mark arundell, exploration manager-australia, castillo copper - wongoni- the hidden porphyry copper?

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CASTILLO COPPER LIMITED Los Bronces mine (Anglo American) Los Bayos sector, Rio Rocin Project (Castillo Copper)

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Mark Arundell, Exploration Manager-Australia, Castillo Copper delivered the presentation at the 2013 Mining NSW Conference. The 2013 Mining NSW Conference looked at mine exploration and development opportunities in Central NSW and the Northern Tablelands with a spotlight on capital raising outlook and overseas investment. For more information about the event, please visit: http://www.informa.com.au/miningnsw13

TRANSCRIPT

Page 1: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

CASTILLO COPPER LIMITED

Los Bronces mine (Anglo American)

Los Bayos sector, Rio Rocin Project

(Castillo Copper)

Page 2: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

StatementsCompetent Persons Statement

The information in this presentation, which relates to Mineral Resources and exploration results, has been reviewed by Dr Nicholas

Lindsay and Mr Mark Arundell. This information, in the opinion of Dr Lindsay and Mr Arundell, complies with the reporting standards of

the 2004 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'.

Dr Lindsay and Mr Arundell are Members of the Australian Institute of Geoscientists and have sufficient experience which is relevant to

the style of mineralisation and type of deposit under consideration and to the activity which they are undertaking to qualify as a

Competent Person as defined in the 2004 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and

Ore Reserves'. Dr Lindsay is a Director of and Mr Mark Arundell is a consultant to Castillo Copper Limited and both consent to this

presentation

Forward Looking Statement

This presentation includes certain ‘forward looking statements’. All statements, other than statements of historical fact, are forward

looking statements that involve various risks and uncertainties. There can be no assurances that such statements will prove accurate, and

actual results and future events could differ materially from those anticipated in such statements.

Such information contained herein represents management’s best judgment as of the date hereof based on information currently

available. The company does not assume the obligation to update any forward- looking statement

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Page 3: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

About Castillo Copper

• Castillo Copper is pure copper exploration company

focused on Chile, the world’s leading copper producer

• Chile remains highly prospective for discovery of

large and high grade orebodies

Castillo Copper is different because it:

• Has a long and successful history of operating in Chile

• Has an extensive local network of contacts

• Is focused on the big value-add that comes from

finding ore bodies, based on three carefully selected

projects with proven copper mineralisation

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Page 4: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

ASX listed: CCZ

Capital Structure

• Price 0.06 $/share (24/6/13)

• Shares 80,200,004

• Options 12,100,000 at $0.20 by 30/6/14

5,000,000 at $0.10 by 20/6/17

• Market Cap. ~A$4.8 million

Board & Management

Chairman (Non-Exec) William (Bill) Ryan

Managing Director Nicholas Lindsay

Executive Director Scott Funston

Non-Executive Director Daniel Crennan

Company Secretary David McEntaggart

General Manager (Chile) Fredy Bustos

Explor Manager (Aust) Mark ArundellOwnership

• Board & Management 16.9%

• Top 20 shareholders 67.4%

• Listed 20 May 2013

• Formerly Oakland Resources Limited ASX:OKL

Page 5: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Castillo Australian Projects

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Wongoni

Apsley

Crosby

Billilingra

Orange

Page 6: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni Porphyry Gold Copper

� Historic small scale Copper producer

� Under explored Cadia / Northparkes host rock sequence

� Geophysical signature akin to Northparkes & Cadia

� Potentially unrecognised Molong Belt

� High K calc alkaline assemblage

� Advanced argillic alteration system

� Alteration / geochemistry is zoned → vector to porphyry

Gold-Copper mineralisation

� Shallow cover (<100m) barrier to previous exploration

� Cadia (Newcrest) : 44Moz Gold, 7.5Mt Copper

� Northparkes (Rio Tinto) : 2.2Moz Gold, 1.5Mt Copper6

Page 7: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – The Right Rocks

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Agnew, 2000. Magmatic / Hydrothermal

Cu-Au Deposits of the Lachlan Fold

Belt, NSW. Uni of Tas.

Northparkes

Cadia

Wongoni

Page 8: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni

� Geology – Tucklan Formation – GSNSW (Dubbo)

• Dark grey to black massive silicieous mudstone

• Three local members

• Basalt-andesite to dolerite, latite, chert, limestone

• Original assigned Devonian age

• GSNSW mapping (1990’s) identified Late Ordovician (Eastonian) fauna

• Prospectivity increased immediately

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Page 9: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – Tucklan Beds

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Shoshonite

High K Calc Alk

Wongoni

Dunedoo

Page 10: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Northparkes Gravity

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Northparkes

Page 11: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – The Right Gravity

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Wongoni

Dunedoo

Dubbo

Comobella - Alkane

BodangoraKaiser

Gilgandra

Mudgee

Page 12: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Cadia Valley Magnetics

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Ridgeway

Cadia HillCadia East

Page 13: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

The Right Magnetics

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Magnetic targets on

margin of gravity low

→ Cadia seKng(?)Gravity Low

Wongoni

Dunedoo

Page 14: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Alteration – CRA/North drilling

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Kspar

Musc

Chl Albite

Page 15: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – Magnetic Target

15151515

CRA Drillhole

North Drillhole

Chlorite

“Sericite”/Chlorite

“Sericite”

Albite

50m – pyrite

Intrusion!

HillviewBackground :

Regional Magnetics

2.5km

Gravity Low

Page 16: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – The Right Alteration

16161616

2.5km

NaK

Chlorite

Muscovite/Chlorite

Muscovite

Albite

Gravity Low

Hillview

Background :Regional Magnetics

Page 17: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni – Hillview Prospect

13 - 138m 13 - 150m

14 - 146m13 - 147m

17171717

Alb-Qtz-Ser-Py

Alb-Qtz-Ser-Chl-Hm

Alb-Qtz-Ser-Py

Alb-Qtz-Ser-Py

Page 18: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Cadia East – Alteration

18181818

2.5km

Na

Wood, D., Crucial Challenges to Discovery and Mining, SEG 2012 Conference

Page 19: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni - Hillview Prospect (CRA)

� Geology• Andesite to dacite volcanics

and volcaniclastics,

• Lesser rhyolite, limestone & metasediments

• Intrusions : tonalite, dacite“porphyry”

� Mineralisation• Copper & gold

• Structurally controlled –diffuse zones and stringers

• Gold – confined to surface

� Alteration� 1992 : Honours thesis

• Albite and chlorite

• Carbonate – vein / disseminated

• Sericite quartz pyrite

� 2012 : Hylogger - GSNSW

• Kaolinite / Phengite → Phengite / Fe-Mg chlorite → Kaolinite / Muscovite

• Dickite

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Page 20: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Hillview Prospect

� CRA Ltd 1992� RC92HV6 - 6m @ 0.2% Cu from 70m

� RC92HV10 - 4m @ 0.5g/t Au from 6m

10m @ 0.19% Zn from 26m

� RC92HV11 - 10m @ 0.10% Cu from 4m

8m @ 0.26% Zn from 44m

� DD92HV12 - 1m @ 0.11% Cu from 61m

� DD92HV14 - 2m @ 0.15% Cu from 40m

� North Ltd 1998� Hillview

� Silica-sericite-pyrite alteration

� Elevated Zn & S

� HVRP17 (36m) 0-22m 22m @ 0.21% Zn

� HVRP1 (22m) 8-22m 14m @ 1.76% S

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HVRP1

HVRP17

RC92HV6RC92HV10

RC92HV11

DD92HV13

DD92HV12

DD92HV14

Page 21: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Porphyry Cu metal zonation

Halley, 2013. “Exploration Footprints”,

MDRU Short course 71, Vancouver

Page 22: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Porphyry Cu “footprint”1km

Background :Potassium Radiometrics

Bismuth

Antimony

Antimony

Page 23: Mark Arundell, Exploration Manager-Australia, Castillo Copper - Wongoni- The hidden porphyry copper?

Wongoni - Summary

� Historic small scale Copper producer

� Limited modern exploration

� Previous explorers focused on shallow mineralisation

� Under explored Cadia host rock sequence

� Porphyry Gold-Copper alteration system - “advanced argillic”

� Alteration / geochemistry is zoned → vector to porphyry

Gold-Copper mineralisation

� Shallow cover (<100m) barrier to previous exploration

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