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Dawson Mountain-Surprise Group

Past Producer in Fremont county in Colorado, United States with commodities Copper, Silver, Gold
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10013374
MRDS ID D009634
Record type Site
Current site name Dawson Mountain-Surprise Group
Alternate or previous names Copper Boy 1902, Unpatented Claims: Sam 1-15 1977 Part

Geographic coordinates

Geographic coordinates: -105.29613, 38.3889 (WGS84)
Elevation 2134
Relative position 4.6 MILES S 45 W OF CANON CITY POST OFFICE

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Royal Gorge(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 019S 071W 14 SE Colorado

Comments on the location information

  • APPROXIMATELY 5 MILES SW OF CANON CITY ON TEMPLE CANYON ROAD, THEN 1 MILE SW ON JEEP ROAD TO OLD COPPER BOY PROSPECTS ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Gold Ore
Malachite Ore
Silver Ore
Biotite Gangue
Magnetite Gangue
Quartz Gangue

Analytical data

Result CU (0.37-0.76%), AG (0.4-0.6 OZ/TON), AU (0.02-0.03 OZ/TON), ZN (0.03-0.14%)

Mineral occurrence model information

Model code 271
USGS model code Unassigned
Deposit model name Stratabound Precambrian sulfide, Colorado and Wyoming

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granodiorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granodiorite
    Rock description Granodiorite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Migmatitic Gneiss
    Rock description Migmatitic Gneiss
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -105.29613, 38.3889
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type of structure Local
Structure description Shear Zone (Gossan); Main Fault Strikes N 75 E, Dips 60-85 Se; Webster Park Graben; Ilse Fault

Ore body information

  • Length 158.5M

Controls for ore emplacement

  • Faults, Fault Intersections; Shear Zones

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1902
Year of first production 1902
Year of last production 1902

Mining district

District name Grape Creek Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Pacific Coast Mines (Sam Claims-
    Last year 1977

Production statistics

  • Year 1902
    Ore mined 442.89mt
    Accuracy Accurate
    Description Ap_Grade: ^2.90% Cu, 0.77 Oz/Ton Ag, 0.05 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Gold Gold 2g/mt
    Minor Ore Silver Silver 26g/mt
    Major Ore Copper Copper 3wt-pct

Comments on the production information

  • PRODUCTION FROM COPPER BOY CLAIMS

Workings at the site

  • Type of workings Unknown
    Length 60.96M
    Overall depth 9.14M

Comments on the workings information

  • 3 PITS, 3 INACCESSIBLE ADITS; PIT 1 IS 8 X 10 X 7 FT DEEP, PIT 2 IS GLORY HOLE 29 FT DIAMETER, 12 FT DEEP; PIT 3 IS SMALL PROSPECT; MASSIVE DUMP SURROUNDS PIT 2. ADIT 1 DRIFTS N 78 W; ADIT 2 DRIFTS N 75 E; ADIT 3 DRIFTS N 40 E FOR 45 FT, WITH 100-FT WINZE

Reference information

Comments on the other database information

  • RECORD NUMBER 25 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT ON SHEAR ZONE 520 FT LONG, ALONG STRIKE; HIGHLY OXIDIZED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 Collins, Donna B. Colorado 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.