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  3. Mineral Resource Data System (MRDS)

Yandera

Prospect in Papua New Guinea with commodities Copper, Gold, Molybdenum, Silver
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10134492
MAS/MILS ID 6040250003
Record type Site
Current site name Yandera
Alternate or previous names Gremi, Omora, Imbruminda, Omora North, Omora South, Imbruminda North

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 145.13076, -5.7496 (WGS84)
Elevation 1750
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Papua New Guinea(country)

Geographic areas

Country
Papua New Guinea

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Molybdenum Secondary
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Chalcopyrite Unknown
Gold Unknown
Molybdenite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 145.13076, -5.7496
ListMap

Economic information

Ore body information

  • Length 8000M
    Width 1500M
    Area 1200HA
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 STOCKWORK
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 POTASSIC
    Type of Wallrock Alter. #3 INTERM ARGILLIC
    Total Surface Area (HA) 1200
    Date of Last Modification 830623

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1956

Mining district

District name Papua

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Triaco Resources Ltd.
    Interest 73
    Home office Australia
    Year 1990

Comments on the production information

  • EXACT CU MILL RECOVERY = 89.5 %

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Indicated 124000000mt ore
    Demonstrated 124000000mt ore
    Total resources 124000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.42 wt-pct Copper Major 1977
    Molybdenum Mo 0.0183 wt-pct Molybdenum Minor 1977
    Silver Ag 0.0029 g/mt Silver Minor 1977
    Gold Au 0.06 g/mt Gold Minor 1977
  • Type In-situ
    Estimate year 1988
    Indicated 336000000mt ore
    Demonstrated 336000000mt ore
    Total resources 336000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.4 wt-pct Copper Major 1988
    Molybdenum Mo 0.0186 wt-pct Molybdenum Minor 1988
    Gold Au 0.1 g/mt Gold Minor 1988
  • Type In-situ
    Estimate year 1988
    Indicated 336000000mt ore
    Demonstrated 336000000mt ore
    Total resources 336000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.4 wt-pct Copper Major 1988
    Molybdenum Mo 0.0186 wt-pct Molybdenum Minor 1988
    Gold Au 0.1 g/mt Gold Minor 1988

Comments on the reserve resource information

  • WORLD MINING, 5/77, P15;(BUKA MINERALS RPT. 6/30/76), (6/30/76) WORLD MINING, 5/77, P15;(BUKA MINERALS RPT. 6/30/76), (6/30/76)
  • TOTAL RESERVES AS OF 12/31/86; USED IN 1987 EVALUATION. MINABLE RESOURCE.

Workings at the site

  • Type of workings Surface
    Area 1200HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Percent Waste Rock 67
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 60000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 22500000
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1986

Reference information

Bibliographic references

  • Reserve-Resource

    WELSH, T. C., THE MINERAL INDUSTRY IN PAPUA NEW GUINEA, IN

  • Reserve-Resource

    GEOLOGY OF THE MINERAL DEPOSITS OF AUSTRALIA AND PAPUA

  • Reserve-Resource

    NEW GUINEA, (ED. F. E. HUGHES), 1990, P. 1681-1688.

  • Reserve-Resource

    LYONS, MOLLY AND LYONS, LEO. PAPUA NEW GUINEA: THREE

  • Reserve-Resource

    PORPHYRY COPPER PROSPECTS: WORLD MINING, MAY 1977,

  • Reserve-Resource

    P. 44-49.

  • Deposit

    LAY, R.E., NOTES ON A VISIT TO AMDEX MINING PROSPECT AT

  • Deposit

    YANDERA, NEW GUINEA, NOV. 21, 1973, 9 PP.

  • Deposit

    BHP MINERALS DIVISION, AN EVALUATION OF THE YANDERA COPPER

  • Deposit

    PROSPECT, INTERNAL DOCUMENT, FEB. 17, 1976, 46 PP.

  • Deposit

    ANON., INDUSTRY IN ACTION: MINING JOURNAL, MAR. 12, 1976,

  • Deposit

    P. 201.

  • Deposit

    ANON., MINING JOURNAL, JUNE 10, 1977, P. 452.

  • Deposit

    GRANT, J. N., AND NIELSEN, R. L., GEOLOGY AND GEOCHRONOLOGY

  • Deposit

    OF THE YANDERA PORPHYRY COPPER DEPOSIT, PAPUA NEW

  • Deposit

    GUINEA: ECONOMIC GEOLOGY, V. 70, NO. 7, P. 1157-1174.

  • Deposit

    NIELSEN, R. L., & GRANT, J. N., STRUCTURAL DEVELOPMENT OF

  • Deposit

    THE YANDERA PORPHYRY COPPER DEPOSIT, PAPUA NEW GUINEA:

  • Deposit

    ABSTRACT, GSA ABSTRACTS, VOL. 7, NO. 7, OCT. 20-22,

  • Deposit

    1975, P. 1213.

  • Deposit

    PAGE, R. W., AND MCDOUGALL, IAN. AGES OF MINERALIZATION OF

  • Deposit

    GOLD AND PORPHYRY COPPER DEPOSITS IN THE NEW GUINEA

  • Deposit

    HIGHLANDS, ECONOMIC GEOLOGY, V. 67, 1972, P. 1040-1042.

  • Deposit

    TITLEY, S. R., FLEMING, A. W., AND NEALE, T. I. TECTONIC

  • Deposit

    EVOLUTION OF THE PORPHYRY COPPER SYSTEM AT YANDERA,

  • Deposit

    PAPUA, NEW GUINEA, ECONOMIC GEOLOGY, VOL. 73, 1978,

  • Deposit

    P. 810-828.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-OCT-1992 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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

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