MTD026 Aqua Regia Testwork Confirms Nickel Sulphide
ASX RELEASE
31 AUGUST 2023
MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
HIGHLIGHTS
• Shallow interval of mineralisation from hole MTD026 was sampled for aqua regia testwork
• Comparison of nickel assay by four acid (4A) versus aqua regia (AR) digest suggests high
percentage of nickel in sulphide form versus silicate nickel
• Intersection demonstrates better than 98% similarity in assay results:
MTD026
Four Acid
130m at 0.305% Ni, 136ppm Co, 122ppm Cu from 116m
Aqua Regia
130m at 0.300% Ni, 132ppm Co, 121ppm Cu from 116m
• Shallow intersection of mineralisation was selected from the top 250 vertical metres of the hole amenable to open pit mining
• Similar results previously seen in holes MTD012, MTD022 and MTD023 - showing shallow zone of
nickel sulphide mineralisation could extend ~2.3km across Mulga Tank Complex
• Potential for Mulga Tank to host very significant volumes of nickel in sulphide form
Western Mines Group Ltd (WMG or Company) (ASX:WMG) is pleased to update shareholders on aqua regia
testwork results from the Mulga Tank Ni-Cu-PGE Project. Assay results have been received for the shallow
interval of nickel sulphide mineralisation recently observed from hole MTD026. Similar work was previously
conducted on hole MTD020 (ASX, MTD020 Assays Confirm Extensive Working Mineral System, 7 November
2022) and holes MTD012, MTD022 and MTD023 (EIS1) (ASX, Aqua Regia Testwork Confirms Nickel Sulphide
Association, 6 April 2023).
A comparison of nickel assay results by four acid versus aqua regia digest was undertaken. Four acid is
considered a near total digestion technique that breaks down most silicate and oxide minerals whereas aqua
regia is considered a partial digestion technique that does not dissolve silicate minerals but does dissolve
soluble sulphide minerals. The results of the comparison testwork suggests a high percentage of nickel in
sulphide form versus silicate nickel, with the 130m intersection showing better than 98% similarity in results.
These are very positive results indicating nickel is very likely predominantly associated with sulphide
mineralisation. Broad intervals of shallow mineralisation (within the top 250 vertical metres) have now been
tested by this method in four drill holes over some 2.3km. Assuming this mineralisation is laterally continuous,
these results demonstrate the potential for the Complex to host significant volumes of nickel in sulphide form
within a large near surface, open pit scenario for the Mulga Tank Project.
Western Mines Group Ltd
Level 3, 33 Ord Street
West Perth WA 6005
ASX:WMG
Telephone: +61 475 116 798
Email: contact@westernmines.com.au
www.westernmines.com.au
Shares on Issue: 60.55m
Share Price: $0.475
Market Cap: $28.76m
Cash: $3.27m (30/06/23)
1
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Commenting on the aqua regia results, WMG Managing Director Dr Caedmon Marriott said:
“This basic comparison testwork has now been completed on five holes showing significant
intersections of disseminated sulphide mineralisation and attempts to further prove the
disseminated nickel mineralisation at Mulga Tank is hosted in potentially recoverable sulphide form
- these very positive results clearly demonstrate it likely is.
We’re conscious of exploring by economics and deliberately selected shallow intervals found in the
top few hundred vertical metres that could be amenable to a large scale open pit scenario. Shallow
intersections from four holes, MTD012, MTD022, MTD023 and MTD026 appear laterally
continuous over some 2.3km, though a lot of further drilling is required to confirm this.
Even considering just these uppermost intersections, the drilling results to date show the potential
for the Mulga Tank Complex to host large volumes of nickel in sulphide form. Further infilling drilling
is planned to test the continuity, with a potentially very significant shallow nickel sulphide resource
there for us to go after.”
FOUR ACID AND AQUA REGIA DIGEST COMPARISON
Samples from the shallow interval of mineralisation seen in hole MTD026 were submitted for further analysis by
aqua regia digest in addition to the previous four acid digest analysis. Similar comparison work was previously
undertaken on the broad intersection of mineralisation seen in hole MTD020 (ASX, MTD020 Assays Confirm
Extensive Working Mineral System, 7 November 2022) and holes MTD012, MTD022 and MTD023 (EIS1) (ASX,
Aqua Regia Testwork Confirms Nickel Sulphide Association, 6 April 2023).
