Nikolai Butte

Prospect in Alaska, United States with commodities Silver, Copper, Lead, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10001026
MRDS ID A011700
Record type Site
Current site name Nikolai Butte
Related records 10282993

Geographic coordinates

Geographic coordinates: -142.46135, 61.37357 (WGS84)
Relative position Southern flank of Nikolai Butte. Several prospects occur within 1/4 mile of coordinates. Best location: MacKevett and Smith, 1972. Locations of individual prospects accurate within radius of 100 feet.

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

McCarthy SE(quadrangle 1:100,000 scale)

McCarthy C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chitina River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Copper Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • Ore Material = Unspecified secondary copper
  • Ore Material = base metal minerals

Mineral occurrence model information

Model code 87
USGS model code 23
Deposit model name Basaltic Cu (BC name is Volcanic redbed Cu)
Mark3 model number 118

Nearby scientific data

(1) -142.46135, 61.37357

Economic information

Comments on the geologic information

  • Geologic Description = Small prospects on narrow veins in steep faults cutting Triassic Nikolai Greenstone and Triassic Chitistone Limestone and on copper-stained zones along the Greenstone/Limestone contact.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Nizina

Comments on the workings information

  • Workings / Exploration = Type of workings: surface. Grab samples assayed >20,000 ppm Cu, and as much as 10 ppm Ag, 15,000 ppm Pb, and 10,000 ppm Zn (MacKevett, 1976).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = MacKevett and Smith, 1968

General comments

Subject category Comment text
Deposit Model Name = Basaltic Cu ?
Deposit Other Comments = Probably a Kennicott-type deposit but of interest because of high lead and zinc values.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-NOV-1997 Leonard, K.R. U.S. Geological Survey
Reporter 10-NOV-1997 Elliott, R.L. U.S. Geological Survey
Reporter 10-NOV-1997 Richter, D.H. U.S. Geological Survey

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.