TRI ORIGIN MINERALS LTD

Transcription

1 TRI ORIGIN MINERALS LTD Mines And Wines Conference September 2007 Woodlawn Zinc-Copper Projects ASX Code: TRO

2 DISCLAIMER The Information contained in this presentation has been prepared using the information available to Tri Origin Minerals Limited ( TRO ) at the time of preparation. This presentation contains forwardlooking statements that were based on expectations, estimates and projections as of the date of this presentation. Any forward-looking statement is subject to known and unknown factors which may cause actual results and developments to materially differ from those expressed by, or implied by the forward-looking statements in this presentation. External or other factors may have impacted on the business of Tri Origin Minerals and the content of this presentation since its preparation. Tri Origin Minerals does not undertake to update any forward-looking statements that are contained in this presentation, except in accordance with applicable securities laws. In addition, this presentation may not include all relevant information regarding Tri Origin Minerals. Tri Origin Minerals has taken all reasonable care in preparation of this presentation. However, the content of this presentation should not be relied upon in relation to any further action including investment in Tri Origin Minerals. Any person considering an investment in Tri Origin Minerals is advised to obtain independent financial advice prior to making an investment decision. Nothing in this presentation should be construed as to constitute an offer, invitation or recommendation to subscribe for, sell or purchase any security in any jurisdiction. Further information about Tri Origin Minerals is available at:

3 OVERVIEW The Rise Of The Phoenix Woodlawn Underground Woodlawn Retreatment Woodlawn Exploration Lachlan Fold Belt Exploration

4 GROWTH STRATEGY Develop Woodlawn Underground Operation Develop Woodlawn Retreatment Operation Discoveries Away From Existing Resources Offtake & Other Commercial Alliances

5 TRI ORIGIN RESOURCE BASE RELATIVE IN SITU METAL VALUES Total Resources Au 4% Ag 6% 20% Cu Mt Cu (%) Pb (%) Zn (%) Au (g/t) Ag (g/t) Measured % Pb Indicated % Zn Inferred TOTAL August 2007 Excludes Woodlawn North Tailings Dam Mineralisation Includes 6.6 Mt From Lewis Ponds Project

6 WOODLAWN Opportunity For An Integrated Underground And Retreatment Operation

7 WOODLAWN SETTING Veolia Site Operations Significant Infrastructure Rail Access To Port Skilled Workforce In Area Excellent Exploration Upside Project Startup Potential Approved Mining Lease Existing Infrastructure & Services

8 WOODLAWN UNDERGROUND Resource Category Tonnes % Tonnes Cu (%) Pb (%) Zn (%) Au (g/t) Ag (g/t) Measured 3,600, Indicated 4,980, Inferred 1,520, Total 10,100,

9 WOODLAWN BLOCK MODEL UNMINED RESOURCE BLOCKS (+7% Zn Eq) Looking North West BLOCK MODEL Looking Up And East

10 BFS MINE DESIGN PROCESS

11 UNDERGROUND TEST WORK 2 Stage Cleaning/Regrind (grind optimisation) Head Assay Primary Grind Establishment Rougher Flotation (grind optimisation) 2 Stage Cleaning/Regrind (test flow sheet) Locked Cycle Variability Tests 2 Stage Cleaning/Regrind (reagent optimisation) Current Stage Of Evaluation

12 THREE TAILINGS DAMS North Dam Previously Retreated South & West Dams - Not Retreated

13 WOODLAWN TAILINGS RESOURCE Resource Category Tonnes % Tonnes Cu (%) Pb (%) Zn (%) Au (g/t) Ag (g/t) Measured 3,890, Indicated 3,090, Inferred 1,610, Total 8,590, Potential For Up To Additional 2.5Mt In The North Dam

14 TAILINGS TEST WORK FLOWSHEET Cu & Pb Rougher Composite Dam Samples Grind Establishment Cu Rougher & Regrind Zn Tests on Cu & Pb Cleaning Zn Cleaner Cu, Pb & Zn Rougher & Cleaner Pb Rougher & Regrind Current Stage Of Evaluation POTENTIAL TO PRODUCE THREE CONCENTRATES

15 PROPOSED FLOW SHEETS Underground Project Crushing, Grinding Flotation Rougher/Cleaner Con Circuits Regrind To P80 ~25 micron Three Concentrates (Cu, Pb, Zn) ~80,000 tpa Design Throughput Rate ~400,000 tpa Retreatment Project Flotation (~1.5 Mtpa) Regrind Potential For Three Concentrates (Cu, Pb, Zn) >40,000 tpa Blend Retreatment And Underground Concentrates (?)

16 DEVELOPMENT KEY ISSUES Underground Project Resource Conversion To Reserve Mining Method For Sustainable Production Retreatment Project Metal Recoveries Site Rehabilitation Strategy Statutory Approvals

17 POTENTIAL DEVELOPMENT SCENARIO Project Year Woodlawn U/G? Tailings Retreatment Woodlawn Satellite??? Lewis Ponds U/G??? Development planned Operations Planned Potential Combined Operating Life of Plus 14 Years 2 Projects

18 WOODLAWN EXPLORATION World Class Zinc Province Potential To Define Significant Resources Polymetallic Geological Environment Trucking Distance Of Woodlawn

19 CULLERIN JOINT VENTURE EL 6292 TRO Earning 51% Historical Drill Data Hole No From (m) To (m) Interval (m) Au (g/t) Cu (%) Zn (%) WL WL WL WL WL

20 CULLERIN JV

21 LEWIS PONDS PROJECT 2.4 Mt 121g/t Ag, 2.7 g/t Au, 0.2% Cu, 2.6% Pb, 4.0% Zn

22 CONCEPTUAL MINE PLAN

23 SUMMARY NSW Focus Woodlawn Zinc-Copper Projects Multiple Projects Significant Upside Lewis Ponds Future Development Potential Excellent VMS Exploration Portfolio

24 Potential Mkt Cap Growth Target Prod'n 3Q 09 Project Approvals/Funding Mid 08 Project Go Ahead Mid 08 Potential Mkt Cap as at 1Q08 BFS Results 1Q 08 GROWTH POTENTIAL Woodlawn BFS Progress To Date Relative Market Capitalisation 2004 Company raised $5 M Sep 06 - Veolia agreement Oct 06 - Underground Resources Mkt Cap as at Jan 07 June 07 Tailings Resources Commercial Agreements