Four acid digestion uses a combination of nitric, perchloric and hydrofluoric acid with a final dissolution stage
using hydrochloric acid. This digestion breaks down most silicate and oxide minerals allowing for the “near-total”
analysis of most minerals. In comparison, aqua regia digestion is a partial digestion technique using nitric and
hydrochloric acid. Aqua regia is less aggressive and does not dissolve silicate minerals and, as such, silicate
associated nickel minerals such as that within olivine should not be dissolved to any significant degree.
A semi-quantitative assessment or comparison can be conducted on the two techniques to indicate the
proportion of nickel mineralisation associated with sulphide (and potentially iron), relative to that of nickel in
silicate (which is typically unrecoverable during beneficiation processing).
The results of this comparison testwork demonstrate very encouraged results for the interval selected with
better than 98% similarity in results - indicating nickel is predominantly associated with sulphide mineralisation.
HOLE MTD026
Ninety-four, mostly 1m and 2m samples, were selected from hole MTD026 covering the interval of significant
disseminated nickel mineralisation between 116m to 246m depth downhole (130m at 0.31% Ni, 136ppm Co
and 122ppm Cu) as well as less well mineralised samples either side.
The aqua regia assay results for this interval appear to indicate predominant nickel in sulphide with better than
98% similarity in the results (Table 1):
Four Acid
130m at 0.305% Ni, 136ppm Co, 122ppm Cu from 116m
Aqua Regia
130m at 0.300% Ni, 132ppm Co, 121ppm Cu from 116m
ASX:WMG
www.westernmines.com.au
2
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Figure 1: MTD026 Comparison of four acid (4A) versus aqua regia (AR) assay results
PREVIOUS AQUA REGIA TESTWORK
Similar comparison work was previously undertaken on the broad intersections of mineralisation seen in holes
MTD012, MTD020, MTD022 and MTD023 (ASX, MTD020 Assays Confirm Extensive Working Mineral System, 7
November 2022; Aqua Regia Testwork Confirms Nickel Sulphide Association, 6 April 2023).
The aqua regia assay results for the intervals from all of these holes showed better than 97% similarity in results
and indicated predominant nickel in sulphide form (Table 1):
Four Acid
HoleID
From
(m)
To (m)
Interval
(m)
Co
(ppm)
Ni (%)
Aqua Regia
Cu
(ppm)
Ni (%)
Ni AR/
4A
Co
(ppm)
Co AR/
4A
Cu
(ppm)
Cu AR/
4A
MTD012
177
227
50
0.32
124
25
0.31
97.1%
115
92.8%
25
100.0%
MTD022
108
192
84
0.32
128
49
0.32
99.9%
123
96.0%
49
100.0%
MTD023
118
196
78
0.28
131
70
0.27
97.2%
124
94.3%
70
99.8%
MTD026
116
246
130
0.31
136
122
0.30
98.6%
132
97.6%
121
99.6%
Table 1: Summary of four acid (4A) versus aqua regia (AR) assay results
DISCUSSION
In the absence of magmatic sulphide processes nickel is incorporated into olivine during crystallisation and
essentially trapped within the dunite host rock. Whereas, in “live” sulphur saturated mineral systems the nickel
will partition into potentially “recoverable” nickel sulphide form.
This simple comparison testwork attempts to provide a semi-quantitative analysis of the proportion of nickel in
sulphide, relative to silicate nickel. Better than 98% similarity in the interval assays by the two digestion
techniques was seen in hole MTD026 and better than 97% similarity was previously seen for holes MTD012,
MTD020, MTD022 and MTD023 (ASX, Aqua Regia Testwork Confirms Nickel Sulphide Association, 6 April
2023; MTD020 Assays Confirm Extensive Working Mineral System, 7 November 2022).
ASX:WMG
www.westernmines.com.au
3
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
These very positive results suggest nickel is likely predominantly associated with sulphide
mineralisation.
From the limited drilling to date similar broad intervals of shallow disseminated mineralisation, within the top 250
vertical metres, have been seen across holes MTD012-MTD022-MTD023-MTD026 approximately 2.3km apart.
These uppermost shallow intersections are potentially amenable to a large scale open pit scenario and were
deliberately selected for this initial testwork, being mindful of potential economics whilst exploring.
