Post on 09-May-2018
transcript
Geological Survey of
Base Metal Opportunities inWestern Australia
Dr Tim Griffin*Executive Director
Geological Survey of Western Australia, 2007
Dr P. B. Abeysinghe (Abey)Senior Geologist
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Western Australia
Production and exploration growth in Cu, Pb, Zn and Ni due the buoyant market conditions
Base metal exploration is booming with more than doubling of annual exploration expenditure in 2005/06
New mines opening and enthusiasm for new and old projects across WA (Magellan Pb, Jaguar Zn, Whundo Cu, Telfer Au Cu, Flying Fox Ni, Ravensthorpe Ni, Prospero Ni)
Large area, diverse geological environments and mineralization models for base metals
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Western Australia
Copper (Cu)
Lead (Pb)
Zinc (Zn)
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Cu-Pb-ZnProduction 2005
Copper (Cu)Telfer, Newcrest Mining Ltd (Au Cu) 43,173 t Cu 2005
Nifty, Aditya Birla Group 16,800 t Cu 2005
Whim Creek, Straits Resources Ltd 8,746 t Cu 2005
Golden Grove (see below) 21,222 t Cu 2005By-product from Ni sulphide mining Kambalda district, Cosmos, Emily Ann, Radio Hill, Sally Malay
Lead (Pb)Magellan, Ivernia (Pb) 31,300 t Pb 2005
Golden Grove (see below) 6,393 t Pb 2005Zinc (Zn)
Golden Grove, Oxiana Ltd (Zn Cu Pb) 63,606 t Zn 2005 (21,222 t Cu; 6,393 t Pb; 24,693 oz Au; 1,829,406 oz Ag)
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Cu-Pb-ZnResources 2006Copper (Cu)
Telfer, Newcrest Mining Ltd (Au Cu) Proved 150 Mt at 1.1 g/t Au, 0.1% Cu; Probable 240 Mt at 1.5 g/t Au, 0.18%CuMeasured 140 Mt at 1.2 g/t Au, 0.11% Cu; Indicated 250 Mt at 1.8 g/t Au, 0.2% Cu; Inferred 110 Mt at 1.3 g/t Au, 0.15% Cu
Nifty, Aditya Birla GroupMeasured and Indicated resource of the primary and leachable ore is 41.5 Mt at 2.7% Cu
Whim Creek, Straits Resources LtdMeasured 9 Mt at 0.9% Cu; Indicated 3.7 Mt at 0.7% Cu, and Inferred 1.7 Mt at 0.6% Cu
By-product from Ni sulphide mining Kambalda district, Cosmos, Emily Ann, Radio Hill, Sally Malay
Lead (Pb)Abra, Abra Mining Ltd
Lead Domain: Inferred resource 50.3 Mt at 4% Pb, 0.2% Zn, 0.1% Cu, and 10 g/t AgCopper-Gold Domain: 9.8 Mt at 0.2% Pb, 0.6% Cu, 0.5 g/t Au, and 2 g/t Ag
Magellan, IverniaMeasured and Indicated 21.4 Mt at 5.8% Pb; Inferred 7.2 Mt at 4.6% Pb
Zinc (Zn)Golden Grove, Oxiana Ltd (Zn Cu Au)
Zinc: Measured and indicated; 3.27 Mt at 14.9% Zn, 0.3% Cu, 1.9% Pb, 2.1 g/t Au, and 120.4 g/t Ag; inferred 2.67 Mt at 15.4% Zn, 0.4% Cu, 2.4% Pb, 2.4 g/t Au, and 116.8 g/t Ag Copper: Measured and indicated; 8.03 Mt at 3% Cu, 0.1% Zn, 0.2 g/t Au, and 7.3 g/t Ag; inferred resource of 0.85 Mt at 3.6% Cu, 0.2% Zn, 0.1% Pb, 0.4 g/t Au, and 27.5 g/t AgGold: Measured and indicated; 1.04 Mt at 3.1 g/t Au and 94 g/t Ag; inferred resource of 0.19 Mt at 4.6 g/t Au, 105.2 g/t Ag
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Cu-Pb-Zn Under development or feasibility study
Copper (Cu)West Whundo (Cu, Zn, Ag)
Fox Resources LtdBoddington (Au, Cu)
Newmont Australia Ltd, Anglo Gold LtdPanorama - Sulphur Springs (Cu)
CBH Resources LtdPhillips River (Au, Cu)
Tectonic Resources NLSpinifex Ridge (Mo, Cu)
Moly Mines Ltd and Kallenia Mines Pty Ltd
Zinc (Zn)Jaguar (Zn Cu Pb Ag)
Jabiru Metals Ltd Admiral Bay
Kagara Zinc Ltd (Zn Pb Ag)Sorby Hills
CBH Resources Ltd (Zn Pb)Lennard Shelf – Pillara
Teck Cominco Ltd (Zn Pb)
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Cu-Pb-ZnExploration successes
Copper (Cu)Maroochydore (Cu)
50:50 by Aditya Birla Group and Murchison United NLSpinifex Ridge (Mo, Cu)
Moly Mines Ltd and Kallenia Mines Pty LtdKoongie Park (Cu)
Anglo Australian Resources NLBabel (Ni, Cu)
BHPB (potential resource of 1Mt Ni, 1Mt Cu)
Lead (Pb)Abra (Pb, Cu, Ba, Fe, Au, Ag)
Abra Mining Ltd
Zinc (Zn)Ayshia near Whundo (Zn, Cu)
Fox Resources LtdTeutonic Bore (Zn, Cu)
Jabiru Metals Ltd
Exploration expenditure $23.4 M 2005/06
Top ten copper, lead and zinc in Western Australia
Lamboo
Abra
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Contained Zn (kt)
Lennard Shelf
Koongie Park
Teutonic Bore
Sorby Hilss
Lennons Find
Prairie Downs
Abra
0 500 1000 1500 2000 2500Contained Pb (kt)
Magellan
Sorby Hills
Golden Grove
Phillips River
Koongie Park
Lennard Shelf
Napier Range
Sulphur Springs
Lennons FindMt Angelo
Nifty
Telfer
Abra
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Contained Cu (kt)
Maroochydore
Spinifex Ridge
Golden Grove
Sulphur Springs
Whim Creek
Boddington Golden Grove
Sulphur Springs
COPPER LEAD ZINC
Top ten copper, lead, and zinc projects in Western Australia
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Cu-Pb-ZnMineralization styles
Archean VMS deposits Yilgarn Craton (e.g. Golden Grove and Jaguar)
Mississippi Valley Type sediment-(carbonate) hosted depositsCanning Basin (e.g. Admiral Bay)Lennard Shelf (e.g. Pillara)
Stratabound volcanic-hosted massive sulfide depositsHalls Creek Orogen (e.g. Koongie Park)
Stratabound sediment-hosted deposits depositsEdmund Basin (e.g. Abra)Yerrida Basin (e.g. Magellan)
Vein and hydrothermal depositsPaterson Orogen (e.g. Telfer)
Orthomagmatic mafic and ultramafic depositsYilgarn Craton (e.g. Kambalda)
Deposits associated with porphyry systemsHalls Creek Orogen (e.g. Mt Angelo)
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Western Australia
Nickel (Ni)
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NiProduction 2005
Project Operator Nickel (tonnes) Mineralization Leinster BHP Billiton Ltd 41 796 Sulfide MountKeith BHP Billiton Ltd 38 100 Sulfide Emily Ann LionOre Mining International Ltd 12 099 Sulfide Cosmos Jubilee Mines NL 10 334 Sulfide Long Independence Group NL 8 757 Sulfide Silver Swan MPI Mines Ltd 6 613 Sulfide Miitel Mincor Resources NL 6 570 Sulfide Sally Malay Sally Malay Mining Ltd 6 542 Sulfide Beta Hunt Consolidated Minerals Ltd 3 836 Sulfide Redross Mincor Resources NL 3 269 Sulfide Radio Hill Fox Resources Ltd 2 263 Sulfide Carnilya+Zone 29 View Resources Ltd 1 995 Sulfide RAV8 Tectonic Resources NL 1 657 Sulfide Blair (Area 57 orebody) Australian Mines Ltd 1 369 Sulfide Wannaway Mincor Resources NL 700 Sulfide Murrin Murrin Minara Resources Ltd 27 783 Laterite Cawse Norilsk Nickel OJSC MMC 5 200 Laterite Total - nickel sulfide 145 900 Total - nickel laterite 32 983 Total - Western Australia 178 883
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NiProduction, New Mines
Kambalda-Kalgoorlie regionNickel Sulfide:
Miitel, Wannaway, Redross, Mariners, Mincor Resources NLSilver Swan, LionOre Mining International LtdBeta Hunt, Consolidated Minerals LtdBlair, Australian Mines Ltd (Ni, Cu)Long, Independence GroupLanfranchi, Helmut South, Sally Malay Mining Ltd (Ni)
Nickel Laterite: Cawse, OMG
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NiProduction, New Mines
Northern Eastern GoldfieldsNickel Sulfide: Cosmos, Jubilee Mines NL;
Mt Keith and Leinster, BHPBNickel Laterite: Murrin Murrin, Minara Resources Ltd
Lake Johnston regionNickel Sulfide: Emily Ann, LionOre Mining International Ltd
Maggie Hays, LionOre Mining (Ni, Cu)Forrestania region
Nickel Sulfide: Flying Fox, Western Areas NLHalls Creek region
Nickel Sulfide: Sally Malay, Sally Malay Mining Ltd (Ni, Cu, Co)Pilbara region
