The Drew Hill Prospect is a beryllium mine located in Jefferson county, Colorado at an elevation of 7,940 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: 7,940 Feet (2,420 Meters)
Commodity: Beryllium
Lat, Long: 39.82778, -105.31417
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.
Drew Hill Prospect MRDS details
Site Name
Primary: Drew Hill Prospect
Secondary: Drew Hill Pegmatites Nos. 1 and 2
Commodity
Primary: Beryllium
Tertiary: Mica
Tertiary: Feldspar
Location
State: Colorado
County: Jefferson
District: Clear Creek Pegmatite Province
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: Occurrence
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
Form: TABULAR
Structure
Type: R
Description: Front Range Uplift, Denver Basin
Type: L
Description: Hurricane Hill Fault System, Unnamed Syncline
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Muscovite
Ore: Chrysoberyl
Gangue: Tourmaline
Comments
Comment (Deposit): HANLEY AND OTHERS' DESCRIPTION GIVES TREND AS N 70 E, 63 NW, BUT ALL PEGMATITES IN SEC. 34 HAVE NW TREND. NE-TRENDING PEGMATITES MAPPED IN SECS. 02, 03, 10, AND 11, T 35, R 71 W
Comment (Workings): SHALLOW 10-FT-DIAM PIT
Comment (Location): ALONG DREW HILL ROAD ; INFO FROM LAND.ST :(1975)
Comment (Development): SOME MINERAL SPECIMENS RECOVERED
References
Reference (Deposit): USGS COMMODITY FILE, GP III, REEL 31, DOCKET 9933; GP III, REEL 40, DOCKET 12738; GP III, REEL 12, DOCKET 2701, 1946 (FROM ORIGINAL CRIB RECORD)
Reference (Deposit): HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 85
Reference (Deposit): SHERIDAN, D.M., AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520 (INCL. GEOLOGIC MAP OF RALSTON BUTTES QUAD).
Colorado Mining Photos
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