Heavy Rare Earths Recognised From Surface at Centipede Range
Released
Released
Announcement PDF
21 May 2024
DYSPROSIUM AND TERBIUM HEAVY RARE EARTHS
RECOGNISED FROM SURFACE AT CENTIPEDE RANGE
HIGHLIGHTS
•
Heavy rare earths bearing xenotime recognised at Hastings’ Centipede Range located 30km from
the Yangibana Project site.
•
Rock chip samples demonstrate up to 2.08 kg/t dysprosium oxide (Dy203), 0.26 kg/t terbium oxide
(Tb407), 13.55 kg/t yttrium oxide (Y203) & 946 ppm uranium oxide (U3O8).
•
High heavy rare earths oxides (“HREO”) to total rare earths oxides (“TREO”) ratio up to 94.4% and
Dy203+Tb407 to TREO ratio of 11.8%.
•
XRD analysis confirmed xenotime (YPO4) as the source of the heavy rare earths dysprosium,
terbium, and yttrium.
•
Aerial and ground geophysical surveys indicate the prospective sedimentary package at Centipede
Range extends for 4.4km.
Hastings Technology Metals Ltd (ASX:HAS) (“Hastings” or “the Company”) is pleased to announce
confirmation of heavy rare earths bearing xenotime at its Centipede Range (E09/2399). Centipede Range
is approximately 30km from Hastings’ Yangibana Rare Earths Project (“Yangibana Project”).
In 2023, Hastings commissioned an airborne geophysical survey over Centipede Range. The data has
been processed, with thorium and uranium radiometric anomalism clearly defined. Importantly this
anomalism corresponds with a geological unconformity and a package of sedimentary rock comprised
of conglomerate and sandstone. The strike of this anomalism is 4.4km and its high resolution has
enabled the geo-location of historical spatial datasets. Analogues for this mineralisation style include
Browns Range Project’s heavy rare earths element (“HREE”) deposits 1 and Bresnahan Project’s HREE
prospects 2.
Geochemical and mineralogical analyses have demonstrated that local enrichment of HREO likely occurs
where faults intercept the sandstone package and is associated with hydrothermal emplacement.
Hastings Chief Geologist Dr Louis Schurmann said:
“The identification of extremely high-grade heavy rare earths mineralisation at Centipede Range
highlights the tremendous exploration upside of the Yangibana region. In parallel with our focus on
developing the Yangibana Project, we are continuing to build our geological knowledge of the region and
believe there is significant potential to expand the range of rare earths minerals found in the area. We
have a staged exploration plan which is expected to commence in Q3 CY2024 and are excited by the
potential of the Centipede Range as a second ore source for the Yangibana Project. The Yangibana
process plant will be suitable to concentrate both light rare earths and heavy rare earths.
1
2
ASX: NTU 22 November 2023. New Wolverine assay results available, and commencement of resource drilling program.
ASX: DRE 26 October 2023. Significant HREE, Gold and Uranium Potential – Bresnahan.
Figure 1 Nearology diagram outlining the proximity of the Centipede Range HREO
mineralisation to the Yangibana processing plant. Also shown is the location of light rare
earths oxide (“LREO”) ironstone/carbonatite mineralisation of the Yangibana Project and
the surrounding areas.
Centipede Range was initially explored for uranium in 1976 by Canadian Australian Petroleum N.L.
Occidental Minerals Corporation of Australia refocussed on this area in 1979 when uranium and HREO
anomalism was discovered in ground reconnaissance.
Comprehensive geological mapping and ground scintillometer surveys were conducted by Occidental
Minerals. Zone A has a strike length of 850m and was the domain where recent sampling was
undertaken. Zone B has a strike length of 450m. Both have broad areas of radiometric anomalism
consistently 2 x background (200 cps) and isolated peaks exceeding 500 cps (Figure 2).
Figure 2 Plan view map of the Centipede Range prospect illustrating the anomalies
generated from scintillometer readings taken in 1979 relative to the rock chip samples
from recent geological mapping.
Figure 3 Photo of the sandstone outcrop portraying the arkosic-sandstone escarpment eroded
to form a range of low hills and ridges. The site is 3295 which yielded the highest HREO and
U3O8 concentrations.
The purpose of recent geophysical surveying and geological reconnaissance was to geolocate the results
of scintillometer surveys and validate historical outcrop observations. Two transects were mapped and
sampled with the southern transect yielding strong HREO concentrations (peaking at 2.06 kg/t Dy2O3 and
0.26 kg/t Tb4O7 and 946 ppm U3O8; Table 1). The outcrops were clay-altered sandstones comprising
quartz, potassium feldspar and iron oxides. The HREO mineralisation occurs as discrete lenses, each
with metre-scale thickness. The sedimentary sandstone succession hosting each separate lens is 70
metres thick.
