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

Baltimore-#7391

Past Producer in Gilpin county in Colorado, United States with commodities Copper, Gold, Lead, Silver
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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. Reporter information

Geologic information

Identification information

Deposit ID 10215196
MAS/MILS ID 0080470028
Record type Site
Current site name Baltimore-#7391

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.50559, 39.78638 (WGS84)
Elevation 2621

Site location context

Political divisions (FIPS codes)

Gilpin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Central City(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Gilpin

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 003 S 073 W 13 NWE2S2 Colorado

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcedony Unknown
Chalcopyrite Unknown
Malachite Unknown
Pyrite Unknown
Tennantite Unknown

Nearby scientific data

Ore Body (1) Laramide intrusive rocks
ListMap

Economic information

Ore body information

  • Strike N55E
    Dip 60N
    Area 2HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Type of Orebody #2 BRECCIA FILL
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N55E:60N
    Total Surface Area (HA) 2
    Date of Last Modification 780921

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1867

Mining district

District name Central City

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Kazel Mt. Mines
    Interest 100
    Home office 6437 Iris Court Arvada, Co 80002
    Year 1976

Workings at the site

  • Type of workings Underground
    Length 500M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method TIMBERED STOPES
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Avg. Length of Adits (m) 30
    1st Condition of Workings OPEN
    Capacity 3
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1974

Reference information

Bibliographic references

  • Deposit

    REF: MAS FILE

Reporter information

Type Date Name Affiliation Comment
Reporter 23-DEC-1996 Nettleton U.S. Bureau of Mines
Updater 20-JUN-0007 Melton, Greg U.S. Geological Survey

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.