Together these holes begin to hint at the possible lateral extent of this mineralisation but a lot more infill drilling
will be required to confirm this. The advantage in targeting this shallow zone is it is could be fairly rapidly drilled
out with RC drilling in parallel with the ongoing deeper diamond drilling for massive sulphide targets. The
feasibility of this will be tested over the next few months.
Figure 2: Cross Section through the western side of the Mulga Tank Ultramafic Complex through holes
MTD012 to MTD026
These early stage exploration results are starting to show the potential for the Mulga Tank Complex to host very
significant volumes of nickel in sulphide form. The Company looks forward to updating shareholders on the
continuing progress as this exciting drilling program develops.
For further information please contact:
Dr Caedmon Marriott
Managing Director
Tel: +61 475 116 798
Email: contact@westernmines.com.au
This announcement has been authorised for release to the ASX by Dr Caedmon Marriott, Managing Director
ASX:WMG
www.westernmines.com.au
4
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
ABOUT WMG
Western Mines Group Ltd
Western Mines Group Ltd (ASX:WMG) is a mineral exploration company driven by the goal
ACN 640 738 834
Level 3, 33 Ord Street
West Perth
WA 6005
to create significant investment returns for our shareholders through exploration and
discovery of high-value gold and nickel sulphide deposits across a portfolio of highlyprospective projects located on major mineral belts of Western Australia.
Our flagship project and current primary focus is the Mulga Tank Ni-Cu-PGE Project, a
Board
Rex Turkington
Non-Executive Chairman
Dr Caedmon Marriott
Managing Director
major ultramafic complex found on the under-explored Minigwal Greenstone Belt.
Exploration results show significant evidence for an extensive working nickel sulphide
mineral system and is considered highly prospective for Ni-Cu-PGE mineralisation.
The Company’s primary gold project is Jasper Hill, where WMG has strategically
Francesco Cannavo
Non-Executive Director
consolidated a 3km mineralised gold trend with walk-up drill targets. WMG has a diversified
Dr Benjamin Grguric
Technical Director
Leonora in the heart of the WA Goldfields; Youanmi (Au), Pavarotti (Ni-Cu-PGE), Rock of
Capital Structure
Shares: 60.55m
Options: 21.12m
Share Price: $0.475
Market Cap: $28.76m
Cash (30/06/23): $3.27m
Follow us
portfolio of other projects including Melita (Au, Cu-Pb-Zn), midway between Kookynie and
Ages (Au), Broken Hill Bore (Au) and Pinyalling (Au, Cu, Li).
COMPETENT PERSONS STATEMENT
The information in this announcement that relates to Exploration Results and other technical
information complies with the 2012 Edition of the Australasian Code for Reporting of
Exploration Results, Mineral Resources and Ore Reserves (JORC Code) and has been
compiled and assessed under the supervision of Dr Caedmon Marriott, Managing Director
of Western Mines Group Ltd. Caedmon is a Member of the Australian Institute of
@westernmines
Geoscientists, a Member of the Society of Economic Geologists and a Member of the
westernmines
Australasian Institute of Mining and Metallurgy. He has sufficient experience that is relevant
Western Mines Group
to the style of mineralisation and type of deposit under consideration and to the activity
being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the
JORC Code. Caedmon consents to the inclusion in this announcement of the matters
based on his information in the form and context in which it appears.
DISCLAIMER
Some of the statements appearing in this announcement may be in the nature of forward looking statements. You should be
aware that such statements are only predictions and are subject to inherent risks and uncertainties. Those risks and
uncertainties include factors and risks specific to the industries in which WMG operates and proposes to operate as well as
general economic conditions, prevailing exchange rates and interest rates and conditions in the financial markets, among
other things. Actual events or results may differ materially from the events or results expressed or implied in any forward
looking statement. No forward looking statement is a guarantee or representation as to future performance or any other
future matters, which will be influenced by a number of factors and subject to various uncertainties and contingencies, many
of which will be outside WMG’s control.
WMG does not undertake any obligation to update publicly or release any revisions to these forward looking statements to
reflect events or circumstances after today's date or to reflect the occurrence of unanticipated events. No representation or
warranty, express or implied, is made as to the fairness, accuracy, completeness or correctness of the information, opinions
or conclusions contained in this announcement. To the maximum extent permitted by law, none of WMG, its Directors,
employees, advisors or agents, nor any other person, accepts any liability for any loss arising from the use of the information
contained in this announcement. You are cautioned not to place undue reliance on any forward looking statement. The
forward looking statements in this announcement reflect views held only as at the date of this announcement.