Figure 4 Representation of the thorium and uranium radiometric images for the Centipede Range
prospect. The 4.4km strike of the anomalism is shown as well as the rock chips presented in Table
1.
The unconformable contact between the Mt Augustus sandstone and underlying Proterozoic-aged
monzogranite of the Moorarie Supersuite is the target horizon for HREO and uranium enrichment. As
implied in Figure 6, basement structures play a role as the conduit for hydrothermal activity and is a key
driver of generating economic grades of mineralisation. Settings similar to this are described by
Northern Minerals at its Browns Range project 3. In particular, sites 3293 and 3295 are considered to be
strong Dy2O3 + Tb4O7 concentrations (Table 1). The (Dy2O3 + Tb4O7)/TREO ratio of 11.85 compares
favourably to the mean value of the Wolverine deposit at Browns Range of 9.9 4.
Dy2O3
kg/t
Tb4O7
kg/t
Y2O3
kg/t
TREO
percent
U3O8
ppm
HREO
/TREO
Percent
Dy2O3 +
Tb4O7
/TREO
Percent
Site
Easting
Northing
3293
436786
7325371
1.16
0.14
7.94
1.14
51
94.4
11.36
3295
436788
7325345
2.08
0.26
13.55
1.98
946
94.1
11.85
3296
436981
7325293
0.05
0.01
0.34
0.11
12
41.7
5.21
3299
437111
7325347
0.08
0.01
0.42
0.12
9
49.2
7.70
Table 1. Details of HREO anomalous rock chip samples assayed for geochemical composition.
3
4
ASX : NTU 22 November 2023. New Wolverine assay results available, and commencement of resource drilling program.
ASX : NTU 10 October 2022. Independent review increases Wolverine REE Mineral Resource estimate by 47% at Browns Range.
Figure 5 Plan view map of the Centipede Range prospect showing the location of rock
samples collected in relation to the monzogranite unconformity and the geophysical
anomalism. The inset for figure 2 is shown.
Figure 6 Schematic section illustrating the conceptual model of HREO and uranium mineralisation; (modified
from Nazari-Dehkordi, 2018).
The next phase of exploration at the Centipede Range prospect is to drill test the scintillometer
anomalies. The moderate dip of the stratigraphy supports relatively shallow drill design. The prospect
will require baseline heritage, flora, and fauna studies in addition to Regulatory Approvals prior to the
commencement of drilling.
Authorised by the Board for release to the ASX.
FOR FURTHER INFORMATION CONTACT:
Charles Lew
Executive Chairman
+65 6220 9220
MEDIA ENQUIRIES:
Chris Manly
Platform Communications
+61 430 308 552
chris@platformcommunications.com.au
ABOUT HASTINGS TECHNOLOGY METALS LIMITED
Hastings Technology Metals Limited is a Perth-based rare earths company focused on the development
of its 100% owned Yangibana Rare Earths Project. Located in the Gascoyne region of Western Australia,
the Yangibana Project contains one of the most highly valued deposits of NdPr in the world with an NdPr
to Total Rare Earths Oxide ratio of up to 52% in some areas of the orebody.
With an initial mine life of 17 years, the Yangibana Project will become a globally significant source of
NdPr, a critical component in the manufacture of permanent magnets used in advanced technology
products including electric vehicles, renewable energy, humanoid robotics, and digital devices.
The Yangibana Project is fully permitted for immediate development and is well-timed to meet the
forecast supply gap for rare earths elements accelerated by the growth in electric vehicles and wind
turbines, both vital for the global energy transition. It will be developed in two stages with an initial focus
on the construction of the mine and beneficiation plant to produce 37,000 tonnes per annum of mixed
rare earths concentrate.
Hastings continues to assess downstream processing opportunities including the development of a
hydrometallurgical plant to capture more of the rare earths value chain. The Company holds a strategic
21.15% shareholding in TSX-listed Neo Performance Materials Inc., a leading global rare earths
processing and advanced permanent magnets producer, providing future optionality to explore the
creation of a mine to magnet supply chain.
