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  3. Mineral Resource Data System (MRDS)

Seward Bonanza

Past Producer in Alaska, United States with commodities Copper, Gold, Lead, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10137256
MRDS ID A010524
MAS/MILS ID 0020950109
Record type Site
Current site name Seward Bonanza
Alternate or previous names Kenai Lode No. 1
Related records 10093952

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -149.16926, 60.37203 (WGS84)
Elevation 512
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Kenai Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward B-6(quadrangle 1:63,360 scale)

Seward SW(quadrangle 1:100,000 scale)

Seward(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Kenai Peninsula(hydrologic unit)

Kenai Peninsula(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Chugach 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

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 003 N 001 E 05 NWNENE Alaska

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Arsenopyrite Unknown
Chalcopyrite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -149.16926, 60.37203
ListMap

Economic information

Ore body information

  • Strike N60E
    Dip 85N
    Width 1.1M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N60E:85N
    Date of Last Modification 881220

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner C. E. And J. W. Stevenson
    Interest 100
    Home office Alaska
    Year 1907
  • Type Owner
    Owner Forty Mile Association
    Interest 100
    Home office Alaska
    Year 1982

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 8157mt ore
    Total resources 8157mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.65 g/mt Gold Trace 1984
    Silver Ag 6.35 g/mt Silver 1984

Comments on the workings information

  • Workings consist of a 61 m.-long adit and a inaceaaible 12.2 m. crosscut with 7.6 m. of drift.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 20-DEC-1988 Dwb U.S. Bureau of Mines

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.