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Sheffield Resources Ltd. — Investor Presentation 2012
Feb 21, 2012
44780_rns_2012-02-21_a4481f4f-8287-4c9d-b36f-580f07f81bb1.pdf
Investor Presentation
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SHEFFIELD RESOURCES LTD ASX:SFX
RIGHT PLACE, RIGHT TIME
RIU EXPLORERS CONFERENCE 21-22 February 2012 The Esplanade Hotel, Fremantle
COMPETENT PERSONS & FORWARD LOOKING STATEMENTS
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COMPETENT PERSONS‟ STATEMENT – EXPLORATION RESULTS
The information in this presentation that relates to exploration results has been compiled by Bruce McQuitty and David Archer. Each of Mr McQuitty and Mr Archer has consented to the inclusion of this information in this Section of this Web Site in the form and context in which it is included. Mr McQuitty and Mr Archer are geologists with over 20 years experience. Both Mr McQuitty and Mr Archer is a Member of the Australasian Institute of Geoscientists and has the appropriate relevant qualifications, experience, competence and independence to be considered as an “Expert” and “Competent Person” as defined in the 2004 Edition of the „Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (“JORC Code”)‟.
COMPETENT PERSONS‟ STATEMENT – RESOURCE ESTIMATES
The information in this presentation that relates to resource estimation is based on information compiled under the guidance of John Vann. Mr Vann is a Principal of Quantitative Group and acts as a consultant to the Company. Mr Vann is a Fellow of the Australasian Institute of Mining and Metallurgy and a Fellow of the Australasian Institute of Geoscientists and has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and the activity to which they are undertaking to qualify as Competent Person as defined in the 2004 Edition of the „Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (“JORC Code”)‟. Mr Vann consents to the inclusion in the report of the matters based on their information in the form and context in which it appears.
The information in this presentation that relates to reporting of resource and exploration results is based on information compiled under the guidance of Mark Teakle. Mr Teakle is a consultant to the Company. Mr Teakle is a Member of the Australasian Institute of Geoscientists and the Australasian Institute of Mining and Metallurgy and has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and the activity to which they are undertaking to qualify as Competent Person as defined in the 2004 Edition of the „Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (“JORC Code”)‟. Mr Teakle consents to the inclusion in the report of the matters based on their information in the form and context in which it appears.
FORWARD LOOKING STATEMENTS
Some statements in this presentation regarding estimates or future events are forward-looking statements. They involve risk and uncertainties that could cause actual results to differ from estimated results. Forward-looking statements include, but are not limited to, statements concerning the Company‟s exploration programme, outlook, target sizes and mineralised material estimates. They include statements preceded by words such as “expected”, “planned”, “target”, “scheduled”, “intends”, “potential”, “prospective” and similar expressions.
1
INTRODUCTION
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A rapidly emerging ASX-listed company in resurgent mineral sands sector
- High quality mineral sands assets secured:
Dampier Zircon Project
Large, high grade project with world class potential
Eneabba Project
Nearer term production - moving to feasibility study
McCalls Project
Large, longer term strategic chloride ilmenite project
-
Large targets to be drilled in 2012
-
Significant upside potential
Strong mineral sands price environment
1Sheffield Resources has not yet reported Mineral Resources at Dampier and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX releases of 17 Jan 2011, 27 Jul 2011 and 8 Nov 2011.
- 2Refer to Sheffield’s Mineral Resources Tabulation in Appendix 1. Previous releases by Sheffield on 16/8/2011, 25/10/2011 , 7/11/2011 and 20/2/2012 fully report the Mineral Resource Estimates for the Yandanooka, Ellengail , West Mine North and McCalls deposits.
