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Gold Reef No. 1 Gold Prospect

Occurrence in Alaska, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10002355
MRDS ID A013273
Record type Site
Current site name Gold Reef No. 1 Gold Prospect
Alternate or previous names Smith Prospects: Gold Reef No. 1 Claim

Geographic coordinates

Geographic coordinates: -136.11396, 57.65888 (WGS84)
Elevation 66
Relative position 0.7 MI SW OF CHICHAGOF
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 929, PLATE 1; USGS MF-467, LOC. 32. LOCATION IS 2,700 FT. N 42 DEGREES W FROM JUMBO MINE (SI-36). LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • NO DATA GIVEN ON METAL CONTENT, BUT BECAUSE OF PROXIMATY TO GOLD PRODUCER, GOLD IS LIKELY PRESENT.

Materials information

Materials Type of material
Gold Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Graywacke
    Rock description Graywacke
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -136.11396, 57.65888
ListMap

Controls for ore emplacement

  • Fault Zones

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1910
Discoverer Louis H. Smith

Mining district

District name Chichagof

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 70.1M

Comments on the workings information

  • 230 FT SHAFT SUNK WITH TWO SHORT LEVELS.

Comments on development

  • CLAIM STAKED BY LOUIS H. SMITH IN 1910 AS PART OF SAME CLAIM GROUP AS JUMBO, MINNESOTA, AND DULUTH CLAIMS. SHAFT WITH TWO LEVELS DRIVEN, BUT NO KNOWN PRODUCTION

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013273

Bibliographic references

  • Deposit

    USGS B 929, P. 128, PLATES 1, 3 (1941)

  • Deposit

    USGS OF 78-450, P. 47 (1978)

  • Deposit

    USGS MF-467, LOC. 32 (1972)

  • Other Database

    BAG-B-929-PL-1

General comments

Subject category Comment text
Deposit NO SPECIFIC MENTION OF GOLD PRESENT AT THIS PROSPECT BY USGS B 929, P. 128, BUT BECAUSE OF EXTENSIVE WORKINGS AND CLOSE PROXIMATY TO THE KNOWN GOLD-PRODUCING JUMBO MINE, IT IS SAFE TO ASSUME THAT SOME GOLD WAS PRESENT. ; INFO.SRC : 1 PUB LIT
Deposit QUARTZ VEINS IN CRUSHED ZONES IN GRAYWACKE CONTAIN PYRITE AND CALCITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey