Drilling Update - Tallebung Tin Project
Released
Released
Announcement PDF
ASX: SKY
ASX ANNOUNCEMENT
28 August 2024
TALLEBUNG TIN PROJECT – DRILLING UPDATE
STRONG TIN INTERCEPTS IN DIAMOND DRILLING INCREASE
RESOURCE CONFIDENCE
Assay results received for four of the five recently completed diamond drill-holes, with
all holes intersecting strong tin mineralisation. Assay results include:
TBD011:
15.93m @ 0.32% tin & 42.6g/t silver from 58.12m, including:
7.98m @ 0.58% tin & 81.9g/t silver from 58.12m, including:
0.4m @ 2.19% tin & 1,920g/t silver from 58.12m; and
0.45m @ 7.22% tin & 22.3g/t silver from 62.6m.
TBD012:
16.3m @ 0.24% tin & 30.4g/t silver from 68m, including:
1.7m @ 0.75% tin & 165g/t silver from 68.3m; and
0.3m @ 3.45% tin from 84m.
The diamond drilling program has provided high-quality data, significantly improving
the Company’s geological understanding of the deposit, vital for ongoing advancement
of the MRE at Tallebung and to assist in discovering further extensions.
Assays are pending for the final hole in the program, TBD013, which tested below
significant high-grade rock chip results which averaged over 2.10% tin. Assays for
this hole, which was drilled well beyond the eastern margin of the MRE, are expected
in the coming weeks.
Assay results are also pending for the 13-hole Reverse Circulation (RC) drilling
program, which was completed recently to in-fill and extend the high-grade tin
mineralisation discovered in the 150m step-out hole to the south, where results
included:
TBRC078:
11m @ 1.02% tin, 77.9g/t silver & 0.13% tungsten from 64m
The first assay results for this drilling program are expected to be received within the
next fortnight.
SKY CEO Oliver Davies commented: “It’s great to see consistent strong tin and silver mineralisation intersected in
all of the recently completed diamond holes. As well as continuing to increase confidence in the current MRE of
16.5Mt at 0.15% Sn, the drilling has also enhanced our geological understanding of the deposit.
“This will support future MRE upgrades and assist our drill targeting to discover extensions. We are now keenly
looking forward to receiving the results of the latest RC drilling program on the high-grade southern extension to
the deposit. These results are anticipated in the next fortnight.”
SKY METALS LIMITED
+61 2 6360 1587
2 HAWTHORN PLACE, ORANGE NSW 2800
WWW.SKYMETALS.COM.AU
ABN 46 098 952 035
The Board of Sky Metals Limited (‘SKY’ or ‘The Company’) is pleased to report assay results from the recently
completed resource in-fill and extensional diamond drilling program at the Tallebung Tin Project, NSW.
TALLEBUNG PROJECT (EL 6699, SKY 100%)
DIAMOND DRILLING PROGRAM
A program of five diamond drill-holes (TBD009-TBD013, Figure 1) was completed to in-fill the current MRE at
Tallebung of 15.6Mt @ 0.15% Sn for 23.3kt of contained Sn (SKY ASX Announcement 23 January 2024) and to
increase the geological and structural understanding of the deposit. Assay results have so far been received for
four (TBD009-TBD012) of the five holes, which are reported in this announcement.
Structural data gained from the diamond drill-holes will be used to inform the Company’s geological understanding
of the orientation of any faults intersected (most importantly, any post-mineralisation faults discovered) and the
geometries of the tin vein packages as well as host sediment deformation. These datasets will be incorporated in
an updated MRE and geological modelling to ultimately underpin future mining studies.
Figure 1: Tallebung Tin Project – Plan showing the current boundary of the MRE outlined in the dashed red line
with new intercepts shown in Orange from the latest diamond drilling. Highlight intercepts from previous drilling
are also shown and recently completed RC holes are shown in red.
2
The first hole in this program, TBD009, was drilled to provide increase coverage under the historic southern open
pit. This hole was designed to investigate possible faulting and veining in this area. TBD009 intersected strong tin
mineralisation with a deeper intercept of high-grade silver and zinc, with assay results including:
TBD009:
3.9m @ 0.56% Sn, 8.36g/t Ag & 0.28% Zn from 81m.
5.8m @ 0.21% Sn, 11.5g/t Ag & 0.07% W from 100.4m.
1.9m @ 0.14% Sn, 402.5g/t Ag, 0.19% Cu & 2.83% Zn from 242m, including;
0.45m @ 0.37% Sn, 1640g/t Ag, 0.74% Cu & 11.55% Zn from 243.45m.
