The Swan Lake Gulch Proposed Mine is a phosphorus-phosphates mine located in Caribou county, Idaho at an elevation of 7,700 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: 7,700 Feet (2,347 Meters)
Commodity: Phosphorus-Phosphates
Lat, Long: 42.63, -111.41030
Map: View on Google Maps
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Swan Lake Gulch Proposed Mine MRDS details
Site Name
Primary: Swan Lake Gulch Proposed Mine
Commodity
Primary: Phosphorus-Phosphates
Tertiary: Vanadium
Tertiary: REE
Tertiary: Fluorine-Fluorite
Tertiary: Uranium
Location
State: Idaho
County: Caribou
District: Trail Creek
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
Holdings
Type: Federal Lease
Workings
Not available
Ownership
Owner Name: U.S. Forest Service
Percent: 100.0
Info Year: 1978
Owner Name: Alumet Group
Percent: 100.0
Info Year: 1978
Years: 1975 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Discovery Method: Other
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Aspen Range
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Form: TABULAR
Form: IRREGULAR
Structure
Type: R
Description: Trail Creek Syncline
Type: L
Description: Faults, Folds
Alterations
Not available
Rocks
Name: Shale
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Analytical Data: RANDOM FLOAT SAMPLES AVG. 31.9 % P2O5
Analytical Data: SAMPLES FROM SECTION 17 AVG. 32 % P2O5
Analytical Data: RANDOM SAMPLES SECTION 29 RANGED 28 - 33.7 % P2O5
Materials
Unknown: Calcite
Unknown: Collophane
Unknown: Dolomite
Unknown: Feldspar
Unknown: Limonite
Unknown: Muscovite
Unknown: Quartz
Unknown: Sericite
Comments
Comment (Deposit): 161.6 Ft Thickness Phosphatic Shale Member ( Section 29 ); Thickness Above For 2 Ore Zones
Comment (Development): Swan Lake Gulch Proposed Mine On 1320 Acres ; Econ.Com: Average Stripping Ratio Would Be 7.4 : 1 (Cy Overburden: Cy Ore)
Comment (Workings): 2 Open Mine Pits Proposed With 45 Deg Slopes; E Pit Will Be 6000 Ft Long, 3400 Ft Wide, 350 Ft Deep; W Pit 4600 Ft Long, 1800 Ft Wide, 400 Ft Deep
Comment (Reserve-Resource): Item 1 Est. For Swan Lake Gulch Proposed Mine; Item 2 Est. For T 9 S, R 43 E In General
Comment (Location): Swan Lake Gulch Proposed Mine Includes Sections 15 , 22 , 27 ; Plotted In Section 22 ; Sections 17 , 29 Not In Proposed Mine But Are Included In This Deposit
Comment (Production): Production Scheduled To Begin In 2004 And End In 2028 ( USGS, 1975 )
Comment (Deposit): Deposit Also Located In Secs 15 And 27. EIS Project Involves Federal Phosphate Leases I-014958(400 Acres) And I-016079 (40 Acres). Deposit Not Scheduled For Production Before The Year 2000
Comment (Development): Minesite Is On The South End Of The Trail Creek Synccine Meade Peak Is 201 Ft Thick, Lower And Upper Ore Zones Total 59 Ft Thick-According To Eis Ore Will Be Mined In 2 Open Pits. East Pit Will Be 6000 Ft Long, 3400 Ft Wide, 350 Ft Deep. West Pit Will Be 4600 Ft Long, 1800 Ft Wide, 400 Ft Deep.
Comment (Ownership): Alumet Group Is Composed Of Earth Sciences Inc, National Steel Corp., And South Wire Company.
Comment (Workings): Minesite Will Have A High Aesthetic Impact, Much Of The Site Is In The Huckleberry Basin Roadless Area. 699 Acres Will Be Disturbed:300 For Pits, 234 For Dumps, 165 For Surface Facilities. 160 Men Will Be Employed.
References
Reference (Deposit): Mc Kelvey, V. E., And Others, 1953 , Stratigraphic Sections Of The Phosphoria Formation In Idaho, 1947 - 1948 , Part 1 : USGS Circ. 208 , 49 P.
Reference (Deposit): Powell, J. D., 1974 , Evaluation Of Phosphate Resources In Southeastern Idaho: Idaho Bureau Of Mines And Geology Inf. Circ. 25 , 33 P.
Reference (Deposit): USGS, 1975 , Development Of Phosphate Resources In Southeastern Idaho: Draft Environmental Impact Statement, V. 2 , Pt. 4.2 , P. 46 - 73
Reference (Deposit): Mansfield, G. R., 1927 , Geography, Geology, And Mineral Resources Of Part Of Southeastern Idaho: USGS Prof. Paper 152 , 453 P.
Reference (Deposit): Garrand, Leonard, 1975, Phosphate Study Southeastern Idaho For Us Forest Service
Reference (Deposit): Service, A.L., 1966, An Evaluation Of The Western Phosphate Industry And Its Resources, Part 3 Idaho, Us Bureau Of Mines Ri 6801
Reference (Reserve-Resource): Phosphate Resources In Southeastern Idaho,. USGS, Blm, U.S. Forest Service, 1977
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