Bonanza Creek Prospect

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10002668
MRDS ID A015109
Record type Site
Current site name Bonanza Creek Prospect

Geographic coordinates

Geographic coordinates: -142.37779, 64.97977 (WGS84)
Location accuracy 250(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-393, LOC. 3. PROSPECT BETWEEN BONANZA AND EASTER CREEK ABOUT 1 MILE FROM SEVENTYMILE RIVER. 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

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Contact Zone Limonite Stained

Analytical data

Result AU: .02-11.0 PPM. SEE REF. 2, P. 9, TABLE 1, CHANNEL SAMPLES 13-18.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate

Nearby scientific data

(1) -142.37779, 64.97977

Ore body information

  • General form DISCONTINUOUS
    Width 18.29M

Controls for ore emplacement

  • Wnw-Ese Trending Shear Zone

Comments on the geologic information

  • QUARTZ VEINS AND SILICA CARBONATE ROCK ASSOCIATED WITH SERPENTINIZED ULTRAMAFIC BODIES. THE ULTRAMAFICS OUTCROP ALONG A FAULT ZONE AND ARE DISCONTINUOUS. RECONNAISSANCE SAMPLING ALONG THE FAULT ZONE TO THE SE DOES NOT INDICATE A CONTINUATION OF MINERALIZATION.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eagle

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015109

Bibliographic references

  • Deposit

    USGS MF-393 (D-3), LOC. 3.

  • Deposit

    USGS CIRC. 335, P. 9, 10.

  • Other Database

    BAG-MF-393-3

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS IN A 60 FT. WIDE LIMONITE-STAINED CONTACT ZONE BETWEEN SERPENTINE AND A FINE GRAINED MAFIC INTRUSIVE ROCK. QUARTZ AND CALCITE VEINLETS CUT BOTH THE SERPENTINITE AND THE INTRUSIVE ROCK. GOLD IN SILICA-CARBONATE ROCK.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.