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Unnamed Magnetite Prospect

Occurrence in Alaska, United States with commodity Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  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 10094070
MRDS ID A013054
Record type Site
Current site name Unnamed Magnetite Prospect

Geographic coordinates

Geographic coordinates: -154.06094, 59.65859 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Lake and Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iliamna C-3(quadrangle 1:63,360 scale)

Iliamna NE(quadrangle 1:100,000 scale)

Iliamna C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake Iliamna(hydrologic unit)

Kvichak-Port Heiden(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-364, LOCATION 24 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

Materials information

Materials Type of material
Magnetite Ore

Analytical data

Result AVERAGE MAGNETITE CONTENT IN TRIASSIC GREENSTONE SAMPLES IS 5%-USGS OFR 81-1343A, P. A8 (1981)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -154.06094, 59.65859
ListMap

Economic information

Comments on the geologic information

  • MAGNETITE PRESENT IN GREENSTONE NEAR GRANODIORITE CONTACT

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit AVERAGE CONTENT OF SAMPLES OF TRIASSIC GREENSTONE WITHIN A FEW TENS OF METERS OF A CONTACT WITH CRETACEOUS OR TERTIARY GRANODIORITE IS ABOUT 5%. NEAR MEADOW LAKE. ; INFO.SRC : 1 PUB LIT
Deposit 5% MAGNETITE CONTENT IN TRIASSIC GREENSTONE WITHIN A FEW TENS OF METERS OF CONTACT WITH CRETACEOUS OR TERTIARY GRANODIORITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.