2
CORPORATE SNAPSHOT
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| Capital Structure | Capital Structure |
|---|---|
| Shares on Issue2 | 58.88m |
| Options on Issue1 | 32.8m |
| Market Cap. (at $0.355)2 | $20.9m |
| Cash (31 December 2011)2 | $2.3m |
| Debt | Nil |
| Enterprise Value | $18.6m |
| 1. The options have a volume weighted exercise price of $0.224 and a volume weighted time to expiry of 1.6 years 2. Pre placement of 33.35 million shares at 30cps to raise $10 million as announced 10 Feb 2012 0 200,000 400,000 600,000 800,000 1,000,000 1,200,000 1,400,000 1,600,000 1,800,000 2,000,000 $0.00 $0.05 $0.10 $0.15 $0.20 $0.25 $0.30 $0.35 $0.40 |
| Board & Management | Board & Management |
|---|---|
| Will Burbury | Exec Chairman |
| Bruce McQuitty | Managing Director |
| David Archer | Technical Director |
| David Boyd | Exploration Manager |
| Major Shareholders | |
| Directors | 26% |
| Top 20 | 45% |
“Sheffield is fully funded - 2012 to be a breakthrough year”
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OVERVIEW
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4
MINERAL SANDS MARKETS
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Two Distinct Product Streams
Zircon
-
Main uses: ceramics, refractory linings
-
Global market ~1.4Mtpa
Titanium Feedstocks
- Rutile: >95% TiO 2,
Sheffield’s projects are geared to Zircon and Chloride TiO 2 markets
Both markets are experiencing acute shortage of supply
-
Leucoxene: 85-95% TiO 2,
-
Altered ilmenite: 55-85% TiO 2,
-
Ilmenite <55% TiO 2
-
Main uses: pigment for paints,
-
plastics, titanium metal
-
Global market ~6.4Mtpa
Source: TZMI & Iluka Resources Ltd
5
MARKETS & PRICING
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Zircon Supply & Demand (includes induced projects) Pricing – Zircon, Rutile, Ilmenite
3,000
2,500 Zircon, Average Price
Persistent supply shortage likely in base 2,000 US$/metric tonne, fob
demand case 1,500
1,000
500
0
2005 2006 2007 2008 2009 2010 2011 2012
1,600
1,400
Rutile, Average Price
1,200
1,000 US$/metric tonne, fob
800
600
400
200
0
2005 2006 2007 2008 2009 2010 2011 2012
200
180 Ilmenite, Average Price
160140 US$/metric tonne, fob
120
100
80
60
40
20
Iluka analysis - excludes Iluka’s enhanced production initiatives 0
2005 2006 2007 2008 2009 2010 2011 2012
‘000 tonnes Zircon
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Source: Pricing data compiled by Sheffield from various open file sources
Iluka analysis - excludes Iluka’s enhanced production initiatives Source: Iluka Resources Mineral Sands Briefing Session, ASX release 17 Nov 2011.
6
OPPORTUNE TIMING
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ZIRCON & RUTILE PRICES
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3,000
The best performing stock on the ASX 100 during
First Resource
2011 was mineral sands producer Iluka Resources at Yandanooka
2,500
Acquisition of
McCalls
HMS Project
2,000 Dampier
Acquisition of West Tenements
Eneabba HMS
Granted
Eneabba
Projects from Iluka
1,500 HMS Tenement
Applications
ASX Listing
1,000
Zircon Price
500
Rutile Price Dampier
Tenement
Applications
0
Aug-09 Oct-09 Dec-09 Feb-10 Apr-10 Jun-10 Aug-10 Oct-10 Dec-10 Feb-11 Apr-11 Jun-11 Aug-11 Oct-11
Price per tonne $US (FOB)
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Source: Pricing data compiled by Sheffield from various open file sources
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PEERS - EXPLORERS & MINERS
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70.0 18.00%
16.00%
60.0
Dampier Zircon Project Exploration Target [1 ] 14.00%
50.0 450 – 850 Mt @ 5 – 10% HM
22.5Mt – 85Mt THM 12.00%
40.0
10.00%
8.00%
30.0
6.00%
20.0
4.00%
10.0
2.00%
0.0 0.00%
Perth Basin McCalls Project Toliara Sands Murray Basin Grande Cote Eucla Basin Coburn Kwale Eneabba Cyclone
(ASX: ILU) (ASX: SFX) (ASX: WTR) (ASX: ILU) (ASX: MDL (ASX: ILU) (ASX: GUN) (ASX: BSE) Project 2 (ASX: DRX)
50%) (ASX: SFX)
Mineral Sands Projects
THM (Mt)
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For footnote 1 see Slide 11 For footnote 2 see Appendix 2, Slide 21
Resources data compiled by Sheffield from recent ASX releases
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MINERAL SANDS PROJECTS
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RAPID GROWTH STRATEGY
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1
2
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-
Dampier Zircon Project – Flagship project
-
Eneabba Project – Near term production
-
McCalls Project – Longer term project
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10
DAMPIER ZIRCON PROJECT
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-
Ranks in top tier of undeveloped Zircon projects
-
Exploration Target[1] of 450-850Mt @ 5.0 - 10.0% HM for 22.5-85Mt THM (Thunderbird Prospect)
-
Mineral assemblage includes 8% Zircon, 2.3% rutile, 6.7% leucoxene and 34.3% ilmenite
-
Located 60km west of Derby port
-
Ex Rio Tinto project, dropped pre mineral sands price rises and during GFC
-
Located on Crown Land (pastoral lease) outside Kimberley Heritage areas
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1Sheffield Resources has not yet reported Mineral Resources for the Dampier project and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX release of 8 Nov 2011.
