rock chip samples to 1.660gt silver

MACMIN SILVER LTD
(A.B.N. 53 056 776 160)
P.O. Box 7996 Telephone: (07) 5592 2274
Gold Coast Mail Centre Facsimile: (07) 5592 2275
Queensland 9726 Email: [email protected]

AUSTRALIA Internet: www.macmin.com.au
ASX Announcement 12th February 2008

ROCK CHIP SAMPLES TO 1,660g/t SILVER, 8.19g/t GOLD AND 13.55% LEAD AT RIVERTREE


• Strongly anomalous gold stream sediment value of 256ppb to be followed up over the
coming months.
• Rock chip samples returned best result of 1,660g/t silver, 13.55% lead and 3.1% zinc at
the Phoenix North workings and best gold result of 8.19g/t on the Phillipines Lode.
Rivertree is located in northern NSW, Australia and forms part of a joint venture between Macmin
(75%) and Malachite Resources NL (25%).
Stream Sampling
Results from the stream sediment sampling programme completed late last year have recently been
received. The results highlight a north-east trending zone approximately 3km wide and 8km long of
coincident metal anomalism associated with the historic lodes and workings of the Rivertree mineral
field. Areas outside of this zone have returned low order metal values.
One stream on the southern margin of the northeast trending zone, which drains an area of no known
historic workings has returned a very anomalous gold result of 256ppb (the next highest gold result
being 61ppb coming from an area of historic workings). Within the dataset gold values greater than
10ppb are considered to be highly anomalous, and have only been returned (other than the above
discussed sample) from streams which drain areas of known historic workings.

Follow-up stream sediment sampling, rock chip sampling and prospecting will be undertaken in this
area over the coming months.
Rock Sampling
As part of the above stream sediment sampling programme, a number of rock chip samples were also
collected; some from historic workings/lodes and others from previously un-sampled areas. The best
results are displayed in Table 1, with the best silver result of 1660g/t coming from the Phoenix North
workings and the best gold result of 8.19g/t coming from the Phillipines Lode.

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In the coming months further prospecting and mapping of these areas will be undertaken with the view
to drill test these prospects and the Big Block prospect.
The Company
Macmin Silver Ltd is a silver focused company that has been listed on the ASX since 1993, whose
primary projects are the Texas Silver Project, South-East Queensland, Australia where the Twin Hills
Silver Mine is located, and the Tally Ho and Mt Scott Projects near Mackay, Central Queensland. The
Company aims to utilise its accumulated knowledge and skilled team of staff to consolidate a position
as the premier silver focussed company in Australia. This objective is based on our belief that rising
silver prices herald a recognition that silver in the 21st Century will be a fundamental metal in
technological advances and an important investment asset.
Macmin has exposure to gold by way of an 14% equity in New Guinea Gold Corporation (NGG) and a
1% NSR royalty on production by NGG. In addition, Macmin maintains equity investments in junior
Australian explorers, Malachite Resources NL and Frontier Resources Ltd.
Further information is available at www.macmin.com.au.


Yours faithfully,
Garry Edwards
CHIEF EXECUTIVE OFFICER
Stream & Rock Sampling & Assaying Details
Stream sediment samples consist of approximately 100g of 180μm material collected from the fine silt fraction of the active drainage.
Rock samples are typically 1-2kg in size.
Assaying is carried out by ALS Chemex in Brisbane using an aqua regia digest which is analysed with the ICP technique for silver, copper,
lead, zinc, arsenic and antimony and analysed by the ICPMS technique for Gold.
The information in this report that relates to Exploration Results is based on information compiled by Denis O’Neill, who is a Member of The
Australasian Institute of Mining and Metallurgy. Denis O’Neill is employed by Macmin Silver Ltd.
Denis O’Neill 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 2004 Edition of the ‘Australasian Code for Reporting of
Exploration Results, Mineral Resources and Ore Reserves’. Denis O’Neill consents to the inclusion in the report of the matters based on his
information in the form and context in which it appears.
kc/ge027.08