For more information, please visit www.hastingstechmetals.com
COMPETENT PERSON'S STATEMENT
The information in this release relating to Mineral Resources and Ore Reserves have been prepared by
a Competent Person in accordance with the 2012 edition of the ‘Australasian Code for Reporting of
Exploration Results, Mineral Resources and Ore Reserves’ (“JORC Code”) and have been extracted from
the release title ‘Annual Report to shareholders’ dated 28 September 2023 which is available to view at
www.asx.com.au under the code “HAS” (the original release). The Company confirms that it is not aware
of any other new information or data that materially affects the information included in the original
market announcement and that all material assumptions and technical parameters underpinning the
estimates in the relevant market announcement continue to apply and have not materially changed.
Hastings confirms that the form and context in which the Competent Person’s findings are presented
have not been materially modified from the original market announcements.
The information in this announcement that relates to Mineral Resources is based on information
compiled by Dr Louis Schürmann. Dr Schürmann is a full-time employee of the Company and a Fellow
of the Australasian Institute of Mining and Metallurgy (AusIMM; 308067). Dr Schürmann has sufficient
experience relevant to the styles of mineralisation and types of deposits which are covered in this
announcement and to the activity which they are undertaking to qualify as a Competent Person as
defined in the JORC Code. Dr Schürmann consents to the inclusion in this announcement of the matters
based on their information in the form and context in which it appears.
CAUTIONARY STATEMENT
The exploration results have been prepared and reported in accordance with the 2012 edition of the
JORC Code. There has been insufficient exploration to estimate a Mineral Resource for all target areas
reported. It is uncertain if further exploration will result in the estimation of a Mineral Resource.
FORWARD LOOKING STATEMENT
This release contains reference to certain intentions, expectations, future plans, strategies and
prospects of the Company. Those intentions, expectations, future plans, strategies and prospects may
or may not be achieved. They are based on certain assumptions, which may not be met or on which
views may differ and may be affected by known and unknown risks. The performance and operations of
the Company may be influenced by a number of factors, many of which are outside the control of the
Company. No representation or warranty, express or implied, is made by the Company, or any of its
directors, officers, employees, advisers, or agents that any intentions, expectations, or plans will be
achieved either totally or partially or that any particular rate of return will be achieved.
Given the risks and uncertainties that may cause the Company’s actual future results, performance, or
achievements to be materially different from those expected, planned or intended, recipients should
not place undue reliance on these intentions, expectations, future plans, strategies and prospects. The
Company does not warrant or represent that the actual results, performance, or achievements will be
as expected, planned or intended.
The Company is under no obligation to, nor makes any undertaking to, update or revise such forward
looking statements, but believes they are fair and reasonable at the date of this release.
TERMINOLOGY USED IN THIS REPORT
Total Rare Earths Oxides, TREO, is the sum of the oxides of lanthanum (La), cerium (Ce), praseodymium
(Pr), neodymium (Nd), and samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium
(Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), and yttrium (Y).
Heavy Rare Earths Oxides, HREO, is the sum of the oxides for the heavy rare earths elements, terbium
(Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), and yttrium
(Y).
Light Rare Earths Oxides, LREO, is the sum of the oxides of the light rare earths elements lanthanum
(La), cerium (Ce), praseodymium (Pr), neodymium (Nd) as well as the intermediates samarium (Sm),
europium (Eu), gadolinium (Gd).
SCHEDULE 1: TENEMENT LISTING
Tenement
Holder
Hastings Technology Interest
E09/2385
Ark Gold Pty Ltd
100%
E09/2399
Ark Gold Pty Ltd
100%
TABLE 2: ROCK CHIP ASSAYS FROM FIELD ACTIVITIES
Sample ID
Easting
Northing
Dy2O3_kg/t
Tb4O7_kg/t
Y2O3_kg/t
U3O8_ppm
HREO_ppm
3286
435720
7327451
0.01
0.00
0.02
4
28
3287
435713
7327442
0.00
0.00
0.02
4
27
3288
435702
7327411
0.01
0.00
0.04
9
63
3289
435677
7327376
0.00
0.00
0.02
2
25
3290
435653
7327348
0.00
0.00
0.01
1
15
3291
435600
7327284
0.01
0.00
0.04
3
64
3292
434524
7326888
0.00
0.00
0.01
4
19
3293
436786
7325371
1.16
0.14
7.94
51
10774
3294
436786
7325350
0.01
0.00
0.04
4
55
3295
436788
7325345
2.08
0.26
13.55
946
18638
3296
436981
7325293
0.05
0.01
0.34
14
469
3297
437010
7325271
0.01
0.00
0.04
12
52
3298
437145
7325218
0.02
0.00
0.11
9
155
3299
437111
7325347
0.08
0.01
0.42
9
608
Sample ID
TREO
(Dy2O3 + Tb4O7)/TREO
HREO/TREO
3286
0.06 %
1.00 %
4.3 %
Lithology Description
2.6-3 cps, arkose, clay alteration after
feldspar, rounded grains. Regular large
goethite/dark banding.
