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

Ann Mason Deposit

Prospect in Lyon county in Nevada, United States with commodities Copper, Molybdenum
Map
XML
JSON
KML
B
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10222434
MRDS ID MP90062
MAS/MILS ID 0320190169
Record type Site
Current site name Ann Mason Deposit
Related records 10048830, 10310385

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -119.25928, 38.98741 (WGS84)
Elevation 1700
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Lyon(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Artesia Lake(quadrangle 1:24,000 scale)

Smith Valley(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

West Walker(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Lyon

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013 N 024 E 14 S2 Nevada

Comments on the location information

  • DEPOSITS ALSO LOCATED IN SECTIONS 13, 15, AND 24, T13N, R24E. * DEPOSIT IS ABOUT 3 MILES WEST OF THE OLD YERINGTON AND IS BURIED UNDER 300 TO 1500 FEET OF TERTIARY VOLCANICS. *

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary

Materials information

Materials Type of material
Apatite Unknown
Biotite Unknown
Bornite Unknown
Chalcopyrite Unknown
Feldspar Unknown
Hornblende Unknown
Ilmenite Unknown
Magnetite Unknown
Pyrite Unknown
Quartz Unknown
Sphene Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) -119.25928, 38.98741
ListMap

Economic information

Ore body information

  • Strike N04E
    Dip 76E
    Thickness 400M
    Length 1000M
    Width 100M
    Depth to top 400M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 POTASSIC
    Strike And Dip N04E:76E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 400
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 850913
  • Area 117HA
    Field Value
    Total Surface Area (HA) 117
    Date of Last Modification 910418

Comments on the geologic information

  • NOTE---CHALCOPYRITE CONCENTRATION (M-AMO) IS AN ORE BODY AVERAGE AND INCLUDES REPORTED BORNITE. * MINERALS ARE NOT REPORTED IN ORDER OF ABUNDANCE. *

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Large
Significant No
Mining method Caving Methods - Other Caving Methods
Milling method Flotation

Mining district

District name Yerington

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Arimetco International, Inc.
    Interest 100
    Home office Arizona
    Year 1996
    First year 1996
  • Type Owner
    Owner Tibbles Construction Co. (Don Tibbles)
    Interest 100
    Home office Nevada
    Year 1985

Reserves and resources

  • Type In-situ
    Estimate year 1996
    Indicated 449000000mt ore
    Total resources 449000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.4 wt-pct Copper Major 1996

Comments on the reserve resource information

  • MATRIX 1 COLUMN 2 IS THE ORE PROPOSED FOR MINING GIVING A MINE LIFE OF ABOUT 21 YEARS.
  • LOWE, N.T., PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN NEVADA, IC 9035, 1985.
  • ARCO - ANACONDA MERGER FILING, SEPTEMBER 1976, P 67,82 HIGH GRADE TONNAGE - 100,000,000 MT @ 0.51 % CU. NOT INCLUDED I 1978 SUPPLY ANALYSIS. SHOULD BE CONSIDERED FOR FUTURE AVAILABILITY STUDIES.

Workings at the site

  • Type of workings Underground
    Overall depth 900M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method FILLED STOPES
    Percent Waste Rock 0
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. UNKNOWN
    Number of Shafts 1
    Length of Inclines (m) 2100
    Slope of Inclines 85
    Number of Inclines 3
    Avg. Length of Adits (m) 18000
    Number of Adits 9
    Capacity 15373
    Capacity Units MT ORE/DAY
    Unit Production Cost 8.6
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1985

Reference information

Bibliographic references

  • Reserve-Resource

    WORLD MINING (SAN FRANCISCO) ANACONDA - ATLANTIC RICHFIELD

  • Reserve-Resource

    MUST DIVEST CU RESERVES. V. 32. NO. 5, 1979, P. 65.

  • Reserve-Resource

    ARIMETCO INTERNATIONAL INCORPORATED. 1995 ANNUAL REPORT.

  • Reserve-Resource

    P.11.

  • Deposit

    EINAUDI, M. DESCRIPTION OF SKARNS ASSOCIATED WITH PORPHYRY

  • Deposit

    COPPER PLUTONS. PAPER IN ADVANCES IN GEOLOGY OF THE

  • Deposit

    PORPHYRY COPPER DEPOSITS, SOUTHWESTERN NORTH AMERICA,

  • Deposit

    ED. BY S. R. TITLEY. UNIV. AZ PRESS, TUCSON, AZ, 1982,

  • Deposit

    PP. 145-148.

