Oceanagold Corporation · TSX:OGC
Oceanagold — Technical Presentation (March 2015)
24 slides from Oceanagold's technical presentation, Mar 16, 2015
Slide 1: Macraes Operation Analyst Site Visit Presentation
Macraes Operation Analyst Site Visit Presentation 16 March 2015
Slide 2: Cautionary Notes
Cautionary Notes Cautionary Notes - Information Purposes Only The information contained in this presentation is provided by OceanaGold Corporation (“OGC”) for informational purposes only and does not constitute an offer to issue or arrange to issue, or the solicitation of an offer to issue, securiti
Slide 3: New Zealand 2015 Guidance
New Zealand 2015 Guidance Drop in diesel price, weaker New Zealand dollar has driven operating costs lower Municipality OGC operation OGC project/tenement Auckland REEFTON Wellington Blackwater Christchurch Round Hill MACRAES FRASERS Dunedin 3 OceanaGold Corporation Innovation Performance Growth
Slide 4: NZ Operations Historical Production
NZ Operations Historical Production On 17 March 2014, our four millionth ounce of gold was poured for the NZ Operation 350,000 90.0 300,000 80.0 70.0 250,000 Recovery (%) 60.0 200,000 50.0 Production (oz) 150,000 40.0 30.0 100,000 20.0 50,000 10.0 0 0.0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1
Slide 5: Macraes Operation Overview
Macraes Operation Overview Open Pit and underground operations, with a flotation/POX/CIL processing plant ~ 500 permanent personnel 427 OceanaGold employees; and 73 site based contractors Residential operation: typically within 30 to 70 minutes Company provides bus services from Oamaru and Dunedin 5
Slide 6: Experienced Management Team
Experienced Management Team Bernie O’Leary General Manager & Senior Site Executive • Over 30 years industry experience • Mining engineer with extensive open pit and underground experience • Worked extensively in Australia, North and South America and New Zealand • Track record of delivering on opera
Slide 7: Orientation
Orientation 7 OceanaGold Corporation Innovation Performance Growth
Slide 8: Macraes Open Pit
Macraes Open Pit Mine Type Open Pit Large open pit operation since 1990. Eleven pits mined to date. Resources1 Gold (Moz) 3.15 1.23 Reserves1 Gold (Moz) New TSF commissioned in 2014 Estimated Mine Life ~2017 Gold Production (ounces) ~90 – 110k 1As at December 31, 2013. Full Resource/Reserve table av
Slide 9: Macraes Open Pit
Macraes Open Pit Ore is within a flat dipping ore shear zone (20-25 deg) comprising a hanging wall lode and quartz stockwork. Dominant sulphide association is pyrite with some arsenopyrite. Host rock is schist comprising metamorphosed siltstones (semi-pelite) and metamorphosed sandstone (psammite).
Slide 10: Macraes Open Pit Fleet
Macraes Open Pit Fleet Mine Fleet Model No. Extra Details EX2500 1 Gross weight - 250t and payload - 30t Excavators (Hitachi) 5230B 1 Gross weight - 317t and payload - 32t EX3600 2 Gross weight - 350t and payload - 39t Dump Trucks 789C 18 Gross vehicle weight – 318t and payload – 180t 785C 1 130kL W
Slide 11: Frasers Underground
Frasers Underground Mine Type Underground Commissioned in January 2008 Resources1 Gold (Moz) 0.86 Reserves1 Gold (Moz) 0.12 Employees 181 personnel Estimated Mine Life end of 2016 Gold Production (ounces) ~40 – 50k 1As at December 31, 2013. Full Resource/Reserve table available at Ore body is the do
Slide 12: OceanaGold Corporation Innovation Performance Growth
12 OceanaGold Corporation Innovation Performance Growth
Slide 13: Frasers Underground
Frasers Underground 24/7 operation, with 4 crews – 12 hour shifts. Mining method is long-hole retreat with tele-remote loading operations. No backfill. Mining recovery ~65% Equipment: 2 x solo production drills 6x 50t trucks 3 x twin boom jumbos Production: 5 x LHD’s 1 x cable bolter Mill feed: 900k
Slide 14: Frasers Underground – It Keeps Growing
Frasers Underground – It Keeps Growing 14 OceanaGold Corporation Innovation Performance Growth
Slide 15: Macraes Processing Plant
Macraes Processing Plant Mill throughput of 5.8 Mtpa with a dual Leaders in new technology application, flash train SAG/Ball Mill Circuit flotation, pressure oxidation, OK 300m3 float cells, fine grinding with Isa mill and preg- robbing management Crushing, grinding, flotation, fine grinding, pressu
Slide 16: Sulphide Ore Process Flowsheet
Sulphide Ore Process Flowsheet MACRAES PROCESSING PLANT FLOWSHEET RECLEANERS 6x16 m³ Run-of- mine EMERGENCY ore FEED CYCLONES CLEANERS 4x38 m³ ROM BIN Scats UNIT CELLS AND CLEANERS CLEANER- BALL MILLS SCAVENGERS 5x38 m³ JAW GRIZZLY CRUSHER SAG Run-of- MILL 01 MILL 02 mine ore MACRAES VENT ROM CON 15
Slide 17: Autoclave
Autoclave Recovery improvement realised was Refractory gold associated with sulphides approximately 10% overall Pressure oxidation autoclave (30 bar and Reefton concentrate is highly refractory 220ºC) was commissioned in 1999 and makes for an ideal autoclave feed 17 OceanaGold Corporation Innovation
Slide 18: Sound Environmental Management
Sound Environmental Management An unwavering commitment to the environment today, for tomorrow Native Fauna Ecology Rehabilitation • Creation of lizard rock piles to • Three covenant areas • Restoring lands to support provide additional habitat showcasing natural vegetation grazing Water Rainbow Tro
Slide 19: Investing in Our Local Community
Investing in Our Local Community Working together with our community to leave a positive, long lasting legacy EDUCATION SUSTAINABLE DEVELOPMENT COMMUNITY Macraes Development INVESTMENT Community trust established this year Education Sports and Socio-Cultural (NZ$2.3M) Health and Research Sustainable
Slide 20: Macraes Operation Looking ahead
Macraes Operation Looking ahead Frasers underground mine expected to Production at Macraes will be steady in continue to end of 2016. Continuing to explore 2015, lower in Q1 vs Q4 last year down dip. Stepping up exploration effort. NZ$8M Continuing Round Hill study spend over next 2 years 20 Ocean
Slide 21: Regional Exploration – Macraes South
Regional Exploration – Macraes South Evaluating line of strike potential Macraes South area extends south of Golden Bar where the topography drops around 100 metres and includes the last 8 kilometres of the HMSZ and Eastern Lodes before it is buried by tertiary sediments. Home Reef: southern extensi
Slide 22: Regional Exploration – Macraes North
Regional Exploration – Macraes North Evaluating line of strike potential Macraes North comprises a 7 kilometre section of the HMSZ north of Deepdell. The eastern lodes are approximately 1.5 kilometres to the north and include Bruhns, Mt Highlay and Mareburn. Mt Highlay / Bruhns Lode: area of old wor
Slide 23: Underground – 2015 Proposed Drilling Plan
Underground – 2015 Proposed Drilling Plan Two phases of exploration drilling from 2EX3 targeting the area east of current Panel 2 development. Cost approximately NZ$2.5M Completion of the 1D jump up rise drill program Phase one consists of 10 holes for a total of 2,285 metres. Phase two drill holes
Slide 24: Growth Opportunity – Round Hill / Frasers
Growth Opportunity – Round Hill / Frasers Under concept, potential exists for a mine extension Round Hill / Frasers Tungsten Project Round Hill / Frasers Au + WO3 Optimisation Mine gold and tungsten mineralisation from open pit extensions of Round Hill and Frasers Frasers Construct a new processing