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ASX Release: 15 June 2011
Level 3, 1060 Hay St West Perth WA 6005 Ph: +61 8 9321 9680 www.thundelarra.com.au
PO Box 7363 Cloisters Square WA 6850 Fax: +61 8 9321 9670 [email protected]
ABN: 74 950 465 654
 Deep diamond drilling underway at Red Bore
 Heritage survey carried out at Curara Well ? drilling to follow
 Gravity survey completed at Yerrida
Thundelarra is pleased to report that exploration is successfully ramping up at the Company?s coppergold
projects in the Doolgunna region of Western Australia.
Red Bore Project ? Four 250 metre pre-collars have been completed and diamond drilling has now
commenced to extend each hole to a depth of approximately 600 metres. Three of these holes are
targeting depth extensions at the Red Bore prospect where previous drilling by Thundelarra
intersected significant DeGrussa style copper-gold sulphide mineralisation, including 17 metres at
11.7% copper and 1.73g/t gold in hole TRBC005 (see ASX 25 August 2010). Recent down-hole
electro-magnetics indicate the mineralising system is present beyond the extent of current drilling (see
ASX 11 May 2011).
Deep diamond drilling is also planned at the North West Gossan prospect, which lies to the south of
Sandfire Resources NL?s Conductor 5 deposit (1.1Mt at 6.6% copper and 3.0g/t gold). This hole is
targeting repetitions and fault displacements of Conductor 5, which lies some 250 metres to the north.
The initial program of four deep holes is anticipated to take six weeks to complete, however the
results will be used to aid design of additional holes to be carried out as appropriate.
Curara Well Project ? A Heritage Survey has been undertaken by members of the Yugunga Nya,
Traditional Owners of the area, clearing the way for drilling to commence. Reverse circulation drilling
is anticipated to begin by early July, pending the grant of final statutory approvals. Priority targets
include a significant and extensive copper soil geochemical anomaly and a series of VTEM electromagnetic
anomalies that may represent DeGrussa/Red Bore style VMS copper-gold mineralisation at
depth. Thundelarra?s petrology has identified prospective volcanic and epiclastic rocks displaying
VMS style alteration.
Yerrida Project ? A 3,000 station gravity survey has just been completed. This work is part of a
program to identify targets on the Company?s earlier stage regional projects for subsequent drill
testing. Results are anticipated by mid-July.
The Red Bore Project is situated on granted Mining Lease M52/597, in which Thundelarra is earning a
60% interest. The Curara Well project is situated on granted exploration license E52/2402, which is
100% owned by Thundelarra. The Yerrida project consists of four granted exploration licenses,
E51/1357, E51/1358, E51/1359, E51/1418 in which Thundelarra is earning an 80% interest and
exploration license application E51/1437 in which Thundelarra has an 80% interest.
For Further Information Contact: Brett Lambert - Managing Director +61 8 9321 9680
EXPLORATION UPDATE ? DOOLGUNNA REGION
THUNDELARRA EXPLORATION LTD ASX RELEASE
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Competent Person?s Statement
The details contained in this report that pertain to ore and mineralisation are based upon information compiled by Mr Simon Attwell, a full‐time
employee of the Company. Mr Attwell is a Member of the Australasian Institute of Mining and Metallurgy (AUSIMM) and has sufficient experience
which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a
Competent Person as defined in the December 2004 edition of the ?Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore
Reserves? (JORC Code). Mr Attwell consents to the inclusion in this report of the matters based upon his information in the form and context in which it
appears.
ABOUT THUNDELARRA
Thundelarra controls in excess of 8,000 square kilometres of tenure in the Northern Territory?s Pine
Creek and Ngalia Basin uranium provinces. The Company has made a number of significant
uranium discoveries in both regions and has JORC compliant resources at both the Hayes Creek
and Allamber Projects. Exceptionally high grade mineralisation has been identified at Hayes Creek
with drilling returning assays of up to 20.3% U3O8. In the Ngalia Basin Thundelarra has discovered
a major uranium bearing paleochannel system demonstrating potential to host significant scale
deposits and characteristics favourable for in-situ recovery (ISR).
In Western Australia Thundelarra controls 11 tenements in the Doolgunna region totalling 1,500
square kilometres, including ground immediately along strike from Sandfire Resources? DeGrussa
deposit. Recent drilling by Thundelarra has intersected significant high grade copper-gold
mineralisation. The Company also retains substantial base metals exploration tenure in the East
Kimberly and a 40% interest in the Copernicus nickel sulphide mine.
Thundelarra is very well funded and is aggressively exploring its key projects with the aim of
progressing its discoveries through to commercial production.
REGISTERED OFFICE
Level 3, 1060 Hay St West Perth WA 6005 Ph: +61 8 9321 9680 www.thundelarra.com.au
PO Box 7363 Cloisters Square WA 6850 Fax: +61 8 9321 9670 [email protected]
ABN: 74 950 465 654 ACN: 085 782 994
ASX CODES: THX & THXOA Issued Shares: 153.5M Market Cap: $65M
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Thundelarra?s Doolgunna Region Tenements