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  3. Mineral Resource Data System (MRDS)

Iron Cap Prospect

Occurrence in Alaska, United States with commodities Copper, Iron, 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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10000087
MRDS ID A010105
Record type Site
Current site name Iron Cap Prospect
Alternate or previous names Iron Crown

Geographic coordinates

Geographic coordinates: -132.39209, 55.64834 (WGS84)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Craig C-2(quadrangle 1:63,360 scale)

Craig NE(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Prince of Wales(hydrologic unit)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass 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

  • NEAR TOLSTOL MOUNTAIN LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Iron Secondary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Gold Ore
Magnetite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Quartz Gangue

Analytical data

Result 39.9% TO 63.9% FE
Result 0.24% TO 1.88% CU
Result 0.4 TO 0.6 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -132.39209, 55.64834
ListMap

Economic information

Ore body information

  • Length 609.6M
    Width 152.4M

Controls for ore emplacement

  • Mineralization At Contact Of Intrusive And Metamorphic Rocks

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • SEVERAL HUNDRED FEET OF DIAMOND DRILLING AS WELL AS ADITS & TRENCHES

Reference information

Comments on the other database information

  • RECORD NUMBER W062098 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

General comments

Subject category Comment text
Deposit SMALL MAGNETITE BODIES IN CONTACT ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1983 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey
Editor 12-APR-1994 Mosier, Dan 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 Alaska resources

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