11
DAMPIER ZIRCON PROJECT
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-
Exploration Target[1] of 450850Mt @ 5.0-10.0% HM applies to core only of Thunderbird prospect
-
Based on 8 drill intersections completed by RIO including: 45m @ 9.85% HM from 3m, 27m @ 7.00% HM from 1.5m, & 27m @ 7.92% HM from 9m
-
Drilling and thorium anomaly indicate potential for up to 15km of strike length
-
Further potential: Argo prospect
-
Drilling planned to commence mid-2012:
-
12,500m air-core drilling
-
~500 x 800m spacing
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1Sheffield Resources has not yet reported Mineral Resources for the Dampier project and any discussion in relation to targets and Mineral Resources is conceptual in nature. There Derby Port, currently undergoing expansion has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX release of 8 November 2011.
12
DAMPIER ZIRCON PROJECT
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-
Mineralisation at the Thunderbird Prospect is very thick with little overburden
-
Dimensions 6 x 5 km, av. width 24.5m
-
4 of the 8 drill intersections finished in mineralisation
-
Significant potential for extensions at depth
-
High average in situ zircon content of 0.63% from RIO drilling*
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- See Appendix 5 for information in relation to calculation of zircon content
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ENEABBA PROJECT
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-
Medium sized project
-
161Mt @ 2.5% HM[1] in resource inventory (3 deposits – see Appendix 1 & 2)
-
Near term development and early cash flow potential
-
Scoping studies nearing completion - to assess priorities for development
-
Strategy is to identify sufficient HM in district to support annual production of 150-250Kt HM
-
Substantial additional targets at Durack, Irwin and Drummond Crossing
Drilling to continue in 2012
-
1Refer to Sheffield’s Mineral Resources Tabulation in Appendix 1. Previous releases by Sheffield on 16/8/2011, 25/10/2011 and 7/11/2011 fully report the Mineral Resource Estimates for the Yandanooka, Ellengail and West Mine North deposits.
-
2Sheffield Resources has not yet reported Mineral Resources for the Drummond Crossing and Irwin projects and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX releases of 24/1/2012 and 2/2/2012.
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14
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ENEABBA PROJECT
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ADVANTAGES OF DUNAL-STYLE DEPOSITS
-
At or near surface – minimal overburden
-
Broad deposits – allows high mining rate
-
Above water table
-
Zircon-rich mineral assemblage: Yandanooka 11.5% Drummond Crossing 14.9%
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Yandanooka
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Durack
Drummond Crossing
15
ENEABBA PROJECT
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COMPETITIVE ADVANTAGES
-
Established mineral sands mining district
-
Good quality, high value HM products
-
Mostly broadacre farmland
-
Proximity to roads & rail
-
“Open” ports
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-
Close to Asian markets
-
Available energy sources
-
Abundant groundwater
-
Proximity to SR plants
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16
MCCALLS PROJECT
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-
Located 110km north of Perth
-
Inferred Resource of 4.4 billion tonnes @ 1.2% HM[1 ] for 53Mt contained HM
-
43Mt contained high TiO2 ilmenite
-
3.5Mt contained zircon
-
Higher value ilmenite, potentially suitable for chloride route / synthetic rutile processing
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Global supply/demand outlook for chloride ilmenite: 2006-2020 (source, © TZMI 2012, not to be reproduced without permission)
-
TZMI forecast a significant long term supply shortage of chloride ilmenite from 2013 which will only be partially filled by new projects currently under investigation
-
Scoping work has commenced
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1Refer to Sheffield’s Mineral Resources Tabulation in Appendix 1. A previous release by Sheffield on 20/02/2012 fully reports the Mineral Resource Estimate for the McCalls deposit.
