The Hilltop No. 23 Mine is a beryllium mine located in Larimer county, Colorado at an elevation of 7,841 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: 7,841 Feet (2,390 Meters)
Commodity: Beryllium
Lat, Long: 40.50639, -105.34333
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.
Hilltop No. 23 Mine MRDS details
Site Name
Primary: Hilltop No. 23 Mine
Secondary: Hilltop Group
Commodity
Primary: Beryllium
Tertiary: Uranium
Location
State: Colorado
County: Larimer
District: Crystal Mountain (Storm Mountain) 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: American Beryl Corp.
Home Office: Fort Collins, Co.
Years: 1958 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1958
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
Type: L
Description: Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Alterations
Not available
Rocks
Name: Tonalite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Tonalite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Beryl
Comments
Comment (Location): IN LAMPTON RIDGE-HYATT HILL-BALD RIDGE AREA ALONG STRINGTOWN GULCH AND BEAR GULCH, 5.2 MILES SE OF CRYSTAL MOUNTAIN. ELEV AND LAT-LONG GIVEN ARE FOR APPROX COMMON SECTION CORNER. ; INFO FROM LAND.ST :(1980)
Comment (Deposit): UNZONED PEGMATITE
Comment (Workings): SMALL OPEN CUTS
References
Reference (Deposit): THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
Reference (Deposit): MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BERING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.
Reference (Deposit): COLORADO DIV. MINES INF. REPT.
Colorado Mining Photos
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