Nickel Sulfide: Radio Hill, Fox Resources Ltd (Ni Cu Co)Southern Yilgarn
Laterite: Ravensthorpe Nickel Laterite Operation, BHPB
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Ni Under development or feasibility study
South Central YilgarnRavensthorpe Nickel Laterite Operation, BHPB
Kambalda regionArmstrong, Central Widgiemooltha, Consolidated MineralsKalgoorlie Nickel Laterite, CVRD INCO, Heron Resources LtdAvalon (Bulong) Laterite, LionOre Mining International Ltd
Northern Eastern GoldfieldsProspero, Tapinos near Cosmos, Jubilee Mines NLCliffs and Yakabindi, BHPBHoneymoon Well, LionOre Mining International Ltd, OMG Inc,
Halls Creek regionCopernicus, Sally Malay Mining Ltd
Pilbara regionSherlock Bay, Australian Resources Ltd, Davenport Pty LtdMt Scholl Nickel, Fox ResourcesLtd
Western Australian nickel mines, 2006
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NiRecent exploration success
Kambalda district - Junior companies exploring and developing nickel sulfide depositsMcLeay ( 0.344 Mt at 6.9% N), near Victor South, Independence Group NLNorth Miitel, South Miitel, Mincor ResourcesE.g. Pioneer Nickel, Australian Mines, Oroya Mining, Jupiter Mines, Images Resources, Barra Resources
PilbaraRuth Well, Consolidated Minerals, Fox ResourcesDalton, Giralia Resources, Haoma Mining
Northern Eastern GoldfieldsNickel sulfide at Collurabbie, BHPBTapinos, Anomaly 1, Alec Mairs (near Cosmos), Sinclair; Jubilee Mines NLWiluna, Argincourt Resources Ltd
Forrestania – T5, T5 South, $2, T Zero North at Flying Fox, Western Areas NLKimberley –Copernicus North, Sally Malay, Thundelarra ExplorationUse of deep penetrating EM effectively explores depths of 150–500 m
Exploration expenditure $114.9M (2005/06)
Ranking of Western Australian deposits by contained Ni
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Western Australian nickel sulfide and nickel laterite resources i 1996
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Western Australian nickel mines, deposits and prospect/exploration sites, 2006
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Ni Exploration Targets
Orthomagmatic - komatiitesKambalda district (Ni, Cu)Northeastern Goldfields – Mt Keith, Leinster, Collurabbie (Ni, Cu, PGM)Forrestania district
Orthomagmatic - mafic and ultramafic intrusions (similar to Voisey’s Bay)Radio Hill (Pilbara Craton)Musgrave (Musgrave Complex)Sally Malay (Halls Creek Orogen)
Orthomagmatic - mafic and ultramafic intrusions in shear zonesPilbara Craton: Sherlock Bay and Worthy-Highway deposits, Sholl and Tabba Tabba Shear zonesHalls Creek Orogen, Albany Fraser Orogen, Paterson Orogen
Orthomagmatic - mafic hosted in large igneous provinces (LIP) (similar to Noril’skstyle)
Pilbara Craton: Sherlock Bay and Worthy-Highway deposits, Sholl and Tabba Tabba Shear zonesHalls Creek Orogen, Albany Fraser Orogen, Paterson Orogen
Laterite deposits Murrin Murrin (Ni, Co), Ravensthorpe (Ni, Co), Kalgoorlie region (Ni), Wingellina (Ni, Co)
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Cu-Pb-ZnConclusions
World demand for Cu-Pb-Zn continues to increase
Increased base metal activities in Western Australia with opening of Whim Creek, Jaguar, and Magellan mines
Work continues on Lennard Shelf and expansions planned in Nifty
Telfer (Au–Cu) reopened, Boddington (Au–Cu), Sulphur Springs (Cu) to start production
Cu–Pb–Zn exploration recovering - unrealistically low considering potential
Potential for Cu-Pb-Zn discoveries– size of WA, geological diversityYilgarn Craton
Pilbara Craton
Albany–Fraser Orogen
