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

Poorman Prospect

Occurrence in Alaska, United States with commodities Iron, Copper, Gold, Silver
Map
XML
JSON
KML
B
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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10000108
MRDS ID A010134
Record type Site
Current site name Poorman Prospect
Related records 10161291

Geographic coordinates

Geographic coordinates: -132.43791, 55.56084 (WGS84)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Craig C-2(quadrangle 1:63,360 scale)

Craig NE(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Prince of Wales(hydrologic unit)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Sealaska Corporation(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Iron Primary
Copper Secondary
Gold Secondary
Silver Tertiary

Comments on the commodity information

  • POORMAN WAS ORIGINALLY PROSPECTED FOR COPPER, BUT THE GRADE OF ORE IS TOO LOW. IT WAS LATER CONSIDERED ONLY AS AN IRON RESOURCE

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Fluorite Gangue
Limonite Gangue
Malachite Gangue

Analytical data

Result RESULTS OF USBM SAMPLING PROGRAM: 52.4% FE
Result 0.25% CU
Result 0.032 OZ/TON AU
Result 0.071 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) SOv
ListMap

Economic information

Ore body information

  • Thickness 45.72M
    Length 457.2M
    Width 60.96M

Controls for ore emplacement

  • Diabase Forms Footwall Of Deposit

Comments on the geologic information

  • COUNTRY ROCK IS LOCALLY BRECCIATED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1903

Comments on the reserve resource information

  • USGS BULL 1082-C, P. 102.

Workings at the site

  • Type of workings Surface/Underground
    Length 121.92M

Comments on the workings information

  • 19 TRENCHES, 3 ADITS, AND 4 SHAFTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT APPEARS TO TAPER DOWNWARD

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1983 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey
Editor 12-APR-1994 Mosier, Dan U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.