The Janet Lucritia Mine is a quartz mine located in Jefferson county, Colorado at an elevation of 7,100 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: 7,100 Feet (2,164 Meters)
Commodity: Quartz
Lat, Long: 39.37917, -105.19222
Map: View on Google Maps
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Janet Lucritia Mine MRDS details
Site Name
Primary: Janet Lucritia Mine
Secondary: Janice Lucertia Mine
Commodity
Primary: Quartz
Tertiary: Iron
Location
State: Colorado
County: Jefferson
District: South Platte Pegmatite District
Land Status
Land ownership: National Forest
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: E. S. Robinson And Son
Home Office: Woodland Park, Co.
Years: 1964 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1964
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
Form: CIRCULAR, OVAL
Structure
Type: R
Description: Front Range Uplift, Pikes Peak Batholith
Type: L
Description: Kennedy Gulch Fault Zone
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Quartz
Comments
Comment (Location): SOUTH OF SPRING CREEK JUST NORTH OF GEMINI PEGMATITE ; INFO FROM LAND.ST :(1975)
Comment (Deposit): CIRCULAR TO OVAL PEGMATITE HAS NO WALL OR INTERMEDIATE ZONES BUT ONLY A CORE ZONE OF MICROCLINE-QUARTZ. LARGE HEMATITE REPLACEMENT BODY MEASURING 3X2X2 FT AND WEIGHING AT LEAST 300 LB TRANSECTS QUARTZ CORE AND TRENDS SUBPARALLEL TO NW-TRENDING FAULT GOUGE THAT TRUNCATES NE SIDE OF PEGMATITE.
Comment (Workings): OPEN CUT INTO CORE ZONE
References
Reference (Deposit): SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.
Reference (Deposit): PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.
Reference (Deposit): HAYNES, C.V., JR., 1965, GENESIS OF THE WHITE CLOUD AND RELATED PEGMATITES, SOUTH PLATTE AREA, JEFFERSON COUNTY, COLORADO: GSA BULL., V. 76, NO. 4, P. 441-462.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.