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

Falls Creek Prospect

Occurrence in Alaska, United States with commodity Copper
Map
XML
JSON
KML
B
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. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10000848
MRDS ID A011501
Record type Site
Current site name Falls Creek Prospect

Geographic coordinates

Geographic coordinates: -144.2614, 61.35464 (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 B-1(quadrangle 1:63,360 scale)

Valdez SE(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Ahtna, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

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

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 51 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

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Covellite Ore

Analytical data

Result NO DATA ON TENOR

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Skolai Group; Greenstone With Altered Slate, Schist And Siliceous Limestone
    Rock description Skolai Group; Greenstone With Altered Slate, Schist And Siliceous Limestone
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -144.2614, 61.35464
ListMap

Economic information

Comments on the geologic information

  • ALTERED SEDIMENTS OF SKOLAI GROUP PREDOMINATE N OF FALLS CR., GREENSTONE IS DOMINANT ROCK TYPE S OF CR.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Length 77.72M

Comments on the workings information

  • 2 TUNNELS 400 FT APART, DRIVEN IN 1911; 105 FT AND 150 FT IN LENGTH

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DISSEMINATED BORNITE, CHALCOPYRITE AND COVELLITE IN METAVOLCANICS
Deposit DEPOSIT IS SIMILAR TO BLACKNEY PROSPECT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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.