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St Peters Dome Fluorite

Prospect in El Paso county in Colorado, United States with commodities Fluorine-Fluorite, Gold, Lead, Silica, Silver, Zinc
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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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10166857
MRDS ID D001831
MAS/MILS ID 0080410314
Record type Site
Current site name St Peters Dome Fluorite
Alternate or previous names Cather Springs, Colorado, Timberline, Hughes Boss, Duffields, Leyte, Mattie B
Related records 10009142

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -104.90996, 38.72941 (WGS84)
Elevation 2627
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

El Paso(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Big Chief(quadrangle 1:24,000 scale)

Colorado Springs(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fountain(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado El Paso

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 015 S 067 W 20 Colorado

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Gold Tertiary
Lead Tertiary
Silica Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Fluorite Unknown
Galena Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -104.90996, 38.72941
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 75W
    Thickness 1.5M
    Length 1700M
    Width 150M
    Depth to top 1M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. UNKNOWN
    Strike And Dip N10E:75W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820406
  • Area 10HA
    Field Value
    Type of Orebody #1 PEGMATITE
    Primary mode of Origin MAGMATIC DIFFER
    Total Surface Area (HA) 10
    Date of Last Modification 911230

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Both
Significant Yes
Discovery year 1883
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Year of first production 1910
Milling method Flotation

Mining district

District name St Peters Dome

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Other

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Alcoa - Aluminum Co. Of America
    Interest 90
    Home office Pennsylvania
    Year 1981
  • Type Owner
    Owner Allied Chemical Corp.
    Interest 10
    Home office New Jersey
    Year 1981

Production statistics

  • Year 1910
    Description Hand Cobbed Fluorite Tonnes Conc.
  • Year 1911
    Description Hand Cobbed Fluorite 1000 Tonnes Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Fluorine-Fluorite Fluorine 1000mt
  • Year 1917
    Description Hand Cobbed Fluorite Tonnes Conc.
  • Year 1918
    Description Hand Cobbed Fluorite 6000 Tonnes Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Fluorine-Fluorite Fluorine 6000mt
  • Year 1944
    Description Flotation Acidspar And Metspar Tonnes Conc.
  • Year 1945
    Description Flotation Acidspar And Metspar 7000 Tonnes Conc.

Workings at the site

  • Type of workings Underground
    Length 0M
    Overall depth 0M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Swell Factor .65
    Percent Waste Rock 10
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 0
    Avg. Length of Adits (m) 1500
    Number of Adits 3
    Capacity 600
    Capacity Units MT ORE/DAY
    Unit Production Cost 32.02
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    PEARL, R.M., 1972, COLORADO GEM TRAILS AND MINERAL GUIDE: CHICAGO, SWALLOW PRESS, 222 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-1996 Gosling U.S. Bureau of Mines

Beyond USGS

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

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.