St. Louis Mine

Past Producer in Boulder county in Colorado, United States with commodity Gold
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Reporter information

Geologic information

Identification information

Deposit ID 10141975
MAS/MILS ID 0080130017
Record type Site
Current site name St. Louis Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.52059, 39.65999 (WGS84)
Elevation 340
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Clear Creek(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Idaho Springs(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Mount Evans Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Boulder

Commodities

Commodity Importance
Gold Tertiary

Materials information

Materials Type of material
Galena Unknown
Gold Unknown
Pyrite Unknown
Quartz Unknown
Siderite Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -105.52059, 39.65999

Economic information

Ore body information

  • Area 1HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 OTHER
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Total Surface Area (HA) 1
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1870

Mining district

District name Grand Island Area

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Private Lease

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner George B. Hilding
    Home office Colorado
    Year 1974
  • Type Owner
    Owner John Bottom
    Home office Colorado
    Year 1974

Workings at the site

  • Type of workings Underground
    Length 160M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OTHER OPEN STOPE METHODS
    Swell Factor .3
    Percent Waste Rock 16
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING WHEN DRY
    Mine Support Chars. CHEMICAL COATING
    Avg. Length of Adits (m) 100
    1st Condition of Workings NO MINE ENTRY
    Capacity Units MT ORE/DAY
    Unit Production Cost 10000
    Units of Production $/MT ORE
    Year of Information 1905

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Unknown U.S. Bureau of Mines

Beyond USGS

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

Authoritative Colorado resources

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