The Laclede Shaft is a lead, gold, copper, and silver mine located in Juab county, Utah at an elevation of 6,319 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: 6,319 Feet (1,926 Meters)
Commodity: Lead, Gold, Copper, Silver
Lat, Long: 39.88722, -112.10278
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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.
Laclede Shaft MRDS details
Site Name
Primary: Laclede Shaft
Secondary: Weir Property
Commodity
Primary: Lead
Primary: Gold
Primary: Copper
Primary: Silver
Location
State: Utah
County: Juab
District: Tintic 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: Thomas Weir (Estate)
Home Office: Alameda, Ca.
Owner Name: Exxon Minerals Co.
Home Office: Sparks, Nevada
Production
Year: 1905
Time Period: 1898-1905
Material type: ORE
Description: Cp_Grade: ^8.2% Cu, 26.5 Oz Ag, 0.029 Oz Au
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1918
Discovery Year: 1871
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Thomas Mountains - Tintic Mountains
Mineral Deposit Model
Not available
Orebody
Form: PINCH AND SWELL
Structure
Type: R
Description: North Fractures
Type: L
Description: Clays
Alterations
Alteration Type: L
Alteration Text: Argillization
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Analytical Data
Analytical Data: 400 - 500 LEVEL 18.17% CU, 4.3.55 OZ AG, 0.04 OZ AU
Materials
Gangue: Quartz
Comments
Comment (Production): BEST ORE FROM 400 - 500 LEVEL
Comment (Development): SHAFT MAIN ENTRY TO LAST WORK ON WEIR PROPERTY
Comment (Deposit): BEST ORE BELOW 300 FT, PROBABLY ENRICHED
Comment (Workings): 500 LEVEL OF SHAFT PASSED THROUGH SEVEN FT OF 7 PERCENT COPPER ACCORDING TO 1902 NEWSPAPER REPORT
Comment (Geology): APPEARS TO BE STRONGER SYSTEM OF VEIN, HERE THAN AT OTHER PROSPECTS OF TREASURE HILL
Comment (Deposit): AN EARLY DAY OPERATION ; INFO.SRC : 1 PUB LIT
Comment (Location): SOUTH FLANK OF HILL, IN GULOTT ; INFO FROM LAND.ST :1977
References
Reference (Deposit): MORRIS, H.T., AND LOVERING, T.S., 1979, GENERAL GEOLOGY AND MINES OF THE EAST TINTIC MINING DISTRICT, UTAH AND JUAB COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1024, 194 PP.
Reference (Deposit): COOK, D.R., ED., 1957, GEOLOGY OF THE EAST TINTIC MOUNTAINS AND ORE DEPOSITS OF THE TINTIC MINING DISTRICTS: UTAH GEOL. SOC. GUIDEBOOK, NO. 12, 183 P.
Reference (Deposit): MORRIS, H.T., 1964, GEOLOGY OF THE EUREKA QUADRANGLE, UTAH AND JUAB COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY BULLETIN 1142-K, P. K1-K29.
Reference (Deposit): LINDGREN, WALDEMAR, AND LOUGHLIN, G.F., 1919, GEOLOGY AND ORE DEPOSITS OF THE TINTIC MINING DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 107, 276 PP.
Reference (Deposit): SALT LAKE MINING REVIEW: DECEMBER 15, 1902, PAGE 30.
Reference (Deposit): REPORT ON WEIR CONSOLIDATED GROUP, BY T. WEIR, 1918: UNPUBLISHED REPORT IN WRITER'S FILES.
Reference (Production): WEIR REPORT, 1922
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