3287
0.08 %
0.72 %
3.3 %
Medium coarse grained. Arkose, 2.6-3.0 cps.
Coarse grained arkose, some black box
3288
0.12 %
0.91 %
5.4 %
works, cream to pale green clay after
feldspar.
3289
0.06 %
0.92 %
4.0 %
Coarse grained arkose, cps of 1.5-1.8.
3290
0.04 %
0.87 %
3.5 %
3291
0.03 %
2.86 %
21.2 %
2.8 cps arkose, more vughs after feldspar.
3292
0.01 %
2.33 %
19.7 %
Ferricrete and calcrete, 2.8 cps.
3293
1.14 %
11.36 %
94.4 %
3294
0.01 %
5.34 %
42.2 %
3295
1.98 %
11.85 %
94.1 %
Surface
black
coating
and
secondary
alteration in arkose. 1.5-2cps.
Intense clay altered arkose with orange
grains in clusters – xenotime may be visual.
Rotten arkose with white clay and patchy
brown crystals in patches.
Low outcrop of arkose, all feldspar is leached
out, just quartz and iron oxides left, 250cps
reading.
3296
0.11 %
5.21 %
41.7 %
4.5 cps silicic arkose, some dark banding.
3297
0.09 %
0.98 %
5.9 %
4.5 cps arkose.
3298
0.03 %
5.97 %
44.9 %
Quartz vein and breccia of arkose.
3299
0.12 %
7.70 %
49.2 %
Arkose, moderate to well oxidised, 118cps.
The following section is provided for compliance with requirements for the reporting of
exploration results under the JORC code (2012 edition).
SECTION 1 SAMPLING TECHNIQUES AND DATA
(Criteria in this section apply to all succeeding sections)
Criteria
Sampling
techniques
•
•
•
Drilling
techniques
•
Drill sample
recovery
•
•
•
Logging
•
•
JORC Code explanation
Nature and quality of sampling (e.g. 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.
Drill type (e.g. core, reverse circulation,
open-hole hammer, rotary air blast, auger,
Bangka, sonic, etc.) and details (e.g. 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.).
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
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
Rock chip samples were collected from
outcropping areas of geological note.
Samples were collected using a
geological hammer to dislodge hand
specimens.
•
Rock chip samples referenced are from
outcrops and are not biased to target
specific minerals.
•
Scintillometer readings were collected at
each sample site with elevated levels
indicative of areas that may present
enrichment of minerals hosting HREO
and U.
•
No drilling results included in release.
•
No drilling results included in release.
•
No drilling results included in release.
Criteria
Sub-sampling
techniques
and
sample
preparation
•
•
•
•
•
•
Quality
of
assay
data
and
laboratory
tests
Verification of
sampling and
assaying
JORC Code explanation
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
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
No drilling results included in release.
•
No drilling results included in release.
•
No sample preparation occurred prior to
laboratory submission.
•
No standards were inserted.
•
No field duplicates were submitted.
•
Rock chip samples of outcropping
sandstones were of sufficient size to
minimise bias to specific minerals.
Intertek Genalysis (Perth) was used for
all analysis work. This encompasses a
sodium peroxide fusion using nickel
crucibles and hydrochloric acid to
dissolve the melt (FP6) together with
ICP/OE & ICP/MS.
Fusion digestion
ensures complete dissolution of the
refractory minerals such as xenotime.
Mineralogy
was
performed
by
Quantitative XRD; preparing the sample
drying at 50 degrees Celsius, milling to
<60
µm
and
analysing
using
XRDQUANT01.
The field scintillometer used in recent
exploration was a Radiation AlertTM
Ranger Radiation Detector. The late
1970’s exploration was undertaken with
a Geometric International Incorporated
CR101A Scintillometer with readings
taken at hip height using fast
accumulation
period
when
ever
practical.
The laboratory used its own internal
blanks and standards.
•
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 (e.g. standards, blanks, duplicates,
external laboratory checks) and whether
acceptable levels of accuracy (i.e. 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.
The quantitative XRD corroborated the
assay results generated by the sodium
peroxide fusion.
No drilling results included in release.
Sample coordinates and identifying
remarks were recorded into a field
notebook and submitted to be captured
digitally.
The assay data were converted from
reported elemental assays for a range of
Criteria
JORC Code explanation
Location
of
data points
Data spacing
and
distribution
•
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.
Quality and adequacy of topographic
control.
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.
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.
The measures taken to ensure sample
security.
•
•
•
•
•
Orientation of
data
in
relation
to
geological
structure
•
Sample
security
•
Audits
reviews
or
•
•
The results of any audits or reviews of
sampling techniques and data.
Commentary
elements to the equivalent oxide
compound as applicable to rare earths
oxides.
All sample easting and northing
coordinates were collected by GPS.
Historical ground scintillometer surveys
have been georeferenced utilising
geomorphology, geological mapping and
cross-checks of radiometric anomalism
again airborne techniques.
•
Grid system used is MGA 94 (Zone 50)
Topographic control has not been
applied.
No drilling results included in release.
•
No drilling results included in release.
•
No drilling results included in release.
•
No drilling results included in release.
•
No drilling results included in release.
•
The chain of custody is managed by the
project geologist who places calico
sample bags in polyweave sacks. Up to
10 calico sample bags are placed in each
sack. Each sack is clearly labelled with:
•
Hastings Technology Metals Ltd
•
Address of laboratory
•
Sample range
•
Samples were transported by RM
Transport from site to Perth and
delivered Genalysis.
•
The freight provider delivers the samples
directly to the laboratory. Detailed
records are kept of all samples that are
dispatched, including details of chain of
custody.
No audit has been conducted.
•
SECTION 2 REPORTING OF EXPLORATION RESULTS
(Criteria listed in the preceding section also apply to this section.)
Criteria
Mineral
tenement and
land
tenure
status
•
•
JORC Code explanation
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
The reported exploration program is located
within leases listed in Schedule 1, which
includes each lease’s ownership.
Geology
•
Deposit type, geological setting and style
of mineralisation.
•
Drill
hole
Information
•
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:
•
easting and northing of the drill
hole collar
•
elevation or RL (Reduced Level –
elevation above sea level in
metres) of the drill hole collar
•
dip and azimuth of the hole of
down hole length and
•
hole depth
•
At the time of reporting, there are no known
impediments to obtaining a licence to
operate in the area other than those listed,
and the tenements are in good standing.
Previously exploration was undertaken by
Canadian Australian Petroleum N.L (1976)
Occidental Minerals Corporation of Australia
(1978-79). WAMEX Report A8598. Both
companies were exploring for uranium.
Details of this exploration is provided in the
body of this announcement.
From 1982 – 1989 Esmeralda Exploration
explored for heavy rare earths and gold.
Rock chip sampling occurred with peak
concentrations of 3,500 ppm uranium and
1.91% yttrium. Bulk testing of consolidated
alluvial material was conducted. The mean
percentage of heavy minerals was 0.23 with
a maximum assay of 88 ppm yttrium.
WAMEX Reports A12045, A13663, A17445,
A23223, A24746, A28241.
No other significant exploration has been
conducted.
A conceptual model for this type of deposit
is provided in the body of the
announcement. The mineralisation style is
unconformity related HREO and uranium
enrichment
and
deposition
via
hydrothermal
processes.
Pertinent
minerals include xenotime.
No drilling results included in release.
•
No drilling results included in release.
Exploration
done by other
parties
•
Acknowledgment and appraisal
exploration by other parties.
of
•
•
•
•
Criteria
•
Data
aggregation
methods
•
•
•
Relationship
between
mineralisatio
n widths and
intercept
lengths
•
•
•
Diagrams
•
Balanced
reporting
•
Other
substantive
exploration
data
•
JORC Code explanation
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 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’).
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 view.
Where comprehensive reporting of all
Exploration Results is not practicable,
representative reporting of both low and
high grades and/or widths should be
practiced avoiding 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
Commentary
•
No drilling results included in release.
•
No data aggregate methods have been
applied.
•
Both TREO and HREO are terms used in this
report. There calculation is detailed in the
section ‘Terminology used in this report’.
•
No drilling results included in release.
•
No drilling results included in release.
•
No drilling results included in release.
•
Diagrams detailing the plan view giving
context of the samples assayed and
geophysical surveys have been provided in
the text. Table 1 provides rock chips with
significant assays and Table 2 provides
information on all rock chips collected in
2023.
Care has been taken to collect both
geochemical and mineralogical information
for pertinent rock chip samples.
•
•
All relevant geophysical and geological
observations have been provided in the
context of the assay and mineralogical
information.
Criteria
Further work
•
•
JORC Code explanation
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.
Commentary
•
•
The next phase of exploration is to
undertake
additional
reconnaissance
mapping and sampling. In additional base
line heritage and biological surveys will be
conduct in lieu of drilling.
Relevant diagrams highlight additional
zones of radiometric anomalism along a 4.4
km strike is provided in the body of the
announcement.
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