ASX:WMG
www.westernmines.com.au
5
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
MULGA TANK PROJECT
JORC CODE, 2012 EDITION - TABLE 1
SECTION 1: SAMPLING TECHNIQUES AND DATA
Criteria
Sampling
techniques
JORC Code explanation
Commentary
• Nature and quality of sampling (eg cut channels, • Diamond core drilling was completed using
random chips, or specific specialised industry
standard industry best practice
standard measurement tools appropriate to the • NQ2 diamond core was cut in half or quarters
minerals under investigation, such as down hole
and sampled on either geological or whole
gamma sondes, or handheld XRF instruments, etc).
metre intervals. Samples will be crushed and
These examples should not be taken as limiting the
pulverised to produce a sub-sample for
broad meaning of sampling.
analysis by either multi-element ICP-AES (MEICP61 and ME-ICP41), precious metals fire
• Include reference to measures taken to ensure
sample representivity and the appropriate calibration
assay (Au-AA25 or PGM-ICP23) and loss on
of any measurement tools or systems used.
ignition at 1,000°C (ME-GRA05)
Aspects
of
the
determination
of
mineralisation
that
•
• Portable XRF data collected at 50cm sample
are Material to the Public Report.
point spacing downhole, with a 20 second
beam time using 3 beams
In
cases
where
‘industry
standard’
work
has
been
•
done this would be relatively simple (eg ‘reverse • Model of XRF instrument was Olympus Vanta
circulation drilling was used to obtain 1 m samples
M Series
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.
Drilling
techniques
• Drill type (eg core, reverse circulation, open-hole • Diamond drilling comprised NQ2 core
hammer, rotary air blast, auger, Bangka, sonic, etc) • The core was orientated using a downhole
and details (eg core diameter, triple or standard tube,
orientation tool at the end of every run
depth of diamond tails, face-sampling bit or other
type, whether core is oriented and if so, by what
method, etc).
Drill sample
recovery
• Method of recording and assessing core and chip • Diamond core recoveries were logged and
sample recoveries and results assessed.
recorded in the database. Overall recoveries
were reported at >95% with no core loss
Measures
taken
to
maximise
sample
recovery
and
•
issues or significant sample recovery problems
ensure representative nature of the samples.
Diamond core was reconstructed into
•
Whether
a
relationship
exists
between
sample
•
continuous runs on an angle iron cradle for
recovery and grade and whether sample bias may
orientation marking. Depths were checked
have occurred due to preferential loss/gain of fine/
against the depth given on the core blocks
coarse material.
and rod counts were routinely carried out by
the drillers
• Some portions of the core with visible sulphide
veining were quartered and removed for thin
section and sulphide characterisation work,
this biased selection of mineralisation may
result in underreporting of grade
ASX:WMG
www.westernmines.com.au
6
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Criteria
JORC Code explanation
Commentary
Logging
• Whether core and chip samples have been • Information on structure type, dip, dip
geologically and geotechnically logged to a level of
direction, alpha angle, beta angle, texture,
detail to support appropriate Mineral Resource
shape and fill material were collected and
estimation, mining studies and metallurgical studies.
stored in the database
Logging of diamond core recorded lithology,
Whether
logging
is
qualitative
or
quantitative
in
•
•
mineralogy, mineralisation, structural,
nature. Core (or costean, channel, etc) photography.
weathering, colour, and other features of the
• The total length and percentage of the relevant
samples. Core was photographed in both dry
intersections logged.
and wet form
• Drillhole was logged in full, apart from rock
roller diamond hole pre-collar intervals
Sub-sampling
techniques
and sample
preparation
• If core, whether cut or sawn and whether quarter, half • Core was cut in half and sampled on either
or all core taken.
geological intervals or 1 or 2 metre lengths for
geochemical assay
If
non-core,
whether
riffled,
tube
sampled,
rotary
split,
•
etc and whether sampled wet or dry.
• Some portions of the core with visible sulphide
veining were quartered and removed for thin
• For all sample types, the nature, quality and
section and sulphide characterisation work
appropriateness of the sample preparation technique.
