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Sunrise Canyon Manganese Prospect

Occurrence in Alaska, United States with commodity Manganese
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001742
MRDS ID A012526
Record type Site
Current site name Sunrise Canyon Manganese Prospect
Alternate or previous names Slocum Inlet
Related records 10258634

Geographic coordinates

Geographic coordinates: -133.93254, 58.07475 (WGS84)

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Taku River A-6(quadrangle 1:63,360 scale)

Juneau SE(quadrangle 1:100,000 scale)

Taku River(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

  • BEST LOCATION: PITTMAN, 1957, UNPUBLISHED USBM REPORT; SEE REFERENCES LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Manganite Ore
Psilomelane Ore
Pyrolusite Ore
Rhodochrosite Ore
Rhodonite Ore

Analytical data

Result TWO CHANNEL SAMPLES ACROSS REPRESENTATIVE SECTIONS: 22.4% MN OVER 3.5 FT WIDTH, 31.6% MN OVER 1.0 FT WIDTH, PITTMAN, 1957, UNPUB. USBM OFR

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite

Nearby scientific data

(1) -133.93254, 58.07475
ListMap

Economic information

Ore body information

  • Strike N 50 W
    Dip 80 NE
    Thickness 1.07M

Comments on the geologic information

  • MN-BEARING VEINS ARE IN UPPER 200-300 FT OF PHYLLITE, OVERLAIN BY METAMORPHOSED SCHISTOSE SERIES OF BASALTIC LAVAS AND TUFFS, JUST W OF COAST RANGE BATHOLITH; VEINS ARE CONFORMABLE TO N 50 W STRIKING, 45-80 NEDIPPING SCHISTOSITY OF PHYLLITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1935
Discoverer Henry T. Olson

Mining district

District name Juneau

Land status

Ownership category National Forest

Comments on the workings information

  • A FEW SHALLOW PITS AND TRENCHES

Comments on development

  • 8 CLAIMS STAKED IN ABOUT 1935; MORE STAKED LATER; ONLY 2 CLAIMS HELD IN 1957, WHEN PROSPECT WAS EXAMINED BY USBM

Reference information

Bibliographic references

  • Deposit

    PITTMAN, TOM L., 1957, RECONNAISSANCE EXAMINATION OF SUNRISE CANYON MANGANESE, SLOCUM INLET, AK: USBM OFR, UNNUMBERED, 7 P.

  • Deposit

    USGS OFR 85-717, P. 321, NO. T012

  • Other Database

    BAG-OFR-85-717-T012

General comments

Subject category Comment text
Deposit MN-BEARING VEIN FROM 1.0 TO 3.5 FT WIDE COMPOSED OF ABOUT 70% RHODOCHROSITE, 15% MANGANESE DIOXIDE (PYROLUSITE AND/OR MANGANITE), 10% QUARTZ, 5% RHODONITE AND POSSIBLY SOME PSILOMELANE; SEVERAL OTHER PARALLELMN-BEARING VEINS FROM 0.1 TO 1.0 FT WIDE IN AREA OVER A 6000-FT STRIKE LENGTH
Deposit BENEFICIATION TESTS FAILED TO PRODUCE A MARKETABLE CONCENTRATE; SEE ALSO: ENTERPRISE CLAIMS (LIMESTONE INLET) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (Elliott, R. L.) 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.