Carrot Ridge Area Phosphate Deposit

The Carrot Ridge Area Phosphate Deposit is a phosphorus-phosphates mine located in Clark county, Idaho at an elevation of 8,100 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: Carrot Ridge Area Phosphate Deposit  

State:  Idaho

County:  Clark

Elevation: 8,100 Feet (2,469 Meters)

Commodity: Phosphorus-Phosphates

Lat, Long: 44.5308, -111.64530

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 Carrot Ridge Area Phosphate Deposit

Carrot Ridge Area Phosphate Deposit MRDS details

Site Name

Primary: Carrot Ridge Area Phosphate Deposit
Secondary: Area No. 1 Phosphate Deposit


Commodity

Primary: Phosphorus-Phosphates
Tertiary: Fluorine-Fluorite
Tertiary: Uranium
Tertiary: Vanadium


Location

State: Idaho
County: Clark
District: Island Park Area


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.
Administrative Organization: Targhee National Forest


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Bannock Chemical Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Centennial Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENS

Form: TABULAR


Structure

Type: L
Description: Minor Faults, Including The Carrot Springs Fault And Surficial Bedding-Plane Faults


Alterations

Not available


Rocks

Name: Limestone
Role: Associated
Age Type: Host Rock
Age Young: Late Permian


Analytical Data

Analytical Data: B, SUB-MEMBER IS ACID-GRADE (HIGH-GRADE)
Analytical Data: A 3.5 FT SAMPLE FROM BY SUB-MEMBER AVG. 30.2% P2O5
Analytical Data: MINOR VANADIUM AND 1 PART FLUORINE/10 PARTS P2O5
Analytical Data: A 0.9 FT SAMPLE FROM B3 SUB-MEMBER AVG. 17.0% P2O5


Materials

Gangue: Quartz
Gangue: Glauconite
Unknown: Collophane


Comments

Comment (Workings): 16 Bulldozer Trenches, Numerous Drill Holes

Comment (Reserve-Resource): 4 Blocks Show Open-Pit Ore Reserves; Reserves Calculated By Using Structure Contours, Isochores, A Specific Gravity of 2.88 For the Phosphate Rock, A 3.9 Ft Ave. Thickness of Acid-Grade Phosphate Rock, and Areas As Determined By Structure Contour and Isochore Maps

Comment (Location): Along Carrot Ridge, Location Approximate

Comment (Geology): 5 Lithologic Members, A, B, C, D, and E, In the Phosphoria Formation

Comment (Deposit): Thickness Above For Entire B-Member; the Acid-Grade B, Sub-Member Ave. 3.9 Ft Thick; Depth To Bottom Above Refers To Economic Mining Depth In 1955

Comment (Development): Econ.Com: Jemmett Says This Area Has 4 Mining Blocks With Important Open-Pit Potential


References

Reference (Deposit): Jemmett, J. P., 1955, Geology Of Some Of The Phosphate Deposits In The Centennial Mountains Of Idaho And Montana: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 67 P.

Reference (Deposit): Honkala, F. S., 1953, Preliminary Report On Geology Of The Centennial Range, Montana - Idaho, Phosphate Deposits: USGS Open-File Rept., 19 P.

Reference (Deposit): Griner, W. C., 1974, Seventy-First Annual Report Of The Mining Industry Of Idaho For 1973-1974, 98 P

Reference (Deposit): 1953 Geolmap F. S. Honkala, Open-File Report

Reference (Deposit): 1974 Compile State Mine Inspector'S Report For 1973-1974


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