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Ebba Gold-Silver-Nickel-Copper Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Nickel, Copper
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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. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10002396
MRDS ID A013314
Record type Site
Current site name Ebba Gold-Silver-Nickel-Copper Prospect
Alternate or previous names Ebba #4 Claim
Related records 10112427

Geographic coordinates

Geographic coordinates: -134.2278, 57.66391 (WGS84)
Elevation 91
Relative position 0.8 MI. E OF MOUTH OF HASSELBORG CREEK, AT S END OF HASSELBOURG LAKE.

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka C-1(quadrangle 1:63,360 scale)

Sitka NE(quadrangle 1:100,000 scale)

Sitka(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Admiralty Island(hydrologic unit)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Admiralty Island National Monument(National Monument)

National Monument FS(Type of land area)

FS(Federal land areas administered by FS)

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Kootznoowoo Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS GC-8, FIG. 3, LOC. 1; USGS MF-467, LOC. 68 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
Nickel Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrrhotite Ore

Analytical data

Result GABBRO FLOAT SAMPLE-0.02 OZ/TON AU, 1.18 OZ/TON AG, 0.16% NI, 0.03% CU-ADGGS GC 8, P.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -134.2278, 57.66391
ListMap

Economic information

Comments on the geologic information

  • CRET GABBRO IN PERM (?) CHERT COUNTRY ROCK

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Admiralty

Land status

Ownership category National Forest

Comments on the workings information

  • PROSPECT PIT MENTIONED BUT NOT FOUND BY ADGGS GC 8, P. 9

Comments on development

  • 2 CLAIMS STAKED IN 1959 BY DEAN GOODWIND. NO MENTION OF PRODUCTION OR DEVELOPMENT. SAMPLED IN 1966 BY RACE AND ROSE FOR ADGGS GC 8

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GABBRO FLOAT PARTIALLY REPLACED BY PYRRHOTITE, CHALCOPYRITE, POSSIBLY OTHER SULFIDES, AND GOLD. FLOAT MAY HAVE COME FROM NEARBY PROSPECT PIT. COUNTRY ROCK EXPOSED IS CHERT AND UNMINERALIZED GABBRO.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) 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.