1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Reynolds

Prospect in Alaska, United States with commodity Copper
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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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10000775
MRDS ID A011418
Record type Site
Current site name Reynolds
Alternate or previous names Butte Creek Copper Group
Related records 10112958

Geographic coordinates

Geographic coordinates: -141.42861, 62.1786 (WGS84)
Relative position Best location: Richter and others, 1973, USGS I-807, loc. 2. Accurate within 100 ft radius

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nabesna A-1(quadrangle 1:63,360 scale)

Nabesna SE(quadrangle 1:100,000 scale)

Nabesna(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias National Preserve(National Preserve)

National Preserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Malachite Ore
Calcite Gangue
Specularite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Nikolai Greenstone
    Rock description Nikolai Greenstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -141.42861, 62.1786
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Small veins of bornite, chalcocite, specularite, malachite, and calcite in amygdaloidal basalt flows of the Triassic Nikolai Greenstone; near contact between Greenstone and interbedded limestone and shale.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Chip sample across 5 ft of Fe-stained basalt (USGS OF 471, sample 131) assayed 50 ppm B, 150 ppm Cr, 150 ppm Cu, 70 ppm Ni, 200 ppm V and traces of Au, Ag, Mo and Zn. Type of workings: surface.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Moffit, 1954, USGS B 989-D

General comments

Subject category Comment text
Deposit Model Name = Lode: volcanogenic
Deposit Other Comments = See also: Sulzer (NB094)

Reporter information

Type Date Name Affiliation Comment
Reporter 05-FEB-1997 Leonard, K.R. U.S. Geological Survey
Reporter 05-FEB-1997 Elliott, R.L. U.S. Geological Survey
Reporter 05-FEB-1997 Richter, D.H. 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.