Ebba Gold-Silver-Nickel-Copper Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Nickel, Copper

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.
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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 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

Comments on the geologic information

  • CRET GABBRO IN PERM (?) CHERT COUNTRY ROCK

Economic information

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

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013314

Bibliographic references

  • Deposit

    ADGGS GC 8, P. 9, FIG. 3, LOC. 1 (1967)

  • Deposit

    USGS MF-467, LOC. 68 (1972)

  • Deposit

    USGS OF 78-450, P. 39 (1978)

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