Investigator Silver Limited · ASX:IVR
Investigator Silver — Investigator Resources — Australian Institute of Geoscientists Conference 2014
33 slides from Investigator Silver's conference presentation, Jun 5, 2014
Slide 1: ASX/Media Release: Australian Institute of Geoscientists Conference
ASX/Media Release For personal use only 5 June 2014 Australian Institute of Geoscientists Conference Attached is a technical geological presentation to be delivered by Investigator Resources (ASX: IVR) Managing Director Mr John Anderson at the Australian Institute of Geoscientists Conference in Adel
Slide 2: The Paris silver discovery
ASX : IVR For personal use only The Paris silver discovery Persistent application of research & a minerals system approach in the making of the Uno Province John Anderson Australian Institute of Geoscientists Conference What makes a Major Mineral Discovery? Adelaide 6th June 2014 First diamond core
Slide 3: Disclaimer
Investigator Resources Ltd ASX Code: IVR Disclaimer For personal use only The information in this presentation is published to inform you about Investigator Resources Limited and its activities. Some statements in this presentation regarding estimates or future events are forward looking statements.
Slide 4: IVR Philosophy: The Australian exploration challenge & opportunity
IVR Philosophy: The Australian exploration challenge & opportunity Australia is not exploration mature – shallow discoveries are still to be made For personal use only 83m average cover depth for all metal discoveries in Australia over last 10 years (Canada 129m)* What you look for & how you look, w
Slide 5: Concept of the Uno Province: OD-aged epithermals & potential porphyries
Concept of the Uno Province: OD-aged epithermals & potential porphyries Uno Province Paris silver discovery confirms new For personal use only epithermal silver province with multi- metal & porphyry copper potential IVR is on a volcano hunt in the northern Eyre Peninsula Investigator Targets silver
Slide 6: Now - Paris subvolcanic model: new target style for SA
Now - Paris subvolcanic model: new target style for SA Australia Paris Deposit Model Section: Expected repetitions around Paris & in other fields Flat-lying subvolcanic epithermal breccia in multiple volcanic centres along mineralising structures For personal use only Paris soil signature Porphyry c
Slide 7: How? Paris silver discovery: years, many steps & companies
How? - Paris silver discovery: 30 years, many steps & companies Paris Deposit Model Section: Expected repetitions around Paris & in other fields Flat-lying subvolcanic epithermal breccia in multiple volcanic centres along mineralising structures For personal use only Dec 2011 Cored 11.6m/3,649g/t Ag
Slide 8: The Making of the Uno Province 1983-1993
The Making of the Uno Province 1983-1993: BH-types to epithermals Conceptual Exploration Menninnie Dam For personal use only Year Era Epoch Regional field Paris field 1983 Magnetic Menninnie Dam BH Type stratigraphy & Govt Pb Zn study discovered by Shell Shell RAB drilled stratiform Pb isotopes for
Slide 9: Aberfoyle 1987-1994: BH-types, geophysical targeting & Pb isotopes
Aberfoyle 1987 – 1994: BH-types, geophysical targeting & Pb isotopes The fads were exploration for Broken Hill type deposits & lead isotopes. ARL became the biggest explorer at Broken For personal use only Hill based on airborne electromagnetics after Hellyer. Shell discovered Menninnie Dam on Eyre
Slide 10: Menninnie Dam 1990-92: Landsat & soil geochem signatures
Menninnie Dam 1990 - 92: Landsat & soil geochem signatures Although the Gawler Range Volcanics was supposed to be For personal use only a barren younger cover over the target basement, and ARL had success expanding MD by drilling through the GRV, we marvelled at how the mineral- isation could be see
Slide 11: Telephone Dam 1992: Confirmed the spectral/soil geochem approach
Telephone Dam 1992: Confirmed the spectral/soil geochem approach The next best Landsat signature was Telephone Dam with an For personal use only offset vegetation anomaly. Soil geochem showed the spectral signature won the day with gossan float located over the lead anomaly peak. Telephone Dam conti
Slide 12: Menninnie Dam 1993: The stepchange transition to the epithermal era
Menninnie Dam 1993: The stepchange transition to the epithermal era Petrologists & a PhD student consistently described low temperature sulphide textures at the northern “stratabound” end of MD & questioned the model. This was attributed by the BH-philes to remobilisation. For personal use only As d
Slide 13: The proto-Uno Province 1994: A refreshed exploration model & approach
The proto-Uno Province 1994: A refreshed exploration model & approach For personal use only 12
Slide 14: The Making of the Uno Province 1994-2007
The Making of the Uno Province 1994-2007 – false starts & new phases Year Conceptual Exploration Regional Menninnie Paris field Era Epoch Dam field For personal use only 1994 Subvolcanic Soil geochem Granite/structure/ First soil survey centred on epithermal for gold deposit patterns Nankivel (ARL);
Slide 15: The Paris field 1985-1992: BH-type exploration
The Paris field 1985 – 1992: BH-type exploration X Helen 1988 SADME magnetics Paris outcrop For personal use only 1985-1992 BH-type exploration – X Shell drilling of magnetic “stratigraphy” located rim of Nankivel granodiorite; Aberfoyle mapping of “prospective stratigraphy” located Nankivel rhyolit
Slide 16: The Paris field 1994-2000: Aberfoyle, MIM & Acacia came close
The Paris field 1994 – 2000: Aberfoyle, MIM & Acacia came close ARL soil geochemistry - lead 1994 First epithermal exploration – Aberfoyle geochem survey For personal use only • Silver signature at Paris X Helen outcrop • & lead Paris 1995/6 MIM epithermal mapping; found X 110g/t Ag outcrop; drilled
Slide 17: Paris field 2003-2006: Reassessment of prior geochem
Paris field 2003 – 2006: Reassessment of prior geochem 2005 “PH/CA” IOCG gravity epoch Southern Gold G1 & G2 targets For personal use only 2006 Reinterpretation of ARL soil geochem “HD” anomaly = Paris; epithermal metal suite X X 2012 IVR TL8 silver-in-soil map below for reference Helen Helen Paris
Slide 18: Hiltaba Granite study 1997-2003: orthodox interpretation
Hiltaba Granite study 1997–2003: orthodox interpretation 4 For personal use only 2 0 -2 Nd -4 OD felsic OD mafic -6 -8 OF mafic -10 0 5 10 U ppm15 20 25 30 Hiltaba Granites Nd > -2.5 Nd < -2.5; Olympic Dam region Olympic Domain Central GC Gold Province 17
Slide 19: Alternative interpretation: confirms corridor model
Alternative interpretation: confirms corridor model 4 Nd For personal use only 2 0 Tickera Kychering -2 Wudinna Nd Hiltaba Pennas Childara -4 Frogs Eyes Arthurton Waulkinna Arcoodaby OD mafic OD felsic -6 Buckleboo Cunyarie Charleston -8 OF mafic Gilles -10 0 5 10 U ppm15 20 25 30 Hiltaba Granite
Slide 20: Moonta Corridor: updated regional geological model 2010
For personal use only 19 Modern discoveries Peterlumbo Ag Au Historic mines epithermal field APPROXIMATELY 100KM Menninnie D.Pb Zn Ag Weednanna Au, Fe Key IVR projects Other IVR targets Jungle Dam EYRE PENINSULA iron ore project EYRE PENINSULA Middelback iron ore mines Mullaquanna U Moonta copper YO
Slide 21: Paris/Menninnie Dam districts: epithermal/IOCG model 2005
Paris/Menninnie IVR Share PriceDam districts: epithermal/IOCG model 2005 For personal use only 20
Slide 22: The Making of the Uno Province 2007-2011
