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  3. Mineral Resource Data System (MRDS)

Avnet Prospect

Occurrence in Alaska, United States with commodities Manganese, Silver
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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 10002733
MRDS ID A015183
Record type Site
Current site name Avnet Prospect
Related records 10160343

Geographic coordinates

Geographic coordinates: -150.37945, 65.26073 (WGS84)
Location accuracy 1000(meters)
Relative position ABOUT 100 AIRLINE MILES N 70 W OF FAIRBANKS.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tanana B-1(quadrangle 1:63,360 scale)

Tanana SE(quadrangle 1:100,000 scale)

Tanana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-371-LOC. 7. PROSPECT ALONG CREST OF RIDGE BETWEEN GRANITE AND ROCK CREEKS, ABOUT 5 MILES SW OF BALDRY MTN. 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
Silver Primary

Materials information

Materials Type of material
Psilomelane Ore

Analytical data

Result USBM ASSAYS SHOWED .59% TO 34.4% MANGANESE AND UP TO .28 OZ. AG/TON.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) Oc
ListMap

Economic information

Ore body information

  • General form IRREGULAR, TONGUE, PODS
    Length 914.4M
    Width 182.88M

Comments on the geologic information

  • THE PREDOMINANCE OF QUARTZITE APPEARS TO BE ROCK IN PLACE, BUT INTENSE FRAGMENTATION SHOWS PROBABLE DISLOCATION BY FROST ACTION.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1952
Discoverer Paul Bittner

Mining district

District name Rampart

Land status

Ownership category State

Comments on the workings information

  • WORKINGS CAVED IN.

Comments on development

  • EXPLORED BY A TRENCH 40 FT. LONG, 3 FT. WIDE, AND 2 FT. DEEP, 2 PITS, AND SOME SURFACE SCRAPINGS. PROSPECT SAMPLED BY THE U.S.B.M IN 1962 AND 1963.

Reference information

Bibliographic references

  • Deposit

    USGS MF-371 (B-1), LOC. 7.

  • Deposit

    USBM OF 10-65, P. 1-8, 1965

General comments

Subject category Comment text
Deposit PSILOMELANE IN LOOSE QUARTZITE RUBBLE AND FROST BALLS IN AN AREA ABOUT 3,000 FT. BY 600 FT.. PSILOMELANE, OF POSSIBLE HYDROTHERMAL ORAGIN, OCCURS AS IRREGULAR MASSES 2-3 IN. IN LARGEST DIMENSION, AS LATTICEWORKS OF THIN SEAMS IN VEIN QUARTZ, AND AS THIN SURFACE COATINGS ON RUBBLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.

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.