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

Atlantic-#691

Unknown in Gilpin county in Colorado, United States with commodity Silver
Map
XML
JSON
KML
D
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 10288598
MAS/MILS ID 0080470024
Record type Site
Current site name Atlantic-#691

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.49309, 39.82999 (WGS84)
Elevation 2774

Site location context

Political divisions (FIPS codes)

Gilpin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Black Hawk(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 002 S 072 W 31 N2NESW Colorado

Commodities

Commodity Importance
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrite Unknown

Nearby scientific data

Ore Body (1) -105.49309, 39.82999
ListMap

Economic information

Ore body information

  • Thickness 10M
    Length 70M
    Width 10M
    Area 2HA
    Depth to top 100M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Avg. Thick. Unconsol. Mat. 10
    Total Surface Area (HA) 2
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface-Underground
Commodity type Metallic
Significant No
Discovery year 1878

Mining district

District name Central City

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Fee Ownership

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Nancy Mcdonald 11908 Morrow N. E. Albuquerque N. M. 87112
    Interest 100
    Home office New Mexico
    Year 1976

Workings at the site

  • Type of workings Underground
    Length 3000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OVERHAND SQUARE-SET 10-46A
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    OWN/ PATRICK MEAGHER; REF: MAS FILE

General comments

Subject category Comment text
Deposit MINE WAS WORKED UP TO ABOUT 1935 THERE WAS EXTENSIVE EXPLORATION IN 1971-BUT NO ACTIVITY AS Y

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Intermountain Field Operations Center (IFOC) 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.