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

Colorado

Occurrence in Alaska, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10000315
MRDS ID A010365
Record type Site
Current site name Colorado
Related records 10185783

Geographic coordinates

Geographic coordinates: -149.55871, 60.65203 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Kenai Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward C-7(quadrangle 1:63,360 scale)

Seward NW(quadrangle 1:100,000 scale)

Seward(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Kenai Peninsula(hydrologic unit)

Kenai Peninsula(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Chugach National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result 2 FIVE FOOT CHIP SAMPLES, EACH ACROSS 5 FEET GAVE 0.05 AND 0.01 OZ/TON AU AND 0.2 OZ TON AG TWICE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Valdez Group
    Rock description Valdez Group

Nearby scientific data

(1) -149.55871, 60.65203
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Slate Cleavage Parallels On Dike

Ore body information

  • Thickness 1.83M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Hope District

Land status

Ownership category National Forest

Comments on the workings information

  • OPEN CUTS AND A SHORT TUNNEL

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FRACTURED FELSIC DIKE IS RECEMENTED BY QUARTZ STRINGERS, WHICH NOW COMPRISE 20% OF VOLUME OF DIKE. DIKE IS 5-6 FT WIDE. SOME SULFIDES IN DIKE AS WELL AS IN STRINGERS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative Alaska resources

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