The Ladwig Group is a uranium mine located in Jefferson county, Colorado at an elevation of 6,749 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: 6,749 Feet (2,057 Meters)
Commodity: Uranium
Lat, Long: 39.76972, -105.26944
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.
Ladwig Group MRDS details
Site Name
Primary: Ladwig Group
Secondary: Claims: Ladwig No. 1
Secondary: Ladwig No. 2
Secondary: Ladwig No. 3
Commodity
Primary: Uranium
Tertiary: Copper
Tertiary: Lead
Tertiary: Zinc
Location
State: Colorado
County: Jefferson
District: Ralston Buttes 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
Not available
Ownership
Owner Name: L. C. Ladwig
Home Office: Golden, Co.
Years: 1960 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1971
Year Last Production: 1971
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Front Range Uplift, Denver Basin
Type: L
Description: Hurricane Hill Fault System
Alterations
Alteration Type: L
Alteration Text: Limonite, Cu Carbonates
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: MINERALIZED GRAB SAMPLES CONTAINED UP TO 1.36% U, 8.25% CU, 0.10% PB, 0.10% ZN
Materials
Ore: Torbernite
Ore: Uranophane
Ore: Pyrite
Ore: Covellite
Ore: Pitchblende
Ore: Bornite
Comments
Comment (Location): ALONG GOLDEN GATE CANYON ; INFO FROM LAND.ST :(1975)
Comment (Development): PROBABLY A COPPER PROSPECT INITIALLY. NELSON-MOORE AND OTHERS (1978) REPORT SMALL U ORE SHIPMENT IN 1971 FOR PRIVATE URANIUM SALES BY COTTER CORP.
Comment (Deposit): URANIUM AND SECONDARY CU MINERALS FOUND IN FRAGMENTS OF CARBONATE FAULT BRECCIA IN NW-TRENDING SUBSIDIARY BRANCHES OF HURRICANE HILL FAULT SYSTEM
Comment (Workings): PROSPECT PITS, CAVED ADIT, 12-FT-DEEP SHAFT
References
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 192-193
Reference (Deposit): SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520.
Reference (Deposit): ADAMS, J.W., AND OTHERS, 1953, URANIUM OCCURRENCES IN THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO: USGS CIRC. 320
Colorado Mining Photos
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