Bekisopa In-fill Drilling Update
Released
Released
Announcement PDF
ASX Release
24 October 2022
Successfully completed the Bekisopa In-fill drilling campaign
aimed at confirming the start-up DSO resource
Highlights:
•
Completed 85 in-fill drill holes, 3 more than planned
•
Drilled 1,165.4 metres, 315 metres more than planned due to significant iron
intercepts
•
Iron mineralization was encountered in every hole
•
Safely completed the drilling in six weeks, with the first assay samples ready to
dispatch to ALS Perth
•
Scoping Study will be completed on schedule with the final report and financial
model presently being reviewed and a market update due early November
AKORA Resources Managing Director Paul Bibby, commented “The increased metreage
and the number of drill holes is largely due to significant intercepts of iron mineralisation,
potentially Direct Ship Ore (DSO). Once assayed and incorporated into the resource model
these iron grades will confirm the potential DSO tonnes and grade that should support a
productive low-cost iron ore operation aimed at generating early cash flows. As far as
practicable, the drilling outcomes have been fed into the Scoping Study which is due for
completion on schedule in early November.”
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Introduction
AKORA Resources (“AKORA” or “the Company”) (ASX Code: AKO) is pleased to provide
shareholders with an update on the completion of the 2022 Bekisopa Southern Zone Direct
Ship Ore (DSO) in-fill drilling campaign on tenement PR 10430. Drilling commenced on 8
September and was successfully completed on 18 October.
The drilling contractor, CDS, and the Geological team, VATO Consulting, with great
assistance from community workers from the nearby Bekisopa and Tanamarina villages
completed 1,165.4 metres, at a 94% drill core recovery.
The in-fill drilling campaign was conducted on only one-sixth of the known 6km strike length
and therefore, potential exists to increase the DSO tonnage later with further drilling.
Bekisopa Southern Zone 2022 DSO In-Fill Drilling Campaign
Drilling in 2020 and 2021 demonstrated potential for a substantial high-grade DSO tonnage at
Bekisopa. AKORA planned an in-fill drilling campaign to better define this DSO tonnage and
grade. The results will enable AKORA to develop a relatively low capital and low operating
cost start-up DSO operation.
The location of the in-fill drill holes was determined with reference to the DSO assays from
the 2020-2021 drilling and further targets the near-surface eastern and western areas in the
Southern Zone where previous drilling intercepted high-grade iron mineralization, (see
Figure 1). In-fill drilling programme was conducted on a 50-metre by 50-metre grid. Drill hole
depth ranged from 5.6 metres to 29.6 metres, averaging 13.6 metres.
Figure 1.
The in-fill drilling grid on the eastern and western areas of the Southern Zone. The drilling comprises 85
drill holes for 1,165 meters. Three extra drill holes were incorporated into the campaign, in all an extra
315 meters, a 37% increase, than planned was drilled.
Generally, mineralized intercepts were thicker than anticipated, hence an additional 315
metres or 37% more meters were drilled than planned. The first batch of assay pulps is
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being prepared for dispatch to ALS Perth, and when completed these results should produce
a better-defined DSO Resource for production planning.
Following are examples of the 2022 in-fill drill core at surface with encouraging iron
mineralisation believed suitable for DSO lump and fines iron ore products, Figures 2 (a) to
(d).
(a)
(b)
(c)
(d)
Figure 2.
Drill core from the in-fill drilling showing high-grade iron mineralisation as determined by magnetic
susceptibility reading of >1000, these drill intercepts appear to be between ~10m to ~14 m thick.
Figure 3.
The drill rig in operation where generally the drilling water/fluids are a reddish color
like the surrounding ground and occasionally the drilling fluid turns black
(a) indicating a high grade magnetite intercept, corresponding drill core from
3.8 to 4.8m showing a black mineralisation compared to the typical red at 0 to 2.6m.
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Figure 4.
Visitors from the Mining Ministry at Bekisopa on 5 October.
