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  3. Mineral Resource Data System (MRDS)

Ferguson Prospect

Occurrence in Alaska, United States with commodities Antimony, Gold
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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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001230
MRDS ID A011945
Record type Site
Current site name Ferguson Prospect
Alternate or previous names Midnight Dome

Geographic coordinates

Geographic coordinates: -150.14501, 67.46552 (WGS84)

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wiseman B-1(quadrangle 1:63,360 scale)

Wiseman SE(quadrangle 1:100,000 scale)

Wiseman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS CLAIM MAP-WISEMAN QUAD., ALASKA KARDEX NO. 30-75 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Antimony Critical Primary
Gold Primary

Materials information

Materials Type of material
Stibnite Ore

Analytical data

Result FINE TO COARSELY CRYSTALLINE STIBNITE ASSAYED 62% SB, USBM IC 8626, P. 8
Result 4 ROCK SAMPLES CONTAINED 0.02-0.079 PPM AU, USGS PP 709, P. 9
Result SAMPLES OF QUARTZ-STIBNITE VEINS CONTAINED UP TO 14 PPM AU, ADGGS OFR 158, P. 9, NO. 31

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -150.14501, 67.46552
ListMap

Economic information

Ore body information

  • Strike N
    Dip 30 E
    Thickness 0.15M

Comments on the geologic information

  • BEDROCK SHOWN AS MIDDLE DEVONIAN (?) UNIT CONSISTING OF CALCAREOUS PHYLLITE AND SCHISTOE SILTSTONE INTERBEDDED WITH SILICIFIED SILTSTONE, MINOR MARBLE AND DOLOMITE; USGS OFR 200

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • 2 SURFACE PITS

Comments on development

  • 1 LODE CLAIM; ACTIVE YEARS: 1938, 1951, 1954

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 6 IN VEIN CONTAINING KERNELS OF STIBNITE IN AN EARTHY YELLOW MATRIX OF ANTIMONY-OXIDES; AU DETECTED IN ANALYSIS
Deposit SEE ALSO: JONES AND BOYLE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

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

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.