Samples were crushed and pulverised to
•
Quality
control
procedures
adopted
for
all
sub•
produce a sub-sample for analysis by either
sampling stages to maximise representivity of
multi-element ICP-AES (ME-ICP61 or MEsamples.
ICP41), precious metals fire assay (Au-AA25 or
• Measures taken to ensure that the sampling is
PGM-ICP23) and loss on ignition at 1,000°C
representative of the in-situ material collected,
(ME-GRA05)
including for instance results for field duplicate/
• Sample sizes are considered appropriate for
second-half sampling.
the grain size and style of sulphide
• Whether sample sizes are appropriate to the grain
mineralisation targeted
size of the material being sampled.
• The nature, quality and appropriateness of the • Samples analysed by four-acid digest multiassaying and laboratory procedures used and
element ICP-AES (ME-ICP61) or precious
whether the technique is considered partial or total.
metals fire assay (Au-AA25 or PGM-ICP23) are
considered total or near total techniques
For
geophysical
tools,
spectrometers,
handheld
XRF
•
instruments, etc, the parameters used in determining • Samples analysed by aqua regia digest multithe analysis including instrument make and model,
element ICP-AES (ME-ICP41) is considered a
Quality of
reading times, calibrations factors applied and their
partial technique of soluble sulphide
assay data
derivation, etc.
and laboratory
• Standards representative of the grade of
tests
mineralisation anticipated were inserted
• Nature of quality control procedures adopted (eg
standards, blanks, duplicates, external laboratory
approximately every 20-25 samples (4-5%)
checks) and whether acceptable levels of accuracy • ALS also follow their own QA/QC procedures
(i.e. lack of bias) and precision have been established.
using standards and blacks
• No issues with the assay data have been
observed
Verification of
sampling and
assaying
ASX:WMG
• The verification of significant intersections by either • Significant reported assay results were verified
independent or alternative company personnel.
by multiple alternative company personnel
• The use of twinned holes.
• Assay data was compiled into a SQL
database server
• Documentation of primary data, data entry
procedures, data verification, data storage (physical
and electronic) protocols.
• Discuss any adjustment to assay data.
www.westernmines.com.au
7
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Criteria
Location of
data points
Data spacing
and
distribution
JORC Code explanation
Commentary
• Accuracy and quality of surveys used to locate drill • Drill holes located using a handheld GPS with
holes (collar and down-hole surveys), trenches, mine
accuracy of +/-3m, downhole surveys used
workings and other locations used in Mineral
continuous gyro readings at 5m intervals
Resource estimation.
• Coordinates are in GDA94 UTM Zone 51
• Specification of the grid system used.
• Quality and adequacy of topographic control.
• Data spacing for reporting of Exploration Results.
• The drilling completed was reconnaissance in
nature designed to test specific geological and
• Whether the data spacing and distribution is sufficient
geophysical targets for first pass exploration
to establish the degree of geological and grade
purposes only
continuity appropriate for the Mineral Resource and
O re R e s e r v e e s t i m a t i o n p ro c e d u re ( s ) a n d • No sample compositing
classifications applied.
• Whether sample compositing has been applied.
• Whether the orientation of sampling achieves • The drilling was planned to be approximately
unbiased sampling of possible structures and the
perpendicular to the interpreted stratigraphy
extent to which this is known, considering the deposit
and footwall contact
Orientation of
type.
data in relation
to geological
• If the relationship between the drilling orientation and
structure
the orientation of key mineralised structures is
considered to have introduced a sampling bias, this
should be assessed and reported if material.
Sample
security
Audits or
reviews
• The measures taken to ensure sample security.
• Samples core was delivered to the laboratory
by company personnel
• The results of any audits or reviews of sampling • No audits or reviews of drilling sampling
techniques and data.
techniques or data by external parties at this
stage of exploration
• An internal review of sampling techniques and
data will be completed
SECTION 2: REPORTING OF EXPLORATION RESULTS
Criteria
JORC Code explanation
Commentary
Mineral
tenement and
land tenure
status
• Type, reference name/number, location and • Tenement E39/2132, tenement applications
ownership including agreements or material issues
E39/2223 and E39/2299
with third parties such as joint ventures, partnerships, • Held 100% by Western Mines Group Ltd
overriding royalties, native title interests, historical
• 1% NSR to original tenement holder
sites, wilderness or national park and environmental
• Native Title Claim by Upurli Upurli Nguratja not
settings.
yet determined
• The security of the tenure held at the time of reporting
No known historical or environmentally
•
along with any known impediments to obtaining a
sensitive areas within the tenement area
licence to operate in the area.
• Tenement is in good standing
Exploration
done by other
parties
• Acknowledgment and appraisal of exploration by • Previous exploration over the Mulga Tank
other parties.
project area by various companies dates back
to the 1980s
• Of these, more detailed exploration was
completed by BHP Minerals Pty Ltd (1982–
1984), MPI Gold Pty Ltd (1995–1999), North
Limited (1999–2000), King Eagle Resources
Pty Ltd (2004–2012), and Impact (2013–2018)
ASX:WMG
www.westernmines.com.au
8
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Criteria
JORC Code explanation
Commentary
Geology
• Deposit type, geological setting and style of • The geology of the project area is dominated
mineralisation.
b y t h e i r re g u l a r s h a p e d M u l g a Ta n k
serpentinised metadunite intrusive body
measuring ~5km x 5km, hosted within
metasediments, mafic to felsic schists and
foliated metagranite of the northwest trending
Archean Minigwal Greenstone Belt
• Previous drilling intersected disseminated and
narrow zones of massive nickel-copper
sulphide mineralisation within the dunite
intrusion
• The intrusion is concealed under variable
thicknesses of cover (reported up to 70 m in
places) with the interpretation of the bedrock
geology based largely on aeromagnetic data
and limited drilling
Drill hole
information
• A summary of all information material to the • A listing of the drill hole information material to
understanding of the exploration results including a
the understanding of the exploration results
tabulation of the following information for all Material
provided in the body of this announcement
drill holes:
• The use of any data is recommended for
indicative purposes only in terms of potential
• easting and northing of the drill hole collar
Ni-Cu-PGE mineralisation and for developing
• elevation or RL (Reduced Level – elevation above
exploration targets
sea level in metres) of the drill hole collar
• dip and azimuth of the hole
• down hole length and interception depth 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.
Data
aggregation
methods
• In reporting Exploration Results, weighting averaging • No metal equivalent values have been quoted
techniques, maximum and/or minimum grade • Results where stated have been normalised to
truncations (eg cutting of high grades) and cut-off
a volatile free sample based on the LOI at
grades are usually Material and should be stated.
1,000°C results using the formula M(VF) = M /
(100%-LOI%)
• Where aggregate intercepts incorporate short lengths
of high grade 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.
Relationship
between
mineralisation
widths and
intercept
lengths
• These relationships are particularly important in the • The drillhole was oriented to intersect
reporting of Exploration Results.
perpendicular to the mineralisation or
stratigraphy
If
the
geometry
of
the
mineralisation
with
respect
to
•
the drill hole angle is known, its nature should be • The relationship of the downhole length to the
reported.
true width is not known
• 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’).
Diagrams
• Appropriate maps and sections (with scales) and • Appropriate maps, photos and tabulations are
tabulations of intercepts should be included for any
presented in the body of the announcement
significant discovery being reported. These should
include, but not be limited to a plan view of drill hole
collar locations and appropriate sectional views.
ASX:WMG
www.westernmines.com.au
9
ASX RELEASE | MTD026 AQUA REGIA TESTWORK CONFIRMS NICKEL SULPHIDE
Criteria
JORC Code explanation
Commentary
Balanced
reporting
• Where comprehensive reporting of all Exploration • Reporting of significant intersections in Table 2
Results is not practicable, representative reporting of • Reporting of majority of all sample results on
both low and high grades and/or widths should be
charts within the document
practiced to avoid misleading reporting of Exploration
Results.
Other
substantive
exploration
data
• Other exploration data, if meaningful and material, • Not applicable
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.
Further work
• The nature and scale of planned further work (eg • Future exploration planned includes further drill
tests for lateral extensions or depth extensions or
testing of targets identified
large-scale step-out drilling).
• Exploration is at an early stage and future
drilling areas will depend on interpretation of
• Diagrams clearly highlighting the areas of possible
extensions, including the main geological
results
interpretations and future drilling areas, provided this
information is not commercially sensitive.
ASX:WMG
www.westernmines.com.au
10
Share your feedback
Discover