King Leopold and Halls Creek Orogens
Earaheedy, Edmund Basins (Caricorn Orogen)
Canning Basin
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NiConclusions
Western Australia - third largest producer of nickel in the world
Large resource base attracting major players – INCO, BHPB and NORILSK
Great success stories for small explorers
Small miners becoming mid-tier companies
New greenfield provincesBabel in Musgrave ComplexCollurabbie in Gerry Well greenstone belt
Outlook - additional nickel production from nickel laterite - BHPB’sRavensthorpe and INCO/Heron’s Kalgoorlie Project
Enormous large igneous provinces (LIPs) in Kimberley, Capricorn Orogenunder explored
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NIFTY
Aeromagnetics -North Paterson Orogen
Geological Survey of
1:100 000 mappingGascoyne Complex, Bangemall Supergroup
Geological Survey of
I:100 000 scale mapping Gascoyne Complex – Bangemall Supergroup
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Mineral occurrences in the Kimberley
Lamboo Complex- Precious metal
- Base metal
- Speciality metal
- Diamond, semi-precious stone
- Energy mineral
- Industrial mineral
- Iron
- Construction material
Sally Malay
Lennard Shelf
Pillara
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Yangibana
Brockman
John Galt
Mt Weld(under development)
Cummins Range
CundeeleePerth
Rare Earth projects WA
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REE Projects WAMt Weld Carbonatite plug Lynas Corp Ltd - 18yr mine life -
processing in China
Cundeelee
Mulga Rock
Cummins Range
Brockman
John Galt
Yangibana
Carbonatiteaffinities
M.R. Dalla-Costa (pending) - buried by 350m Permian
Lignite hosted U, Sc
Eaglefield Holdings P/LUranium Equities Ltd
Carbonatite Navigator Resources Ltd
Trachytic ash-flow tuff
ABM Resources NL (pending)(formerly Tantalum Aust P/L)
Pegamatite -xenotime
AJ Exploration Geology P/L(pending)
Carbonatite dykes Vistarise LtdAztec Resources Ltd (pending)
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LegendW (Mo)
Au - Sb
Pb - Zn - Sb
Sb
Antimony and tungstenWestern Australia
Perth
Broome
Carnarvon
0 500
Kilometres
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LegendW (Mo)
Au - Sb
Pb - Zn - Sb
Sb
Carnarvon
Karratha
O’CallaghansNullagine
CookesCreek
Friendly Creek
Balla Balla
Eastern Hills
Mount Alexander
PilbaraCraton
Officer Basin
Paterson Orogen
YilgarnCraton
Gascoyne Complex
Capricorn Orogen
0 200Kilometres
Sb and W Pilbara – Gascoyne –Paterson - Capricorn
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Sb and WYilgarn Craton
LegendW (Mo)
Au - Sb
Pb - Zn - Sb
Sb
Perth
Noongal
Callie Springs
Wiluna
Mount Gibson
PaynesFind
Norseman
Westonia
Mount Mulgine
Coolgardie
Davyhurst
Erlistoun
Burtville
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Western Australia
Geological diverse and large size WA - provides great opportunities in base metals exploration and mining
On-going programs to collect and distribute new geoscience information
Wide ranging opportunities join fledgling, mid size or mature projectsinitiate new projects
Visit our website www.doir.wa.gov.au/gswaGeoviewMinedex
Visit websites e.g. www.intierra.com.auLarge number of projects in WA
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Nickel and Cu Pb Zn properties in WAFrom Intierra – Minmet web site
Operating 29 15
Construction 3 3
Feasibility 12 9
Pre-feasibility 11 3
Advanced exploration 59 32
Exploration 273 194
Property status Ni Cu Pb Zn
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Thankyou
Questions
Western AustraliaGeological Survey of
www.doir.wa.gov.au/gswa