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Eureka Creek Placer

Producer in Alaska, United States with commodities Gold, Lead, Antimony
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Geologic information

Identification information

Deposit ID 10000650
MRDS ID A011269
Record type Site
Current site name Eureka Creek Placer

Geographic coordinates

Geographic coordinates: -150.96261, 63.52706 (WGS84)
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Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
016S;016S 017W;018W 7,8;12,13 Alaska

Comments on the location information

  • PLACERED AREA EXTENDS ABOUT 2 MI UPSTREAM FROM LOCATION; RICHEST DEPOSITS FOUND NEAR CONFLUENCE OF MOOSE CR. AND EUREKA CR. 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
Lead Tertiary
Antimony Tertiary

Comments on the commodity information

  • SKETCHY REPORT OF 50 TONS OF SB ORE BEING MINED IN 1915 FROM NEARBY VEIN

Materials information

Materials Type of material
Galena Ore
Gold Ore
Stibnite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -150.96261, 63.52706
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Ore body information

  • Thickness 1.52M
    Width 30.48M

Comments on the geologic information

  • GEOL.COM: GOLD LIES MAINLY IN TOP 1 TO 3 FT OF RIPPABLE BEDROCK ; MAJOR.UNITS: QUARTZITIC AND CARBONACEOUS SCHISTS AND GREENSTONE INTRUDED BY BASALTIC DIKES. UPPER PART OF VALLEY: SUBANGULAR SCHIST GRAVELS OF LOCAL DERIVATION; IN THE LOWER PART OF THE VALLEY, THESE GRAVELS BECOME MIXED WITH BOULDERS OF GRANODIORITE, GREENSTONE, CHERT PEBBLE CONGLOMERATE AND METAMORPHIC SLATES WHERE EUREKA CR. HAS ERODED DOWN INTO MOOSE CR. BENCH MATERIAL. ; REG.COM: KANTISHNA LODE DEPOSITS

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905

Mining district

District name Kantishna

Land status

Ownership category National Park

Comments on the production information

  • MINED INTERMITTENTLY SINCE 1905; KANTISHNA DISTRICT HAS ANNUAL PRODUCTION OF 3000 TO 5000 OZ OF PLACER GOLD, ADGGS RI 83-12, P. 25

Comments on the reserve resource information

  • ADGGS RI 83-12, P. 27

Comments on development

  • MAINLY PICK AND SHOVEL MINING; IN 1975, AN HYDRAULIC SLUICING OPERATION PROCESSED 100 TO 300 CY OF STREAM AND CHANNEL BENCH GRAVEL PER DAY; ALSO IN 1975, A GRAVITY SLUICING PLANT USING A BULLDOZER AND FRONT END LOADER PRODUCED 4 TO 6 FINE OZ AU FROM 500 TO 700 CY OF MATERIAL DAILY, ADGGS OFR 98, P. 14

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011269

Bibliographic references

  • Deposit

    USGS BULL 314, P. 215-217, 220

  • Deposit

    USGS BULL 687, P. 85-87

  • Deposit

    USGS BULL 755, P. 141-142

  • Deposit

    ADGGS OFR 98, P. 8-9, 13-14, 27

  • Deposit

    ADGGS RI 83-12, P. 27

  • Deposit

    ADGGS SR 33, P. 24

  • Deposit

    USGS OFR 77-168B, P. 37

  • Deposit

    USGS OFR 77-169A, P. 47 LOC. 51

  • Deposit

    USGS BULL 1374, P. 154

  • Other Database

    BAG-MF-366-46

General comments

Subject category Comment text
Deposit CREEK GRAVELS FROM 1 TO 5 FT THICK, 20 TO 100 FT WIDE; LOWER EUREKA DEPOSIT IS ALLUVIAL FAN WITH PAY 10 FT THICK; RICH DEPOSITS NEAR MOUTH FORMED BY RIFFLE EFFECT OF HEAVIER MOOSE CR. BENCH MATERIAL WHERE EUREKA CR. CROSSES
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit HISTORICALLY THE BEST PRODUCER IN THE DISTRICT OF PLACER GOLD; VALLEY GRADE: 235 FT/MI ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 13-APR-1994 Mosier, Dan U.S. Geological Survey