Gyro Australia Pty Ltd Advanced Spatial Surveying High Speed & Continuous

Drilling – Maximising Value and Effectiveness

James Buchanan – BSc (Hons) Geology, MAusIMM Goldfields Business Person of the Year 2012

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Bringing Offshore Oil & Gas Technology to the Hard Rock Mining Industry

Scientific Drilling: Keeper Gyro Technology

True North Seeking – Independent Collar Azimuth / No Pre-Cal

High Speed – Up to 700 Meter Diamond in 1 Hr of Rig Time

Real Time – Live Data Output at Surface / Not Memory Based

Continuous – Surveying Actual Hole Curvature

Houston, Texas, USA

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

1. Eastern Goldfields 2. Murchison

Market Service Areas 3. Tanami 4. Charters Towers

International Interest: SE Asia / Africa / Canada / Middle East - Mining & Civil Engineering Services

Gyro Directional Surveying Surface & Underground EMS Open Hole Magnetic Surveying Surface & Underground

Underground Uphole Blast Hole Nifty Lift – Personnel Access – No Site IT

5. Queensland

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Gyro Australia – Working With

Bullabulling Gold Phoenix Gold Barrick Ramelius Resources Cashmere Iron RUC Carrick Gold Bogada Gold Doray Minerals Silver Lake Resources Evolution Mining Silver Swan Group Focus Minerals St Barbara Mines Gold Fields St Ives Surface & Underground Paddington Gold Heron Resources Newcrest Independence Group Lighting Nickel Excelsior Gold Independence Group Jaguar Xstrata Nickel KCGM Northern Star Resources MacPhersons Resources Saracen Gold Newmont Sandfire Resources Flinders Minerals Sirius Resources Norilsk Nickel MMG Golden Grove Panoramic Resources Western Areas

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

(Ref: Geomagnetism Natural Resources Canada)

Planet Earth’s Magnetic Field

Non-stationary / Regional Fluctuations / Polar Reversals

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Ellesmere Island

Northern Canada

80 Km per Day

15km per Year

(Ref: Geomagnetism Natural Resources Canada)

Historical Trace Historical Data of drifting Magnetic North

situated over Northern Canada

• Currently situated over Northern Canada

•Drifting at approximately 15 km per year

• Daily movement of up to 80 Km per day

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Earth’s Known Constants

• Earth’s Circumference is measured at 40,064 km’s

• Earth Rotates at a constant speed of 1670 km’s per hour /

calculated at 15.041 deg ph

(Only fixed point on a rotating circular body)

Rotational True North / Spin Axis

Magnetic North Pole

Northern Hemisphere

Southern Hemisphere

Rotation

Rate Gyro Principle True North Seeking

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

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1. Single shot End-of-Hole 2. Limited Multi-shot 3. Multi-shot hole survey

4. Continuous Hole Survey

Schematic Representation of a drill hole trace

Accuracy Quality Control Confidence Productivity

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Keeper Gyro - Positional Accuracy Surveying Actual Hole Curvature

1000m

Not to scale

10cm

10cm

10cm

10cm

10cm

10cm

Repeatability & Accuracy

Data Supplied: Cashmere Iron

290m

540m

675m

990m

Meters

Meters

Meters

Spatial Positioning

Target Points

Range 10cm x 10cm

Define high grade narrow vein ore bodies at depth

Provide Geologists & Drillers with an In-Ground Guidance System

Drill to X,Y,Z Target Locations

JORC Compliant Directional Surveying

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Directional Surveying

• Defining high grade narrow ore bodies at depth - Physical dimensions

• Providing Geologists & Drillers with an in-ground guidance system

• Drilling to X,Y,Z - Target Locations

Data Supplied: Catalpa Resources

Target Hit: 25cm at 575m

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

La Mancha Resources

JSW Drilling - June 2012 - Frogs Leg

Target Hit - 248m 5m x 5m Underground Drive (Hole Deviation Accuracy < 1%)

248m

Steve Payne – Operations Director JSW Drilling

“To pull off the unthinkable and steer / navy drill an RC hole to less than 1% off target over 248m with Gyro Australia’s High Speed Keeper Gyro was a significant mile stone for our company in service and capability.”

X Marks

the Spot

Breakthrough 40cm

Technology Partner

GYRO AUSTRALIA Pty Ltd www.gyroaustralia.com.au

SDI Keeper Gyro • True North Seeking • High Speed • Real Time • Continuous

Increase Productivity Maximise drilling data recovery

Minimise rig down time Define & Deliver your resource with confidence

High Speed & Continuous Keeper Gyro:

True North Seeking: Independent hole collar azimuth pickup up

No pre-calibration or tool alignment required Not magnetically effected: BIF / Metalliferous hosting

High Speed: Directional surveying on-the-fly > 50 meters per minute

700 meter hole being spatially surveyed within 1 hour of rig downtime

Real Time: Live at the rig, real-time data output at surface

Not a memory tool / no post processing required

Continuous: Actual hole curvature surveyed not individual survey points

Gyro Australia Pty Ltd

Thank You

James Buchanan – BSc (Hons) Geology, MAusIMM Goldfields Business Person of the Year 2012