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Agnew Mine

Producer in Western Australia, Australia with commodities Nickel, Copper, Cobalt
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Geologic information

Identification information

Deposit ID 10024498
MRDS ID ISM0218
Record type Site
Current site name Agnew Mine
Alternate or previous names Perseverance Deposit

Geographic coordinates

Geographic coordinates: 120.69924, -27.8129 (WGS84)
Elevation 500
Relative position ORE BODY; 1 KM
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Geographic areas

Country State
Australia Western Australia

Comments on the location information

  • MOTLOUSE RIVER VALLEY; EASTERN LIMITS OF KALAHARI DESERT

Commodities

Commodity Importance
Nickel Primary
Copper Primary
Cobalt Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Perseverance Ultramafic Intrusion
    Rock description Perseverance Ultramafic Intrusion
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) 120.69924, -27.8129
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Geologic structures

Type of structure Regional
Structure description Structural Embayments At Basal Contact Of Ultramafic Intrusion With Metasediments; Also Disseminated Within Intrus-Ion.

Ore body information

  • Depth to top 50M

Comments on the geologic information

  • FOLDING; PYTT + PNLD + MGNT + CLCP; THE PIKWE ORE BODY IS A METAMORPHOSED AND DEFORMED STRATA-BOUND SULFIDE DEPOSIT OCCURRING AS A CONCORDANT SILL-LIK-E BODY WITHIN GNEISSIC COUNTRY ROCKS. OVER MOST OF ITS EXTENT- IT IS ASSOCIATED WITH AMPHIBOLITE HOST ROCKS UP TO 50 M THICK-. POLYPHASE DEFORMATION PRODUCED A SEQUENCE OF ORE TEXTURES (-BRECCIATED SULFIDES, FOLIATED SULFIDES) BUT HAS LARGELY MAINTA-INED ITS PRETECTONIC MORPHOLOGY DESPITE ITS COMPLEX STRUCTURAL- HISTORY. THE PIKWE ORE BODY IS THE LARGEST OF THE THREE SELE-BI-PIKWE DEPOSITS: PIKWE, SELEBI, AND SELEBI NORTH. THE THRE-E DEPOSITS ARE ALL GENETICALLY RELATED AND MAY REPRESENT THE S-AME ORE HORIZON THAT IS EXPOSED IN THREE STRUCTURAL LEVELS.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1971
Year of first production 1978
Year of last production >1982

Mining district

District name East Murchison Gold Field

Ownership information

  • Type Operator
    Owner Agnew Mining Co. Pty. Ltd.
    Home office Perth, Wa, Australia
    First year 1982
  • Type Owner
    Owner Seltrust Mining Corp. Pty. Ltd., (60%) Perth, Wa, Australia; (40%) Mount Isa Mines Ltd., Mt. Isa, Q

Comments on the production information

  • UNKNOWN UNKNOWNPA1-PA3: UNDERGROUND AND OPEN PIT PRODUCTION FROM PIKWE, TONS OF ORE MINED AND GRADE OF ORE MILLED; PA2: GRADE O-F ORE MILLED FROM JULY TO DECEMBER. PC1: UNDERGROUND AND OPEN PIT PRODUCTION FROM PIKWE, TONS OF ORE MINED AND WEIGHTED GRADE OF ORE MILLED.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.9 wt-pct Nickel Major 1982

Comments on the reserve resource information

  • RR1, RR3: PROVEN RESERVES; RR2, RR4: PROBABLE RESERVES.

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( X; WORLDWIDE OVERSUPPLY OF NICKEL AND DEPRESSED MARKET.). DEVELOPMENT(YES); EXPLORATION(YES); ASSESSMENT(MINE PRODUCTION WAS SET AT 2,128,000 MT IN 1979. SMELTER PRODUCES 42,000 MT/YR NI MATTE CONTAINING 78% CU-NI.); ; ECON.COM: MINE PRODUCTION WAS SET AT 2,128,000 MT IN 1979. SMELTER PRODUCES 42,000 MT/YR NI MATTE CONTAINING 78% CU-NI.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS ISM0218
USGS International Strategic Minerals Inventory ISMI NI044

Bibliographic references

  • Deposit

    MARTIN, J.E., AND ALLCHURCH, P.D., 1975, PERSEVERANCE NICKEL DEPOSIT, AGNEW, IN KNIGHT, C.L., ED., ECONOMIC GEOLOG-Y OF AUSTRALIA AND PAPUA NEW GUINEA, V. 1, METALS: AUSTRALASI-AN INSTITUTE OF MINING AND METALLURGY, MONOGRAPH 5, P. 149-155-.

  • Deposit

    MARSTON, R.J., GROVES, D.I, HUDSON, D.R., AND ROSS, J.R., 1981, NICKEL SULFIDE DEPOSITS IN WESTERN AUSTRALIA--A RE-VIEW: ECONOMIC GEOLOGY, V. 76, NO. 6, P. 1330-1363.

  • Deposit

    MARSTON, R.J., 1984, NICKEL MINERALISATION IN WESTERN AUSTRALIA, MINERAL RESOURCES BULLETIN 14: PERTH, GEOLOGICAL- SURVEY OF WESTERN AUSTRALIA.

  • Deposit

    SELTRUST HOLDINGS LTD., ANNUAL REPORTS.

  • Deposit

    WESTERN AUSTRALIA MINES DEPT. RETURNS.

  • Production

    PA1-PA4: RF4, RF5 PC1-PC4: RF4, RF5

General comments

Subject category Comment text
Deposit Discovery Year: 1963 (SELEBI), 1966 (PIKWE)
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE AND UNDERGROUND REFINED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1982 Mock Colleen M Bureau of Mineral Resources, Canberra, Australia