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Spar

Prospect in Jackson county in Colorado, United States with commodity Fluorine-Fluorite
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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. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10239741
MAS/MILS ID 0080570197
Record type Site
Current site name Spar
Alternate or previous names Geo Surveys Prospect

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -106.6053, 40.70458 (WGS84)
Elevation 3080
Location accuracy 10(meters)
Relative position Prospect pits visible on Google Earth imagery. Also compare with fig. 26, samples 238 and 237, in Neubert's MLA 13-94.

Site location context

Political divisions (FIPS codes)

Jackson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pitchpine Mountain(quadrangle 1:24,000 scale)

Walden(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Platte Headwaters(hydrologic unit)

North Platte(hydrologic accounting unit)

North Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Medicine Bow-Routt National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Jackson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 009 N 082 W 34 W2 SW SW Colorado

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Chalcedony Unknown
Fluorite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -106.6053, 40.70458
ListMap

Economic information

Ore body information

  • Thickness 12M
    Length 430M
    Width 91M
    Area 15HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 15
    Date of Last Modification 820915

Comments on the geologic information

  • MINERALIZATION ASSOCIATED WITH FRACTURES AND FAULTS WITHIN PRECAMBRIAN QUARTZ MONZONITE.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Both
Significant No
Discovery year 1971
Mining method Shrinkage Methods - Overhand Shrinkage
Milling method Flotation

Mining district

District name Crystal

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Geosurvey, Inc.
    Interest 100
    Home office 415 MINING EXCHANGE BUILDING,\nCOLORADO SPRINGS, COLORADO 80902.
    Year 1977

Comments on the ownership information

  • GEOSURVEYS ADDRESS: 415 MINING EXCHANGE BUILDING, COLORADO SPRINGS, COLORADO 80902.

Comments on the production information

  • PA IS CONCENTRATE PRODUCED FORM SURFACE MINE. PB IS CONCENTRATE PRODUCED FROM UNDERGROUND MINE. FLUORSPAR CONCENTRATE PRODUCED (CAF2) IS ACID GRADE.

Workings at the site

  • Type of workings Surface
    Area 3HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method QUARRY
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 9
    Max. Pit Slope (degrees) 90
    Capacity 286
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 8.3
    Units of Production $/MT ORE
    Operating Days per Year 200
    Operating Shifts per Day 1
    Year of Information 1982
  • Type of workings Underground
    Length 4600M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OVERHAND SHRINKAGE 10-67
    Percent Waste Rock 0
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Avg. Length of Adits (m) 1189
    Number of Adits 1
    Capacity 363
    Capacity Units MT ORE/DAY
    Unit Production Cost 25.88
    Units of Production $/MT ORE
    Operating Days per Year 262
    Operating Shifts per Day 2
    Year of Information 1982

Reference information

Bibliographic references

  • Deposit

    ALMOST ALL DATA IN THIS DATA BASE TAKEN FROM GEOLOGIC REPORT OF THE SPAR CLAIM GROUP, JACKSON COUNTY WRITTEN BY A.W. TIPTON FOR GEOSURVEYS, INC. OF COLORADO SPRINGS, COLORADO. DATE OF REPORT DECEMBER 1972. (ON FILE AT USBM-MAS, IFOC, DENVER COLORADO.)

  • Deposit

    Neubert, J.W., and Dersch, J.S., 1994, Mineral appraisal of the Routt National Forest, Colorado: USBM MLA 13-94, 64 p, 6 appendices.

Comments on the references

  • ALMOST ALL DATA IN THIS DATA BASE TAKEN FROM GEOLOGIC REPORT OF THE SPAR CLAIM GROUP, JACKSON COUNTY WRITTEN BY A.W. TIPTON FOR GEOSURVEYS, INC. OF COLORADO SPRINGS, COLORADO. DATE OF REPORT DECEMBER 1972. (ON FILE AT USBM-MAS, IFOC, DENVER COLORADO.)

General comments

Subject category Comment text
Deposit GEOMETRY OF 3 VEINS ARE AS FOLLOWS: VEIN 1 -STRIKES N 84 DEG W FOR 503 M, AV WIDTH - 4.3 M ; VEIN 2 - STRIKES N 40 DEG E FOR 152 M, AV WIDTH - 4.5 M; VEIN 7 - STRIKES N 70 W FOR 625 M, AV WIDTH 2.9 M. ALL VEINS ARE ASSUME TO BE VERTICAL AND TO BE MINERALIZED TO 91 M (BELOW SURFACE). THEY COULD POSSIBLY BE MINERALIZED TO 182 M DEPTH BELOW SURFACE, THUS DOUBLING RESERVES.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-MAR-95 Hite, Alan G. U.S. Bureau of Mines
Updater 20-JUN-11 Wilson, Anna B U.S. Geological Survey Confirmed and clarified record.

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.