17
EXPLORATION & EVALUATION TIMETABLE
| Project | 2012 Q1 | 2012 Q2 | 2012 Q3 | 2012 Q4 |
|---|---|---|---|---|
| HMS Projects | ||||
| Dampier | Drilling | Resource Est | Scoping | |
| Eneabba | Drilling | Prefeasibility | Prefeasibility | Feasibility |
| McCalls | Resource Est & Scoping | Drilling | Prefeasibility | Prefeasibility |
| Other Projects | ||||
| Pilbara Iron | Drilling | Resource Est | ||
| Moora Talc | Drilling |
This timetable is indicative only and remains subject to change. Successive stages of evaluation are also dependent on positive outcomes from previous phases of work and other factors.
18
SUMMARY
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-
A rapidly emerging player in resurgent mineral sands sector
-
Large projects acquired pre significant mineral sands price spike
-
Dampier Zircon Project set to become Company‟s flagship in 2012
-
Moving to feasibility on Eneabba Projects – targeting near term production
-
Large drilling campaign 1H 2012 designed to increase resource inventory
-
Fully funded - 2012 to be breakthrough year for Sheffield
RIGHT PLACE, RIGHT TIME
For further information please visit the company‟s web site: www.sheffieldresources.com.au
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APPENDIX 1 RESOURCE INVENTORY
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Sheffield’s contained Valuable HM (VHM)* Resource inventory (0.9% HM cutoff)
| Deposit | Resource Category |
Zircon (‘000t) |
Rutile (‘000t) |
Leuc. (‘000t) |
Ilmenite (‘000t) |
Total VHM (‘000t) |
|---|---|---|---|---|---|---|
| Yandanooka | Indicated | 201 | 117 | 168 | 1,072 | 1,558 |
| Yandanooka | Inferred | 12 | 8.5 | 15 | 73 | 108 |
| Ellengail | Inferred | 92 | 90 | 20 | 658 | 860 |
| West Mine North | Measured | 18 | 33 | 42 | 200 | 293 |
| West Mine North | Indicated | 71 | 87 | 46 | 506 | 709 |
| McCalls | Inferred | 3,491 | 1,063 | 2,576 | 42,911 | 50,041 |
| Total | Measured | 18 | 33 | 42 | 200 | 293 |
| Total | Indicated | 272 | 204 | 214 | 1,577 | 2,268 |
| Total | Inferred | 3,595 | 1,162 | 2,611 | 43,641 | 51,009 |
| Total | All | 3,885 | 1,399 | 2,867 | 45,418 | 53,570 |
The contained HM tonnages in the above table are derived from Mineral Resource Estimates for the Yandanooka, Ellengail, West Mine North and McCalls deposits, previously fully reported in ASX releases by Sheffield on 16 August 2011, 25 October 2011, 7 November 2011 and 20 February 2012. Appendix 1 summarises the estimated tonnes and grades for these deposits.
- Valuable Heavy Minerals are zircon, rutile, leucoxene and ilmenite. Non-valuable “trash” HM species include iron oxides, garnet, kyanite and staurolite.
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APPENDIX 2
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HMS MINERAL RESOURCE[1] INVENTORY AT 0.9% HM CUT-OFF 20 FEB 2012
| ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT | ENEABBA PROJECT |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Deposit | Resource Category |
Material (Mt)* |
Bulk Density |
HM % |
Slimes % |
Osize % |
In-situ HM (Mt)* |
Zircon % |
Rutile % |
Leuc. % |
Ilmenite % |
| Yandanooka | Indicated | 61.00 | 2.0 | 2.8 | 14.7 | 9.4 | 1.72 | 11.7 | 6.8 | 9.8 | 62.3 |
| Yandanooka | Inferred | 10.75 | 1.9 | 1.1 | 12.9 | 9.0 | 0.12 | 10.1 | 7.0 | 12.5 | 59.8 |
| Yandanooka | Total | 71.75 | 2.0 | 2.6 | 14.4 | 9.3 | 1.84 | 11.5 | 6.9 | 10.2 | 61.9 |
| Ellengail | Inferred | 46.45 | 2.0 | 2.2 | 15.6 | 2.1 | 1.040 | 8.9 | 8.7 | 1.9 | 63.5 |
| Ellengail | Total | 46.45 | 2.0 | 2.2 | 15.6 | 2.1 | 1.040 | 8.9 | 8.7 | 1.9 | 63.5 |
| West Mine North | Measured | 6.47 | 2.0 | 5.6 | 14.8 | 1.2 | 0.36 | 4.9 | 9.1 | 11.6 | 54.9 |
| West Mine North | Indicated | 36.11 | 1.9 | 2.3 | 13.1 | 2.8 | 0.84 | 8.4 | 10.3 | 5.4 | 60.0 |
| West Mine North | Total | 42.58 | 1.9 | 2.8 | 13.4 | 2.5 | 1.21 | 7.9 | 10.1 | 6.4 | 59.2 |
| Total | Measured | 6.47 | 2.0 | 5.6 | 14.8 | 1.2 | 0.36 | 4.9 | 9.1 | 11.6 | 54.9 |
