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AURA Aura Energy Limited

0.00 (0.00%)
24 Apr 2024 - Closed
Delayed by 15 minutes
Aura Energy Investors - AURA

Aura Energy Investors - AURA

Share Name Share Symbol Market Stock Type
Aura Energy Limited AURA London Ordinary Share
  Price Change Price Change % Share Price Last Trade
0.00 0.00% 9.00 01:00:00
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9.00 9.00 9.00 9.00 9.00
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Posted at 14/1/2024 10:55 by source
Not sure that's wholly correct Count, but you are right Sweden is probably lower probability with many more informed investors. However, I think some benefits are definitely being expected by many investors especially as if for no other reason Aura management do talk up Sweden in their corporate presentations & also interviews. Given the insights/opinions in the links I posted below would suggest Sweden should be a write off & not even mentioned until Sweden even shows more hard moves to allowing ANY mining, let alone Uranium mining on their lands.
Posted at 12/1/2024 07:52 by source
Uranium price over $100 a lb!Aura dozing while other explorers explode. Odd but again another example of AIM & UK stock markets being dysfunctional for UK Investors. Grr.
Posted at 27/11/2023 12:53 by the count of monte_cristo
Not many uranium plays out there, AURA could expand their resource by 50-100% with this 15,000m drilling programme. Making it a tier 1, uranium deposit. Investors, if you can call them that, have missed this one..uranium price was up 8% the other day. The world needs a lot more uranium, where is it going to come from?
Posted at 17/10/2023 06:00 by wuscher
Aura Energy Limited
Level 30 / 35 Collins St
Melbourne, VIC 3000
Aura Energy Limited ACN 115 927 681
Level 30 / 35 Collins St, Melbourne, VIC, 3000
ASX RELEASE 17 October 2023
Aura identifies new uranium Exploration Target extending
from existing Tiris Project Resources
• Aura identifies an Exploration Target aimed to expand the existing 58.9 Mlbs U 3O8 Tiris Project
Resource (113Mt at grade of 236ppm U3O8), which was defined at an exploration cost of ~US$0.20 per
lb U3O8.
• Preliminary work has identified seven Exploration Targets in Tiris East as extensions of the existing
resources 30 – 60 Mt at 120 - 240 ppm U 3O8 for 8 - 32 Mlbs U3O8.
• The new Exploration Targets highlight the potential for the Tiris Project to achieve world-class scale.
• Exploration Target will be tested with a 15,500m drilling exploration program planned to commence
• Proving up additional resources is likely to expand the ore available to the Tiris Project and potentially
facilitate modular expansion. The Front-End Engineering Design (FEED) study is 80% complete, and pre-
construction activities will commence at the Tiris Project.
Aura Energy Limited (ASX: AEE, AIM: AURA) (“Aura” or “the Company”) is pleased to announce it has
acquired additional radiometric survey data, reviewed historical drilling results, and identified strong
indications of mineralisation extensions on Aura’s existing tenements that could significantly expand
Aura’s current Tiris Project (“Project̶1;) 58.9 Mlbs U₃O₈ resource.
Aura has signed contracts for an exploration program of 15,500m air core drilling over approximately
78 km 2 on existing tenements, aiming to significantly increase the Inferred Mineral Resource at the
Tiris Project in Mauritania by extending the existing resources. The mobilisation of the drilling
contractor commenced on October 16 th , with the program commencing soon after.
The potential quantity of the Exploration Target is conceptual in nature. There has been insufficient
exploration of these targets to estimate a Mineral Resource, and it is uncertain whether this
exploration effort will result in an estimation of a Mineral Resource.
Aura Managing Director David Woodall said,
“Aura’s strategy is to be development-ready in relation to our Tiris Project, and this strategy is
progressing and accelerated as we aim to expand our mineral resource.
The near-term, low-cost, producer status of our Tiris Project was confirmed by our March 2023
Enhanced Definitive Feasibility Study1. Further resource expansion towards 100m lbs of U₃O₈
progresses the project towards a global scale and reinforces the potential for Mauritania to be a
material producer in the near term. The robust economics of our Tiris Uranium Project will be further
enhanced by increasing our mineral resources and reserves. Due to the modular nature of the project,
we see outstanding opportunities to grow the annual production capacity of the project to 3.5Mlb per
annum, equivalent to the planned back-end plant capacity.”
1 See announcement dated 29 March 2023 “Tiris Uranium Project Enhanced Definitive Feasibility Study”.
“To that end, Aura will commence key pre-construction activities, including the geotechnical drilling of
the proposed plant site, and allow some trial mining to provide valuable data in the production
planning for the Tiris operation once developed.”
Figure 1 - Tiris Project Exploration Program Target Areas
The exploration program will be conducted on existing granted tenements targeting the expansion of
the Mineral Resources at the Tiris Project. It will focus on the Exploration Target shown in Table 1
Range Tonnage and Grade Expectations Range Exploration Target
Resource Area Tonnes
Lower (Mt)
upper (Mt)
Grade Lower
U₃O₈ (ppm)
Grade Upper
U₃O₈ (ppm)
Lower Range
Mlbs U3O8
Upper Range
Mlbs U3O8
Tiris East2 30 60 120 240 8 32
Total Target 30 60 120 240 8 32
Table 1 – Proposed Exploration Target3
2 Ain Sder, OEFE and OEFE Sud tenements – Hippolyte East, Hippolyte West, Marie, Hippolyte North, Lazare North, Lazare South and Sadi
resource areas.
3 The lower range metal target has a 50% discount on both tonnage and grade.
Exploration Target Estimate
A significant level of exploration has previously been undertaken by Aura on the currently held
tenements, resulting in a Global Mineral Resource Estimate (MRE) of 113Mt at an average grade of
236ppm U3O8 containing 58.9 Mlbs U3O84, which was reported in a market announcement (“Major
Resource Upgrade at Aura Energy’s Tiris Project”), dated 14 th February 2023. The MRE has been based
on 21,990 metres of drilling in 5,619 holes for a total project cost of US$11.9M or US$0.20 per lb U3O 8.
Area Class Tonnes (Mt) U3O 8
U3O 8
Hippolyte North
Measured 8.0 236 4.2
Indicated 5.8 217 2.8
Inferred 4.7 212 2.2
Sub-Total 18.5 224 9.1
Hippolyte Marie & West Inferred 8.2 310.0 5.6
Hippolyte South
Indicated 4.6 192 2.0
Inferred 2.7 176 1.1
Sub-Total 7.4 186 3.0
Lazare North
Measured 1.0 282 0.6
Indicated 10.1 229 5.1
Inferred 3.7 210 1.7
Sub-Total 14.8 228 7.4
Lazare South
Measured 8.6 233 4.4
Indicated 5.2 226 2.6
Inferred 4.8 222 2.3
Sub-Total 18.6 228 9.3
Measured 11.5 189 4.8
Indicated 7.4 200 3.2
Inferred 10.3 228 5.2
Sub-Total 29.2 206 13.2
All Deposits
Measured 29.1 218 14.0
Indicated 33.0 215 15.6
Inferred 34.5 237 18.0
Total Tiris East 96.6 224 47.7
Oum Ferkik Inferred 16.4 305.0 11.2
Total Aura Resources 113.0 236 58.9
Table 2 - Tiris Mineral Resource Estimate5
Historical drilling has shown a strong relationship between mineralisation and zones of high
radiometric signature, as seen in Figures 1 and 2.
Additional radiometric survey data recently acquired revealed several newly identified high
radiometric anomalies not yet drilled. Continuing our earlier work, geologists have defined a series of
Exploration Targets (shown in Figure 1) where the relationship between radiometric signature and
mineralisation suggests further Exploration Targets may be available. Importantly, all targets are
proximate to or contiguous with existing Inferred Resources and have yet to be tested by drilling.
4 ASX Announcement: “Major Resource Upgrade at Aura Energy’s Tiris Project” 14th February 2023.
5 ASX announcement: “Major Resource Upgrade at Aura Energy’s Tiris Project” 14th February 2023.
Area Resources and Mlbs/km² of Anomaly Determined
Resource Area Name Tonnes
Surface Area
Mlbs return
Hippolyte East 1.8
Hippolyte Marie and West 8.2 310 2.5 5.6 3.1 1.8
Hippolyte North 18.5 224 4.1 9.1 7.4 1.2
Hippolyte South 7.4 186 1.4 3.0 5.6 0.5
Lazare North 14.8 228 3.4 7.4 9.7 0.8
Lazare South 18.6 228 4.2 9.3 12.7 0.7
Sadi 29.2 206 6.0 13.2 33.6 0.4
Oum Ferkik East 4.5 240 1.1 2.4 3.1 0.8
Oum Ferkik West 11.9 330 4.0 8.8 2.9 3.0
Total 113.1 26.7 58.8 78.1
Table 3 – Tiris Project Relationship of Radiometric Signature to Mineral Resource Estimate. Note; no reported Resource
exists over Hippolyte East so the nearby Hippolyte North figures were used..
The Exploration Targets are focused on calcrete-style uranium deposits and lay beneath flat land
surfaces with shallow overburden.
The uranium mineralisation generally lies within weathered, partially decomposed red granite or in
colluvial gravels developed on or near red granites. Small portions occur in other rock types, such as
meta-volcanics and meta-sediments. The mineralisation is believed to have developed within shallow
depressions or basins, where colluvial material has accumulated in desert sheet wash events. The
pebbles within the gravels are generally unweathered fragments washed in from the nearby
exfoliating granites and other crystalline rocks, mixed with sand, silt, calcrete, gypsum and yellow
uranium vanadates. This mineralised veneer of relatively unconsolidated material is typically less than
5 metres in thickness, although locally, it can occur up to 12 metres in depth. It forms continuous
deposits on the plains or occurs in depressions amongst granite outcrops.
Defined Mineral Resource Estimates6 occur within high radiometric anomalies identified by airborne
geophysical surveys. Several radiometric anomalies within currently held Leases have yet to be tested,
and many previously drilled areas remain open at boundaries. Additionally, only high radiometric
signature anomalies have been tested. Aura’s geology team have determined that there is a possibility
that the lower-level anomalies may contain economic resources or that the anomalies have been
partially or fully obscured by sand cover.
Details of Target tonnage and grade calculations for the Exploration Target are presented in Table 4.
Inputs to the calculation of the Exploration Target have been estimated using data from radiometric
anomalies near each target, which have been tested by drilling and included in the Mineral Resource
The potential Exploration Target, expressed as Mlbs U 3O 8/km², for each exploration area, has been
determined using the metal return from drilling completed at each resource area adjacent to the
nearest Inferred Resource, as shown in Table 3.
6 ASX announcement: “Major Resource Upgrade at Aura Energy’s Tiris Project” 14th February 2023.
Tonnage and Grade Expectations Range Exploration Target
Resource Area Name Tonnes
Upper (Mt)
Lower (Mt)
Grade Upper
U₃O₈ (ppm)
Grade Lower
U₃O₈ (ppm)
Hippolyte East 6 3 228 114 3 1
Hippolyte Marie and West 17 8 310 155 11 3
Hippolyte North 9 4 224 112 4 1
Hippolyte South 15 7 186 93 6 2
Lazare North 6 3 228 114 3 1
Lazare South 2 1 228 114 1 0
Sadi 7 3 206 103 3 1
Total and averages 60 30 240 120 32 8
Table 4 - Exploration Target - Range of tonnage, grade and average Mlbs U₃O₈/km². Totals are rounded.
All Exploration Targets are grouped into five different categories reflecting the quality of the target,
ranging from those on high radiometric anomalies to low anomalies that may be affected by sand
In calculating the potential size of the Exploration Target, a probability of success was then estimated
for each Target Category to determine each target's upper bound of possible U3O 8. By way of example,
high-quality targets on high radiometric anomalies were given a 0.9 chance of success. In comparison,
conceptual Targets such as possible mineralisation beneath cover were given a 0.1 chance of success.
In this manner, high-quality targets were given the most significant influence on Target tonnage, while
conceptual Targets were given minor influence. To be very conservative, the estimated probabilities
of success were then halved to determine Target's lower tonnage and grade ranges. These categories
are presented in Appendix 1, along with the upper bounds of estimated probabilities used to calculate
Target ranges.
An example of the categorisation of Exploration Targets for the Hippolyte West and Marie mineralised
zones can be seen in Figure 2. This shows the relationship between the current Inferred Resource and
the ranked Exploration Target areas. As demonstrated, the higher probability targets are on or directly
adjacent to areas with a high radiometric anomaly, which host mineralisation. Lower ranked targets
cover areas of lower radiometric signature and where cover by sand dunes may have depressed the
radiometric signature.
Figure 2 - Marie E-H, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred resource outlines, and planned drillholes.
Note that drilling has not been closed off, and portions of the high radiometric anomaly still need to be sufficiently tested.
The distribution of exploration targets for other mineralised zones within the Tiris East areas can be
seen in Figures 5 to 13 in Appendix 2.
The development of Targets within currently held Leases has the benefit of providing tonnage close
to presently planned operations, increasing the likelihood of mine life extension without having to
modify the existing mining plan significantly. Additionally, the potential to develop higher-grade
material in the Marie/Hippolyte West area (shown in Table 1) would substantially benefit profitability
by adding higher-grade feed close to the treatment facility.
Exploration Program Plan
The Company proposes to commence an exploration program at Tiris East to test the Exploration
Targets as soon as possible. A drilling contractor has been selected, and the logistics planned around
mobilising the air core rig into the country and to the Tiris East area. This will aim to rapidly complete
15,500m of air core drilling to grow the Resources within the Tiris East exploitation permits. Drilling at
Tiris East will be to a depth of between 1 and 20 metres, with an average depth of 7 metres. Figures 5
to 15 in Appendix 2 show the proposed drilling plan for each mineralised area.
The efficiency of exploration in the Tiris East project area is significantly increased because of the level
of data available on existing mineral resources. Drilling calcrete-hosted uranium mineralisation is
undertaken by aircore drilling, with downhole gamma logging used to measure equivalent U3O 8
(eU3O 8). This output is converted to U 3O 8 by calibration with assay and disequilibrium analysis, for
which samples must be generated from diamond drilling. For a complete description, refer to ASX
announcement: “Major Resource Upgrade at Aura Energy’s Tiris Project” on 14 th February 2023.
A detailed review has determined that sufficient disequilibrium data is available in the Tiris East area
for inferred resource reporting. This will reduce the time required to report resources by
approximately four months, streamlining the exploration process.
The aircore drilling program in Tiris East is expected to be completed within two months of the
commencement of drilling, with an updated Mineral Resource Estimate to be completed shortly after
the completion of the drilling program.
The Company will take the opportunity to commence pre-construction works for the Project during
the exploration program. The activities will focus on trial mining to optimise mining costs and
additional geotechnical studies.
Tenement Status
The Targets fall on mineral exploration permits held 100% by Aura Energy: 2365B4 Oued EL Foule Sud,
and on 2 Exploitation permits: 2492C4 Oued El Foule, 2491C4 Ain Sder held by Tiris Ressources SA.
Oum Ferkik is currently under application for transfer from an Exploration Permit to an Exploitation
Permit. Tiris Ressources SA is owned 85% by Aura Energy subsidiary, Aura Energy Mauritania, and 15%
by ANARPAM, a Mauritanian Government entity.
The Board of Aura Energy Ltd has approved this announcement.
For further information, please contact:
David Woodall
Managing Director and CEO
Aura Energy Limited
Paul Ryan
Investor & Media Relations
+61 409 296 511
About Aura Energy (ASX: AEE, AIM: AURA)
Aura Energy is an Australian-based minerals company with major uranium and battery metals projects
with significant resources in Africa and Europe. The Company primarily focuses on uranium production
from the Tiris Project, a significant greenfield uranium discovery in Mauritania.
A recent Enhanced Feasibility Study at Tiris has increased the project NPV significantly, reconfirming
the project as one of the lowest capex, lowest operating cost uranium projects that remain
undeveloped worldwide.
A Scoping Study into the Häggån Battery Metals Project in Sweden has outlined compelling economic
value. Aura plans to follow up this study with further exploration to lift the Resource categorisation
alongside close collaboration with the community surrounding the project to foster support to
In 2023, Aura will continue transitioning from a uranium explorer to a uranium producer to capitalise
on the rapidly growing demand for nuclear power as the world shifts towards a decarbonised energy
Disclaimer Regarding Forward-Looking Statements
This ASX announcement (Announcement) contains various forward-looking statements. All
statements other than statements of historical fact are forward-looking statements. Forward-looking
statements are inherently subject to uncertainties in that they may be affected by various known and
unknown risks, variables and factors which could cause actual values or results, performance, or
achievements to differ materially from the expectations described in such forward-looking
statements. The Company does not guarantee that the anticipated results, performance, or
achievements expressed or implied in those forward-looking statements will be achieved.
Competent Persons
The Competent Person for Exploration Target Estimation is Dr Michael Fletcher. The information in
the report to which this statement is attached relates to compiling Exploration Target data and is
based on information compiled by Dr Michael Fletcher. Dr Fletcher has sufficient relevant experience
in the preparation and compilation of exploration data across a broad range of deposits 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’. Dr Fletcher is a consultant to Aura Energy,
and a full-time employee of GeoEndeavours Pty Ltd. Dr Fletcher is a Member of the Australasian
Institute of Geoscientists and consents to the inclusion in the report of the matters based on his
information in the form and context in which it appears.
The Tiris Uranium Resource Estimate was reported in 2023 under the 2012 Edition of the “Australasian
Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves”. The Mineral
Resource Estimate was detailed in ASX announcement: “Major Resource Upgrade at Aura Energy’s
Tiris Project” 14 th February 2023. Aura confirms that it is not aware of any new information or data
that materially affects the information included in this announcement regarding the mineral resources
and that all material assumptions and technical parameters underpinning the estimates continue to
apply and have not materially changed.
Aura Energy Limited
Level 30 / 35 Collins St
Melbourne, VIC 3000
Aura Energy Limited
Level 30 / 35 Collins St
Melbourne, VIC 3000
Appendix 1 – Basis of Exploration Target
Mlbs U₃O₈ target
Category Rank Raw
of success
Holes Drill metres
to assess
Probability inputs
1a 9.5 0.9 8.6 2.1 512 3,584 94% of anomalies on currently held leases have returned extremely positive drilling results, and
the remaining six percent require further testing (the remaining six percent are in the next
low values
1b 1.3 0.6 0.8 0.2 108 756 large anomalies tested by just a few drillholes, which have returned subgrade values but
demonstrate a mineralised zone. In some cases, ground radiometrics suggest zone may thin.
stepout 1c 30.4 0.6 18.2 4.6 1257 8,799 Areas where drilling has not been closed off within a few hundred metres of current resources
or surrounding non-tested high radiometric anomalies.
1d 7.2 0.2 1.4 0.4 109 763 Lazare north shows that a large resource exists that is not associated with a high U-Radiometric
anomaly. Adjacent to sand dunes so probable sand cover subduing anomaly. This was given low
probablity due to unknown level of sand cover. Positive results from wide spaced drill test will
raise probability.
cover 2a 7.9 0.1 0.8 0.2 31 217 Satellite imagery shows a difference in surface cover that may limit the anomaly, masking the
radiometric signature. Wide spaced drilling required to test whether this is hiding anomaly, or
whether it is simply different rock type that is not mineralised.
low 2b 18.1 0.1 1.8 0.5 177 1,239 Satellite imagery shows sand cover. Radiometric and satellite imagery at different acquisition
times so not a direct comparison. This low level sand cover may move so unsure if this is a
factor. Limited wide-spaced drilling will test this, and potentially identify large volume targets.