TBD010 was drilled next to in-fill mineralisation in the southern area of the deposit and provide geological
information in an area of previously sparse drilling. This hole will provide a crucial link in the geological model
between the southern resource extension area and the central mining area. TBD010 also intersected strong tin
mineralisation with results including:
TBD010:
2.95m @ 0.46% Sn, 7.84g/t Ag, 0.02% W & 0.52% Zn from 106.8m;
2.4m @ 0.12% Sn from 185.5m, including:
0.35m @ 0.58% Sn from 185.5m.
Drilling was then completed in the southern open pit, where previous drilling had encountered broad zones of
strong tin mineralisation. TBD011 was drilled to in-fill this area and to enable structural measurements to be made
of the tin veins, host stratigraphy and any faults intersected to improve the geological modelling of this zone.
TBD011 intersected strong tin and silver mineralisation, with results including:
TBD011:
41.85m @ 0.15% Sn & 0.02% W from 48.3m, including:
15.93m @ 0.32% Sn, 42.6g/t Ag & 0.02% W from 58.12m, including:
7.98m @ 0.58% Sn, 81.9g/t Ag & 0.02% W from 58.12m, including:
0.4m @ 2.19% Sn, 1920g/t Ag & 0.05% W from 58.12m; and
0.45m @ 7.22% Sn, 22.3g/t Ag & 0.11% W from 62.6m.
TBD012 was drilled adjacent to the previous southernmost drill-hole at Tallebung, TBRC042. The purpose of this
hole was to investigate faulting and potential mineralised extensions at this end of the deposit. TBD012 intersected
a post-mineralisation fault which has truncated the mineralisation encountered in TBRC042 resulting in a narrower
mineralised intercept than expected; however, this hole has provided extremely important insights into the
structural architecture at Tallebung. The information gained from this hole will be invaluable in future geological
modelling. Strong tin mineralisation was intersected, with results including:
TBD012:
16.3m @ 0.24% Sn, 30.4g/t Ag & 0.12% W from 68m, including:
1.7m @ 0.75% Sn, 165g/t Ag & 0.56% W from 68.3m; and
0.3m @ 3.45% Sn from 84m.
Additionally, a TOMRA ore sorting sample was taken from TBD012 from 42-92m of half core PQ to test for any
variability in this area of the deposit. As coarse cassiterite mineralisation has been observed, consistent with the
rest of the deposit, it is highly likely that this mineralisation will have a similar, exceptional grade increase with
high tin recoveries as has been demonstrated across the rest of the deposit through the application of ore sorting.
However, this sample will be important in demonstrating that this observation translates into consistent ore sorting
upgrade across the deposit. Results for this work are expected imminently.
Finally, TBD013 was drilled in the base of the central open pit. This hole was designed to test beneath high-grade
rock chip results from outcropping tin veins at the base of the central open pit which assayed over 2.10% Sn on
3
average. The hole was designed to intercept these veins shallowly and then to provide coverage of the
stratigraphy in this area. Results for this hole are expected in the coming weeks.
NEXT STEPS
Follow-up RC drilling to build on the discovery of the high-grade tin mineralisation on the southern margin of the
deposit (as intersected in TBRC078) has now been completed. Figure 1 shows the locations of these drill-holes
with eight holes completed to extend and in-fill the results in TBRC078, two holes drilled to test possible southwest parallel tin mineralisation, and three holes drilled to in-fill in the southern open pit area.
Results for this southern high-grade extension and in-fill program are anticipated in the next fortnight and further
drilling will be planned following receipt of these results to continue to advance these newly discovered highgrade zones at Tallebung.
For further information:
Investors:
Oliver Davies, CEO – Sky Metals
M: 0430 359 547
Media:
Nicholas Read – Read Corporate
M: 0419 929 046
4
Table 1: Tallebung Project – Drill-hole Collar Details.
Hole ID
Easting
(MGA)
Northing
(MGA)
RL (m)
DIP
Azimuth
(MGA)
TBD009
TBD010
TBD011
TBD012
TBD013
460466.5
460945.2
460709.9
460829.8
460724.6
6377177
6376195
6376816
6376455
6376650
265.5
291.7
275.6
288.2
282.9
-60.2
-59.8
-60
-60
-61
246.8
245.2
244.8
249.8
265.5
Total
Depth
(m)
258.5
197.6
249
110.7
199.4
Comment
Assays Pending
Table 2: Tallebung Project – Significant Intercepts.
Hole ID
From
(m)
To
(m)
W
%
Ag
g/t
Cu
%
Zn
%
TBD009
45.5
48.15
2.65
0.08
0.14
10.7
0.05
-
including
45.5
45.85
0.35
0.56
0.07
40.1
-
-
53.85
54.4
0.55
0.15
-
-
-
-
81
84.9
3.9
0.56
-
8.36
-
0.28
100.4
106.2
5.8
0.21
0.07
11.5
-
-
123
123.85
0.85
0.37
-
-
-
-
191.15
191.65
0.5
0.21
-
11
-
-
197.5
198
0.5
0.08
1.41
26.6
0.07
2.29
200.3
200.65
0.35
0.26
0.03
-
-
3.03
211.5
212
0.5
6.04
0.04
306
0.17
3.68
228.4
228.8
0.4
0.21
-
8.25
-
0.43
233.15
235.45
2.3
0.10
-
140.4
0.08
0.88
236.55
237.05
0.5
0.13
-
6.93
-
-
242
243.9
1.9
0.14
-
402.54
0.19
2.83
High-grade silver-zinc
243.45
243.9
0.45
0.37
-
1640
0.74
11.55
High-grade silver-zinc
245
245.3
0.3
0.18
-
-
-
-
including
45.5
45.85
0.35
0.56
0.07
40.1
-
-
TBD010
58.1
58.8
0.7
0.3
0.04
-
-
-
106.8
109.75
2.95
0.46
0.02
7.84
-
0.52
154.3
154.7
0.4
0.4
0.02
12.4
-
2.27
164.2
164.7
0.8
0.33
-
18.1
0.06
-
175
175.3
0.3
0.13
0.14
7.86
-
0.25
185.5
187.9
2.4
0.12
-
-
-
-
including
185.5
185.85
0.35
0.58
-
-
-
-
TBD011
31.25
38.83
7.58
0.18
0.05
19.8
-
-
48.3
90.15
41.85
0.15
0.02
22.1
-
-
including
58.12
74.05
15.93
0.32
0.04
42.6
-
-
including
58.12
66.1
7.98
0.58
0.02
81.9
-
-
including
58.12
58.52
0.4
2.19
0.05
1920
-
-
and
62.6
63.05
0.45
7.22
0.11
22.3
-
-
including
Interval
Sn
(m)
%
5
Comment
High-grade silver
Hole ID
From
(m)
To
(m)
Interval
(m)
Sn
%
W
%
Ag
g/t
Cu
%
Zn
%
TBD012
58.6
59
0.4
0.11
0.40
-
-
-
59.6
60.6
1
-
-
68
-
-
62.2
62.7
0.5
0.11
-
23.2
-
-
68
84.3
16.3
0.24
0.12
30.4
-
0.24
including
68.3
70
1.7
0.75
0.56
165
0.08
-
and
74.5
75.5
1
0.72
0.96
62
-
0.26
and
84
84.3
0.3
3.45
-
-
-
-
6
Comment
This report has been approved for release by the Board of Directors.
ABOUT SKY (ASX: SKY)
SKY is an ASX listed company focused on the exploration and development of high-value mineral resources in Australia.
SKY’s project portfolio offers exposure to the tin, gold, and copper markets in the world-class mining jurisdiction of NSW.
TIN PROJECTS
TALLEBUNG PROJECT (EL6699, 100% SKY)
The Tallebung Project is located ~70km north-west of Condobolin in central NSW. The project encompasses the historic
Tallebung Tin Mining Field at the northern extent of the Wagga Tin Belt within the central Lachlan Orogen where SKY has an
updated MRE of 15.6Mt @ 0.15% Tin*. SKY plans to advance the Tallebung by increasing the resource to the 23-32Mt1
Exploration Target and progress development for future mining (1SKY:ASX Announcement 23 January 2024).
DORADILLA PROJECT (EL6258, 100% SKY)
The Doradilla Project is located ~ 30km south of Bourke in north-western NSW and is a large and strategic REE and tin
project with excellent potential for associated polymetallic mineralisation (tungsten, copper, bismuth, indium, nickel, cobalt).
NARRIAH PROJECT (EL9524, 100% SKY)
The Narriah Project is located ~70km west of West Wyalong in western NSW represents a large tin project with multiple
historic workings prospective for tin, tungsten and lithium mineralisation with limited drill testing Completed to date.
COPPER GOLD PROJECTS
IRON DUKE (EL6064, EL9191 100% SKY)
The Iron Duke project is located ~10km southeast of Tottenham in central NSW and covers
at least 4 significant historic copper-gold
mines.
High
grade
copper-gold
mineralisation intersected by previous
explorers (e.g. 13m @ 1.56% Cu & 4.48g/t Au).
GALWADGERE (EL6320, 100% SKY –
BML: OPTION TO PURCHASE)
The Galwadgere project is located ~15km
south-east of Wellington in central NSW. An
MRE of 3.6Mt @ 0.78% Cu and 0.28g/t Au at
Galwadgere with numerous targets with
limited drilling testing adjacent to the MRE.
GOLD PROJECTS
CULLARIN / KANGIARA projects (EL7954;
EL8400 & EL8573, 80% SKY-DVP JV)
The Cullarin Project contains equivalent host
stratigraphy to the McPhillamys deposit with
a similar geochemical, geophysical &
alteration signature. ‘McPhillamys-style’ gold
results from previous drilling at the Cullarin
Project. SKY’s maiden drill program was
successful, including HUD002 which returned
93m @ 4.2 g/t Au from 56m.
CALEDONIAN PROJECTS (EL8920 &
EL9120 100% SKY)
Highlight, ‘McPhillamys-style’ gold results
from previous exploration include 36m @ 1.2
g/t Au from 0m to EOH in drillhole LM2 and
81m @ 0.87g/t Au in a costean on EL8920 at
the Caledonian Project.
Figure 2: SKY Tenement Location Map
7
Competent Persons Statement
The information in this report that relates to Exploration Results and Results which underpin the Mineral Resource
Estimate is based on information Compiled by Mr. Oliver Davies, who is a Member of the Australasian Institute of
Geoscientists. Mr. Oliver Davies is an employee of Sky Metals Ltd and has sufficient experience which is relevant
to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking
to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of
Exploration Results, Mineral Resources and Ore Reserves.’ Mr. Davies consents to the inclusion in this report of
the matters based on his information in the form and context in which it appears.
Previously Reported Information
The information in this report that references previously reported exploration results is extracted from the
Company’s ASX market announcements released on the date noted in the body of the text where that reference
appears. The previous market announcements are available to view on the Company's website or on the ASX
website (www. asx.Com.au). The Company confirms that it is not aware of any new information or data that
materially affects the information included in the original market announcements. The Company 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.
Disclaimer
This report contains certain forward-looking statements and forecasts, including possible or assumed reserves
and resources, production levels and rates, costs, prices, future performance or potential growth of Sky Metals
Ltd, industry growth or other trend projections. Such statements are not a guarantee of future performance and
involve unknown risks and uncertainties, as well as other factors which are beyond the control of Sky Metals Ltd.
Actual results and developments may differ materially from those expressed or implied by these forward-looking
statements depending on a variety of factors. Nothing in this report should be construed as either an offer to sell
or a solicitation of an offer to buy or sell securities.
This document has been prepared in accordance with the requirements of Australian securities laws, which may
differ from the requirements of United States and other country securities laws. Unless otherwise indicated, all
ore reserve and mineral resource estimates included or incorporated by reference in this document have been
prepared in accordance with the Australasian Code for Reporting of Exploration Results, Minerals Resources and
Ore Reserves JORC Code 2012.
8
JORC CODE, 2012 - TABLE 1
Section 1 Sampling Techniques and Data – TALLEBUNG PROJECT
(Criteria in this section apply to all succeeding sections)
Criteria
Explanation
Sampling techniques
Commentary
Nature and quality of sampling (e.g. cut channels, random chips, or specific specialised industry Drill core sampling is by sawn quarter core PQ & half core HQ core. Nominal sample intervals are 1m with
standard measurement tools appropriate to the minerals under investigation, such as downhole a range from 0.3m to 2.0m.
gamma sondes, or handheld XRF instruments, etc). These examples should not be taken as
All samples were submitted to SGS or ALS Orange for preparation and assaying.
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.
For diamond drilling standards are insert every 30-50 samples.
All sample lab received weights show consistency with core recovery and interval length.
Aspects of the determination of mineralisation that are Material to the Public Report. In cases Each sample was dried, crushed and pulverised as per standard industry practice.
where ‘industry standard’ work has been done this would be relatively simple (e.g. ‘reverse
circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a Diamond drilling - core samples were taken at nominally 1m, but with a range between 0.3-2m. PQ core
30 g charge for fire assay’). In other cases, more explanation may be required, such as where
samples are cut in quarters with ¾ retained for reference and metallurgical test work and ¼ submitted
there is coarse gold that has inherent sampling problems. Unusual commodities or
for assay - dried, crushed and pulverised to 90% passing 75 microns.
mineralisation types (e.g. submarine nodules) may warrant disclosure of detailed information.
