1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Powderhorn

Prospect in Gunnison county in Colorado, United States with commodities Titanium, REE
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10288402
MAS/MILS ID 0080510277
Record type Site
Current site name Powderhorn
Alternate or previous names Cebolla Creek
Related records 10101899, 10191308

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -107.02252, 38.2611 (WGS84)
Elevation 2706
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Gunnison(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Powderhorn(quadrangle 1:24,000 scale)

Montrose(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Gunnison

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 046 N 001+W 12 N2 Colorado

Commodities

Commodity Importance
Titanium Critical Primary
REE Critical Secondary

Materials information

Materials Type of material
Ankerite Unknown
Apatite Unknown
Augite Unknown
Biotite Unknown
Ilmenite Unknown
Magnetite Unknown
Orthoclase Unknown
Perovskite Unknown
Sphene Unknown

Nearby scientific data

Ore Body (1) -107.02252, 38.2611
ListMap

Economic information

Ore body information

  • Thickness 180M
    Length 4300M
    Width 600M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820803

Comments on the geologic information

  • DEPTH OF DEPOSIT NOT KNOWN - DRILL HOLES BOTTOM OUT IN ORE. PEROVSKITE MINERALIZATION OCCURS AS AN IRREGULAR CONCENTRATIONS IN THE PYROXENITES.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1943
Mining method Open Pit
Milling method Magnetic And Electrostatic

Mining district

District name White Earth

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Reunion Energy Co.
    Interest 100
    Home office 2801 Post Oak Blvd, Houston, Tx 77066
    Year 1994
    Last year 1994
  • Type Owner
    Owner Teck Resources Inc
    Interest 100
    Home office Colorado
    Year 1994
    First year 1994

Comments on the ownership information

  • REUNION ENERGY FORMERLY NAMED BUTTES RESOURCES INC.

Comments on the production information

  • RARE EARTH OXIDE GRADE FOR PRODUCT PC IS WEIGHED AVERAGE OF CE GROUP
  • RECOVERY IN CONCENTRATOR EQUAL TO 33 1/3% - MORE PRECISE RECOVERY RATE USED TO CALCULATE CONCENTRATE QUANTITY AND GRADE. THOMPSON LISTS THE FOLLOWING RARE EARTHS RECOVERED AND THEIR PROPORTION OF THE TOTAL AMOUNT RECOVERED BY WEIGHT %. FROM POWDERHORN CHEM. PLANT STUDY VOL 2, P. III-6. HIGH PURITY OXIDES: WT % CERIUM 60.10, LANTHANUM 26.89, EUROPIUM 0.35, YTTRIUM 0.87, SAMARIUM 2.07, NEODYMIUM 3.49, PRASEODYMIUM 4.17, GADOLINIUM 1.72, DYSPOROSIUM 0.34, TOTAL R.E. 100.00

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Measured 88000000mt ore
    Indicated 158000000mt ore
    Demonstrated 246000000mt ore
    Inferred 133000000mt ore
    Total resources 379000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Titanium TiO2 12 wt-pct Titanium Trace 1976
  • Type In-situ
    Estimate year 1994
    Indicated 450000000mt ore
    Demonstrated 450000000mt ore
    Total resources 450000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Titanium TiO2 11.5 wt-pct Titanium Trace 1994

Comments on the reserve resource information

  • PROPERTY IS PRESENTLY OPTIONED AS OF 1994 BY TECK CORPORATION. TECK MAY ACQUIRE 70% INTEREST UYPON ARRANGING TO PLACE THE PROPERTY INTO PRODUCTION. (TECK CORP. 1993 ANN. REPT. P. 19.) PROPERTY UPDATED NOV 1987.

Workings at the site

  • Type of workings Surface
    Area 280HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Percent Waste Rock 13
    Avg. Overburden Thickness 1
    Primary Material Cover M-HARD ROCKS
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 40
    Capacity 13988
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 1.62
    Units of Production $/MT ORE
    Operating Days per Year 284
    Operating Shifts per Day 3
    Year of Information 1981

Comments on other economic factors

  • THOMPSON, JAMES V. POWDERHOWN TITANIUM PROJECT, MINING AND CONCENTRATING PEROVSKITE, KAISER ENGINEERS REPORT FOR BUTTES GAS AND OIL COMPANY, NOV 1981, 83 PP.
  • MINE TO MILL TRANSPORTATION INCLUDED IN MINE OPERATING COST PRODUCTS PB + PC SOLD F.O.B. CHEMICAL PLANT.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-96 Hite, Alan G. U.S. Bureau of Mines
Updater 13-DEC-10 Causey, J. Douglas U.S. Geological Survey Minor corrections.

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.