The Little Bobby Vein is a gold mine located in Larimer county, Colorado at an elevation of 8,369 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: 8,369 Feet (2,551 Meters)
Commodity: Gold
Lat, Long: 40.68667, -105.65333
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.
Little Bobby Vein MRDS details
Site Name
Primary: Little Bobby Vein
Commodity
Primary: Gold
Secondary: Copper
Secondary: Lead
Location
State: Colorado
County: Larimer
District: Mayesville 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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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, Sherman Batholith
Type: L
Description: Poudre River Shear Zone
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
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: GRAB SAMPLE CONTAINED 0.90 OZ/TON AU
Analytical Data: CHANNEL SAMPLE CONTAINED 0.30 OZ/TON AU
Materials
Ore: Pyrite
Ore: Galena
Gangue: Limonite
Comments
Comment (Location): LOVERING AND GODDARD CITE LOCATION AS APPROX 1.5 MILES SW OF RUGH RANCH. ELEV AND LAT-LONG GIVEN ARE FOR CENTER N2 N2 S2 SEC. 02 ON 8370-FT CONTOUR. ; INFO FROM LAND.ST :(1980)
Comment (Workings): ONE SHAFT OF UNKNOWN DEPTH AND ONE SHORT ADIT
Comment (Deposit): VEIN STRIKES N 70 TO 80 E, DIPS 50 N, AND CONSISTS OF 1 FT OF CRUSHED GOUGY ROCK AND 4 FT OF LIMONITE-STAINED SHEETED PEGMATITE ADJACENT TO MAIN SHEAR ZONE. VEIN MATERIAL IS CHIEFLY LIMONITE-STAINED DRUSY BRECCIA SEAMED WITH QUARTZ AND CONTAINING DISSEMINATED CHALCOPYRITE, PYRITE, AND GALENA.
References
Reference (Deposit): LOVERING, T.S., AND GODDARD, E.N., 1950, GEOLOGY AND ORE DEPOSITS OF THE FRONT RANGE, COLORADO: USGS PROF. PAPER 223, P. 286
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
