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  3. Mineral Resource Data System (MRDS)

Opal Prospect

Producer in Alaska, United States with commodities Gold, Silver, Lead, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10000843
MRDS ID A011496
Record type Site
Current site name Opal Prospect
Alternate or previous names Tiger Mining Co.
Related records 10185351

Geographic coordinates

Geographic coordinates: -144.63921, 61.54158 (WGS84)
Location accuracy 2000(meters)

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 C-2(quadrangle 1:63,360 scale)

Valdez NE(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 45

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore

Analytical data

Result NO DATA

Nearby scientific data

(1) -144.63921, 61.54158
ListMap

Economic information

Ore body information

  • Width 1M

Comments on the geologic information

  • USGS OFR 77-169A LISTS HO ST ROCK AS SCHIST OF SKOLAI GROUP INTRUDEDBY JURASSIC? GRANITIC ROCKS; USGS OFR 80-892B LISTS HOST ROCK AS SCHISTOF LIBERTY CREEK TERRANE INTRUDED BY EOCENE TONALITE; K/AR AGE OF TONALITE LISTED IN USGS OFR 80-892A AS 52.4 +/- 2.6 M. Y.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Nelchina

Comments on the workings information

  • NO DATA AVAILBLE

Comments on development

  • RECENTLY ACTIVE WITH PROBABLE MINOR PRODUCTION

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit WIDELY SPACED QUARTZ VEINS GENERALLY LESS THAN 1 M WIDE
Deposit DEPOSIT LISTED AS "RECENTLY ACTIVE" IN 1980 USGS OPEN-FILE REPORT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 30-MAY-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PARSED DATA INTO WORKINGS AND ORE BODY MULTIVALUED FIELDS

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.