Orion Minerals Limited · ASX:ORN
Orion Minerals — Orion Gold NL — Technical Presentation (July 2013)
21 slides from Orion Minerals's technical presentation, Jul 15, 2013
Slide 1: Exploration Update: Connors Arch Epithermal Project
ASX Announcement / Media Release 15 July 2013 Orion Gold Project Locations Exploration Update: Connors Arch Epithermal Project Orion Gold NL (ASX: ORN) is pleased to present the attached Exploration Update with regards to exploration activities at the Connors Arch Epithermal Project in Queensland. E
Slide 2: Queensland Exploration
ASX Code: ORN www.oriongold.com.au Queensland Exploration July 2013 1
Slide 3: Disclaimer and Forward-Looking Statements
Disclaimer and Forward-Looking Statements • Certain statements contained in this presentation, including information as to the future financial or operating performance of Orion Gold NL and its projects, are forward-looking statements. Such forward-looking statements: • are necessarily based upon a
Slide 4: Australia & SW Pacific
Epithermal Au and Porphyry Au-Cu Australia & SW Pacific NEW ENGLAND FOLD BELT LACHLAN FOLD BELT • Epithermal and porphyry Au mineralisation styles dominantly hosted by magmatic arcs • Modern arcs located in settings such as the Pacific ‘Ring of Fire’ (in yellow) • In Eastern Australia, prospective ‘
Slide 5: Area selection: New England Fold Belt, Queensland
Area selection: New England Fold Belt, Queensland 200 km • NEFB in Queensland hosts numerous +1Moz Devonian through to Triassic aged epithermal and intrusion-related Au deposits • Many of these are Permian – Carboniferous aged systems and are intimately associated with intrusive lithologies (red) of
Slide 6: Area selection: New England Fold Belt, Queensland
Area selection: New England Fold Belt, Queensland 200 km • Stream sediment coverage is very good for most of the NEFB in Queensland • Au in streams (gridded image pictured) shows a number of NE-SW oriented trends, interpreted to coincide with ‘belts’ of Permo- Carboniferous aged intrusions focused a
Slide 7: Area selection: New England Fold Belt, Queensland
Area selection: New England Fold Belt, Queensland 200 km • Magnetic anomalies & mapped faults (black) coincide with some of the Au geochemistry trends (blue lines) • The intersection of NW and NE trends (at the regional scale) appears to exert a strong control over location of mineralisation 6
Slide 8: Area selection: New England Fold Belt, Queensland
Area selection: New England Fold Belt, Queensland 200 km • Gravity gradients coincide with a number of the Au geochem trends • At the regional/state scale, mineralisation is strongly related to the interplay between NE and NW trending structural elements 7
Slide 9: Queensland – Major Au deposits in the NEFB
Queensland – Major Au deposits in the NEFB Key to deposit age: Devonian – Carboniferous 200 km Permian – Carboniferous Permian - Triassic Red Dome 1.5Moz Ravenswood 4.1Moz Kidston 3.5Moz Mt. Wright 1.1Moz Mt. Carlton 1.35Moz Au, +30Moz Ag, +60kt Cu Charters Towers 16.6Moz (Production commenced 2013)
Slide 10: Connors Arc Epithermal Project
Connors Arc Epithermal Project 100 km • Orion’s Connors Arc Project area now comprises three exploration permit applications totaling 593km2 • Immediately along strike from the Mt. Mackenzie high sulphidation epithermal Au mineralisation - a very large, magmatic- hydrothermal system EPMA’s 19825, 25
Slide 11: Understanding The Opportunity
Understanding The Opportunity • Prior to major epithermal Au discoveries in the 1990’s (Pajingo, Cracow), the established belief was that ‘fossil’ (pre-Cenozoic) epithermal systems had low prospectivity, due to poor preservation potential… • Occurrences were often interpreted as the remnant, low gra
Slide 12: Epithermal systems – metal zonation
Epithermal systems – metal zonation Typical vertical metal zonation in low sulphidation epithermal gold systems Interpreted erosional level for key prospects in ORN project areas Modified after: Corbett & Leach, 1997 (Southwest Pacific rim gold Metal Zonation copper systems: Structure, alteration an
Slide 13: Aurora Flats Epithermal Au target
Aurora Flats Epithermal Au target 1000m • Sparsely and shallowly drill-tested low sulphidation epithermal quartz vein structure • The deepest intersections are ca. 80m below Aurora Flats surface, on two sections >800m apart! • Discontinuous outcrop/sub-crop of epithermal Prospect vein material over
Slide 14: Aurora Flats Epithermal Au target
Aurora Flats Epithermal Au target 500m AFRC002 • 4m @ 0.17g/t Au, 20ppm • Sparsely and shallowly drill-tested low Ag from 96m • Anomalous As halo to sulphidation epithermal quartz vein structure 155ppm B • The deepest intersections are ca. 80m below surface, on two sections >800m apart! • Discontinu
Slide 15: Aurora Flats Epithermal Au target
Aurora Flats Epithermal Au target A B 1.5km of prospective strike (minimum) Superficial cover – no surface expression of vein Au in soils anomaly Au in soils anomaly PDH510 • 2m @ 3.5g/t Au, 62g/t Ag AFRC001 from 46m • 2m @ 0.73g/t Au from 84m PDH512 Including: • 6m @ 0.3g/t Au, 1.0g/t Ag • 1m @ 1.1
Slide 16: Comparison with discoveries in the region - Cracow
Comparison with discoveries in the region - Cracow Modified after: Creenaune & Braund , 2001 (http:smedg.org.au/Sym01PC.htm ) 100m near- surface with characteristic geochem signature Drillhole intersection Target Deposit Style Example Schematic Long Section illustrating how early, shallow drilling i
Slide 17: Forward Program
Forward Program • Progress tenement applications to grant • Anticipate grant of first tenement in Q2 FY13-14 • Commence landholder liason/notice of entry requirements upon grant of first tenement • Continue capture, compilation and assessment of open file geology, geophysics and geochemical datasets
Slide 18: Appendix 1: Historic Drill Intercepts Tables
APPENDIX 1 HISTORIC DRILL INTERCEPTS TABLES 17
Slide 19: Historical Drill Intersections
Historical Drill Intersections Aurora Flats & Powerline historic drilling – calculated Au intercepts for drill holes displayed in presentation Collar details Significant intersections Magnetic Total Au Hole Easting Northing RL Dip From To Interval Au grade Ag grade Hole ID Azimuth depth Lower type (
Slide 20: Historical Drill Intersections
Historical Drill Intersections Aurora Flats & Powerline historic drilling – calculated Au intercepts for drillholes displayed in presentation (continued) Collar details Significant intersections Magnetic Total Au Hole Easting Northing RL Dip From To Interval Au grade Ag grade Hole ID Azimuth depth L
Slide 21: Competent Persons Statement
Competent Persons Statement Information in this report which related to Exploration Results and other technical information is based on information compiled by Mr Ben Spence (B.AppSc), who is a Member of the Australian Institute of Geoscientists. Mr Spence is a full-time employee of Orion Gold NL. H