2c 0.3 0.1 0.0 0.0 12 84 No anomaly but possible cover identified in satellite imagery
Total 32 8 2206 15,442
Table 5 – Ranking matrix for Exploration Targets based on radiometric signature and proximity to existing mineralisation.7
7 Note that lower range metal target has a 50% discount on both tonnage and grade
Aura Energy Limited
Level 30 / 35 Collins St
Melbourne, VIC 3000
Aura Energy Limited
Level 30 / 35 Collins St
Melbourne, VIC 3000
Appendix 2 – Maps showing Target category locations in relation to radiometric anomalies,
Resource boundaries and Satellite imagery.
Figure 3. Target Locations: Tiris East.
Figure 4. Lazare North, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred
resource outlines, and planned drillholes. Note that the western portion of the inferred resource is on a low
radiometric anomaly adjacent to a sand dune. Sand may be obscuring the radiometric signature. Drilling has
not been closed off. Especially note the large section of high radiometric anomaly that adjoins the Resource
and has only two drillholes.
Figure 5. Lazare South, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred
resource outlines, and planned drillholes.
Figure 6. Sadi, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred resource
outlines, and planned drillholes. Most of the drilling has not been closed off.
Figure 7. Marie F-G, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred
resource outlines, and planned drillholes. Drilling has not been closed off, and the high anomaly has not
been sufficiently tested.
Figure 8. Marie E-H, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred
resource outlines, and planned drillholes. Anomalies (need field confirmation) lie to the east of an elevated
feature and appear to have sand cover that may be shedding from that elevated feature. Drilling has not
been closed off.
Figure 9. Hippolyte West C, showing airborne U-radiometric anomalies, sand dunes, target categories,
inferred resource outlines, and planned drillholes. Note that drilling has not been closed off, and solid drill
results exist outside the resource.
Figure 10. Hippolyte West D, showing airborne U-radiometric anomalies, sand dunes, target categories,
inferred resource outlines, and planned drillholes. No previous drilling exists on this Target.
Figure 11. Hippolyte North, showing airborne U-radiometric anomalies, sand dunes, target categories,
inferred resource outlines, and planned drillholes. Note the presence of sand dunes, so part of the
radiometric anomaly may be obscured. Also, note drilling that has not been closed off.
Figure 12. Hippolyte East, showing airborne U-radiometric anomalies, sand dunes, target categories, inferred
resource outlines, and planned drillholes.
Figure 13. Hippolyte South, showing airborne U-radiometric anomalies, sand dunes, target categories,
inferred resource outlines, and planned drillholes. Note resources are open, and drilling has not been closed
Posted at 15/9/2023 10:12 by aim_trader
Aura Energy is presenting at the Proactive One2One Investor Forum on Wednesday 20th September from 6pm. Details and registration can be found here: hxxps://
Posted at 19/10/2022 10:46 by the count of monte_cristo
One of only a handful of uranium projects ready to become a mine in this decade, the value will start to come here as investors start to look for undervalued uranium companies.
Posted at 12/10/2022 10:14 by danmart2
Latest update is no update from the fir,but lots of big buys on the Australian listing including a 20m share purchase.

Lots of investors expecting the resource forecast for Tiris to be doubled, news due on this development, I recall they wrote in a previous RNS it would be announced in the 4th quarter.

I presume they will combine the resource upgrade and the mine construction news together?
Posted at 24/3/2022 14:23 by danmart2
Why are some investors predicting an upwards re-rate at the end of this month?
Posted at 02/3/2022 02:24 by the count of monte_cristo
CEO saying that the company want to sell the story to investors and get the story out there, but then can't be bothered replying to PI's emails, lol:))

I think some of these companies look down on us PI's, but would bend over backwards for funds and meals with these types, at shareholders expense but end up with no investment. Meanwhile, us lowly PI's are the ones who make up the daily trading and day to day share price movements, increasing or decreasing the companies market cap and making it more likely to raise funds if the share price increases and therefore the market cap. It has always been this way and will always be this way. The average PI is looked down on as a nuisance by many of these CEO's, but actually we are the life blood of these exploration companies.
Posted at 05/10/2021 07:30 by the count of monte_cristo
Thanks for sharing, the Aussie investors understand resource stocks much better than the UK investors. Just two days until we find out who is the offtake partner, surely has to be the Chinese:)

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