| Total | Indicated | 97.13 | 2.0 | 2.6 | 14.1 | 6.9 | 2.56 | 10.5 | 8.1 | 8.2 | 61.5 |
| Total | Inferred | 160.81 | 2.0 | 2.0 | 15.1 | 3.4 | 1.16 | 9.1 | 8.4 | 3.9 | 62.8 |
| Total Eneabba Project |
All | 160.81 | 2.0 | 2.5 | 14.5 | 5.4 | 4.08 | 9.8 | 8.2 | 6.8 | 61.7 |
| Deposit Resource Category Material (Mt) Bulk Density HM % Slimes % Osize % In-situ HM (Mt) Zircon % Rutile % Leuc. % Ilmenite % McCalls Inferred 4,431 2.3 1.2 26.5 1.4 53 6.6 2.0 4.9 80.8 McCALLS PROJECT** |
|||||||||||
| Resource Category |
Material (Mt)* |
Bulk Density |
HM % |
Slimes % |
Osize % |
In-situ HM (Mt)* |
Zircon % |
Rutile % |
Leuc. % |
Ilmenite % |
|
| Inferred | 4,431 | 2.3 | 1.2 | 26.5 | 1.4 | 53 | 6.6 | 2.0 | 4.9 | 80.8 |
| McCALLS PROJECT | McCALLS PROJECT | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deposit | Resource | Material | Bulk | HM | Slimes | Osize | In-situ HM | Zircon |
Rutile | Leuc. | Ilmenite | |||
| Category | (Mt)* | Density | % | % | % | (Mt)* | % | % | % | % | ||||
| McCalls | Inferred | 4,431 | 2.3 | 1.2 | 26.5 | 1.4 | 53 | 6.6 | 2.0 | 4.9 | 80.8 |
*Tonnes have been rounded to reflect the relative uncertainty of the estimate.[1 ] This estimate is classified and reported in a manner compliant with the JORC code and guidelines (JORC, 2004).[2] The Mineral Assemblage is represented as the percentage of the Heavy Mineral (HM) component of the deposit, as determined by QEMSCAN. TiO2 minerals defined according to the following ranges: Rutile >95% TiO2; Leucoxene 85-95% TiO2; Ilmenite <55-85% TiO2.
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APPENDIX 3 YANDANOOKA
-
Total resource of 71.75 million tonnes @ 2.6% HM[1] for 1.84Mt contained HM comprising:
-
61Mt @ 2.8% HM (Indicated) 10.75Mt @ 1.1% HM (Inferred)
-
Includes High Grade core of 37.5Mt @ 3.8% HM (Indicated)
-
High value mineral assemblage: 11.5% zircon, 6.9% rutile, 10.2% leucoxene, 61.9% ilmenite
-
At surface, above water table
-
140km by road or rail to Geraldton
-
Scoping work in progress
-
Further potential at Durack, 25km to south – to be drilled Q1 2012
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1 Refer to Appendix 1 for Resource Tabulation and to ASX release dated 16 August 2011
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APPENDIX 3 ELLENGAIL
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-
Inferred Resource[1,2] of 46.45 Mt @ 2.2% HM , containing 1.04Mt HM
-
Includes High Grade core of 11.25Mt @ 5.0% HM , containing 560,000t HM (Inferred)
-
High value assemblage: 8.9% zircon, 8.7% rutile, 63.5% ilmenite and 1.9% leucoxene
-
Scoping work in progress
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1Refer to Appendix 1 for Resource Tabulation and ASX release dated 25 October 2011 for full details
- 2Iluka Resources Ltd (ASX:ILU) retain a 1.5% royalty
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APPENDIX 3 WEST MINE NORTH
-
Total Resource[1,2] of 42.58Mt @ 2.8% HM for 1.2Mt contained HM comprising:
-
6.47Mt @ 5.6% HM (Measured) 36.11Mt @ 2.3% HM (Indicated)
-
Includes high-grade core of 10.09Mt @ 7.7% HM (Measured and Indicated)
-
High value mineral assemblage: 7.9% zircon, 10.1% rutile, 59.2% ilmenite and 6.4% leucoxene
-
3.5km extension of Eneabba West deposit, dredge mined by Iluka/RGC in 1990‟s
-
Scoping work in progress
-
1Refer to ASX release dated 7 November 2011 for full details 2Iluka Resources Ltd (ASX:ILU) retain a 1.5% royalty
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APPENDIX 3
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DRUMMOND CROSSING
-
New discovery in Eneabba field
-
Substantial Exploration Target[1] of 35-75Mt @ 1.5-2.5% HM
-
Rich in zircon & rutile (av. 14.9% zircon, 10.2% rutile)
-
Open along strike to north and south
-
Mineralised from surface - dunal style
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1Sheffield Resources has not yet reported Mineral Resources for the Drummond Crossing project and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX release of 24 January 2012.
