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

Mitchell and Mcpherson Prospect

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

Geologic information

Identification information

Deposit ID 10001329
MRDS ID A012069
Record type Site
Current site name Mitchell and Mcpherson Prospect
Related records 10161115

Geographic coordinates

Geographic coordinates: -134.7287, 58.54781 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: USGS BULL 502, PLATE 2, LOC. 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
Lead Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore

Analytical data

Result GRADES OVER 6 FT SAMPLE WIDTH RANGED 8-17 PPM
Result UPPER TUNNEL GRADES 1-4 PPM AU
Result USGS OFR 85-717, P. 143

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -134.7287, 58.54781
ListMap

Ore body information

  • Strike N 45 E
    Dip 90

Comments on the geologic information

  • COUNTRY ROCK IS BELT OF DIORITE GNEISS IN A SCHIST TERRANE

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904

Mining district

District name Juneau/Eagle River

Land status

Ownership category National Forest

Comments on the workings information

  • EXPLORED BY 2 TUNNELS AND OPEN CUTS; 3 UNPATENTED LODE CLAIMS

Comments on development

  • ACTIVE 1904-1914

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012069

Bibliographic references

  • Deposit

    USGS BULL 502, P. 53

  • Deposit

    USGS BULL 1246, P. 159

  • Deposit

    USGS OFR 84-572, P. 167, NO. 61

  • Deposit

    USGS OFR 85-717, P. 143

  • Other Database

    BAG-OFR-85-717-130

General comments

Subject category Comment text
Deposit MINERALIZED SHEAR ZONE IN DIORITE GNEISS; BRECCIA ZONE 6 FT THICK TRENDS ACROSS FOLIATION IN GNEISS AND CARRYS QUARTZ WITH RARE PYRITE AND GALENA; AURIFEROUS
Deposit SEE ALSO: ST. LOUIS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey