Slide 1: Tropicana Gold Mine
For personal use only Tropicana Gold Mine MAY 2014 August 2015 Photograph by Davidson Folly-Hans, AGAA Technician - Processing
Slide 2: Disclaimer
Disclaimer Certain statements contained in this document, other than statements of historical fact, including, without limitation, those concerning the economic For personal use only outlook for the gold mining industry, expectations regarding gold prices, production, cash costs, all-in sustaining c
Slide 3: Independence Group NL Cautionary Notes and Disclaimer
Independence Group NL Cautionary Notes and Disclaimer For personal use only This presentation has been prepared by Independence Group NL (“IGO”) (ABN 46 092 786 304). It should not be considered as an offer or invitation to subscribe for or purchase any securities in IGO or as an inducement to make
Slide 4: Tropicana Gold Mine – location
Tropicana Gold Mine – location For personal use only 4
Slide 5: Tropicana Gold Mine – key facts (100%)
Tropicana Gold Mine – key facts (100%) Location: 330 km ENE of Kalgoorlie in Western For personal use only Australia Ownership: AngloGold Ashanti Australia Ltd (70% and manager), Independence Group NL (30%) Production CY 2014: 510,967 oz at total cash cost of US$545/oz and AISC of US$752 (AGA costs)
Slide 6: Tropicana June quarter details (100%)
Tropicana June quarter details (100%) For personal use only • Production: 115,509 ounces • Throughput: 1.43 Mt • Head grade: 2.73 g/t • Recovery: 90.3% • Material mined: 5.9 million BCMs • Waste mined: 11.5 wmt 6
Slide 7: Tropicana - mining
Tropicana - mining Macmahon Mining Contract For personal use only ► Load and haul ► Short term planning ► Drill and blast ► MineStar FMS operation ► Grade control (Wallis Drilling) ► Bulk and selective mining ► Crusher feed ► Bulk TSF lifts ► Carey Mining (indigenous labour/equipment) Form of Contra
Slide 8: Reconciliation
Reconciliation For personal use only MCF: Mine delivered 2.95g/t vs plant accounted 2.95g/t (July2014 to June2015)
Slide 9: Tropicana – the next phase
Tropicana – the next phase For personal use only Debottleneck plant • Nameplate design capacity of 5.8 Mtpa • Optimised to ~6.5 Mtpa at 90% availability • Study underway to identify opportunities to lift throughput to 7.0-7.5 Mtpa Identify extensions to Tropicana and Havana ore bodies • Drilling to
Slide 10: Tropicana - processing flow sheet
Tropicana - processing flow sheet For personal use only Coarse Ore Stockpile HPGR Feed Bin Primary Secondary Crusher HPGR Crusher Over Size Ore Stockpile Fine Ore Ball Mill Stockpile TSF CIL 10
Slide 11: Conceptual mining model
Conceptual mining model Extensions to current ore body may offer potential for a large scale cutback For personal use only • Large cutback mined as a starter pit then strip mined • Similar mining principles to open pit coal mining • Low mining cost through: • Larger equipment, particularly shovels •
Slide 12: Conceptual mining model – strip mining concept
Conceptual mining model Strip mining concept For personal use only Starter Pit Blocks are hauled ex-pit 4 Hauled ex-pit In-pit dump Starter Pit Build haulage ways into wall design Hauled ex-pit In-pit dump
Slide 13: Gas pipeline project
Gas pipeline project • Agreements signed in July 2014 For personal use only with APA Group to transport natural gas to Tropicana via 292 km pipeline • Improved domestic gas supply and pricing = window of opportunity • Gas removes exposure to diesel price volatility, reduces unit costs and ensures co
Slide 14: Exploration – near-mine & regional
Exploration – near-mine & regional Dual stream approach for exploration at Tropicana-Madras- For personal use only Tumbleweed Domain Tropicana: Tropicana JV • Resource expansion programme at Tenements Tumbleweed Tropicana Gold Mine • Regional exploration to new Mineral Resources within operational r
Slide 15: Near-mine exploration
Near-mine exploration Exploration focussed on growing Resources and finding new extensions: Boston For personal use only Shaker • Testing targets at Tropicana, Havana South / Mine Crouching Tiger. North • Follow-up drilling currently underway at Tropicana and Crouching Tiger. • 3D Seismic data – int
Slide 16: Near-mine exploration
Near-mine exploration Drilling For personal use only Hole Completed, Assay Awaited Hole Completed, Assays Recv’d Intercept Point (G x M) Tropicana 1km Havana Boston Shaker Havana Sth Crouching Tiger Crouching Tiger: Havana South: Havana North / Tropicana Ext: 8m @ 3.48g/t Au 19m @ 1.15g/t Au Swizzle
Slide 17: 3D seismic targeting: Crouching Tiger
3D seismic targeting: Crouching Tiger Havana For personal use only Tropicana Havana Boston Shaker Havana Sth Havana Sth Crouching Tiger Crouching Tiger: 8m @ 3.48g/t Au (within 52m of 0.2-0.8g/t Au) Crouching Tiger 300m
Slide 18: 3D seismic targeting: Boston Wedge
3D seismic targeting: Boston Wedge Crouching For personal use only Tiger Tropicana Boston Shaker
Slide 19: Regional exploration – Madras Prospect
Regional exploration – Madras Prospect Madras: For personal use only • Zone of supergene mineralisation identified • Primary mineralisation associated with biotite-sericite- pyrite schist between Proterozoic granite hangingwall and Archean gneiss footwall • Results from the primary mineralisation to
Slide 20: Regional exploration – Madras Prospect
Regional exploration – Madras Prospect Madras – Q2 For personal use only RC / DDH 100m results Envelope of Results mineralisation Q2 Q1 MARC070 4m @ 1.11 g/t Au from 127m 6m @ 1.18 g/t Au from 135m MARC072 MAD007 6m @ 1.19 g/t Au from 159m 10.4m @ 1.71 g/t Au from 81m A A’ 4m @ 2.05 g/t Au from 109m
Slide 21: Regional exploration – Madras Prospect
Regional exploration – Madras Prospect A A’ 6,735,000mN For personal use only 6m @ 0.18 g/t Au 12m @ 0.75 g/t Au 44m @ 1.07 g/t Au 2.9m @ 1.1 g/t Au 17m @ 4.22 g/t Au 100m 100m 2m @ 1.64 g/t Au 120m 10.4m @ 1.71 g/t Au 4m @ 1.11 g/t Au 4m @ 2.05 g/t Au 6m @ 1.18 g/t Au 150m 198.3m 198.4m REGOLITH BA
Slide 22: Regional exploration – Madras Prospect
Regional exploration – Madras Prospect B B’ 6,734,925mN For personal use only 60m 72m 84m 100m 100m 100m 108m 9m @ 2.03 g/t Au 1m @ 0.74g/t (EOH) 4m @ 1.53 g/t Au (EOH) REGOLITH BASEMENT Transported Mafic Dyke Upper Saprolite Granite Lower Saprolite Chl Schist GOLD CONTOURS Bi-Sr Schist >0.1 g/t Au