Hillgrove Resources Limited · ASX:HGO
Hillgrove Resources — SAREIC Conference (July 2018)
29 slides from Hillgrove Resources's conference presentation, Jul 31, 2018
Slide 1: Uncovering a New Copper-Gold Province at Kanmantoo
For personal use only UNCOVERING A NEW COPPER-GOLD PROVINCE AT KANMANTOO PETER ROLLEY IIIII CHIEF GEOLOGIST 31 JULY 2018
Slide 2: Disclaimer Statement
DISCLAIMER STATEMENT No representation or warranty is or will be made by any person (including Hillgrove Resources Limited ACN 004 297 116 (“Hillgrove”, “HGO”, or the “Company”) For personal use only and its officers, directors, employees, advisers and agents) in relation to the accuracy or complete
Slide 3: Competent Person Statements
COMPETENT PERSON STATEMENTS Competent Person's Statement The information in this release that relates to the 2016 Mineral Resource Estimate for Giant is based upon information compiled by Mr Peter For personal use only Rolley, who is a Member of The Australian Institute of Geoscientists. Mr Rolley i
Slide 4: Contents
CONTENTS For personal use only 1. KANMANTOO MINE – THE ASSET 2. KANMANTOO MINE – WHAT WE HAVE LEARNED 3. EXPLORATION UNDER & NEAR MINE 4. EXPLORATION IN THE REGION Utilising existing infrastructure and cash flow at Kanmantoo to create Company transforming mining projects 4
Slide 5: Location
LOCATION Hillgrove Resources Ltd (ASX:HGO) operates For personal use only the Kanmantoo Copper-Gold Open Pit in the south-east of South Australia. Located approx. 55kms from Adelaide Grid power, water on site Local labour force Awards for Community Consultation Leader in Environmental Rehabilitation
Slide 6: Multiple Structurally Controlled Lodes
MULTIPLE STRUCTURALLY CONTROLLED LODES The Kanmantoo Mine extracts For personal use only ▪ copper-gold-silver ▪ from a series of structurally controlled ▪ shears, lodes and breccias Original host rocks are greywackes, siltstones, sandstones Cu lode alteration is garnet, chlorite, staurolite Zone alt
Slide 7: Kanmantoo Mine – What We Have Learned
For personal use only 2. KANMANTOO MINE – WHAT WE HAVE LEARNED UNDERSTANDING THE EXPOSED GEOLOGY TO UNLOCK THE OPPORTUNITIES UNDER-COVER 7
Slide 8: Magmatic Activity Is Evident During Orogen
MAGMATIC ACTIVITY IS EVIDENT DURING OROGEN Earliest igneous activity For personal use only exposed within the pit are peraluminous dykes These are pre-D3 deformation, and pre-mineralisation – dating is in progress (Uni Adelaide – Dr R. Lilly) Dykes of coarse grained rose andalusite, apatite, biotite
Slide 9: Magmatic Activity Has Continued Through Orogen Time
MAGMATIC ACTIVITY HAS CONTINUED THROUGH OROGEN TIME Late, undeformed, alkali feldspar dykes at the For personal use only mine site are overprinted by destructive potassic feldspar alteration (Dr Roger Taylor) with Cu & Fe sulphides These dykes are syenites, monzonites to granodiorites and are minera
Slide 10: Garnets Coeval with Magmatism
GARNETS COEVAL WITH MAGMATISM For personal use only Dating of the copper-gold lodes shows a late Cambrian – early Ordovician age 469 +/- 17 Ma – Focke, 2010 (Monazite in garnet, 1km from open pit) 498 +/- 16 Ma – Focke, 2010 (Monazite in garnet, lode extension from pit) 492 +/- 7 Ma – Wilson, 2009 (
Slide 11: Exploration Under & Near Mine
For personal use only 3. EXPLORATION UNDER & NEAR MINE UTILISING EXISTING DATA AND KNOWLEDGE TO IDENTIFY NEW CU-AU TARGETS 11
Slide 12: Kanmantoo UG – Overall
KANMANTOO UG – OVERALL The Principal targets For personal use only in the wall of the Giant Pit are: East Kavanagh Nugent North-East Kavanagh (Schultze) Spitfire Central Kavanagh – main prize KEY TAKEAWAYS ▪ Significant >1.5% CuEquiv zones continue beyond open pit 12
Slide 13: Drill Hole Targets
DRILL HOLE TARGETS For personal use only KEY TAKEAWAYS ▪ Past drilling confirms UG targets and ready for infill drilling 13
Slide 14: Conceptual Underground Development
CONCEPTUAL UNDERGROUND DEVELOPMENT For personal use only KAVANAGH NUGENT LODES No PHES – 25m crown pillar Only the 4 Kavanagh Lodes shown plus Nugent KEY TAKEAWAYS ▪ Phase 1 of UG development now permitted and design work in progress 14
Slide 15: No Systematic Exploration Since 2008
NO SYSTEMATIC EXPLORATION SINCE 2008 The Mine Corridor has not seen any systematic For personal use only exploration since 2008 when the focus was on permitting the Kanmantoo open pit operations The Mine Corridor is ~5kms long Significant drill intercepts have not been followed up, including KTRC742
Slide 16: Blind Ore Zones?
BLIND ORE ZONES? For personal use only West Kavanagh NSI No significant mineralisation at surface and no historical workings 18.3m @ 0.4% Cu At >100m below surface is first economic intersection Compare these with the earlier near- 59m @ surface exploration intercepts that have 0.8% Cu not been foll
Slide 17: Exploration in the Region
For personal use only 4. EXPLORATION IN THE REGION EXTRAPOLATING KNOWLEDGE FROM KNOWN TO UNKNOWN 17
Slide 18: Location in the Cambrian
LOCATION IN THE CAMBRIAN The Kanmantoo Copper-Gold Mine is located For personal use only along the Tasman Line of the Delamerian Orogen of south-east South Australia. The Tasman Line (Foden et al, 2006) is interpreted to represent the intercontinental scale “Andean-type” deformation zone of the Kanm
Slide 19: Andean Type?
ANDEAN TYPE? A quick re-cap For personal use only Here is an interpretation of the Delamerian Orogen in south-east South Australia (after Belperio et al, 1998 and East West Foden et al, 2006) Kanmantoo is located in the rift basin – the Kanmantoo Trough And the Kanappa – Mt Rhine projects are locate
Slide 20: A Copper Gold Enriched Province
A COPPER GOLD ENRICHED PROVINCE The regional magnetics clearly show For personal use only the Kanmantoo Trough sedimentary basin and the magmatic arc (Padthaway Ridge) to the east Significant projects for Hillgrove within the Delamerian Orogen Tertiary and include Quaternary Cover Kanmantoo Cu - Au
Slide 21: Kanappa Cu-Au
KANAPPA CU-AU For personal use only The Kanappa Cu-Au zone is 50kms from Kanmantoo A series of pegmatites and aplites intrude into a sequence of Fe and potassic altered schists and carbonates Soil copper zone 4.4kms long Geochem zoning from west to east Cu-Zn => Cu-Bi => Cu-Au => Au => W Peak rock c
Slide 22: Kanappa – Isometric View of Copper Geochemistry & Mags
KANAPPA – ISOMETRIC VIEW OF COPPER GEOCHEMISTRY & MAGS For personal use only Copper Geochemistry East 3D Magnetic Model KEY TAKEAWAYS ▪ Magnetic anomalism is strong and not related to rock types, implying it is alteration related ▪ Best magnetic zones are correlated with the best geochemistry over 2
Slide 23: Kanappa – Isometric View of All IP
KANAPPA – ISOMETRIC VIEW OF ALL IP North For personal use only 2 km long zone of coincident Geochemistry, Magnetics, IP Chargeability 250m wide Open to south KEY TAKEAWAYS ▪ Large scale coincident Cu-Au geochem, magnetics, and IP anomaly ▪ Strong alteration system proximal to Igneous Arc magmatism t
Slide 24: Mt Rhine Cu-Au
MT RHINE CU-AU The Mt Rhine copper-gold zone For personal use only 13% Cu is 10kms from Kanappa Soil copper zone 1.7kms long 49g/t Au Peak rock chips of 13% Cu 49.8g/t Au (separate samples) Peak Channel Sampling of 6m @ 15.9g/t Au Much higher gold tenor cf Kanappa Also completed soils, mags, IP KEY
Slide 25: Mt Rhine Cu-Au
MT RHINE Cu-Au For personal use only 1.7 kms long zone of Chargeability, Section line for next slide Magnetics, & Cu geochemistry IP Chargeability model on 200m sections North Magnetic 3D Model KEY TAKEAWAYS ▪ Stacked sections of IP chargeable model, with 3D magnetic model superimposed ▪ Continuous
Slide 26: Mt Rhine Cu-Au – Best Cross Section
MT RHINE Cu-Au – BEST CROSS SECTION For personal use only East Cu Soil anomaly IP Chargeability model 3D Magnetic model KEY TAKEAWAYS ▪ Mt Rhine has a strong zone of Cu geochemistry, magnetic and IP Chargeability anomalism ▪ Over a 1.7km long, 500m wide zone ▪ Proximal to Igneous Arc to east 26
Slide 27: From Known to Unknown
FROM KNOWN TO UNKNOWN For personal use only Kanappa Significant projects for Hillgrove Mt Rhine within the OUTCROPPING portion of the Delamerian Orogen include Kanmantoo Cu - Au Kanmantoo Kanappa Cu - Au Mt Rhine Cu – Au KEY TAKEAWAYS ▪ The geochemical footprint is large and being characterised by H
Slide 28: From Known to Unknown
FROM KNOWN TO UNKNOWN And then there is the For personal use only Under-cover portion of the Magmatic Arc The work underway at Kanmantoo is enabling Hillgrove to ▪ characterise the Geochemical Footprint of Cu-Au mineralisation ▪ develop vectors to the next Cu-Au orebody. A geochemical footprint is a
Slide 29: Moving Forward
MOVING FORWARD KANMANTOO DISTRICT For personal use only ▪ It is a large Fe-Cu-Au-Bi+/-Mo system ▪ It is coeval with magmatic activity GROWTH COPPER-GOLD PROJECTS ▪ Kanmantoo first underground project is permitted and design in progress ▪ Kanmantoo near mine projects under evaluation for ▪ Undergroun