  • Deposit

    EINAUDI, M. YERINGTON SKARNS; FIELD TRIP 10, SKARN

  • Deposit

    DEPOSITS. PAPER IN EXPLORATION FOR ORE DEPOSITS OF THE

  • Deposit

    NORTH AMERICAN CORDILLERA. FIELD TRIP GUIDEBOOK, ED. BY

  • Deposit

    J. L. JOHNSON. SYMP. OF ASSOC. EXPL. GEOCHEM., RENO, NV,

  • Deposit

    MARCH 25-28, 1984, PP. 31-39.

  • Deposit

    MOORE, J. G. GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS,

  • Deposit

    AND ORMSBY COUNTIES, NEVADA. NV BUREAU OF MINES AND GEOL.

  • Deposit

    BULL. 75, 1969, 45 PP.

  • Deposit

    PROFFETT, J. M. AND J. H. DILLES. GEOLOGIC MAP OF THE

  • Deposit

    YERINGTON DISTRICT, NEVADA. NV BUREAU OF MINES AND GEOL.,

  • Deposit

    UNIV. OF NV, RENO, MAP 77, 1984.

  • Deposit

    STODDARD, C., AND J. A. CARPENTER. MINERAL RESOURCES OF

  • Deposit

    STOREY AND LYON COUNTIES, NEVADA. NV BUREAU OF MINES AND

  • Deposit

    GEOL. BULL. 49, 1950, P. 89.

  • Deposit

    WORLD MINING (SAN FRANCISCO) WHAT'S GOING ON IN WORLD

  • Deposit

    MINING - UNITED STATES: NEVADA; YERINGTON DISTRICT WILL

  • Deposit

    BE A MAJOR FUTURE PORPHYRY COPPER PRODUCER. V. 29,

  • Deposit

    NO. 3, 1976, P. 82.

  • Deposit

    BARBER, G.A. VICE PRESDENT-EXPLORATION AND GEOLOGY, ANACONDA

  • Deposit

    MINERALS DIVISION. CONFIDENTIAL COMPANY INFO. 1979.

  • Deposit

    DILLES, J.H., THE PETROLOGY AND GEOCHEMISTRY OF THE

  • Deposit

    YERINGTON BATHOLITH AND THE ANN-MASON PORPHRY COPPER

  • Deposit

    DEPOSIT, WESTERN NEVADA. PHD THESIS STANFORD UNIVERSITY

  • Deposit

    CA. 1983. 389 PP.

  • Deposit

    GALE, G.D. (LATE) METALLURGICAL ENGINEER, U.S. BUREAU OF

  • Deposit

    MINES WESTERN FIELD OPERATION CENTER. MARGRET PROJECT.

  • Deposit

    1980.

  • Deposit

    GEOLOGICAL SOCIETY OF AMERICA. THIRTY SIXTH ANNUAL MEETING-

  • Deposit

    ROCKY MOUNTAIN SECTION. THE GEOLOGICAL SOCIETY OF AMERICA

  • Deposit

    VOLUME 15, NO. 5, 1983, P. 277.

  • Deposit

    PROFFETT, J.M. JR. AND J.H. DILLES. GEOLOGIC MAP OF THE

  • Deposit

    YERRINGTON DISTRICT NEVADA. NEVADA BUREAU OF MINES AND

  • Deposit

    GEOLOGY MAP NO. 77. 1984.

  • Deposit

    SECURITY AND EXCHANGE COMMISSION. FORM S-14 (STOCK

  • Deposit

    REGISTRATION FORM). 1976, P. 60,67.

  • Deposit

    U.S. DEPARTMENT OF COMMERCE NATIONAL OCEANIC AND ATMOSPHERIC

  • Deposit

    ADMINISTRATION. MONTHLY NORMALS OF TEMPERATURE, PRECIP.,

  • Deposit

    AND HEATING AND COOLING DEGREE DAYS 1941-70, 1973, 10 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-JUL-97 Spear, James M. U.S. Bureau of Mines

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.