Avnet Prospect

Occurrence in Alaska, United States with commodities Manganese, Silver

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.
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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 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) -150.37945, 65.26073

Ore body information

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

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

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

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015183

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.