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Surprise Creek Placer

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

Geologic information

Identification information

Deposit ID 10001240
MRDS ID A011957
Record type Site
Current site name Surprise Creek Placer
Alternate or previous names Summit Creek
Related records 10136096

Geographic coordinates

Geographic coordinates: -151.50338, 67.49967 (WGS84)
Location accuracy 10000(meters)

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-4(quadrangle 1:63,360 scale)

Wiseman SE(quadrangle 1:100,000 scale)

Wiseman C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • SURPRISE CREEK WAS MINED IN SEVERAL LOCATIONS ALONG THE SECTION OF STREAM EXTENDING 1 MI UPSTREAM OF THE LOCATION GIVEN

Commodities

Commodity Importance
Gold Primary

Analytical data

Result AVERAGE FINENESS: 920

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -151.50338, 67.49967
ListMap

Economic information

Comments on the geologic information

  • COARSE, ANGULAR GRAVEL WITH LARGE SLABS OF SCHIST AND ERRATIC BOULDERS OF "ARCTIC CONGLOMERATE" AND BLACK CHERT ; MAJOR.UNITS: BEDROCK IS GREENSTONE SCHIST WITH NUMEROUS QUARTZ VEINS, GRAPHITIC SCHIST, QUARTZITE SCHIST AND MICACEOUS SCHIST

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904
Year of first production 1904

Mining district

District name Koyukuk

Comments on the workings information

  • GRAVEL THAWED

Comments on development

  • SPORADIC SMALL-SCALE MINING 1904-1937; ACTIVE CLAIMS AS RECENTLY AA 1973 AND 1977

Reference information

General comments

Subject category Comment text
Deposit PLACER GOLD ON OR NEAR BEDROCK, AND IN LOWER 3 FT OF STREAM GRAVELS
Deposit AVERAGE GRADE: 13.3%; SEE ALSO: SPRING CREEK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-86 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.