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Trail Creek Placer

Producer in Alaska, United States with commodities Gold, Silver, Tin, Lead, Tungsten
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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. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10107558
MRDS ID A015540
Record type Site
Current site name Trail Creek Placer

Geographic coordinates

Geographic coordinates: -155.27808, 64.38978 (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

Ruby B-5(quadrangle 1:63,360 scale)

Ruby S(quadrangle 1:100,000 scale)

Ruby(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-405, LOC. 18. PLACER MINE AND TAILINGS MARKED ON RUBY (B-5) ALONG HEADWATER SECTION OF TRAIL CREEK. TRIBUTARY OF SULATNA R. FROM THE WEST. 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
Silver Secondary
Tin Critical Tertiary
Lead Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Galena Ore
Gold Ore
Scheelite Unknown

Analytical data

Result GRADE: 26 GLM3 AU, 4.7 GLM3 AG
Result FINENESS 838 PARTS AU 152 PARTS AG
Result GROUND RAN ABOUT .036 TO .109 OZ. OF GOLD PER FT.2 OF BEDROCK.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) -155.27808, 64.38978
ListMap

Economic information

Comments on the geologic information

  • TOP HALF FOOT OF BEDROCK LARGELY WEATHERED TO CLAY. ; MAJOR.UNITS: BEDROCK IS PHYLLITE, SCHIST, AND SHALY SLATE; CLOSE TO CONTACT BETWEEN GREENSTONE AND SCHIST.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Mining district

District name Ruby

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Clarence Zaiser
    Home office Ruby, Ak 99768
    First year 1975

Comments on development

  • PLACER GOLD DISCOVERED IN 1911; MINING (PROBABLY NOT CONTINUOUS) UNTIL AT LEAST 1975. MINED BY OPEN CUTS AND HYDROULIC PLANTS. MINED IN 1975 BY BULLDOZER.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GOLD AT BASE OF GRAVEL, ON BEDROCK, AND IN TOP OF BEDROCK. MINING IN HEADWATER 6-7 MI. (MOST IN UPPERMOST 3 MI.) OF VALLEY; GOLD REPORTED AS FAR DOWNSTREAM AS 17 MI. FROM HEAD. GROUND GENERALLY ABOUT 25-35 FT. DEEP (INCREASES DOWNSTREAM), WITH 1 TO 6 FT. OF GRAVEL OVERLAIN BY SILT AND MUCK; ALL FROZEN.
Deposit STREAM GRADIENT 50-100 FEET PER MILE IN HEADWATER SECTION OF CREEK WHERE MOST OF MINING TOOK PLACE. ; 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-JUL-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.