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

Ear Mountain

Prospect in Alaska, United States with commodities Tin, Uranium
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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. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10111637
MRDS ID A003640
MAS/MILS ID 0020430004
Record type Site
Current site name Ear Mountain
Alternate or previous names Alaska Tin Corporation, Ralph Lomen, Kreuger Creek, Eldorado Creek, Tuttle Creek

Comments on the site names

  • OTHER NAMES: WINFIELD PROSPECT, QUARTZ CREEK, KRUEGER CREEK, PINNACLE CREEK, ELDORADO CREEK, CROSBY CREEK, TUTTLE CREEK, TIN CREEK, DEER CREEK.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -166.09925, 65.929 (WGS84)
Elevation 99
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Teller D-3(quadrangle 1:63,360 scale)

Teller NE(quadrangle 1:100,000 scale)

Teller C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Shishmaref(hydrologic unit)

Northern Seward Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Kateel River 006 N 035 W 08 W2SESW Alaska

Commodities

Commodity Importance
Tin Critical Primary
Uranium Tertiary

Materials information

Materials Type of material
Actinolite Unknown
Albite Unknown
Ankerite Unknown
Apatite Unknown
Axinite Unknown
Biotite Unknown
Calcite Unknown
Cassiterite Unknown
Chert Unknown
Chlorite Unknown
Chondrodite Unknown
Diopside Unknown
Epidote Unknown
Fluorite Unknown
Garnet Unknown
Glaucophane Unknown
Goethite Unknown
Graphite Unknown
Grossularite Unknown
Hornblende Unknown
Hypersthene Unknown
Lepidolite Unknown
Limonite Unknown
Magnetite Unknown
Monazite Unknown
Muscovite Unknown
Oligoclase Unknown
Olivine Unknown
Orthoclase Unknown
Penninite Unknown
Plagioclase Unknown
Pyrite Unknown
Pyromorphite Unknown
Quartz Unknown
Scheelite Unknown
Sericite Unknown
Tourmaline Unknown
Vesuvianite Unknown
Zircon Unknown
Zoisite Unknown
Vesuvianite Unknown

Nearby scientific data

Ore Body (1) -166.09925, 65.929
ListMap

Economic information

Ore body information

  • Thickness 2.6M
    Length 7147M
    Width 91M
    Area 116HA
    Depth to top 2.3M
    Field Value
    Type of Orebody #1 PLACER
    Shape of Orebody #1 LENTICULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2.3
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 116
    Date of Last Modification 830321

Economic information about the deposit and operations

Operation type Placer
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1903

Mining district

District name Port Clarence District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Alaska Tin Corp.

Comments on the reserve resource information

  • QUANTITY MATRIX IS EVALUATORS ESTIMATE BASED ON DATA IN USBM RI 5493.

Workings at the site

  • Type of workings Surface
    Area 100HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ALLUVIAL MINING
    Percent Waste Rock 31
    Avg. Overburden Thickness 2.3
    Primary Material Cover SAND, SILT
    Secondary Material Cover SAND, GRAVEL
    Hardness of Ore SAND, GRAVEL
    Avg. Bench Height (meters) 2
    Max. Pit Slope (degrees) 0
    Capacity 1674
    Capacity Units CU-M ORE/DAY
    Preprod. Stripping Vol. 120
    Unit Production Cost 9.48
    Units of Production $/CU-M ORE
    Operating Days per Year 120
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 043-017

  • Ownership

    ALASKA KARDEX 043-018

  • Deposit

    P2 pp. 9, 12, 13, 20, 25, 29, 30, 37, 51-5

  • Deposit

    B225 p. 166

  • Deposit

    B229 pp. 17, 26-28

  • Deposit

    B259k pp. 120-127

  • Deposit

    B260b p. 181

  • Deposit

    B284o pp. 145-157

  • Deposit

    B314b pp. 28-29

  • Deposit

    B345n pp. 252-256

  • Deposit

    B358 pp. 9, 25-32

  • Deposit

    B490 pp. 10, 21

  • Deposit

    B520e p. 89

  • Deposit

    B592d p. 58

  • Deposit

    B592v p. 407

  • Deposit

    B692b p. 41

  • Deposit

    B692w pp. 355, 357, 359-360

  • Deposit

    B722f p. 181

  • Deposit

    B733 pp. 102-111

  • Deposit

    TDM5R p. 22

  • Deposit

    OF51 pp. 29-32

  • Deposit

    B1024C

  • Deposit

    IC7871 p. 4

  • Deposit

    RI5493

  • Deposit

    P424C p. 17

  • Deposit

    C479 pp. 14-15

  • Deposit

    B1246 pp. 131, 134

  • Deposit

    P530 p. 112

  • Deposit

    MF426

  • Deposit

    OF508 pp. 54-55

  • Deposit

    OF77-796B

  • Deposit

    E&MJ 7905 p. 80, No. 35

  • Deposit

    AMR 81-82 p. 13

  • Deposit

    MTA 82 No. A-32

  • Deposit

    SR38 p. 43, No. 25

Comments on the references

  • MULLIGAN, 1954, 14 P. (DMEA DOCKET NO. 2942)

General comments

Subject category Comment text
Deposit REFERENCE POINT IS CONFLUENCE OF ELDORADO AND KREUGER CRS. USGS CRIB A003641 USGS CRIB A003682 USGS CRIB A003676 USGS CRIB A003634 USGS CRIB A003995 USGS CRIB A003659 USGS CRIB D002558 USGS CRIB D002560

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1995 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.