Yorkville Area Prospects

The Yorkville Area Prospects is a copper and silver mine located in Fremont county, Colorado at an elevation of 7,740 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

Name: Yorkville Area Prospects

State:  Colorado

County:  Fremont

Elevation: 7,740 Feet (2,359 Meters)

Commodity: Copper, Silver

Lat, Long: 38.27944, -105.27917

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.


Satelite image of the Yorkville Area Prospects

Yorkville Area Prospects MRDS details

Site Name

Primary: Yorkville Area Prospects


Commodity

Primary: Copper
Primary: Silver
Secondary: Barium-Barite


Location

State: Colorado
County: Fremont
District: Southern Grape Creek Area


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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
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

Model Name: Carbonatite


Orebody

Not available


Structure

Type: R
Description: Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field

Type: L
Description: Ne-Trending Shears Contain Barite


Alterations

Alteration Type: L
Alteration Text: Altered Biotite Gneisses; Kaolinization


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Mesoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Mesoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: CU (0.06-2.5%), AG (0.2-2.2 0Z/TON),


Materials

Ore: Malachite
Ore: Barite
Ore: Silver
Gangue: Garnet
Gangue: Quartz


Comments

Comment (Workings): SCATTERED PROSPECT PITS; ONE MEASURES 15 FT DIAMETER, 4 FT DEEP.

Comment (Location): SOUTH TO SOUTHWEST OF CANON CITY FOR 19 MILES ON OAK CREEK GRADE TO YORKVILLE SITE, THEN SOUTH ONE MILE TO WORKINGS ; INFO FROM LAND.ST :(1976)

Comment (Deposit): HIGH CU AND AG VALUES INDICATED BUT DEPOSIT APPEARS TO BE MINED OUT


References

Reference (Deposit): COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 47-49

Reference (Deposit): TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1: 62,500.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

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