McKallick Placer

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10002367
MRDS ID A013285
Record type Site
Current site name McKallick Placer
Related records 10258412

Geographic coordinates

Geographic coordinates: -136.14646, 57.63915 (WGS84)
Relative position 0.9 MI. N OF VEIN PT., ON E. SHORE OF OGDEN PASSAGE
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 929, PLATE 1; USGS MF-467, LOC. 72 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

Comments on the commodity information

  • GOLD GRAINS ENCLOSED OR WERE ENCLOSED BY QUARTZ. ONE GRAIN ENCLOSED PYRITE CRYSTAL.

Materials information

Materials Type of material
Augite Gangue
Hypersthene Gangue
Ilmenite Gangue
Magnetite Gangue
Plagioclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Peat
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -136.14646, 57.63915

Comments on the geologic information

  • MAJOR.UNITS: CRETACEOUS GRAYWACKE OF SITKA GRAYWACKE ; REG.COM: SOURCE OF PLACER GOLD IS PROBABLY NEARBY LODE CONCEALED BY DENSE VEGETATION AND SWAMPS, SINCE GOLD CANNOT HAVE TRAVELED FAR, AS INDICATED BY ANGULARITY OF GOLD.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Mike Mckallick

Mining district

District name Chichagof

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface
    Overall depth 2.44M
    Overall length 15.24M
    Overall width 6.1M

Comments on the workings information

  • GROUND OPENED INCOMPLETELY ALONG CREEK FOR LENGTH OF 50 FT., WIDTH OF 20 FT., DEPTH OF 8 FT..

Comments on development

  • NO RECORD OF PRODUCTION, THOUGH THERE MAY HAVE BEEN SOME.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013285

Bibliographic references

  • Deposit

    USGS B 929, P. 124, 124, PLATES 1, 3 (1941)

  • Deposit

    USGS OF 78-450, P. 78 (1978)

  • Deposit

    USGS MF-467, LOC. 72 (1972)

  • Other Database

    BAG-B-929-PL-1

General comments

Subject category Comment text
Deposit SMALL BROOK FLOWING OVER MUSKEG HAS UP TO 8 FT. OF PEAT AND MUCK COVERING ANGULAR FRAGMENTS OF GRAYWACKE. GRAYWACKE BEDROCK IS HARD AND IRREGULAR. DEPOSIT IS ELUVIAL, AS SHOWN BY ANGULARITY OF ROCK AND GOLD.
Deposit STREAM GRADIENT VERY SLIGHT, AREA SWAMPY. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey