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Tuesday, 01/22/2008 8:43:15 PM

Tuesday, January 22, 2008 8:43:15 PM

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http://www.deepyellow.com.au/news/asx/080123_namibian_update_high_grade_uranium_samples.pdf
Namibian Reconnaissance Exploration Update
08-10 Page No. 2
REGIONAL PROGRAMME
Reptile geologists are systematically investigating the source of airborne radiometric and magnetic
anomalies throughout the EPLs and although at an early stage it is evident that a number of
substantial new prospects exist that were not investigated or discovered in the 1970s and early
1980s uranium rush.
Sampling Procedure
The centre of each airborne anomaly is targeted as an initial datum and rapid ground traversing
with a hand held scintillometer / spectrometer is undertaken in order to identify peak values and
possible visible mineralisation. Composite samples are then collected at the peak uranium
anomalous site for assay. These samples are most likely positively biased and not representative
of the entire outcrop/anomaly area. Notes taken include rock (host) type, distribution and style of
mineralisation, structure and potential prospectivity. From this a ranking system then prioritises
areas for follow-up ground work and to identify potential scout drill sections.
Outcropping Carnotite Mineralisation in Calcretised Channel-fill (Site: Ripnes CB 3-1)
Results
The samples are grouped by EPL and only the style of mineralisation and not host rock type listed.
Secondary relates to transported and re-precipitated uranium in gypcrete and calcrete hosts.
Primary relates to mineralisation that is an integral part of the rock even though sampled material
could be accumulations of secondary uranium minerals on its surface.
Namibian Reconnaissance Exploration Update
08-10 Page No. 3
TABLE 1 – SAMPLING DATA FOR ASSAYS OVER 300 ppm U3O8
Anomaly Locality Style
U3O8
(ppm)
Anomaly Locality Style
U3O8
(ppm)
EPL 3496 (Tubas) EPL 3499 (Ripnes)
Tubas M 66 Primary 337 Ripnes CB 3-1 Secondary 23,455
Tubas M 09 Primary 2,722 Ripnes CB 3 Primary 7,075
Tubas AC Secondary 5,099 Ripnes CB 3 Secondary 7,102
Tubas AC Primary 503 Ripnes CB 4 Secondary 228
Tubas AC Secondary 7,436 Ripnes CB 4 Secondary 1,685
Tubas No. 1, 2 Primary 2,134 Ripnes CC 1 Primary 1,750
Tubas No. 1, 2 Primary 1,321 Ripnes CD 1 Secondary 5,789
Tubas No. 1, 2 Primary 332 Ripnes CD 2 Primary 434
Tubas No. 1, 2 Primary 370 Ripnes CD 2 Secondary 6,863
Tubas No. 1, 2 Primary 2,398 EPL 3498 (Aussinanis)
Tubas No. 1, 2 Primary 967 Aussinanis DA 1 Secondary 2,528
Tubas No. 1, 2 Primary 947 Aussinanis DA1 Secondary 27,875
Tubas No. 1, 2 Primary 2,060 Aussinanis DA 3 Secondary 7,683
Tubas No. 1, 2 Primary 4,671 Aussinanis DA 7 Secondary 30,830
Tubas No. 8 Primary 738 Aussinanis DB 1 Secondary 5,482
Tubas No. 8 Primary 820 Aussinanis DB 1 Secondary 3,117
Tubas No. 8 Secondary 408 Aussinanis DB 1 Secondary 1,285
Tubas No. 8 Primary 572 Aussinanis DB1 Secondary 32,935
Tubas No.11 Primary 401 Aussinanis DB 3 Secondary 7,005
Tubas No. 26, 27, 28 Primary 412 Aussinanis DC Secondary 6,956
EPL 3497 (Tumas) Aussinanis DC Secondary 7,546
Tumas BA 2 Secondary 5,735 Aussinanis DC Secondary 371
Tumas BA 3 Secondary 2,191 Aussinanis DE 1 Secondary 23,615
Tumas BA 3 Primary 2,148 Aussinanis DE 5 Secondary 3,076
Tumas BA 3 Secondary 842 Aussinanis DE 2 Secondary 7,121
Tumas BA 4 Secondary 772 Aussinanis DE 2 Secondary 336
Tumas BB 1 Secondary 499 Aussinanis DE 2 Secondary 5,142
Tumas BB 5 Secondary 974 Aussinanis DA 7 Secondary 4,403
Tumas BE 2 Secondary 5,958
NB: 1,000 ppm = 0.1%, 10,000 ppm = 1%
Namibian Reconnaissance Exploration Update
08-10 Page No. 4
The suite of highgrade uranium assays (as U3O8) from the first round of ground truthing of
airborne radiometric and magnetic anomalies is a major step up in highlighting the prospectivity
of the entire tenement area outside of the known historic uranium deposits. The results together
with the recently announced discovery and drilling of uranium bearing magnetite – iron oxide
breccias (ASX 22 January, 2008) and of the soon to be drilled mineralised Alaskite occurrences
also adds significantly to this prospectivity.
The search for Langer Heinrich style uranium mineralisation in deeper palaeochannels will
commence soon with the arrival of an airborne electromagnetic survey system.
Dr Leon Pretorius Further Information: Martin Kavanagh
Managing Director Executive Director
Deep Yellow Limited 61 8 9286 6999
The information in this report that relates to Exploration Results, Mineral Resources or Ore Reserves is based on
information compiled by Dr Leon Pretorius a Fellow of The Australasian Institute of Mining and Metallurgy. Dr Pretorius
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’. Dr Pretorius consents to the inclusion
in the report of the matters based on his information in the form and context in which it appears.