1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Twentieth Century Knight Island

Prospect in Alaska, United States with commodity Copper
Map
XML
JSON
KML
C
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. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10136802
MRDS ID A010558
MAS/MILS ID 0020950030
Record type Site
Current site name Twentieth Century Knight Island
Alternate or previous names Knight Island Copper Mining Co.
Related records 10000396

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -147.74693, 60.32315 (WGS84)
Elevation 216
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward B-2 SW(quadrangle 1:24,000 scale)

Seward SE(quadrangle 1:100,000 scale)

Seward(quadrangle 1:250,000 scale)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 003 N 010 E 29 NENWSE Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Main Entrance (1) -147.74693, 60.32315
ListMap

Economic information

Ore body information

  • Width 1.3M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 880427

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category Private

Comments on the workings information

  • A 20.7 m.-long adit.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 27-APR-1988 Clough, Al 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.