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

Unnamed (west of upper Cross Creek)

Occurrence in Alaska, United States with commodities Copper, 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. 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 10000766
MRDS ID A011408
Record type Site
Current site name Unnamed (west of upper Cross Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -142.57863, 62.07136 (WGS84)
Relative position Best location: Richter, 1973, USGS I-789, loc. 17. Accurate within 100 ft radius

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nabesna A-4(quadrangle 1:63,360 scale)

Nabesna SW(quadrangle 1:100,000 scale)

Nabesna C(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
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Tetelna Volcanics;Tetelna Volcanics
    Rock description Tetelna Volcanics;Tetelna Volcanics
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -142.57863, 62.07136
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Quartz vein containing minor pyrite, chalcopyrite, galena and sphalerite in hornfelsed volcanic country rock containing disseminated galena and sphalerite. Country rock is upper Paleozoic Tetelna Volcanics near Tertiary hornblende porphyry.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Sample of volcanic hornfels with disseminated sulfides ran: 0.9 ppm Au, 300 ppm Cu, 5 ppm Mo, 3000 ppm Pb, >10,000 ppm Zn (USGS OF 398, sample 834); Type of workings: surface

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Richter, 1973, USGS I-789

General comments

Subject category Comment text
Deposit Model Name = Lode: vein, disseminated
Deposit Other Comments = See also: Cross Creek prospect (NB055)

Reporter information

Type Date Name Affiliation Comment
Reporter 07-FEB-1997 Leonard, K.R. U.S. Geological Survey
Reporter 07-FEB-1997 Elliott, R.L. U.S. Geological Survey
Reporter 07-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.