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

Mill Creek Deposit

Producer in Elko county in Nevada, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10310322
MRDS ID N000278
Record type Site
Current site name Mill Creek Deposit

Comments on the site identification

  • This record incorporates all pertinent material from earlier MRDS record # N000278, which could be deleted, as this record is more up to date.

Geographic coordinates

Geographic coordinates: -116.0365, 41.3428 (WGS84)
Elevation 2290

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Water Pipe Canyon(quadrangle 1:24,000 scale)

Tuscarora(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Owyhee(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 040N 053E 20 Nevada

Comments on the location information

  • ON HILL BETWEEN MILL CREEK AND BURNS CREEK ; INFO FROM LAND.ST :(1972); PREVIOUS QUAD DESIGNATION = MCDERMITT (1971) 1:250000

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • Ore Materials: GOLD
  • Gangue Materials: PYRITE, REALGAR

Materials information

Materials Type of material
Gold Ore
Pyrite Gangue
Realgar Gangue

Alteration

  • (Local) SILICIFICATION

Mineral occurrence model information

Model code 172
USGS model code 26a
Deposit model name Carbonate-hosted Au-Ag
Mark3 model number 15

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Stratigraphic age (youngest) Ordovician
    Stratigraphic age (oldest) Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate
    Stratigraphic age (youngest) Ordovician
    Stratigraphic age (oldest) Silurian

Nearby scientific data

(1) -116.0365, 41.3428
ListMap

Economic information

Controls for ore emplacement

  • THRUST FAULTS, NORMAL FAULTS

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Deposit size Small
Significant Yes

Mining district

District name Independence Mountains
District name Jerritt Canyon District

Land status

Ownership category National Forest
Area name Elko District U S Forest Service
Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Queenstake Resources
    Year 2006
  • Type Operator
    Owner Freeport McMoRan
  • Type Owner
    Owner Freeport McMoRan
    First year 1990

Reserves and resources

  • Type Milling
    Estimate year 1988
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.122 g/mt Gold Major 1988
  • Type Leaching
    Estimate year 1988
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.496 g/mt Gold Major 1988

Comments on the workings information

  • PITS, DRILLING

Comments on other economic factors

  • Reserves in 1990 were reported as 1.3 milloin tons of ore grading 0.13 ounces of gold per ton opt Au for a total of 169,000 contained ounces of gold.

Comments on development

  • MAJOR GOLD DEPOSIT DISCOVERED BY FREEPORT 1985? - DEVELOPMENT WAS PROCEEDING IN 1986 AFTER ENVIRONMENTAL ASSESSMENT REPORT APPROVAL.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MICROMETER-SIZED GOLD GRAINS WITH OR WITHOUT PYRITE. ORE IS GENERALLY SULFIDE-RICH AND HIGHLY REFRACTORY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Lapointe, D. D. Nevada Bureau of Mines and Geology
Updater 01-SEP-1991 Moyer, Lorre A. (Marcus, S.M.) U.S. Geological Survey
Updater 01-JAN-1993 Phinisey, J. D. (Marcus, S.) U.S. Geological Survey
Reporter 01-JUN-2003 LaPointe, D.D. Nevada Bureau of Mines and Geology
Editor 01-SEP-2007 Schruben, Paul G. U.S. Geological Survey Converted from S&A FileMaker format to Oracle. Edit checks on rocks, units, and ages with Geolex search, and other fields.

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.