Spectacular Drill Results at Kylylahti Deposit
(firmenpresse) - Spectacular Drill Results at Kylylahti Deposit
• Intercept of 108 metres at 2.4% copper including 58 metres at 4.2% copper
• Best drillhole result at Kylylahti deposit since discovery in 1984
Altona Mining Limited (“Altona”) is pleased to announce the results of the first four drillholes of the
programme designed to test for extensions to the Kylylahti mine. The drilling has extended resources
by 50-100 metres vertically to 850 metres deep and demonstrates that high grades continue at depth.
Prior drilling at the bottom of the deposit is sparse and resource and reserve tonnes decline quickly
below a vertical depth of 650 metres. This drilling not only extends mineralisation at depth but will
increase the grade, width and confidence in the poorly defined resource model below 650 metres
depth. Highlights of the drilling include:
KU 902 108 metres at 2.4% copper, 1.0g/t gold, 0.8% zinc
Including 58 metres at 4.2% copper, 1.2g/t gold, 1.0% zinc
KU 901 107 metres at 1.0% copper, 1.4g/t gold, 0.4% zinc
Including 34 metres at 2.0% copper, 0.7g/t gold, 0.6% zinc
KU 900 87 metres at 1.1% copper, 0.8g/t gold, 0.6% zinc
Including 15 metres at 1.8% copper, 0.4g/t gold, 1.0% zinc
KE 1 102 metres at 0.8% copper, 1.0g/t gold, 0.2% zinc
Including 12 metres at 2.0% copper, 2.6g/t gold, 0.7% zinc
True width of intercepts ranges from 20 to 60 metres (see Figures 2 and 3). Notable are elevated gold
grades well above the usual 0.5-0.7g/t range usually reported. Full results are appended in Table 1
and JORC requirements in Table 3.
To view the entire press release please follow the link:
http://www.irw-press.com/dokumente/AOH_261113_EN.pdf
High grade semi-massive sulphide drill core averaging 8.1% copper and 2g/t gold.
Dr Alistair Cowden, Managing Director of Altona said, “Kylylahti is a great orebody and it is a delight to
report the best drillhole yet from the deposit since its discovery by Outokumpu in 1984. The drilling is
spectacular providing a clear demonstration of high grades persisting at depth. These results provide
the support to consider expanding production to 700,000 tonnes per annum, some 27% higher than
the Feasibility Study design. Revised guidance will be issued when mine planning is completed and
upon receipt of a revised resource and reserve estimate which will be released in conjunction with half
year reporting early in 2014.”
The deposit is structurally complex, however, knowledge from mining the deposit and detailed
underground drilling has given a better understanding of structure and permits a reasonable
interpretation of geometry at depth.
The type example deposit in the Outokumpu copper field, Keretti, is some 4 kilometres long, up to 300
metres across plunge and up to 40 metres thick. Consistent high grades and elevated gold are
characteristics of the better parts of Keretti, a deposit which produced over 1 million tonnes of copper
and 1 million ounces of gold. Kylylahti is some 1.3 kilometres long from surface to the limit of drilling.
At surface mineralisation is thin and weak and the deposit increases in grade and size with depth.
The deposit remains open and there is a crude trend of improving grades and metal content with
depth. Further drilling will be planned to test the deposit to 1 kilometre vertical depth. Given the
analogy with Keretti and other deposits, there is no reason to expect the deposit will not extend further
and that mining will only be limited by economics and ground conditions.
Excellent Infill Definition Drilling
In addition to the extensional drilling at depth, extensive definition drilling has taken place in the
Wombat zone from depths between 410 metres and 470 metres below surface. This has further
clarified structure, confirmed continuity of high grade zones and defined gold-rich zones in the
hangingwall. Full results are appended in table 2. Highlights are 33 metres at 3.2% copper and
1.0g/t gold and 35 metres at 2.1% copper and 1.1g/t gold.
Please direct enquiries to:
Alistair Cowden James Harris Jochen Staiger
Managing Director Professional Public Relations Swiss Resource Capital AG
Altona Mining Limited Perth Tel: +41 71 354 8501
Tel: +61 8 9485 2929 Tel: +61 8 9388 0944 js(at)resource-capital.ch
altona(at)altonamining.com james.harris(at)ppr.com.au
About Altona
Altona Mining Limited is a copper producer in Finland and has a major copper development project in
Australia.
The Company’s Outokumpu Project in south-east Finland commenced production in early 2012. The
project comprises the 550,000 tonnes per annum Kylylahti underground decline mine and the
Luikonlahti mill. The annual production rate averages 9,000 tonnes of copper, 9,000 ounces of gold
and 1,600 tonnes of zinc with potential to expand production up to 11 to 12,000 tonnes of copper
under consideration. Regional resources are hosted in 2 closed mines and 4 unmined resources, all
within 30 kilometres of the Luikonlahti mill. Finland is a Eurozone country and has a long history of
mining, an attractive corporate tax regime (20%) and no royalties.
Altona’s other core asset is the Roseby Copper Project near Mt Isa in Queensland and is one of
Australia’s largest undeveloped copper projects. The first development envisaged is the 7 million
tonnes per annum Little Eva open pit copper-gold mine and concentrator. Little Eva’s proposed annual
production is 38,800 tonnes of copper and 17,000 ounces of gold for a minimum of 11 years. A
Definitive Feasibility Study has been completed and the project is fully permitted. Altona is engaged in
discussions with potential partners to enable the funding of this major development.
Altona Mining is listed on the Australian Securities Exchange and the Frankfurt Stock Exchange.
Competent Persons Statement
The information in this report that relates to Exploration Results, Mineral Resources or Ore Reserves
is based on information compiled by Dr Alistair Cowden BSc (Hons), PhD, MAusIMM, MAIG and Mr
Jari Juurela, MSc, MAusIMM who are full time employees of the Company 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 2012
Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore
Reserves’. Messrs Cowden and Juurela consent to the inclusion in the report of the matters based on
their information in the form and context in which it appears.
Details of assaying and sampling methodology for the Kylylahti mine are detailed on the attached
disclosure of sampling techniques and data management (Table 1 extract).
To view the entire press release please follow the link:
http://www.irw-press.com/dokumente/AOH_261113_EN.pdf
Leseranfragen:
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Datum: 26.11.2013 - 11:14 Uhr
Sprache: Deutsch
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