Yakima Ledge

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

Geologic information

Identification information

Deposit ID 10258200
MRDS ID A010561
MAS/MILS ID 0020950224
Record type Site
Current site name Yakima Ledge
Related records 10000398

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -148.29839, 60.96066 (WGS84)
Elevation 200
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 010 N 006 E 13 NE Alaska


Commodity Importance
Copper Primary
Gold Tertiary
Lead Tertiary
Zinc Tertiary

Materials information

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

Nearby scientific data

Ore Body (1) -148.29839, 60.96066

Ore body information

  • Strike N12E
    Dip 80W
    Width 0.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    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 N12E
    Date of Last Modification 880427

Economic information

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 State

Ownership information

  • Type Owner
    Owner J. Brereton, T. Dome, And B. Howell
    Interest 100
    Home office Alaska
    Year 1912

Comments on the workings information

  • Workings consist of a 19.8 m. adit.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0020950224
USGS Mineral Resources Data System MRDS A010561 MAS references MRDS

Bibliographic references

  • Ownership

    ALASKA KARDEX 095-197

  • Deposit

    B592j p. 231, plate 9 No. 37

  • Deposit

    B622i p. 138

  • Deposit

    B662h p. 189

  • Deposit

    I273 # 121

  • Deposit

    MF880A # 128

  • Deposit

    MLA5-84 218 pp., (Locality S-151).

Reporter information

Type Date Name Affiliation Comment
Reporter 27-APR-1988 Dwb U.S. Bureau of Mines