Little Patsy Mine

The Little Patsy Mine is a feldspar and quartz mine located in Jefferson county, Colorado at an elevation of 7,441 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

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.

Site Name

Primary: Little Patsy Mine
Secondary: Patsy Mine
Secondary: Claim: Little Patsy

Commodity

Primary: Feldspar
Primary: Quartz
Secondary: REE
Secondary: Fluorine-Fluorite
Tertiary: Thorium
Tertiary: Niobium (Columbium)
Tertiary: Tantalum

Location

State: Colorado
County: Jefferson
District: South Platte Pegmatite 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: Unknown

Ownership

Owner Name: Forest Hamilton
Home Office: Buffalo Creek
Years: 1967 -

Owner Name: Colorado Clay And Mining Co.
Home Office: St. Louis, Mo.
Years: 1967 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1967
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

Form: CIRCULAR

Structure

Type: R
Description: Front Range Uplift, Pikes Peak Batholith

Type: L
Description: Pine Gulch Fault

Alterations

Alteration Type: L
Alteration Text: Perthite Replaced By Cleavelandite; Biotite By Hematite; Possible Hydration Of Cyrtolite-Thorite; Partial Replacement Of Fluorite By Yttrofluorite; Minor Sericite.

Rocks

Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Quartz
Gangue: Biotite
Gangue: Cleavelandite
Gangue: Muscovite
Gangue: Fergusonite
Gangue: Sericite
Gangue: Thorite

Comments

Comment (Production): WORKED EXTENSIVELY FOR COPPER IN 1870'S; THESE FIGURES ARE FROM THE STOCKTON MINE

Comment (Deposit): ROUGHLY CIRCULAR TO POD-SHAPED PEGMATITE IS CONCENTRICALLY ZONED AND CONTAINS 1) 5- TO 20-FT-THICK WALL ZONE OF GRAPHIC GRANITE WITH SCATTERED BIOTITE BLADES; 2) OUTER INTERMEDIATE ZONE ENCOMPASSING THE MIDDLE INTERMEDIATE OF BIOTITE WITH THORITE AND CYRTOLITE AGGREGATES IN MICROCLINE-PERTHITE; 3) POORLY DEVELOPED INNER INTERMEDIATE ZONE OF FLUORITE; 4) QUARTZ CORE. FERGUSONITE OCCURS IN OUTER INTERMEDIATE ZONE.

Comment (Workings): OPEN CUT, SEMIANNULAR CUT IN FLD AROUND QUARTZ CORE AND CUT INTO SE WALL OF QUARTZ CORE.

Comment (Production): PRODUCTION FOR 1964 INCLUDES TONNAGE FROM OREGON NO. 3 MINE. RECORDS SHOW ONLY QUARTZ AND RAE-FLUORITE PRODUCTION, BUT SIMMONS AND HEINRICH'S MAP (PL. 9) SHOWS PERTHITE ZONE EXCAVATED.

Comment (Location): WEST OF LION GULCH 1.3 MILES NW OF RALEIGH PEAK ; INFO FROM LAND.ST :(1975)

Comment (Deposit): 9 VEINS AT STOCKTON MINE, ALL STRIKE NE, PARALLEL TO SCHISTOSITY OF HOST ROCK. VEINS ARE PEGMATITIC IN CHARACTER; GERTRUDE AND STOCKTON ARE MAIN VEINS IN DISTRICT

Comment (Workings): SHAFTS, ADITS, TUNNELS, PITS, OPEN CUTS

Comment (Reserve-Resource): MUCH OF THE TUNGSTEN RESERVE CONSISTS OF THE DUMPS AT THE SADDLE, STOCKTON, AND OTHER MINES IN THE DISTRICT

Comment (Commodity): SCHEELITE FIRST RECOGNIZED DURING WWI

Comment (Location): SPECIFIC LOCATION INFORMATION IS FOR THE STOCKTON MINE, THE LARGEST IN THE DISTRICT ; INFO FROM LAND.ST :(1976)

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.

Reference (Production): COLORADO DIVISION OF MINES ANNUAL OPERATORS REPTS.

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.