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  3. Mineral Resource Data System (MRDS)

Jumbo Mine

Past Producer in Alaska, United States with commodities Copper, Gold, Silver, Iron, Zinc, Molybdenum
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10000129
MRDS ID A010160
Record type Site
Current site name Jumbo Mine

Geographic coordinates

Geographic coordinates: -132.62124, 55.25251 (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 B-2(quadrangle 1:63,360 scale)

Craig SE(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 HETTA INLET 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
Gold Primary
Silver Primary
Iron Tertiary
Zinc Critical Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore
Specularite Ore
Sphalerite Ore
Epidote Gangue
Garnet Gangue
Scapolite Gangue
Wollastonite Gangue

Analytical data

Result USBM SAMPLES OF MAGNETITE-CHALCOPYRITE BODY: 0.67% CU, 4.4% FE, 0.012 OZ/TON AU
Result 0.9 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -132.62124, 55.25251
ListMap

Economic information

Ore body information

  • Thickness 12.19M
    Length 42.67M
    Width 36.58M

Controls for ore emplacement

  • Ore Body At Contact

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897
Year of first production 1907
Year of last production 1919

Comments on the reserve resource information

  • RICHER ORE WAS MINED OUT 1907-1923.

Workings at the site

  • Type of workings Surface/Underground
    Area 348.042HA

Comments on development

  • PROPERTY INCLUDES 29 CLAIMS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TWO ORE BODIES. ONE IS CHALCOPYRITE (MINED); THE OTHER IS CHALCOPYRITE-MAGNETITE.

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.