIM; SEVERAL SHALLOW SHAFTS AND PITS ON THE JACK FRACTION BETWEEN THE ST. LAWRENCE AND CRYSTAL CLAIMS, AN UPPER ADIT, A LOWER ADIT AND APPENDED DRIFT, SEVERAL OLD SHAFTS ON THE CRYSTAL, AND AN ADIT ON THE SPARKLING WATER CLAIM AT THE EAST END OF THE MINERLIZED ZONE.
Comment (Geology): THE ZONE OF OXIDATION EXTENDS FROM SURFACE TO DEPTHS OF 25 TO 175 : ONE SHOOT MINED TO A DEPTH OF 400 FT.
Comment (Location): THREE ADITS - LOCATION TAKEN ON ABANDONED BUILDINGS BETWEEN NORTHERN TWO ADITS
Comment (Production): SIGNIFICANT PRODUCTION SINCE 1968 1911, 1913, 1914 PRODUCTION INCLUDED WITH COMET MINE.
References
Reference (Deposit): MBMG BULL 115, P. 6.
Reference (Deposit): MBMG BULL 16, P. 28-9, 102, PL. 1.
Reference (Deposit): MBMG MEM NO 31, P. 38
Reference (Deposit): USGS BULL 1151, P. 103-05
Reference (Deposit): USGS BULL 842, P. 291-2
Reference (Deposit): MBMG BULL 30, P. 23
Reference (Production): MBMG BULL 16, P. 102.
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.