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

Snettisham Iron-Titanium-Vanadium Prospect

Occurrence in Alaska, United States with commodities Iron, Titanium, Metal, Vanadium, PGE, Copper
Map
XML
JSON
KML
B
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10002402
MRDS ID A013320
Record type Site
Current site name Snettisham Iron-Titanium-Vanadium Prospect
Related records 10209425

Geographic coordinates

Geographic coordinates: -133.78614, 57.98392 (WGS84)
Elevation 30
Relative position 1.2 MI. SW OF SENTINAL PT.

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sumdum D-6(quadrangle 1:63,360 scale)

Sitka NE(quadrangle 1:100,000 scale)

Sumdum(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass 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

Comments on the location information

  • USBM 85-86, FIG. 4, LOC. 153; USGS MF-425, 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
Vanadium Critical Primary
PGE Critical Secondary
Copper Secondary

Comments on the commodity information

  • 14% MAGNETITE, 8% ILMENITE-

Materials information

Materials Type of material
Chalcopyrite Ore
Apatite Gangue
Epidote Gangue
Sphene Gangue

Analytical data

Result DRILL CORE SAMPLE: 18.9% FE, 2.6% TIO2, 0.05% V- USGS OF 78-698, P. 25

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) -133.78614, 57.98392
ListMap

Economic information

Ore body information

  • Thickness 144.78M
    Length 2895.6M
    Width 701.04M

Comments on the geologic information

  • PYROXENITE PLUTON THAT HAS INTRUDED PHYLLITE, HAS GRADATIONAL CONTACTS WITH DIORITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name Juneau

Land status

Ownership category National Forest

Comments on the reserve resource information

  • ESTIMATED RESERVES OF 400-500 MILLION TONS OF MATERIAL AT AVERAGE GRADE OF 18-20% FE, 2% TIO2, 0.7% V2O5 AND 0.0027 TOZ/ST PGM-USBM OFR 85-86, P. 46; USGS OF 78-698, P.25.

Workings at the site

  • Type of workings Surface
    Area 157.833HA

Comments on the workings information

  • 6,543 FT. OF DIAMOND DRILL HOLES DRILLED IN 1953 BY USBM.

Comments on development

  • DISCOVERED BEFORE 1900. 4-5 TONS OF TITANIFEROUS MAGNETITE SHIPPEP TO DOUGLAS FOR ANALYSIS IN 1918. CLAIMS STAKED IN 1950 BY ROBERT COUGHLIN AND W. PEKOVICH. EXTENSIVE DIAMOND DRILLING BY USBM IN 1953.

Reference information

Bibliographic references

  • Deposit

    USBM OFR 85-86, P. 46, FIG. 4, LOC. 153 (1986)

  • Deposit

    USGS OF 78-698, P. 25, 26 (1978)

  • Deposit

    USGS MF-425, LOC. 2 (1972)

  • Other Database

    USBM-OFR-85-86-FIG-4-153

General comments

Subject category Comment text
Deposit PYROXENITE PLUTON CONTAINS DISSEMINATED MAGNETITE, ALSO IN CONCENTRATIONS. SMALL AMOUNTS OF PYRRHOTITE, CHALCOPYRITE, ILMENITE FOUND WITH MAGNETITE.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 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.