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Ironside Bar Placer

Past Producer in Alaska, United States with commodity 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10003094
MRDS ID A015626
Record type Site
Current site name Ironside Bar Placer
Related records 10184539

Geographic coordinates

Geographic coordinates: -150.61022, 66.98634 (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

Bettles D-2(quadrangle 1:63,360 scale)

Bettles NE(quadrangle 1:100,000 scale)

Bettles(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

  • USGS MF-387, LOC. 4. IRONSIDE BAR MINE MARKED ON BETTLES (D-2) ALONG SOUTH SIDE OF SOUTH FORK OF KOYUKUK RIVER, ABOUT 1 MILE UPSTREAM FROM GOLD BENCH. 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

Materials information

Materials Type of material
Gold Ore

Analytical data

Result GROUND RAN 25-50 CENTS PER BEDROCK FOOT (AU AT $20.67 OZ.).

Nearby scientific data

(1) -150.61022, 66.98634
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • LUMPED PRODUCTION OF IRONSIDE BENCH AND EAGLE BLUFF (WISEMAN QUAD.), 1900, WAS ABOUT 50 OZ. AU.

Comments on development

  • SMALL-SCALE MINING IN EARLY 1900'S AND IN 1930'S.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit RIVER GRADIENT UNDER 20 FT. PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit GOLD-BEARING BENCH GRAVELS SIMILAR TO THOSE OF GOLD BENCH. GOLD DISTRIBUTED THROUGH 6-30 FT. OF GRAVEL, BUT MOST IS ON (FALSE?) BEDROCK OF BLUE CLAY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1987 Powers, M.T. (Huber, D.F.) 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.