Champ Lease

Site Name

Primary: Champ Lease
Secondary: Dry Valley Prospect
Secondary: Upper Dry Valley

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Commodity

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

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Location

State: Idaho
County: Caribou
District: Blackfoot River District

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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: Caribou National Forest

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Holdings

Type: Minerals Only
Type: Federal Lease

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Workings

Type: Surface

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Ownership

Owner Name: Conda Partnership
Info Year: 2008
Years: 1981 -

Owner Name: Nu-West Industries, Inc.
Percent: 100.0
Home Office: Colorado
Info Year: 1994
Years: 1992 -

Owner Name: Beker Industries, Inc.
Years: 1975 -

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Production

Not available

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Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
Mining Method: Open Pit
Milling Method: Thermal Decomposition
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

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Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Dry Valley

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Mineral Deposit Model

Not available

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Orebody

Form: IRREGULAR

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Structure

Type: R
Structure: Dry Valley Anticline

Type: R
Structure: Dry Valley Fault

Type: R
Structure: Schmid Syncline
Description: Schmid Syncline, Dry Valley Fault, Dry Valley Anticline

Type: L
Structure: Folding
Description: Small Folds

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Alterations

Not available

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Rocks

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Permian

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Analytical Data

Analytical Data: MINIMUM CUTOFF OF 15 % P2O5 FOR DEVELOPMENT

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Materials

Not available

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Comments

Comment (Workings): 2 Open Pits Proposed, Larger Being 3,100 Ft Long, 600 Ft Wide And 260 Ft Deep; Smaller Pit 850 Ft Long, 250 Ft Wide, 60 Ft Deep

Comment (Development): 321 Acre Lease ( 1975 )

Comment (Deposit): Thickness Above For 2 Ore Zones

Comment (Production): Mined Out - Abandoned. Located On Us Forest Service Lands.

Comment (Reserve-Resource): Conda Partnership Data,1984 Resources To 250 M Down Dip.Resources From Lowe,Et.Al.(1980) And Upgraded From Identified To Demonstrated. Resources From Lowe,Et.Al.(1980),Lying Between Outcrop And A Downward Vertical Projection Of Lease Boundaries. Resource Calculation Was Carried To A Downdip Depth Of 18 Meters. It Is Assumed That The Fault Zone Pit Downdip

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References

Reference (Geology): Martin, G. W., 1958, Mineralogy Of Phosphate Oolites: Economic Geology, V. 53, No. 8, December, P. 1046-1048.

Reference (Production): Rule, A. R., D. E. Kirby, And D. C. Dahlin, 1978, Recent Advances In Beneficiation Of Western Phosphates: Mining Engineering, V. 30, No. 1, P. 37-40.

Reference (Reserve-Resource): Garrand, L. J., 1975, Phosphate Study Southeastern Idaho, For U.S. Department Of Agriculture, Caribou National Forest, U.S. Department Of Agriculture Contract No. 50-820: Garrand Corp.

Reference (Reserve-Resource): U.S Geological Survey, Bureau Of Land Management, And Forest Service, 1978, Final Environmental Impact Statement/ Development Of Phosphate Resources In Southeastern Idaho, Four Volumes.

Reference (Deposit): Cressman, E. R., And Gulbrandsen, R. A., 1955, Geology Of The Dry Valley Quadrangle, Idaho: U.S. Geological Survey Bulletin 1015-I.

Reference (Deposit): Day, R. L., 1973, Trends In The Phosphate Industry Of Idaho And The Western Phosphate Field: Idaho Bureau Of Mines And Geology, Pamphlet 155, 63 P.

Reference (Deposit): Mc Divitt, J. F., 1956, Economic Evaluation Of Phosphate And Other Minerals In Southern Idaho: Idaho Bureau Of Mines And Geology, Pamphlet No. 111, 48 P.

Reference (Deposit): Powell, J. D., 1974, Evaluation Of Phosphate Resources In Southeastern Idaho: Idaho Bureau Of Mines And Geology, Information Circular No. 25, 33 P.

Reference (Deposit): Smedley, D., Personal Communication-Representative For Conda Partnership (General Mine Information) Conda Partnership, 1984.

Reference (Geology): Mc Kelvey, V. E., Davidson, D. F., O'Malley, F. W., Smith, L. E., Armstrong, F. C., And Sheldon, R. P., 1952, Stratigraphic Sections Of The Phosphoria Formation In Idaho, 1947-48, Pt. 1: U.S. Geological Survey Trace Elements Investigations Report 183, P. 18-28.

Reference (Geology): Mc Kelvey, V. E., Armstrong, F. C., Gulbrandsen, R. A., And Campbell, R. M., 1953, Stratigraphic Sections Of The Phosphoria Formation In Idaho, 1947-48, Pt. 2, U.S. Geological Survey, Circular 301, P. 38-43.

