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  3. Mineral Resource Data System (MRDS)

Horrible Mine

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

Geologic information

Identification information

Deposit ID 10001336
MRDS ID A012076
Record type Site
Current site name Horrible Mine
Alternate or previous names Portland-Alaska Gold Mining Co.
Related records 10161091

Geographic coordinates

Geographic coordinates: -135.09345, 58.86864 (WGS84)

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau D-4(quadrangle 1:63,360 scale)

Juneau NW(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lynn Canal(hydrologic unit)

Northern 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

  • LOCATION IS PRINTED ON JUNEAU D-4 QUAD., 1:63360 TO POGRAPHIC SERIES 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

Comments on the commodity information

  • SPARSE PYRITE IS ONLY VISIBLE SULFID

Alteration

  • (Local) Chloritization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Jualin Diorite
    Rock description Jualin Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -135.09345, 58.86864
ListMap

Economic information

Ore body information

  • Strike N
    Dip E STEEP

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1896
Year of first production 1897
Year of last production 1901

Mining district

District name Juneau/Berners Bay

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 195.07M

Comments on the workings information

  • DEVELOPED BY AT LEAST 400 FT IN TUNNELS, 240 FT OF DRIFTS AND ONE OR MORE STOPES; 10-STAMP MILL

Comments on development

  • 5 CLAIMS LOCATED IN 1896; MINED 1897-1898 AND IN 1901

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PYRITE-BEARING QUARTZ FISSURE VEIN; GURIFEROUS; AVERAGE THICKNESS 5 FT, RANGES FROM .1-10 FT THICK; WELL DEFINED WALLS
Deposit SEE ALSO: IVANHOE MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (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.