The Making of the Uno Province 2007-2011 – zero-ing in on Paris Conceptual Exploration Regional Menninnie Paris field Year Era Epoch Dam field For personal use only 2007 Subvolcanic IVR regional Jungle Dam trials; Roll Progressive 1km to 250m soil epithermal soil geochem out of TL8 method; c. survey
Slide 23: IVR's tenure & proprietary soil geochem dataset
IVR’s tenure & proprietary soil geochem dataset (the how) as at 2010 Peterlumbo Genalysis partial leach TL8 geochemistry epithermal field For personal use only Victory Silver > 30ppb East Gold > 1ppb Jungle Dam area Botenella 0.4m @ 313ppm Ag Gate 50km Copper > 4ppm Uranium > 90ppb Vista Caralue Hop
Slide 24: Paris discovery within Peterlumbo district
Peterlumbo district: Paris discovery 2010new within prospecting of 250m Peterlumbo field grid soil anomalies Alexander North Paris South (now Argos) float rhyolite breccia For personal use only Soil cover Rhyolite outcrop or float Mineralising dykes Mineralised volcanic outcrops or float Early dykes
Slide 25: January 2011 - Scout drilling of coarse soil targets
January 2011 - Scout drilling of a variety of coarse soil targets: Paris highlighted by two of three shallow holes hitting silver to 190g/t Ag For personal use only 24
Slide 26: April 2011 Paris silver prospect: infill soil geochemistry
Paris2011 April silver– prospect Paris soil–geochem infill soil geochemistry plan on 100m grid anomaly infilled A large & coherent target For personal use only 25
Slide 27: July 2011 - Vertical aircore/hammer drilling
July 2011 – Vertical aircore/hammer drilling on 50m x 100m pattern: Paris recognised as large silver system with untested extensions in all directions intersections For personal use only 26
Slide 28: December 2011 - Diamond drilling: Line 7 cross section
December 2011 – Diamond drilling: 6 inclined holes mostly on Line 7 For personal use only Line 7 cross section Visible mineralisation - moderate Potential high-grade silver zone - strong 2011 aircore intersection Northeast High Grade Zone Intersection Western Deep Sheet PPDH 2 – massive sulphides (2
Slide 29: Paris breccias & interpretation: PPDH001 December 2011
Paris breccias & interpretation: PPDH001 December 2011 For personal use only Fluorite rhyolite breccias & dolerites intruding dolomite carbonate with strong epithermal alteration & silver lead zinc mineralisation in flat-lying sheets replacing carbonate 28
Slide 30: Exploration for deeper feeders during 2012
Exploration for deeper feeders during 2012 but…. IP geophysical image on section Line 7 early 2012 For personal use only Western Zone Central Feeder Zone? North Eastern Zone PPDH001: 4.75m @ 1,108g/t PPDH004: 0.5m @ 2,900g/t PPDH002: 11.6m @ 3,646g/t Ag Ag Ag possible feeder 100 metres 29
Slide 31: On-going resource drilling into 2013
On-going resource drilling into 2013: revealed host is mainly lateral breccias to central vent Silver associated with - hydrothermal breccias (purples) and suphide zones (yellow). For personal use only Palaeo-surface location - shallow at base of volcanics around vent & above basement dolomite. 200m
Slide 32: Current status of Paris silver project with expansion & satellite targets
Current status of Paris silver project with expansion & satellite targets • Peterlumbo JV (IVR 75% interest & Manager; Mega Hindmarsh 25%) For personal use only • Paris resource drilling 142 diamond drillholes (20,786m) • Positive outcomes • Maiden 20Moz silver Inferred Mineral Resource announced Oc
Slide 33: Government & university research continue to provide targeting ideas
Government & university research continue to provide targeting ideas e.g. A current mega thought: The SA haematite anomaly = The SA MT anomaly For personal use only CSIRO/Geoscience Australia public spectral images (left) + Heinson, Thiel & Soeffky (University of Adelaide); The Electrical Resistivit
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