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

R.W. Silver Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Tungsten
Map
XML
JSON
KML
B

Geologic information

Identification information

Deposit ID 10001786
MRDS ID A012590
Record type Site
Current site name R.W. Silver Prospect
Alternate or previous names Claims: Goode, Hot Air, Shamrock, Southern Cross, Formerly: Flynn Prospect.

Geographic coordinates

Geographic coordinates: -164.28216, 64.6607 (WGS84)
Relative position E SIDE OF TRILBY HILL; PEAK OF S END OF N-TRENDING SADDLE NE OF MOUTH OF B. HURRAH CR.
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS GR 33, FIG. 2, NO. 4 AND FIGS. 3, 4. 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
Silver Secondary
Tungsten Tertiary

Materials information

Materials Type of material
Scheelite Ore
Chlorite Gangue
Quartz Gangue

Alteration

  • (Local) Chloritization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Hurrah Phyllonite; Aka Hurrah Slate; Part Of Mixed Unit Of Till And Others 1986
    Rock description Hurrah Phyllonite; Aka Hurrah Slate; Part Of Mixed Unit Of Till And Others 1986
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -164.28216, 64.6607
ListMap

Ore body information

  • General form TABULAR
    Strike N 30-60 DEGREES W
    Dip 40-60 DEGREES SW
    Thickness 0.91M
    Depth to top 0M
    Length 152.4M

Comments on the geologic information

  • HOST ROCK IS QUARTZITIC BLACK SLATE THAT GRADES INTO MICACEOUS SCHIST OR PHYLLITE AT THE PROSPECT.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1903
Discoverer W.R. Goode

Comments on the workings information

  • 5 SHAFTS AND NUMEROUS SURFACE PITS AND TRENCHES; GOODE SHAFT: INCLINED 26 DEGREES S 60 DEGREES W, REPORTEDLY 40-60 FT DEEP WITH 800 FT OF WORKINGS, FILLED WITH WATER IN 1920; SHAMROCK SHAFT (NO. 1): INCLINED 71 DEGREES W, 45 FT DEEP, CONDITION UNKNOWN; HOT AIR SHAFT (NO. 2): WAS 11 FT DEEP, 8 BY 10 FT IN CROSS-SECTION IN 1934, AT LEAST 20 FT DEEP IN 1938; NO DATA ON SHAFT NO 3 OR 4, NEAR GOODE SHAFT; LONGEST SURFACE TRENCH: 50 FT LONG, 3-8 FT DEEP; MILL ON PROPERTY IN 1938.

Comments on development

  • ACTIVE 1903-1916, AND 1938-1939; RESULTS OF MILLING OPERATION IN 1938 UNKNOWN; 5 PATENTED CLAIMS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012590

Bibliographic references

  • Deposit

    USGS BULLETIN 722, P. 198, 204.

  • Deposit

    ADGGS GR 33, P. 15-18, 21, 29.

  • Deposit

    USGS OFR 77-796-B, P. 20, LOC. 240.

  • Deposit

    USGS OFR 78-1-C, P. 42.

  • Deposit

    USGS OFR 86-276 (TILL AND OTHERS).

  • Other Database

    BAG-MF-445-16

General comments

Subject category Comment text
Deposit SEE ALSO: BIG HURRAH MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit AT LEAST 2 VEINS ON PROPERTY REPRESENTING TWO TYPES OF MINERALIZATION: FREE GOLD IN BANDED QUARTZ, AND ARSENOPYRITE-BEARING GREEN CHLORITIC VEIN MATERIAL WHICH ALSO CONTAINS FREE GOLD; VEIN WIDTHS VARY FROM 0.5 TO 3 FT; SECTION ACROSS BANDED QUARTZ VEIN: 6.5 IN OF GRAY QUARTZ ON FOOTWALL ASSAY: 0.81 OZ AU, IN BAND OF SLATE ASSAY: 0.01 OZ AU, AND 7.0 IN OF "OXIDIZED" QUARTZ ON HANGING WALL ASSAY: 0.16 OZ AU; SMALL AMOUNTS OF SCHEELITE REPORTED IN VEINS.

Reporter information

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