Reference (Deposit): Thompson, M. E., 1953, Distribution Of Uranium In Rich Phosphate Beds Of The Phosphoria Formation: U.S. Geological Survey Bulletin 988-D, P. 45-65

Reference (Deposit): Thompson, M.E ., 1954, Further Studies Of The Distribution Of Uranium In Rich Phosphate Beds Of The Phosphoria Formation: U.S. Geological Survey Bulletin 1009-D, P. 107-122

Reference (Deposit): Carter, Russell A., 1978, An Integrated Industry - Phosphate Mining And Milling In Idaho: Mining Engineering, V. 30, No. 1, P. 29-36.

Reference (Deposit): Li, Ta M., 1978, Southeastern Idaho Phosphate Mining: How An Environmental Impact Statement Distorts Growth Plans: Mining Engineering, V. 30, No. 1, P. 25-28.

Reference (Deposit): Gosling, B. B. Western Phosphate Field-Southeastern Idaho Active Mines, U.S. Dep. Interior, Bumines Mas File Report, 1980, 150 Pp.

Reference (Deposit): Hagins, F., Personal Communication-General Phosphate Resource And Royaty Information, U.S. Bureau Of Land Management, 1984.

Reference (Deposit): Lowe, N.T., Benjamin, D.A. Camm T.W., Gosling, B.B., And Gale, G.D., Western Phosphate Field-Southern Idaho Proposed Mines, U.S. Dep. Interior, Bumines Mas File Report, 1980, 238 Pp.

Reference (Geology): Campbell, 1953, Stratigraphic Sections Of Phosphoria Formation In Idaho, 1947-48, Part Ii: U.S. Geological Survey Trace Elements Investigations Report 187, P. 46-51.

Reference (Geology): Mc Kelvey, V. E., Davidson, D. F., O'Malley, F. W., And Smith, L. E., 1953, Stratigraphic Sections Of The Phosphoria Formation In Idaho 1947-48, Pt. 1: U.S. Geological Survey Circular 208, P. 14-24.

Reference (Deposit): Service, A. L., And Petersen, N. S., 1967, An Evaluation Of The Western Phosphate Industry And Its Resources (In Five Parts) Trends And Outlook: U.S. Bureau Of Mines, Report Of Investigations 6935, 131 P.

Reference (Deposit): Service, A. L. And Popoff, C. C., 1964, An Evaluation Of The Western Phosphate Industry And Its Resources (In Five Parts), 1. Introduction Review: U.S. Bureau Of Mines, Report Of Investigations 6485, 86 P.

Reference (Deposit): U.S. Bureau Of Land Management. Environmental Assessment Plan Of The Champ Mine Lease No. I-04979, Report Number 08/82-01 P, 35 Pp.

Reference (Deposit): Mckelvey, V.E., The Phosphoria, Park City, And Shedhorn Formations In The Western Phosphate Field. U.S. Geological Survey Prof. Paper 313-A, 1959, 47 Pp.

Reference (Deposit): Steckley, R.C. And Lemmons, J.F., A Method For Evaluating Cost Estimates For The Mineral Availability System, U.S. Bumines Mas File Report, 1976, 41 Pp.

Reference (Geology): Shelton, R. P., Warner, M. A., Thompson, M. E., And Pierce, H. W., 1953, Stratigraphic Sections Of The Phosphoria Formation In Idaho, 1949, Pt. 1: U.S. Geological Survey Circular 304, P. 9-13.

Reference (Geology): Sheldon, R. P., Warner, M. A., Thompson, M. E., And Pierce, Formation In Idaho, 1949, Part I: U.S. Geological Survey Trace Elements Investigations Report 364, P. 15-19.

Reference (Geology): Emigh, G. D., 1958, Petrography, Mineralogy And Origin Of Phosphate Pellets In The Phosphoria Formation: Idaho Bureau Of Mines And Geology, Pamphlet No. 114, 60 P.

Reference (Deposit): Mansfield, G. R., 1927 , Geography, Geology, And Mineral Resources Of Part Of Southeastern Idaho: USGS Prof. Paper 152 , 453 P.

Reference (Deposit): Service, A. L., 1966, An Evaluation Of The Western Phosphate Industry And Its Resources (In Five Parts), 3. Idaho: U.S. Bureau Of Mines, Report Of Investigations 6801, 201 P.

Reference (Deposit): USGS, 1975 , Development Of Phosphate Resources In Southeastern Idaho: Draft Environmental Impact Statement, V. 2 , Pt. 5.2 , P. 38 - 63

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