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  3. Mineral Resource Data System (MRDS)

Mountain Boy Prospect

Occurrence in Alaska, United States with commodities Copper, Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10000866
MRDS ID A011519
Record type Site
Current site name Mountain Boy Prospect
Alternate or previous names Montana Boy

Geographic coordinates

Geographic coordinates: -144.02781, 61.66021 (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-1(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)

Federal lands

Wrangell-St. Elias National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: USGS BULL 745, PLATE III, LOC. 38 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Gold Secondary

Comments on the commodity information

  • FREE GOLD WAS PANNED FROM IRON STAINED QUARTZ VEIN ON THIS OR ADJACENT BLUEBIRD CLAIM

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Chitistone Limestone;Nikolai Greenstone
    Rock description Chitistone Limestone;Nikolai Greenstone

Nearby scientific data

(1) -144.02781, 61.66021
ListMap

Economic information

Comments on the geologic information

  • DEPOSIT IS IN NIKOLAI GREENSTONE APPROXIMATELY 150 FT BELOW THE BASE OF THE CHITISTONE LIMESTONE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Kotsina

Land status

Ownership category National Park

Comments on the workings information

  • SEVERAL OPEN CUTS AND SHORT ADIT DRIVEN BY 1923 WERE ONLY DEVELOPMENTS

Comments on development

  • MUCH OF SMALL VEIN REMOVED BY 1946

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEINLETS AND A FEW BUNCHES OF BORNITE AND CHALCOPYRITE OR BORNITE AND CHALCOCITE IN GREENSTONE; LARGEST VEIN ONLY A FEW IN WIDE; MALACHITE STAINING ALONG FRACTURES
Deposit SEE ALSO: FORGET-ME-NOT; BLUEBIRD ; 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

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.