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Humble Oil & Refining Co. Iron Prospect

Prospect in Alaska, United States with commodities Iron, Titanium, Metal
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10002311
MRDS ID A013219
Record type Site
Current site name Humble Oil & Refining Co. Iron Prospect
Alternate or previous names Kemuk Mountain, USGS of 77-169f, P. 10, Loc. 1

Geographic coordinates

Geographic coordinates: -157.67879, 59.71629 (WGS84)
Location accuracy 500(meters)
Relative position 11.8 MI. E OF SUMMIT OF KEMUK MOUNTAIN

Site location context

Political divisions (FIPS codes)

Dillingham(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dillingham C-5(quadrangle 1:63,360 scale)

Dillingham NW(quadrangle 1:100,000 scale)

Dillingham C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Nushagak River(hydrologic unit)

Nushagak River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-375, LOC. 2 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Iron Primary
Titanium, Metal Critical Primary

Analytical data

Result AVERAGE GRADE 10.5-12% MAGNETIC FE, 15-17% TOTAL FE-USGS OF 77-169F, P. 10, LOC.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -157.67879, 59.71629
ListMap

Economic information

Ore body information

  • General form TABULAR
    Dip SE
    Thickness 1250M

Comments on the geologic information

  • CRET-JUR PYROXENITE INTRUSION IN PERM-JUR SILICIFIED ARGILLITE, QUARTZITE, AND LIMESTONE HOST ROCK.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1958

Comments on the reserve resource information

  • DEPOSIT ESTIMATED TO CONTAIN 2.4 BILLION LTU OF HYPOTHETICAL RESOURCES AVERAGING 15-17% TOTAL FE AND 10.5-12% MAGNETIC FE, AND 2-3% TIO2-USGS OF 77-169F, P. 10, LOC.1

Comments on the workings information

  • 16 DIAMOND CORE DRILL HOLES TO MAXIMUM DEPTH OF 600 M.

Comments on development

  • GROUND GEOPHYSICAL SURVEYS, DIAMOND CORE DRILLING.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BENEFICIATION TEST INDICATES FEASIBILITY OF PRODUCING CONCENTRATE OF 65% FE, 2-3% SIO2, 0.005-0.016% P2O5, AND 2-3% TIO2. ; INFO.SRC : 1 PUB LIT
Deposit TABULAR, STEEPLY SE-DIPPING BURIED TITANIFEROUS MAGNETITE-BEARING PYROXENITE INTRUSIVE AT LEAST 1250 M THICK OCCURS UNDER AREA OF AT LEAST 10 SQ KM IN SILICIFIED ARGILLITE, QUARTITE, AND LIMESTONE. PYROXENITE BODY OVERLAIN BY 25-120 M OF GLACIAL DEPOSITS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-87 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey

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.