1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Holkham Bay Gold Prospect

Past Producer in Alaska, United States with commodities Gold, Silver
Map
XML
JSON
KML
B
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. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10002417
MRDS ID A013338
Record type Site
Current site name Holkham Bay Gold Prospect
Related records 10161555

Geographic coordinates

Geographic coordinates: -133.23832, 57.59336 (WGS84)
Elevation 623
Relative position 3.7 MI. E OF WINDHAM BAY

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sumdum C-4(quadrangle 1:63,360 scale)

Sumdum N(quadrangle 1:100,000 scale)

Sumdum(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Tracy Arm-Fords Terror Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 1525, FIG. 50. LOCATION IS PORTAL OF UPPER WORKINGS. VEINS AND WORKINGS EXTEND 1,400 FT. SW OF LOCATION. LOCATION GIVEN BY USGS MF-425, LOC. 10 IS NOT EVEN CLOSE. 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

Comments on the commodity information

  • ANALYTICAL DATA FROM USGS B 1525, P. 153. BEST VALUES ARE FROM UPPER UNDERGROUND WORKINGS

Materials information

Materials Type of material
Gold Ore
Pyrrhotite Gangue
Quartz Gangue

Analytical data

Result 0.9 FT. VEIN SAMPLE: 4.89 OZ/TON AU, 0.447 OZ/TON AG
Result UPPER DRIFT VALUES RANGE 0-0.61 OZ/TON AU, AVERAGE 0.094 OZ/TON AU.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -133.23832, 57.59336
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Foliation Of Schist Strikes Nw, Dips 70 Degrees W

Ore body information

  • Strike N 10 DEGREES-20 DEGREES W
    Dip 38 DEGREES-45 DEGREES W
    Length 121.92M
    Width 1.83M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900

Mining district

District name Petersburg

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 92.96M

Comments on the workings information

  • UPPER WORKINGS EXPLORE VEIN FOR 240 FT., CONSISTING OF 170 FT. DRIFT WITH 3 STOPE RAISES. PORTAL ELEVATION IS 2,045 FT.. LOWER WORKINGS CONSIST OF 65 FT. CROSSCUT AT 1,715 FT. ELEVATION, DRIVEN BELOW HILL TOWARDS SECOND VEIN, BUT FALLING SEVERAL HUNDRED FT. SHORT. SECOND VEIN EXPLORED BY SEVERAL SHALLOW SHAFTS AND CUTS.

Comments on development

  • CLAIMS STAKED ABOUT 1900, MOST WORKINGS COMPLETED BY 1909. CLAIMS RESTAKED IN 1956 AS FOUR CLAIMS OF GOLD SEAL-GOLD COIN GROUP. GIBSON MILL PRESENT AT UPPER WORKINGS DURING 1930'S.

Reference information

Bibliographic references

  • Deposit

    USGS B 1525, P. 150-153, FIG. 50, 51, PLATES 1, 3 (1984)

  • Deposit

    USGS OF 78-698, P. 14 (1978)

  • Other Database

    BAG-B-1525-FIG-50

General comments

Subject category Comment text
Deposit 1-2 FT. THICK QUARTZ VEIN AT LEAST 400 FT. LONG IN GRAPHITIC SCHIST WITH TRACES OF PYRRHOTITE, EXPLORED BY 240 FT. OF UNDERGROUND WORKINGS, CONTAINS GOLD. SECOND VEIN OVER 6 FT. THICK EXPOSED FOR SEVERAL HUNDRED FT. ALONG STRIKE.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit FURTHER DEVELOPMENT OF MINE CURTAILED BY LOWER GOLD VALUES AND VEIN PINCHING OUT IN DRIFT. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Niles, L.P. (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.