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

Claim Point

Past Producer in Alaska, United States with commodities Aluminum, Chromium, Iron
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. 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. Production statistics
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10136895
MRDS ID A010671
MAS/MILS ID 0021040002
Record type Site
Current site name Claim Point
Alternate or previous names Reef Deposit
Related records 10000487

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -151.82193, 59.20636 (WGS84)
Elevation 61
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seldovia A-5 NW(quadrangle 1:24,000 scale)

Seldovia SW(quadrangle 1:100,000 scale)

Seldovia C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Kenai Peninsula(hydrologic unit)

Kenai Peninsula(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 011 S 015 W 21 Alaska

Commodities

Commodity Importance
Aluminum Critical Tertiary
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Garnet Unknown
Olivine Unknown
Pyroxene Unknown
Serpentine Unknown
Uvarovite Unknown

Nearby scientific data

Ore Body (1) -151.82193, 59.20636
ListMap

Economic information

Ore body information

  • Strike N77E
    Dip 80S
    Thickness 23M
    Length 188M
    Width 51M
    Area 10HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 STRATIFORM
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Strike And Dip N77E:80S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 10
    Date of Last Modification 860926

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1909
Mining method Open Pit
Year of first production 1917
Milling method Gravity

Mining district

District name Homer District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights State Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Red Mt. Chromite
    Interest 50
  • Type Owner
    Owner Union Carbide Corp.
    Interest 25
    Home office New York
  • Type Owner
    Owner Wallace Mcgegor
    Interest 25

Comments on the ownership information

  • OWNERSHIP - RED MT. CHROMITE 50%, UNION CARBIDE 25%, WALLACE MCGREGOR 25% OWNER ADDRESS: UNION CARBIDE CORPORATION 270 PARK AVENUE NEW YORK, N.Y. 10017 JOE MANGA HAS STATE OFFSHORE PROSPECTING PERMIT FOR CLAIM PT OWNER ADDRESS: JOE MANGA P.O. BOX 844 FAIRBANKS, ALASKA 99707

Production statistics

  • Year 1917
    Description Average Grade=46-49% Cr2o3 1000 Long Tons Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 48wt-pct
  • Year 1918
    Description Average Grade=40% Cr2o3 1000 Long Tons Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 40wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1943
    Indicated 267000mt ore
    Demonstrated 267000mt ore
    Total resources 267000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 17.81 wt-pct Chromium Major 1943

Comments on the reserve resource information

  • R1=M1C1 CHROME TO IRON RATIO=2.71:1 POSSIBLE LARGE LOW GRADE CHROMIUM RESOURC MAY REMAIN:

Workings at the site

  • Type of workings Surface
    Area 8HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 71
    Avg. Overburden Thickness 0
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 10
    Max. Pit Slope (degrees) 60
    Capacity 100
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 49.28
    Units of Production $/MT ORE
    Operating Days per Year 180
    Operating Shifts per Day 1
    Year of Information 1978

Comments on other economic factors

  • CHROME TO IRON RATIO: 2.71 TO 1.

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 104-008

  • Ownership

    ALASKA KARDEX 104-009

  • Reserve-Resource

    WAR MINERALS REPORT253 p. 1

  • Reserve-Resource

    IC8990 p. 42

  • Deposit

    B442i pp. 168-169

  • Deposit

    B587 pp. 237-238

  • Deposit

    B662b p. 22

  • Deposit

    B692n pp. 265-267

  • Deposit

    B712a pp. 23, 34

  • Deposit

    B712d pp. 100-111

  • Deposit

    B714a p. 40

  • Deposit

    B742 pp. 1-2

  • Deposit

    RI4419

  • Deposit

    B931G pp. 129-143

  • Deposit

    WAR MINERALS REPORT253

  • Deposit

    IC7379 pp. 69-70

  • Deposit

    C252 pp. 10-11

  • Deposit

    B1246 pp. 78-79

  • Deposit

    MF397

  • Deposit

    OF77-169A p. 54

  • Deposit

    OF77-236

  • Deposit

    OF78-1E p. 17

  • Deposit

    E&MJ 7905 p. 83, No. 166

  • Deposit

    OF80-87 pp. 11-13

  • Deposit

    OF82-719 p. 9, No. 213

  • Deposit

    AMR 81-82 p. 40

  • Deposit

    MTA 82 No. D-74

  • Deposit

    IC8990 pp. 41-43

Reporter information

Type Date Name Affiliation Comment
Reporter 03-MAR-1995 Rdc 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.