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DEEP YELLOW LIMITED — Capital/Financing Update 2010
Feb 25, 2010
64808_rns_2010-02-25_08755f6f-64e4-4350-98a2-263f4fdf7c73.pdf
Capital/Financing Update
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ASX Announcement
ASX Code DYL
Namibian Drilling Results and Update
26 February 2010
Highlights
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Reconnaissance RC drilling locates encouraging uranium mineralisation 800 metre northeast of INCA South with 5 metre of 434 ppm cU3O8 from 58 metre.
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Mineralised drill holes at INCA now occur over a roughly square area in excess of 2 by 2 kilometre and structurally appears open in all directions except to the west.
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Infill drilling on the Tumas palaeochannel continues to return wide zones of mineralisation including 17 metre of 672 ppm eU3O8 from12 metre.
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Reconnaissance drilling on the Nova Energy JV (subsidiary of Toro Energy ‘TOE’) palaeochannels has located sporadic low-grade mineralisation with a best intersection of 9 metre at 182 ppm eU3O8 from 82 metre.
Drilling Activities
There are presently nine rigs employed by Reptile Uranium Namibia (RUN) in total:
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Two diamond rigs are drilling HQ size core holes within the INCA detail grid (Figure 2) to collect 2.5 tonne of sample required by Mintek for the metallurgical and crushing characteristics testwork. This will probably require 5 or 6 vertical holes targeting mineralisation within 100 metre of the surface that is representative of the expected volumetric distribution of the different styles and rock types present for blending. Whole core from these holes will be sent to Mintek together with half core from earlier diamond holes. This will leave quarter core as a record from the latter.
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One diamond rig is deepening the four remaining incomplete RC holes within the INCA Deeps portion in the north of the grid.
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One RC rig is carrying out reconnaissance drilling ~250 metre deep mostly 60 degree angle holes east of the INCA grid. This line commenced about 3 kilometre east of INCA and although sporadic higher-grade mineralisation was encountered (including values in excess of 500 ppm eU3O8 in individual 1 to 2 metre zones) none were thought worthy of immediate follow-up drilling until hole MAGR40 encountered 5 metre of 434 ppm cU3O8 from 58 metre. Infill holes within a structural corridor between this hole and the original INCA South discovery hole which returned a 54 metre wide zone of 670 ppm eU3O8 from 40 metre some 800 metre to the southwest is underway (Figure 2).
Level 1 329 Hay Street Subiaco WA 6008 / PO Box 1770 Subiaco WA 6904 Tel : 61 8 9286 6999 / Fax : 61 8 9286 6969 / ABN 97 006 391 948 Email: [email protected] / Website: www.deepyellow.com.au
Namibian Drill Results and Update
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Figure 1: Namibia Project Location Map
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One RC rig is carrying out reconnaissance drilling of~250 metre deep mostly 60 degree angleholes in the north of RUN’s Tubas EPL (Figure 1) across the postulated extensions of the alaskite stratigraphic horizon hosting the uranium mineralisation at the Rossing Mine and the Rossing South project.
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Two RC rigs continue the drill out of the Oryx-Tumas palaeochannel where earlier reconnaissance drilling located mineralisation (Figure 3). This will take about 4-6 weeks to complete and one or both these rigs will then be deployed to join the other two RC rigs doing deep reconnaissance drilling, either on geophysical targets or north of INCA.
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Namibian Drill Results and Update
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- Two RC rigs are continuing in the search for and evaluation of mineralisation in buried palaeochannels on the northeast Nova JV EPL to the south and west of the Langer Heinrich uranium mine (Figures 1 and 4). To date 369 holes for 16,581 metre have been completed. About three months drilling remains on the regional reconnaissance lines within this EPL after which a decision on whether the grades and thicknesses of any carnotite mineralisation encountered warrant infill grid drilling.
Uranium values from better holes
Tumas Palaeochannel – Infill Drilling
| Drillhole | UTM (mE) |
UTM (mN) |
Azi | Dip | TD (m) |
From (m) |
To (m) |
Interval (m) |
eU3O8 (ppm) |
GTM |
|---|---|---|---|---|---|---|---|---|---|---|
| TUMR693 | 511975 | 7456300 | 0 | -90 | 40 | 12 | 29 | 17 | 672 | 11,190 |
| TUMR3681 | 512150 | 7456150 | 0 | -90 | 41 | 8 | 23 | 16 | 332 | 5,208 |
| TUMR3649 | 512400 | 7456250 | 0 | -90 | 31 | 11 | 24 | 13 | 314 | 3,946 |
| TUMR931 | 512625 | 7,455900 | 0 | -90 | 30 | 6 | 17 | 11 | 357 | 3,878 |
| TUMR1498 | 512275 | 7455550 | 0 | -90 | 41 | 15 | 23 | 8 | 432 | 3,434 |
| TUMR4059 | 512050 | 7455450 | 0 | -90 | 30 | 12 | 21 | 9 | 385 | 3,388 |
| TUMR1422 | 512075 | 7456000 | 0 | -90 | 30 | 7 | 21 | 14 | 192 | 2,751 |
| TUMR4065 | 512350 | 7455450 | 0 | -90 | 24 | 11 | 19 | 8 | 331 | 2,666 |
| TUMR4064 | 512300 | 7455450 | 0 | -90 | 42 | 12 | 24 | 12 | 201 | 2,350 |
| TUMR4075 | 512200 | 7455400 | 0 | -90 | 46 | 15 | 23 | 8 | 257 | 1,988 |
Nova JV – EPL 3668
| Drillhole | UTM (mE) |
UTM (mN) |
Azi | Dip | TD (m) |
From (m) |
To (m) |
Interval (m) |
eU3O8 (ppm) |
GTM |
|---|---|---|---|---|---|---|---|---|---|---|
| NOVR348 | 518250 | 7475650 | 0 | -90 | 97 | 82 | 91 | 9 | 182 | 1,709 |
| NOVR316 | 518325 | 7475650 | 0 | -90 | 97 | 63 | 70 | 7 | 190 | 1,291 |
| NOVR374 | 516400 | 7475650 | 0 | -90 | 91 | 71 | 78 | 7 | 154 | 1,069 |
| NOVR321 | 518300 | 7475650 | 0 | -90 | 97 | 90 | 92 | 2 | 257 | 540 |
| NOVR11 | 516400 | 7475700 | 0 | -90 | 88 | 77 | 81 | 4 | 136 | 502 |
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Figure 2: INCA Project Drill Out and INCA East Reconnaissance Line Discovery
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Figure 3: Tumas Palaeochannel Infill Drilling over a 6 kilometre section
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Figure 4: Nova JV Reconnaissance Drilling – Mineralised Holes
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Geophysical Surveys
Over the past three years RUN has completed three airborne geophysical surveys which are presently being fully integrated and interpreted using INCA and other known mineralisation to model where to drill next in the search for mineralisation beneath the extensive surficial desert sand and rubble cover. Given the large tenement area held by RUN (including the Nova JV area) and the number of anomalies to check this process is costly and time consuming where luck will most likely play a role should mineralisation be located in any early reconnaissance holes. It is possible that ground EM surveys will be required to refine drill targets.
A gravity survey presently being carried out over the greater INCA area should be complete in three weeks time and will assist in prioritising drill targets.
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Dr Leon Pretorius Managing Director
Further Information: Mr Martin Kavanagh Executive Director (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.
Where eU3O8 and/or cU3O8 is reported it relates to values attained from radiometrically logging boreholes with Auslog equipment using an A675 slimline gamma ray tool. The probes have been calibrated either at the Pelindaba Calibration facility in South Africa or at the Adelaide Calibration facility in South Australia.
Deep Yellow Limited (DYL) is an Australian based pure uranium exploration company with extensive operations in Namibia and Australia.
DYL’s principal development focus is in Namibia through its 100% owned subsidiary Reptile Uranium Namibia P/L (Reptile) at the mid to high grade Omahola Project and the extensive secondary calcrete deposits contained in the Tumas-Oryx-Tubas palaeochannel and fluviatile sheetwash systems.
The Omahola Project comprises the INCA uranium and iron and Tubas Red Sand (TRS) uranium deposits. JORC Code resource estimates for Omahola are being completed and management are confident it will underpin the stated objective of becoming a producer of 1,000 to 1,500 tonne of U3O8 per year at a grade of 400 ppm or better from the combined deposits.
As part of the transition from explorer to producer DYL and Reptile have been building a team of inhouse expertise and consultants to complete the required studies and various reports and permit applications.
The Australian focus is on resource delineation in the Mount Isa district of Queensland and greenfields exploration in the Northern Territory. A pipeline of other projects in both countries are continually being examined and there is extensive exploration potential for new discoveries .
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