Maple Leaf Mine

The Maple Leaf Mine is a gold mine located in Gunnison county, Colorado at an elevation of 8,219 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: Maple Leaf Mine
Secondary: Claims: Maple Leaf
Secondary: Maple Leaf No. 2
Secondary: Little Nellie
Secondary: Royal
Secondary: Lubricator,

Commodity

Primary: Gold
Tertiary: Silver

Location

State: Colorado
County: Gunnison
District: Cochetopa (Cochetopa Creek) 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: C. T. Sills, J. H. Fox, And C. W. Shores
Years: 1933 -

Owner Name: J. H. Fox
Home Office: Parlin, Co.
Years: 1933 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year Last Production: 1933
Discovery Year: 1890
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: San Juan Volcanic Field; Gunnison Uplift

Type: L
Description: Cochetopa Dome; Razor Creek Dome; Los Ochos Fault

Alterations

Not available

Rocks

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

Name: Amphibolite
Role: Host
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Amphibolite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Amphibolite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Analytical Data: SHIPMENTS IN 1932 ASSAYED 0.52 OZ/TON AU

Materials

Ore: Gold

Comments

Comment (Location): ON HILLSIDE 1000 FT EAST OF COCHETOPA CREEK AND 0.4 MILE ENE OF LUBRICATOR MINE, AT SILLSVILLE ; INFO FROM LAND.ST :1976

Comment (Deposit): TWO QUARTZ VEINS STRIKE EAST-WEST AND DIP STEEPLY TO SOUTH, PROBABLY RELATED TO STEEPLY DIPPING TO VERTICAL FISSURE THAT TRENDS N67 TO 77 W

Comment (Workings): SHAFT IS 290 FT DEEP, POSSIBLY INCLINED TO DEG ALONG PITCH OF VEIN, LEVEL 1 AT 60 FT HAS DRIFTS 156 FT WEST AND 70 FT EAST FROM SHAFT, LEVEL 2 AT 94 FT HAS DRIFTS 169 FT WEST AND 190 FT EAST FROM SHAFT. LEVEL 3 (TUNNEL LEVEL) AT 154 FT IS 520 FT LONG AND EXTENDS 240 FT BEYOND SHAFT. LEVEL 4 AT 225 FT HAS DRIFTS 102 FT WEST AND 87 FT EAST FROM SHAFT. SEVERAL STOPES HAVE BEEN DEVELOPED ON VARIOUS LEVELS. WORKINGS MAY HAVE EXTENDED ONTO LUBRICATOR CLAIM BUT APPARENTLY ARE SEPARATE FROM LUBRICATOR MINE.

References

Reference (Deposit): OLSON, J.C., 1976, GEOLOGIC MAP OF THE IRIS QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1286

Reference (Deposit): BLM MINERAL SURVEY MS 4910 AND 16738

Reference (Deposit): COLO. DIV. MINES INSP. REPTS. 1906, V. 8, P.21

Colorado Mining Photos

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