Investigator Silver Limited · ASX:IVR
Investigator Silver — Investigator Resources — South Australian Exploration & Mining Conference 2015
20 slides from Investigator Silver's conference presentation, Dec 11, 2015
Slide 1: Paris to Province….Terroir to Terranes
Paris to Province….Terroir to Terranes Emerging Research & Discovery Opportunities For personal use only in the southern Gawler Craton INVESTIGATOR SOUTH AUSTRALIANASX RESOURCES : IVRWITH THE RIGHT TRACK RECORD EXPLORERS LIMITED WELL FUNDED & DRILLING John Anderson – Managing Director South Australi
Slide 2: Disclaimer & Competent Person Statement
Disclaimer & Competent Person Statement DISCLAIMER The information in this presentation is published to inform you about Investigator Resources Limited For personal use only and its activities. Some statements in this presentation regarding estimates or future events are forward looking statements.
Slide 3: Corporate Overview
Corporate Overview Capital Structure For personal use only ASX listed since 2007 IVR Shares (ordinary) 462.3M Options (Listed) 114.2M Options (unlisted) 20.6M Share Price (7 Dec 2015) 1.0c Options Price “ “ “ 0.2c Peter Harding-Smith CFO/Company Secretary Market Cap (A$m) $4.6M Cash (30 September 20
Slide 4: Investigator's Advances for 2015
Investigator’s Advances for 2015 Maintained persistent approach in the southern Gawler Craton with emphasis on scout drilling & good geology as a platform For personal use only for collaborative research & scientific exploration 1. 60% upgrade of Paris Inferred silver resource to 33Moz at same robus
Slide 5: Exploration focus on the southern Gawler Craton of SA
Exploration focus on the southern Gawler Craton of SA Geological resets are revitalising the discovery potential For personal use only New tenement applications 1. 2011 Paris silver discovery & revised 2015 resource (33Moz silver) 2 2. Concept of Uno Province with shallow-covered 3 epithermal deposi
Slide 6: Revised Paris silver Inferred Resource (November 2015)
Revised Paris silver Inferred Resource (November 2015) 8.8Mt @ 116g/t silver for 33Moz using 50g/t silver cut-off Oblique perspective view looking grid Tonnage-grade curves For personal use only northeast representing distribution of >50g/t average silver grade blocks (long axis of deposit is about
Slide 7: Silver deposit comparison
Silver deposit comparison: * Paris is a competitive silver project with grade & ounces • 33Moz silver only 500 • 116g/t silver grade 450 400 Imiter Overseas: generally • Perceived mining advantages: underground vein mines Shallow – open-pit Silver grade use 350 Bulk mining of breccia host (g/t)
Slide 8: Paris silver deposit: First pointers to a porphyry association
Paris silver deposit: First pointers to a porphyry association An Intermediate Sulphidation epithermal breccia SW NE Intermediate sulphidation attributes For personal use only Volcanic breccia host with sericite/ clay/manganese carbonate alteration Unconformity position at base of volcanics Graphiti
Slide 9: Excellent surrounding exploration potential
Excellent surrounding exploration potential: Anomalous limited outcrop ; Reliance on nose-to-ground mapping & scout drilling Gawler Ranges For personal use only Abundant volcanic outcrops Diomedes Argos Foreland plain Paris Helen Limited but altered outcrop offers lead-ins to targets Alexander Nanki
Slide 10: Initially targeted by empirical soil geochemistry
Initially targeted by empirical soil geochemistry (e.g. silver): Limited by variable transported cover e.g. talus & alluvium subdue soil response For personal use only Argos Helen Paris Alexander Talus apron Not explained by prior drilling; Possible vertical Imiter-style target Nankivel Hill Peterlu
Slide 11: Magnetics - Additional undercover view of faults, intrusives & basement
Magnetics - Additional undercover view of faults, intrusives & basement: IVR Modelling confirms prospective geometry of Uno Fault For personal use only Argos Diomedes Seeking Imiter style high-grade silver in Uno Fault Helen Paris Alexander Nankivel Hill Peterlumbo Hill Hector Investigator Resources
Slide 12: Paris-Nankivel mineral system: Prospective intrusives & alteration zoning
Paris-Nankivel mineral system: Prospective intrusives & alteration zoning point to targets along structural (horst) trend D: Helen copper For personal use only gold silver skarn Diomedes C: Nankivel Intrusive complex Prospective intrusives Nankivel Hill silica alunite pyrophyllite altered breccia (l
Slide 13: Paris-Nankivel mineral system: side-on view of magnetic model/drilling
Paris-Nankivel mineral system: Perspective side-on view of magnetic model/drilling showing key porphyry indicators & targets D: Helen B: Nankivel Hill Copper gold silver skarn High sulphidation E: “Bajo el Nankivel” For personal use only confirmed for magnetic target alunite pyrophyillite Magnetic t
Slide 14: Case for porphyry copper targets in Paris-Nankivel system
Case for porphyry copper targets in Paris-Nankivel system Strong comparison with standard porphyry model Definitive porphyry diagrams from Sillitoe Economic Geology (2010) Geology & deposits For personal use only Alteration mineralogy B: Nankivel Hill A: Paris B: Nankivel Hill D: Helen skarn E: “Baj
Slide 15: Researching our extensive datasets: copper-in-soils
Researching our extensive datasets: e.g. copper-in-soils took us into the Diomedes area & is inviting us back to Hector For personal use only Area of next slide Argos Diomedes Helen Alexander Paris Nankivel Hill Peterlumbo Hill Hector – soil copper target under channel Investigator Resources Ltd ASX
Slide 16: Diomedes basement nickel opportunity
Diomedes basement nickel opportunity: Between wide- spaced scout holes & under cover in Archaean? ultramafics 2011 & 2014 drill holes Shallow anomalous nickel For personal use only PPRC274 intersections to 0.4% Ni plus ultramafic confirmed PPRC276 with petrology PPRC317 plus ultramafic & fresh sulph
Slide 17: Case for nickel targets at Diomedes
Case for nickel targets at Diomedes: Widespread ultramafic, sulphide & nickel intersections Shallow Intersections are interpreted as primary Petrology identifies widespread with little lateritic enrichment metamorphosed ultramafic host For personal use only PPRC317 PLAC014 with disseminated fresh ir
Slide 18: Pulling the emerging model together along the new MT corridor
Pulling the emerging model together along the new MT corridor: Interpreted long-section showing vertical tectono-metallogenic concepts Uno Province – 1590 or 1620Ma subduction tectonics? (e.g. Betts et al., 2009) For personal use only (on horst) (Faulted N caldera margin?) Ni in older ultra- (Faulte
Slide 19: Review of IOCG targets under Stuart Shelf revitalised by MT Corridor
Review of IOCG targets under Stuart Shelf revitalised by MT Corridor Seeking untested gravity anomalies near source structures Example section:- Horst block interpreted from past drilling & public geophysics lifts the target GRV unconformity within 700m of the surface & provides a final stage fluid
Slide 20: Flow-on ideas & research opportunities for the southern Gawler Craton
Flow-on ideas & research opportunities for the southern Gawler Craton: C Current IVR collaboration; P Proposed IVR collaboration; R Recommended Paris is an intermediate sulphidation epithermal breccia of near Olympic Dam age - IVR initial model, iterative relogging, mineralogy, alteration chemistry
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