Nugget

Past Producer in Alaska, United States with commodities Copper, Gold, Lead, Silver

Geologic information

Identification information

Deposit ID 10161077
MRDS ID A002944
MAS/MILS ID 0020950066
Record type Site
Current site name Nugget

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -147.95758, 60.97846 (WGS84)
Elevation 530
Location accuracy 100(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 008 E 12 NENENW Alaska

Commodities

Commodity Importance
Copper Tertiary
Gold Primary
Lead Tertiary
Silver Tertiary

Materials information

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

Nearby scientific data

Main Entrance (1) -147.95758, 60.97846

Ore body information

  • Strike N80E
    Dip 75N
    Width 0.3M
    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 N80E
    Date of Last Modification 880427

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Stephen Roe
    Interest 100
    Home office Alaska
    Year 1911
  • Type Owner
    Owner F. S. Pettyjohn
    Interest 100
    Home office Alaska
    Year 1976
  • Type Owner
    Owner Sharon L. Francis
    Interest 100
    Home office Alaska
    Year 1979

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Demonstrated 992mt ore
    Indicated 992mt ore
    Total resources 992mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.8 g/mt Gold Major 1980

Comments on the workings information

  • USGS CRIB A002885 USGS CRIB A002971 Workings include an accessible 48.8 m.-long adit at the 530 m. elevation, a shallow shaft at the 548.6 m. elevation, and trenching.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0020950066
USGS Mineral Resources Data System MRDS A002944 MAS references MRDS

Bibliographic references

  • Ownership

    ALASKA KARDEX 095-219

  • Deposit

    B542c p. 37

  • Deposit

    B592j pp. 220-222, plate 9 No. 5

  • Deposit

    B622i p. 135

  • Deposit

    B642g p. 142

  • Deposit

    B662h p. 189

  • Deposit

    I273 # 99

  • Deposit

    MF880A # 155

  • Deposit

    MLA5-84 218 pp., (Locality S-136).

Reporter information

Type Date Name Affiliation Comment
Reporter 27-APR-88 AHC U.S. Bureau of Mines