ALS Orange - Forty-eight elements including Ag, As, Cu, Fe, In, Pb, S, Zn are digested by four-acid digest
then analysed by ICPMS (method ME-MS61). Sn and W assays were generated by lithium borate fusion
XRF (method ME-MS85) – considered appropriate for these elements and by XRF fusion for +1% ore
grade assays.
Drilling techniques
Drill type (e.g. core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka,
Diamond Drilling completed by drilling PQ. PQ was drilled to approx. 150m to produce the largest
sonic, etc) and details (e.g. core diameter, triple or standard tube, depth of diamond tails, face- sample then cased down to HQ.
sampling bit or other type, whether core is oriented and if so, by what method, etc)
PQ and HQ core was orientated.
Drill sample recovery
Sample weights are recorded for each sample. Recoveries were generally excellent and consistent,
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. however, if samples were wet the recoveries were less consistent.
Whether a relationship exists between sample recovery and grade and whether sample bias may
There is no known relationship between sample recovery and grade. Where samples recoveries are less
have occurred due to preferential loss/gain of fine/coarse material
than 95% there is no relationship observed between grade and sample recovery. Relationships between
sample recovery and grade are not considered significant where recoveries exceeded 95% in fresh rock.
Logging
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
9
Systematic geological and geotechnical logging was undertaken when the holes were originally drilled.
Data collected includes:
Nature and extent of lithologies.
Relationship between lithologies.
Amount and mode of occurrence of ore minerals.
Location, extent, and nature of structures such as bedding, cleavage, veins, faults etc.
Structural data (alpha & beta) are recorded for orientated core.
Criteria
Explanation
Commentary
Geotechnical data such as recovery, RQD, fracture frequency, qualitative IRS, microfractures, veinlets and
number of defect sets. For some geotechnical holes the orientation, nature of defects and defect fill are
recorded.
Both qualitative and quantitative data is collected.
Half core (HQ) & ¾ core (PQ) samples are retained in trays for future reference.
Sub-sampling techniques
and sample preparation
Quality of assay data
and laboratory tests
Verification of sampling
and assaying
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
Samples were dried crushed and pulverised to 90% passing 75 microns. This is considered to
appropriately homogenise the sample to allow subsampling for the various assay techniques.
SKY: Certified Reference Material (CRM) and blanks were inserted at least every 30 samples to assess the
accuracy and reproducibility of the drill core results. The results of the standards were to be within ±10%
variance from known certified result. If greater than 10% variance the standard and up to 10 samples
each side were re-assayed. SGS conducted internal check samples every 20 for multielement assay.
Sample sizes are industry standard and considered appropriate
The nature, quality and appropriateness of the assaying and laboratory procedures used and
Standard assay procedures performed by a reputable assay lab, ALS Orange - Forty-eight elements
whether the technique is considered partial or total
including Ag, As, Cu, Fe, In, Pb, S, Zn are digested by four-acid digest then analysed by ICPMS (method
For geophysical tools, spectrometers, handheld XRF instruments, etc, the parameters used in
ME-MS61). Sn and W assays were generated by lithium borate fusion XRF (method ME-MS85) –
determining the analysis including instrument make and model, reading times, calibrations
considered appropriate for these elements and by XRF fusion for +1% ore grade assays.
factors applied and their derivation, etc
Nature of quality control procedures adopted (e.g. standards, blanks, duplicates, external
No geophysical tools were used in the determination of assay results.
laboratory checks) and whether acceptable levels of accuracy (i.e. lack of bias) and precision have
Certified reference material or blanks were inserted at least every 50 samples. Standards are purchased
been established
from Certified Reference Material manufacture companies: Standards were purchased in foil lined
packets of between 60g and 100g. Different reference materials were used to cover high grade, medium
grade, low grade, and trace ranges of elements, with a primary focus on Sn and W.
Drill data is compiled and collated and reviewed by senior staff. External consultants do not routinely
The verification of significant intersections by either independent or alternative company
verify exploration data until resource estimation procedures are deemed necessary. The intersection
personnel.
calculations were viewed by >1 geological personnel.
The use of twinned holes.
Documentation of primary data, data entry procedures, data verification, data storage (physical
Twinned holes have been used by past explorers to validate the results achieved and have confirmed
and electronic) protocols.
these historic results.
Discuss any adjustment to assay data
Drill Hole Data including: meta data, any gear left in the drill hole, lithological, mineral, survey, sampling,
magnetic susceptibility was collected and stored as physical and electronic copies or entered directly into
an excel spread sheet using drop down codes. When complete the spreadsheet was combined into a
master excel spreadsheet as the drill hole database.
Assay data was provided by SGS via .csv spreadsheets. The data was validated using the results received
from the known certified reference material. Hard copies of the assay certificates were stored with drill
hole data such as drillers plods, invoices, and hole planning documents.
Assay data is not adjusted.
10
Criteria
Location of data points
Explanation
Commentary
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
Historic drill hole collars were located using either a licenced surveyor or on a local imperial or metric
grid. Conversion of the local grid co-ordinates has been undertaken by previous exploration companies.
SKY has used DGPS surveying of drillholes (± 0.1m) to accurately locate them.
All coordinates are based on Map Grid Australia Zone 55E, Geodetic Datum of Australia 1994.
Historic drill hole collars were located using either a licenced surveyor or on a local imperial or metric
grid. SKY has used DGPS surveying of drillholes (± 0.1m) to accurately locate them, or handheld GPS (+/3m). Where handheld GPS has been used SKY will DGPS them at a later date.
Data spacing and
distribution
Data spacing for reporting of Exploration Results
At this stage, drilling of the MRE area of the project has been drilled to at least approximately 80m x 80m
Data spacing for reporting of Exploration Results Whether the data spacing, and distribution is down to 40m x 40m for inferred and indicated resources respectively. Outside of the MRE are, data
sufficient to establish the degree of geological and grade continuity appropriate for the Mineral spacing is variable as the focus is on geological mapping and identifying new zones of mineralisation.
Resource and Ore Reserve estimation procedure(s) and classifications applied
Whether sample compositing has been applied
The maiden MRE was estimated to inferred and indicated and increases in resource confidence will
require tighter spaced drilling, such as some of the drilling completed in this program.
Sample Compositing is not applied.
Orientation of data in
relation to geological
structure
Whether the orientation of sampling achieves unbiased sampling of possible structures and the Drilling was orientated to cross the mineralisation trend at moderate to high angles. The use of
extent to which this is known, considering the deposit type
orientated core allows estimates of the true width and orientation of the mineralisation to be made.
If the relationship between the drilling orientation and the orientation of key mineralised
structures is considered to have introduced sampling bias, this should be assessed and reported
No sample bias due to drilling orientation is known. The structural controls on mineralisation is
if material
considered well understood and consistent.
Sample security
The measures taken to ensure sample security
Sample chain of custody has been managed by the employees of Sky Metals who Commissioned the
drilling and transport samples from the drilling rig to assay laboratory.
All samples are bagged in tied numbered calico bags, grouped into larger tied polyweave bags, or placed
in a stillage box and transported to ALS in Orange by SKY personnel. All sample submissions are
documented via ALS tracking system and all assays are reported via email.
Sample pulps are returned to site and stored for an appropriate length of time (minimum 3 years). The
Company has in place protocols to ensure data security.
Audits or reviews
The results of any audits or reviews of sampling techniques and data
The Company has external consultants to verify exploration data for the resource estimation process.
Further details for the MREs can be found in SKY ASX Announcement 22 Match 2023 and SKY ASX
Announcement 23 January 2024.
11
Section 2 Reporting of Exploration Results – TALLEBUNG PROJECT
(Criteria listed in the preceding section also apply to this section)
Criteria
Explanation
Mineral tenement and
land tenure status
Exploration done by
other parties
Commentary
Type, reference name/number, location and ownership including agreements or material issues The Tallebung Project is described by NSW Exploration Licence 6699
with third parties such as joint ventures, partnerships, overriding royalties, native title interests, The tenement is 100% owned by Stannum Pty Ltd, a 100% owned subsidiary of Big Sky Metals Pty Ltd
historical sites, wilderness or national park and environmental settings.
and a 100% owned subsidiary of Sky Metals Ltd.
The Tallebung tenement is overlain by Native Title Determination Application No NC12/1 (Federal Court
No NSD 415/12). A determination of extinguished native title was received over a portion of the
Tallebung Tin Field.
An agreement between for the remainder of the tenement where Native Title has not been
extinguished, an agreement has been reached between Stannum and the Native Titla Applicant to allow
access to the remainder of the tenement.
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
Stannum Pty Ltd have previously Commenced a Right
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