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

Mayfield

Past Producer in Alaska, United States with commodities Copper, Gold, Lead, Silver, Zinc
Map
XML
JSON
KML
B
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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10137235
MRDS ID A011443
MAS/MILS ID 0020860026
Record type Site
Current site name Mayfield
Alternate or previous names Charles Anderson & Delate Cook, J. W. Date, Lola M. Date, Golden Harvest 1-15, Anderson and King Glacier, J. E. Turner, Mayfield 1-5, James Finley, Alaska Mayfield Mines, Inc., Emil Helekal
Related records 10000798

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -146.81947, 61.15739 (WGS84)
Elevation 914
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valdez A-8(quadrangle 1:63,360 scale)

Valdez SW(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern Prince William Sound(hydrologic unit)

Prince William Sound(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
Copper River 008 S 009 W 22 SWNWSE Alaska

Commodities

Commodity Importance
Copper Tertiary
Gold Primary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Nearby scientific data

Main Entrance (1) -146.81947, 61.15739
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 50E
    Length 19.8M
    Width 1.1M
    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 N35W:50E
    Date of Last Modification 881017
  • Strike N25W
    Dip 50N
    Length 60.1M
    Width 1.7M
    Field Value
    MAS Matrix # 2
    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 N25W:50N
    Date of Last Modification 881017

Economic information about the deposit and operations

Operation type Surface-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 Federal

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 551mt ore
    Total resources 551mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.9699 g/mt Gold Major 1984
    Silver Ag 3.21 g/mt Silver Trace 1984
  • Type In-situ
    Estimate year 1984
    Inferred 104mt ore
    Total resources 104mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.97 g/mt Gold Major 1984

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit CLAIMED 1912. ACTIVE CA. 1935, 1955 (KX 86-44). NO PRODUCTION RECORDS AVAILABLE. Workings consist of two adits. The lower adit has 102.7m. of workings and the upper adit has 45.7m. of workings.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-OCT-1988 Mirl-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.