45 Prospect

Occurrence in Alaska, United States with commodities Gold, Copper, Lead, Zinc
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. Ore body information
  10. Controls for ore emplacement
  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 10000816
MRDS ID A011466
Record type Site
Current site name 45 Prospect
Related records 10185416

Geographic coordinates

Geographic coordinates: -146.34117, 61.20627 (WGS84)
Location accuracy 2000(meters)
Relative position RIDGE S OF BREVIER CREEK, AT ABOUT 2500 FT ALTITUDE

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valdez A-7(quadrangle 1:63,360 scale)

Valdez SW(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern Prince William Sound(hydrologic unit)

Prince William Sound(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • POSITION GIVEN IS AN ARBITRARY POINT ON THE RIDGE S OF BREVIER CR. WHICH LIES WITHIN THE AREA DELINEATED BY USGS MF-438, LOC. 25 AS BEING THE SITE FOR THE 45 PROSPECT 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
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -146.34117, 61.20627

Economic information

Ore body information

  • General form LENSES
    Strike S45E
    Dip 70 E

Controls for ore emplacement

  • Fracture Control

Comments on the geologic information

  • SCHISTOSITY OF COUNTRY ROCK IS N 80 E, WITH 70 N DIP

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Port Valdez

Land status

Ownership category State

Workings at the site

  • Type of workings Surface/Underground
    Length 6.1M
    Overall depth 4.88M
  • Type of workings Surface/Underground
    Length 6.1M

Comments on the workings information

  • EXPLORED BY 1913 BY A 20 FT ADIT AND OPEN CUT 20 FT BY 16 FT DEEP

Comments on development

  • NO RECORD OF ANY DEVELOPMENT AFTER 1914 ASSESSMENT WORK

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SE TRENDING FRACTURES CONTAIN 1 TO 6 IN QUARTZ SULFIDE VEINS AND LENSES OF PYRITE UP TO 6 IN IN DIAMETER AND 1/2 IN THICK
Deposit SEE ALSO: HIGH GRADE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE WORKINGS FIELDS FROM THE COMMENTS FIELD.

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.