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Spruce Creek 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002578
MRDS ID A015014
Record type Site
Current site name Spruce Creek Placer
Related records 10137172

Geographic coordinates

Geographic coordinates: -156.51964, 63.09388 (WGS84)
Relative position 3.5 MILES SOUTH OF OPHIR.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ophir A-2(quadrangle 1:63,360 scale)

Ophir SE(quadrangle 1:100,000 scale)

Ophir(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-367, LOC. 17. MINE AND TAILINGS MARKED ON OPHIR (A-2). 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

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -156.51964, 63.09388
ListMap

Economic information

Comments on the geologic information

  • MAJOR.UNITS: BEDROCK IS BLACK SLATE CUT BY NUMEROUS FINE GRAINED HIGHLY ALTERED DACITIC (?) DIKES. ; REG.COM: SOURCE OF GOLD MODERN AND PALEO TRIBUTARIES TO SE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907
Year of first production 1909
Year of last production 1940

Mining district

District name Innoko

Comments on development

  • MINED BY TWO SMALL HYDRAULIC PLANTS. NO DREDGING. INTERMITTANT MINING. BEST PROSPECTS ON LOW BENCH 200 YARDS EAST OF CREEK. NO WORKABLE PAYSTREAK IN CREEK.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PLACERS ON LOW BENCH ON EAST SIDE OF CREEK. GOLD IN SHATTERED TOP OF BEDROCK AND OVERLYING 2-6 FT. OF GRAVEL, BENEATH 10-15 FT. OF MUCK OR SILT.
Deposit STREAM GRADIENT 50-100 FEET 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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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.