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APPENDIX 3 IRWIN
-
Exploration Target 220-340Mt @ 1.2-1.6% HM
-
Valuable mineral assemblage (av. 10% zircon, 7.4% rutile)
-
Low slimes (av. 5.2%) dunal-style mineralisation amenable to dredge mining
-
Adjacent to Tiwest‟s Dongara deposit
-
Open along strike to north for 10km
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1Sheffield Resources has not yet reported Mineral Resources for the Irwin project and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource. For further details refer to ASX release of 2 February 2012.
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APPENDIX 4: OTHER PROJECTS PILBARA IRON PROJECT
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- East Pilbara focus
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-
Exploration Target[2] of 20-60Mt @ 56-60% Fe outlined at Three Pools
-
1[st] pass drilling returned broad iron intersections from near surface, including:
-
50m @ 57.5% Fe from 0m (TPRC012) 42m @ 57.6% Fe from 6m (TPRC011)
52m @ 56.9% Fe from 16m (TPRC022
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2Sheffield has not yet reported Mineral Resources at the Three Pools project and any discussion in relation to targets and Mineral Resources is conceptual in nature. There has been insufficient exploration to define a Mineral Resource and it is uncertain if further exploration will result in the determination of a Mineral Resource.
1Refer to ASX release of 1 December for further details.
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APPENDIX 4: OTHER PROJECTS TALC PROJECT
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Simple “Dig and Deliver” commodity, e.g. Three Springs
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Targeting premium grade talc to gain market penetration
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Drilling has demonstrated high purity talc at 6 prospects
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Definition drilling planned 2012
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Luzenac‟s Three Springs mine and new talc beneficiation plant. Source – Rio Tinto Minerals media release 16 November 2010
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APPENDIX 5:
DAMPIER ZIRCON PROJECT
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High average in situ zircon content of 0.63% from RIO drilling*
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Hosted by deeply weathered Cretaceous sediments
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Fine grainsize of HM (D50 62µm) and iron cementation may present some recovery issues, however high zircon content should offset recovery losses
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Zircon tail
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Cleaner stage gravity separation of HM on bulk sample from the Argo prospect . Source: Combined Annual Report (C96/2003 Mt Jowlaenga) for the Period 21 July 2007 to 20 July 2008 Rio Tinto Exploration Pty Ltd.
In Situ % Zircon
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2
SFX
1.5
1
0.5
0
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*The Dampier in situ zircon content is derived by multiplying the weighted average HM content (7.9%) of 8 RIO drill hole intersections by the average zircon content (8%) of the mineral assemblage. RIO’s bulk sample metallurgical testwork indicates the zircon content of the HM assemblage could be higher at 11.7%. Refer to ASX release of 7 September 2001 for further details.
The West Mine North in situ zircon content relates to the Measured & Indicated Resource for the high grade strand of 10.09Mt @ 7.7% HM for 779,000t of contained HM (ASX release 7 November 2011).
The Ellengail in situ zircon content relates to the Inferred Resource for the high grade core of 11.25Mt @ 5.0% HM for 560,000t contained HM (ASX release 25 October 2011).
The Yandanooka in situ zircon content relates to the Indicated Resource for the high grade core of 37.5Mt @ 3.8% HM for 1.41Mt of contained HM (ASX release 16 August 2011).
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