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  3. Mineral Resource Data System (MRDS)

Cap Deposit

Prospect in Alaska, United States with commodities Barium-Barite, Copper, Gold, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10136611
MRDS ID A013090
MAS/MILS ID 0021090035
Record type Site
Current site name Cap Deposit
Related records 10002192

Geographic coordinates

Point of reference Claim
Geographic coordinates: -136.42434, 59.37754 (WGS84)
Elevation 1189
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Haines(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Skagway B-4(quadrangle 1:63,360 scale)

Skagway SE(quadrangle 1:100,000 scale)

Skagway C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chilkat-Skagway Rivers(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 029 S 053 E 01 SW Alaska

Commodities

Commodity Importance
Barium-Barite Critical Primary
Copper Primary
Gold Primary
Lead Primary
Silver Primary
Zinc Critical Primary

Nearby scientific data

Claim (1) g
ListMap

Economic information

Comments on the geologic information

  • CAP occurrence consists of an iron-stained zone capped by volcanics. Barite lenses occur in this zones. Pyrite, sphalerite, galena, and tetrahedrite occur with the barite. Samples collected contain up to 50% barite, 0.22% zinc, 0.33% lead, 277.7 silver, 1.371 ppm gold, and 100 ppm cobalt.

Economic information about the deposit and operations

Development status Prospect
Commodity type Both
Deposit size Small
Significant No
Discovery year 1971

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Alyu Mining Corp.
    Home office Alaska
    Year 1984
  • Type Operator
    Owner Southeast Mining ? -C. C. Hawley
    Home office Alaska
    Year 1984

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Hfd U.S. Bureau of Mines

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.