Following the Bekisopa site visit by members of the Ministry of Mines, the Company was
invited to inspect the OMNIS Mineral Processing Laboratory in Antananarivo to observe
preparation of the Bekisopa in-fill drilling samples. This laboratory is well equipped and
conducts its activities in accordance with the Company’s prescribed quality assurance and
quality controls, transforming drill core samples into assay pulps for testing at ALS Perth.
Figure 5 shows various stages of sample preparation of the drill core material from
Bekisopa. The black and dark red color ground material is typically higher grade iron and the
lighter color samples being lower iron grade or the country rock intercepted below the iron
mineralisation.
(a)
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(b)
(c)
(d)
(e)
(f)
Figure 5.
Bekisopa DSO in-fill drill core samples at various stages of preparation at the Antananarivo OMNIS
Laboratory. Drill core samples as received from site (a), dried and crushed samples to be ground (b),
freshly ground sample (c), ground sample (d), weighing 100gm ground sample for assaying (e) and
packaged and labeled assay samples ready for dispatch to ALS Perth.
Conclusion
The 2022 DSO in-fill drilling campaign was successfully completed on 18 October 2022, with
1,165.4 metres drilled and most importantly, every drill hole intercepting iron mineralisation.
Assay samples are progressively being prepared with all results due in Q1 2023. The
Company proposes to update the market progressively as assays are received. The Company
expects that these iron assays will better define this DSO tonnage and grade across the
Southern Zone and enable the quantification of a higher quality DSO Mineral Resource
calculation.
As stated above, the in-fill drilling programme was conducted on only one-fifth of the strike
length in tenement PR 10430 and accordingly, the Company believes there is possibility to
increase the potential DSO tonnage with further drilling.
The 2022 Mineral Resource findings and these in-fill drilling observations have been
incorporated into the AKORA – Wardell Armstrong International Scoping Study report.
For further information please contact:
Paul G Bibby
Managing Director
Phone +61(0) 419 449 833
www.akoravy.com
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Peter Taylor
Investor Relations
Phone +61(0) 412 036 231
Peter@nwrcommunications.com.au
About AKORA Resources
AKORA Resources (ASX: AKO) is an exploration company engaged in the exploration and
development of the Bekisopa, Tratramarina and Ambodilafa Projects. All iron ore prospects in
Madagascar where AKORA holds some 308 km2 of tenements across these three prospective
exploration areas. Bekisopa Iron Ore Project is a high-grade iron ore project with an ~6km strike
length and a proven inferred resource of 194.7million tonnes. Bekisopa has outcropping and
weathered zone DSO iron ore and potential to produce a premium grade +68% iron concentrate
suitable for Direct Reduced Iron pellets for the Green Steel future.
Competent Person Statement
The information in this statement that relates to Exploration Targets and Exploration Results is based on
information compiled by Mr Jannie Leeuwner – BSc (Hons) Pr.Sci.Nat. MGSSA and is a full-time employee of
Vato Consulting LLC. Mr. Leeuwner is a registered Professional Natural Scientist (Pr.Sci.Nat. - 400155/13) with
the South African Council for Natural Scientific Professions (SACNASP). Mr. Leeuwner has sufficient experience
which is relevant to the style of mineralisation and type of deposits under consideration and the activity being
undertaken to qualify as a Competent Person as defined in the Note for Mining Oil & Gas Companies, June 2009,
of the London Stock Exchange and the 2012 Edition of the ‘Australian Code for Reporting of Exploration Results,
Mineral Resources and Ore Reserves’ (JORC Code). Mr. Leeuwner consents to the inclusion of the information
in this release in the form and context in which it appears.
Competent Person’s Statement
The information in this report that relates to Mineral Processing and related scientific and technical information, is
based on, and fairly represents information compiled by Mr Paul Bibby. Mr Bibby is a Metallurgist and Managing
Director of Akora Resources Limited (AKO), as such he is a shareholder in Akora Resources Limited. Mr Bibby
is a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM). Mr Bibby has sufficient experience
which is relevant to the styles of mineralisation and its processing under consideration and to the activity which
he is undertaking to qualify as a Competent Person as defined in the JORC Code. Mr Bibby consents to the
inclusion in this report of the matters based on his information in the form and context in which it appears
including analytical, test data and mineral processing results.
Authorisation
This announcement has been authorised by the AKORA Resources Board of Directors on
24 October 2022.
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JORC Code, 2012 Edition - Table 1 - Bekisopa Project
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections.)
Criteria
JORC Code explanation
Sampling
techniques
• Nature and quality of sampling (eg cut channels, random chips, or
specific specialised industry standard measurement tools appropriate
to the minerals under investigation, such as down hole gamma
sondes, or handheld XRF instruments, etc). These examples should
not be taken as limiting the broad meaning of sampling.
• Include reference to measures taken to ensure sample representivity
and the appropriate calibration of any measurement tools or systems
used.
• Aspects of the determination of mineralisation that are Material to the
Public Report.
• In cases where ‘industry standard’ work has been done this would be
relatively simple (eg ‘reverse circulation drilling was used to obtain 1
m samples from which 3 kg was pulverised to produce a 30 g charge
for fire assay’). In other cases more explanation may be required,
such as where there is coarse gold that has inherent sampling
problems. Unusual commodities or mineralisation types (eg
submarine nodules) may warrant disclosure of detailed information.
• Drill type (eg core, reverse circulation, open-hole hammer, rotary air
blast, auger, Bangka, sonic, etc) and details (eg core diameter, triple
or standard tube, depth of diamond tails, face-sampling bit or other
type, whether core is oriented and if so, by what method, etc).
•
•
Conventional wireline diamond drilling is used to obtain all
drillcore and drilling is undertaken with a EP200 man portable
drilling rig. Nominal core diameter is 63.5mm (HQ) in 0.5-1.5m
runs. Drill holes are inclined at -90° (vertical) and core is not
orientated. A total of 85 diamond holes (BEKD64 to BEKD148)
and 1165.35m drilled.
• Method of recording and assessing core and chip sample recoveries
and results assessed.
• Measures taken to maximise sample recovery and ensure
representative nature of the samples.
• Whether a relationship exists between sample recovery and grade
and whether sample bias may have occurred due to preferential
•
•
Core recovery is measured every run by geologists.
Core recoveries of 94% on average were achieved for sampled
core.
No bias or relationship has been observed between recovery
and grade.
Drilling
techniques
Drill sample
recovery
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Commentary
•
•
•
•
Diamond drilling was used to obtain HQ size core, with the
weathered (friable) core split using a chisel/hammer and fresh
(competent) core cut using a diamond blade core saw.
Samples were taken along the depth intervals and lithological
sub-division mark-ups to gather representative samples.
Sampling consists of approx. 1m samples of ½ core with breaks
at lithological discontinuities - typical 1-5kg.
Sample preparation and analysis are pending.
Criteria
Logging
JORC Code explanation
loss/gain of fine/coarse material.
• Whether core and chip samples have been geologically and
geotechnically logged to a level of detail to support appropriate
Mineral Resource estimation, mining studies and metallurgical
studies.
• Whether logging is qualitative or quantitative in nature. Core (or
costean, channel, etc) photography.
• The total length and percentage of the relevant intersections logged.
Commentary
•
•
•
•
•
•
•
•
Subsampling
techniques
and sample
preparation
8|Page
• If core, whether cut or sawn and whether quarter, half or all core
taken.
• If non-core, whether riffled, tube sampled, rotary split, etc and
whether sampled wet or dry.
• For all sample types, the nature, quality and appropriateness of the
sample preparation technique.
• Quality control procedures adopted for all sub-sampling stages to
•
•
A set of standard operating procedures for drilling and sampling
were prepared by the company and Vato Consulting, who is
supervising the program, and these are always adhered to.
All drill core is logged quantitatively using industry standard
practice on site in enough detail to allow mineral resource
estimates as required.
Logging included: core recovery %, primary lithology, secondary
lithology, weathering, colour, grain size, texture, mineralisation
type (generally magnetite or hematite), mineralisation style,
mineralisation %, structure, magnetic susceptibility (see below),
notes (longhand).
All core is photographed both wet and dry and as both whole
and half core.
All core is geotechnically logged and RQD’s calculated for every
core run.
All drill-holes are logged using a ZH-SM30 magnetic
susceptibility meter to enable accurate distinction of iron
(magnetite) rich units and to potentially differentiate between
magnetite and hematite rich mineralisation. Readings recorded
in 25cm intervals.
Density measurements are made using both the Archimedes
method (mainly fresh competent rock) and the Caliper Vernier
(mainly weathered friable rock) methods.
All diamond core holes logged in their entirety.
A set of standard operating procedures for drilling and sampling
were prepared by the company and Vato Consulting, who is
supervising the program, and these are always adhered to.
All core is fitted together so that a consistent half core could be
collected, marked up with a “top” line (line perpendicular to dip
and strike, or main foliation), sample intervals decided and
Criteria
JORC Code explanation
maximise representivity of samples.
• Measures taken to ensure that the sampling is representative of the in
situ material collected, including for instance results for field
duplicate/second-half sampling.
• Whether sample sizes are appropriate to the grain size of the material
being sampled.
Commentary
•
•
Quality of
assay data
and
laboratory
tests
Verification
of sampling
and
assaying
Location of
data points
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• The nature, quality and appropriateness of the assaying and
laboratory procedures used and whether the technique is considered
partial or total.
• For geophysical tools, spectrometers, handheld XRF instruments, etc,
the parameters used in determining the analysis including instrument
make and model, reading times, calibrations factors applied and their
derivation, etc.
• Nature of quality control procedures adopted (eg standards, blanks,
duplicates, external laboratory checks) and whether acceptable levels
of accuracy (ie lack of bias) and precision have been established.
• The verification of significant intersections by either independent or
alternative company personnel.
• The use of twinned holes.
• Documentation of primary data, data entry procedures, data
verification, data storage (physical and electronic) protocols.
• Discuss any adjustment to assay data.
• Accuracy and quality of surveys used to locate drill holes (collar and
down-hole surveys), trenches, mine workings and other locations
used in Mineral Resource estimation.
• Specification of the grid system used.
marked up and the core subsequently cut in half using a core
saw, separating samples into the marked-up intervals. If the
core is weathered (friable), it is split in half using a hammer and
chisel. The intervals are nominally 1m, but smaller intervals are
marked if a change in geology occurred within the 1m interval.
The half core sample intervals are placed into polythene bags
along with a paper sample tag. This is then sealed using a cable
tie and placed into a second polythene bag with a second paper
tag and this is sealed using a cable tie.
Sample batch transport to and subsequent preparation at the
preparation laboratory facility in Antananarivo (OMNIS) are
pending.
•
No assaying has been undertaken as yet on the drillholes being
reported.
•
As assaying has not yet been undertaken, only qualitative
descriptions are reported, and magnetic susceptibility readings
are recorded.
•
Drillhole collars have been provisionally located using a handheld GPS (+/-2-3m accuracy). Final collar locations will be
completed at the end of the drilling program by using differential
GPS (dGPS) (with an accuracy to cm).
Criteria
JORC Code explanation
• Quality and adequacy of topographic control.
Commentary
•
•
Data
spacing and
distribution
• Data spacing for reporting of Exploration Results.
• Whether the data spacing and distribution is sufficient to establish the
degree of geological and grade continuity appropriate for the Mineral
Resource and Ore Reserve estimation procedure(s) and
classifications applied.
• Whether sample compositing has been applied.
•
•
•
Orientation
of data in
relation to
geological
structure
• Whether the orientation of sampling achieves unbiased sampling of
possible structures and the extent to which this is known, considering
the deposit type.
• If the relationship between the drilling orientation and the orientation
of key mineralised structures is considered to have introduced a
sampling bias, this should be assessed and reported if material.
•
•
•
Sample
security
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• The measures taken to ensure sample security.
•
The grid system used is UTM, WGS84, Zone 38 Southern
Hemisphere
An accurate topographic survey was completed in 2021 by
FUTURMAP, a local surveying consultant. The survey was
conducted using PHANTOM 4 Pro type drones, and a pair of
LEICA System 1200 dual frequency GPS. An accuracy of 10mm
horizontal and 20mm vertical is quoted.
Data spacing nominally at 50m x 50m for infill drillhole collars
within the southern mineralisation zone. The high-grade iron
mineralisation suitable for Direct Shipping Ore (DSO) within the
regolith (weathered material) as identified by previous drilling in
2020/2021 (an estimate of 4.2Mt) are covered by the infill drilling
program.
The data spacing and distribution is considered appropriate to
establish geological and grade continuity for the style of
mineralisation being intersected and the classification of Mineral
Resources.
No sample compositing has been applied.
The ironstone unit has a strong north-south trend with a steep to
shallow westerly dip. The ironstone unit has a conspicuous
regolith zone with completely to highly weathered material up to
10-20m deep. The regolith hosts iron mineralisation with enrich
DSO parts.
The vertical infill drillholes to test the mineralisation in the
regolith (weathered zone).
No sample known bias present.
Chain of Custody procedures are implemented to document the
possession of the samples from collection through to storage,
customs, export, analysis, and reporting of results. Chain of
Criteria
JORC Code explanation
Commentary
•
•
Audits or
reviews
• The results of any audits or reviews of sampling techniques and data.
•
custody forms are a permanent records of sample handling and
off-site dispatch.
The on-site Geologist is responsible for the care and security of
the samples from the sample collection to the export stage.
Samples prepared during the day are stored in the preparation
facility in labelled sealed plastic bags.
Samples will be delivered to the preparation laboratory and
subsequent analytical laboratory by courier.
No audit has been conducted.
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
Criteria
JORC Code explanation
Mineral
tenement
and land
tenure
status
• Type, reference name/number, location and ownership including
agreements or material issues with third parties such as joint
ventures, partnerships, overriding royalties, native title interests,
historical sites, wilderness or national park and environmental
settings.
• The security of the tenure held at the time of reporting along with any
known impediments to obtaining a licence to operate in the area.
Commentary
•
•
•
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The Company completed the acquisition of the minority interest
in Iron Ore Corporation of Madagascar sarl held by Cline Mining
Corporation on 5 August 2020.
The Company holds through Iron Ore Corporation of
Madagascar sarl, Universal Exploration Madagascar sarl and a
Farm-in Agreement 12 exploration permits in three
geographically distinct areas. All administration fees due and
payable to the Bureau du Cadastre Minier de Madagascar
(BCMM) have been and accordingly, all tenements are in good
standing with the government.
The tenements are set out in the below
Criteria
JORC Code explanation
Commentary
Exploration
done by
other parties
• Acknowledgment and appraisal of exploration by other parties.
•
Exploration has been conducted by UNDP (1976 - 78) and
BRGM (1958 - 62). Final reports on both episodes of work are
available and have been utilised in the recent IGR included in
the Akora prospectus. Airborne magnetics was flown for the
government by Fugro and has since been obtained, modelled
and interpreted by Cline Mining and Akora.
Geology
• Deposit type, geological setting and style of mineralisation.
•
The tenure was acquired by AKO during 2014 and work since
then has consisted of:
o Data compilation and interpretation;
o Confirmatory rock chip sampling (118 samples) and
mapping;
o Re-interpretation of airborne geophysical data;
o Ground magnetic surveying (305 line km’s);
o The 2020 drilling program of 1095.5m diamond core
drilling in 12 drillholes.
o The 2021 drilling program of 5117.02m diamond core
drilling in 52 drillholes.
The drilling has shown that the surface mineralisation continues
at depth, with at most a 25% increase in grade due to
weathering effects. However, it should be noted that some
•
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Criteria
JORC Code explanation
Commentary
•
•
•
Drill hole
Information
Data
aggregation
methods
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• A summary of all information material to the understanding of the
exploration results including a tabulation of the following information
for all Material drill holes:
o easting and northing of the drill hole collar
o elevation or RL (Reduced Level – elevation above sea level in
metres) of the drill hole collar
o dip and azimuth of the hole
o down hole length and interception depth
o hole length.
• If the exclusion of this information is justified on the basis that the
information is not Material and this exclusion does not detract from
the understanding of the report, the Competent Person should clearly
explain why this is the case.
• In reporting Exploration Results, weighting averaging techniques,
maximum and/or minimum grade truncations (eg cutting of high
grades) and cut-off grades are usually Material and should be stated.
• Where aggregate intercepts incorporate short lengths of high grade
•
•
•
downslope creep of scree from these units may exaggerate
apparent width at surface.
The mineralisation occurs as a series of magnetite bearing
gneisses and calc-silicates that occur as zones between 50m
and 150m combined true width.
The mineralisation occurs as layers of massive magnetite
(sometimes altered to hematite) between 1m and 7m true width
plus a lower grade zone that consists of lenses, stringers,
boudins and blebs of magnetite aggregates that vary from 1cm
to 10’s of cm wide within a calc-silicate/gneiss unit (informally
termed “coarse disseminated” here). These units sometimes
have an outer halo of finer disseminated magnetite (informally
termed “disseminated” here).
This wide mineralisation halo provides a large tonnage potential
over the 6-7km strike of mapped mineralisation and associated
magnetic anomaly within the Akora tenement.
All relevant drillhole information related to the 2020/2021 drilling
programs have been previously reported to the ASX. No material
changes have occurred to this information since it was originally
reported.
Another 86 diamond drillholes (BEKD64 to BEKD148) have been
completed in 2022 with drill collar data as stated in this release.
NA, sample preparation and analysis are pending.
Criteria
JORC Code explanation
•
results and longer lengths of low grade results, the procedure used
for such aggregation should be stated and some typical examples of
such aggregations should be shown in detail.
The assumptions used for any reporting of metal equivalent values
should be clearly stated.
These relationships are particularly important in the reporting of
Exploration Results.
If the geometry of the mineralisation with respect to the drill hole
angle is known, its nature should be reported.
If it is not known and only the down hole lengths are reported, there
should be a clear statement to this effect (eg ‘down hole length, true
width not known’).
Relationship
between
mineralisatio
n widths and
intercept
lengths
•
Diagrams
• Appropriate maps and sections (with scales) and tabulations of
intercepts should be included for any significant discovery being
reported These should include, but not be limited to a plan view of
drill hole collar locations and appropriate sectional views.
• Where comprehensive reporting of all Exploration Results is not
practicable, representative reporting of both low and high grades
and/or widths should be practiced to avoid misleading reporting of
Exploration Results.
• Other exploration data, if meaningful and material, should be reported
including (but not limited to): geological observations; geophysical
survey results; geochemical survey results; bulk samples – size and
method of treatment; metallurgical test results; bulk density,
groundwater, geotechnical and rock characteristics; potential
deleterious or contaminating substances.
• The nature and scale of planned further work (eg tests for lateral
extensions or depth extensions or large-scale step-out drilling).
• Diagrams clearly highlighting the areas of possible extensions,
including the main geological interpretations and future drilling areas,
provided this information is not commercially sensitive.
Balanced
reporting
Other
substantive
exploration
data
Further work
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•
•
Commentary
•
NA, sample preparation and analysis are pending.
•
All relevant maps and tabulations of drill hole collars provided in
this release.
•
NA, sample preparation and analysis are pending.
•
NA
•
Drilling was competed, sample preparation and analysis to
follow.
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