The Chaney-Sims Beryl Prospects is a beryllium, mica, and feldspar mine located in Larimer county, Colorado at an elevation of 7,598 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: 7,598 Feet (2,316 Meters)
Commodity: Beryllium, Mica, Feldspar
Lat, Long: 40.69361, -105.62889
Map: View on Google Maps
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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.
Chaney-Sims Beryl Prospects MRDS details
Site Name
Primary: Chaney-Sims Beryl Prospects
Commodity
Primary: Beryllium
Primary: Mica
Primary: Feldspar
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
Operation Type: Unknown
Discovery Year: 1935
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: LENTICULAR
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
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Beryl
Ore: Muscovite
Gangue: Plagioclase
Gangue: Quartz
Comments
Comment (Location): SOUTH OF CACHE LA POUDRE RIVER ON NORTH VALLEY WALL OF SHEEP CREEK NEAR RUGH RANCH. ELEV AND LAT-LONG GIVEN ARE FOR RUGH RANCH (NE SEC. 01). ; INFO FROM LAND.ST :(1980)
Comment (Deposit): UNZONED PEGMATITE TRENDS N 5 E, VERTICAL, AND LIES PARALLEL TO FOLIATION. TWO SMALL 3-TO 5-FT-WIDE BRANCHES SEPARATED FROM MAIN BODY BY 5 TO 6 FT OF GNEISS. BERYL CONCENTRATED NEAR PATCHES OF MASSIVE QUARTZ.
Comment (Workings): SMALL DISCOVERY SHAFT OF UNKNOWN DEPTH
References
Reference (Deposit): HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 104
Colorado Mining Photos
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