Seward Bonanza Gold Mines Co.

Occurrence in Alaska, United States with commodities Gold, Lead, Zinc, Copper

Geologic information

Identification information

Deposit ID 10093952
MRDS ID A010524
Record type Site
Current site name Seward Bonanza Gold Mines Co.
Related records 10137256

Geographic coordinates

Geographic coordinates: -149.31813, 60.35731 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. 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
Lead Tertiary
Zinc Tertiary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Quartz Gangue

Analytical data

Result ASSAYS AS HIGH AS 4 OZ/TON AU REPORTED, OWNERS SAID AVERAGE ASSAY WAS 1.0-1.5 OZ/TON

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group;Valdez Group
    Rock description Valdez Group;Valdez Group

Nearby scientific data

(1) -149.31813, 60.35731

Geologic structures

Type of structure Local
Structure description Cleavage In Slate: N7-17w 55-80e

Ore body information

  • Strike N75W
    Dip 80S
    Thickness 3.05M
    Width 1.52M
    Length 1609.3M

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907

Mining district

District name Hope District

Land status

Ownership category State

Workings at the site

  • Type of workings Underground
    Name of workings TUNNEL
    Length 60.96M

Comments on the workings information

  • ONE TUNNEL 200 FEET LONG, WITH ONE ADDITIONAL CROSSCUT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010524

Bibliographic references

  • Deposit

    USGS BULLETIN 520, P. 144-160

  • Deposit

    USGS BULLETIN 587, P. 149-151

  • Deposit

    USGS MISCELLANEOUS FIELD STUDIES 880-A, LOCATION 77

  • Deposit

    USGS OPEN FILE 80-621, P. 205

General comments

Subject category Comment text
Deposit FISSURE VEIN RANGES GENERALLY BETWEEN 1.5 AND 5 FEET WIDE AND AVERAGES 2.5 FT IN WIDTH. MINERALIZATION IS CONCENTRATED ALONG JOINTS IN VEIN CONSIDERABLE MOVEMENT ALONG FRACTURE AFTER DEPOSITION. IN PLACES, VEINLETS EMINATE INTO WALLROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey PARSED DATA INTO WORKINGS MULTIVALUED FIELDS
Editor 13-APR-1994 Mosier, Dan U.S. Geological Survey
Editor 30-MAY-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey