TIDM1SN
RNS Number : 5245K
First Tin PLC
29 August 2023
29 August 2023
First Tin Plc
("First Tin" or "the Company")
Final results from Tin Beetle drilling confirm hub and spoke
potential at Taronga tin project
First Tin PLC ("First Tin"), a tin development company with
advanced, low capex projects in Germany and Australia, is pleased
to report that the remaining assays from its Tin Beetle prospect,
approximately 9km from our advanced Taronga DFS project, have
confirmed mineralisation over the entire 2.3km tested to date. This
validates the company's 340km(2) tenure in the Emmaville area as a
"Tin District", with excellent potential for satellite deposits to
the large Taronga deposit. Historically, approximately 88,000
tonnes of alluvial tin were mined from within the Emmaville
district, the majority of which came from the Tin Beetle area.
Tin Beetle is one of six additional prospects near Taronga that
have potential for satellite or stand-alone tin mineralisation
(Figure 1).
Highlights
-- Initial assay results from very wide spaced drilling confirm
wide intervals of tin mineralisation with narrower zones of higher
grade mineralisation
-- Significant intercepts include:
o 48m @ 0.18% Sn from 2m incl. 21m @ 0.32% Sn from 2m and 3m @
0.28% Sn from 42m
o 30m @ 0.10% Sn from surface incl. 7m @ 0.16% Sn from 21m
(entire hole mineralised)
o 18m @ 0.07% Sn from 17m incl. 9m @ 0.10% Sn from 17m
o 78m @ 0.08% Sn from 7m incl. 12m @ 0.11% Sn from 7m and 12m @
0.13% Sn from 48m
o 57m @ 0.05% Sn from 62m
o 27m @ 0.08% Sn from 76m incl. 14m @ 0.12% Sn from 77m and 5m @
0.18% Sn from 85m
-- These intercepts are similar to early drill intercepts at the main Taronga mineralisation
-- Tin Beetle appears to have lower copper and silver content,
but higher zinc content than Taronga
-- The Tin Beetle prospect is located approximately 9km
southeast of the main Taronga mineralisation, providing potential
for it to be taken by road to a central milling facility at Taronga
following on-site upgrading by crushing and possible jigging
-- If successful, this concept could significantly add to the
annual tin production and/or increase the overall mine life of the
Taronga tin project
First Tin CEO Thomas Buenger said: " We are pleased to announce
that this drilling has proven our thesis that Taronga is part of a
tin district rather than a singular tin occurrence. The recent
drill intercepts at Tin Beetle are similar to early drill
intercepts at the main Taronga project.
Tin Beetle, like Taronga, also appears to benefit from extremely
favourable, sheeted vein style, cassiterite mineralisation, with
simple mineral processing characteristics, that outcrops at
surface, and could therefore potentially be mined as an open pit.
The confirmation of mineralisation over the entire 2.3km drilled to
date suggests potential for several open pits in the area. This
could significantly improve annual tin output and/or mine life for
the Taonga tin project as a whole.
Follow-up drilling is planned for next year following completion
of the Taronga DFS."
The project is owned by First Tin's 100% owned Australian
subsidiary, Taronga Mines Pty Ltd ("TMPL").
All assay results are presented in Table 1. The true width of
intervals is around half the downhole width. Estimated true widths
are included in Table 1.
The drilling targeted a broad area (3km x 0.6km) of
mineralisation that had been mined for alluvial and eluvial tin
during the 19(th) and 20(th) Centuries. It is defined by large
workings that have stripped the alluvial material and then
continued into weathered, clayey felsic volcanics with sheeted
greisen veins hosting cassiterite (tin oxide) mineralisation. This
was historically referred to as "soft rock" mineralisation. Four
ENE trending zones of sheeted veining are interpreted from the
outlines of workings, tin geochemistry, mapped areas of veining and
limited previous drilling (Figure 2).
The current TMPL drilling has confirmed and extended at depth,
mineralisation identified by previous explorers in the late 1970s
and early 1980s. The mineralisation intersected is variable in
thickness and grade and it is interpreted that several moderately
sized higher-grade deposits exist within the overall very large,
low-grade mineralisation system.
One area with good outcropping tin mineralisation has been
tested by four drillholes (TMGBRC001-4) over about 250m of strike
in the central part of the central zone (Figure 2). This has
confirmed mineralisation with similar grade to the main Taronga
mineralisation (0.10 to 0.18% Sn) over the entire 250m and with
true widths of between 5m and 25m. This could potentially be mined
using open pit techniques as mineralisation outcrops at
surface.
Three other areas have been tested by a single line of
drillholes each, and all of these have returned broad widths of
low-grade mineralisation containing smaller, higher-grade zones,
suggesting potential for several open pits in the district.
Drillhole TMGBRC006 returned a very broad mineralised zone of 78m
grading 0.08% Sn, with two higher grade zones of 12m @ 0.11% Sn and
12m @ 0.13% Sn. This is beneath the main area of "soft rock"
mineralisation mined by dredges during the 1970s and 1980s (see
dredge pits on Figure 2) and provides a very large target in this
area.
TMPL considers the Tin Beetle prospect to be one of several
potential satellite deposits for Taronga, with treatment via
preconcentration using simple crushing and possibly jigging and
then trucking the concentrate approximately 8-9km to Taronga for
final processing (Figure 1). If successful, this concept could
either add to annual tin production, increase the overall mine life
after Taronga mineralisation has been exhausted, or both.
It is proposed that a systematic drilling programme be
undertaken over the prospect area, following completion of the
Taronga DFS, designed to outline higher grade, potentially mineable
zones within this large mineralisation system.
Hole No. Easting Northing Elevation Dip Azimuth Total From To Interval Estimated Grade Comments
(GDA94 (GDA94 (m) (deg) (deg True) Depth (m) (m) (m) True (% Sn)
Z56) Z56) (m) Width
(m)
TMGBRC001 366450.0 6742625.0 920.0 -60.0 180.0 150 2.0 50.0 48.0 24.0 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 2.0 23.0 21.0 11.0 0.32
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 11.0 18.0 7.0 3.0 0.63
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 42.0 45.0 3.0 1.5 0.28
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
64.0 69.0 5.0 2.5 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
102.0 105.0 3.0 1.5 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC002 366450.0 6742625.0 920.0 -60.0 360.0 139 47.0 57.0 10.0 5.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 47.0 49.0 2.0 1.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 55.0 57.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
84.0 92.0 8.0 4.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 86.0 88.0 2.0 1.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
126.0 130.0 4.0 2.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
134.0 138.0 4.0 2.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC003 366583.0 6742648.0 924.0 -60.0 180.0 30 0.0 30.0 30.0 15.0 0.10 eoh
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 21.0 28.0 7.0 3.5 0.16
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC004 366331.0 6742603.0 918.0 -60.0 180.0 109 17.0 35.0 18.0 9.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 17.0 26.0 9.0 4.5 0.10
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
30.0 35.0 5.0 2.5 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC005 366000.0 6742325.0 918.0 -60.0 180.0 111 30.0 43.0 13.0 6.0 0.02
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
75.0 109.0 34.0 17.0 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC006 366000.0 6742250.0 917.0 -60.0 180.0 137 7.0 85.0 78.0 39.0 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 7.0 19.0 12.0 6.0 0.11
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 48.0 60.0 12.0 6.0 0.13
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC007 367242.0 6742848.0 942.0 -60.0 180.0 90 0.0 39.0 39.0 20.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 27.0 30.0 2.0 1.0 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
45.0 61.0 16.0 8.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 56.0 58.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC008 367242.0 6742848.0 942.0 -60.0 360.0 90 2.0 11.0 9.0 4.5 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
36.0 41.0 5.0 2.5 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
57.0 67.0 10.0 5.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 57.0 59.0 2.0 1.0 0.15
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC009 365100.0 6742475.0 920.0 -60.0 180.0 126 0.0 7.0 7.0 3.5 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
23.0 24.0 1.0 0.5 0.15
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
73.0 75.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC010 365100.0 6742475.0 920.0 -60.0 360.0 142 3.0 10.0 7.0 3.5 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
36.0 38.0 2.0 1.0 0.09
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
50.0 51.0 1.0 0.5 0.27
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
62.0 119.0 57.0 28.5 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC011 365100.0 6742325.0 920.0 -60.0 180.0 135 3.0 33.0 30.0 15.0 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 3.0 8.0 5.0 2.5 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC012 365100.0 6742250.0 915.0 -60.0 180.0 150 76.0 103.0 27.0 13.5 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 77.0 91.0 14.0 7.0 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 85.0 90.0 5.0 2.5 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
120.0 150.0 30.0 15.0 0.04 eoh
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
Table 1: Results of TMPL Tin Beetle RC Drilling (Survey Yet to
be Undertaken; eoh = mineralised at end of hole)
Figure 1: Tin Beetle Prospect Location Plan
Figure 2: Tin Beetle Summary Plan
Enquiries:
First Tin Via SEC Newgate below
Thomas Buenger - Chief Executive
Officer
Arlington Group Asset Management
Limited (Financial Advisor
and Joint Broker)
Simon Catt 020 7389 5016
WH Ireland Limited (Joint
Broker)
Harry Ansell 020 7220 1670
SEC Newgate (Financial Communications)
Elisabeth Cowell / Molly FirstTin@secnewgate.co.uk
Gretton
Notes to Editors
First Tin is an ethical, reliable, and sustainable tin
production company led by a team of renowned tin specialists. The
Company is focused on becoming a tin supplier in conflict-free, low
political risk jurisdictions through the rapid development of high
value, low capex tin assets in Germany and Australia.
Tin is a critical metal, vital in any plan to decarbonise and
electrify the world, yet Europe has very little supply. Rising
demand, together with shortages, is expected to lead tin to
experience sustained deficit markets for the foreseeable future.
Its assets have been de-risked significantly, with extensive work
undertaken to date.
First Tin's goal is to use best-in-class environmental standards
to bring two tin mines into production in three years, providing
provenance of supply to support the current global clean energy and
technological revolutions.
APPIX 1
JORC Code, 2012 Edition - Table 1 Tin Beetle Tin Project
(TMPL)
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections.)
Criteria JORC Code explanation Commentary
Sampling
techniques * Nature and quality of sampling (eg cut channels, * Reverse Circulation (RC) drilling was used to obtain
random chips, or specific specialised industry 1m samples from a 4.5 inch diameter drill hole.
standard measurement tools appropriate to the Drilled material was split with an onboard riffle
minerals under investigation, such as down hole gamma splitter connected to the cyclone to obtain an
sondes, or handheld XRF instruments, etc). These approximately 3-5kg representative sub-sample that
examples should not be taken as limiting the broad was bagged and sent to the laboratory for assay. This
meaning of sampling. is industry standard work.
* Include reference to measures taken to ensure sample * All RC samples were sent for assay after being logged
representivity and the appropriate calibration of any by the geologist.
measurement tools or systems used.
* The RC samples were sent to ALS Laboratories in
* Aspects of the determination of mineralisation that Zillmere QLD.
are Material to the Public Report.
* Samples were crushed to sub 6mm, split and pulverised
* In cases where 'industry standard' work has been done to sub 75um in order to produce a representative
this would be relatively simple (eg 'reverse sub-sample for analysis.
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 * Analysis of the RC samples consisted of a four-acid
explanation may be required, such as where there is digest and Inductively Coupled Plasma Optical
coarse gold that has inherent sampling problems. Emission Spectrometry (ICP-OES) for the following
Unusual commodities or mineralisation types (eg elements: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu,
submarine nodules) may warrant disclosure of detailed Fe, Ga, K, La, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb,
information. Sc, Sn, Sr, Th, Ti, Tl, U, V, W & Zn. The samples
were also assayed for Nb, Sn, Ta, and W using a
lithium borate fusion and ICP-MS technique. If over
detection on the ICP was reached, then the samples
were assayed using XRF. Standards and blanks were
inserted at a rate of 10%.
* All drilling samples were analysed and hence no prior
determination of mineralisation was made.
------------------------------------------------------------ ----------------------------------------------------------------------------
Drilling Percussion drilling was undertaken by contractors
techniques * Drill type (eg core, reverse circulation, open-hole Schonknecht Drilling, using a face sampling
hammer, rotary air blast, auger, Bangka, sonic, etc) 4.5 inch "Black Diamond" hammer, 137mm PED
and details (eg core diameter, triple or standard (polycarbonate diamond) bit and a 4.5 inch,
tube, depth of diamond tails, face-sampling bit or 6m stainless steel rod. A tight shroud (3mm
other type, whether core is oriented and if so, by gap) ensured the holes remained as straight
what method, etc). as possible. A 350psi, 900cfm compressor was
used to keep holes dry and ensure all heavy
minerals such as cassiterite are recovered.
------------------------------------------------------------ ----------------------------------------------------------------------------
Drill sample
recovery * Method of recording and assessing core and chip * All RC samples are weighed. This gives a good idea as
sample recoveries and results assessed. to recovery for the 1m intervals sampled as the
density does not vary significantly. Recovery is
estimated to be very good in general. A high pressure
* Measures taken to maximise sample recovery and ensure and volume compressor is used to endure good sample
representative nature of the samples. return and to keep holes dry. Some high water flows
were encountered but holes were generally abandoned
if water pressure was too high. Hence all samples are
* Whether a relationship exists between sample recovery considered to be representative of mineralisation
and grade and whether sample bias may have occurred encountered. The hole is cleaned out with compressed
due to preferential loss/gain of fine/coarse air after every rod change and no significant volume
material. of material is returned via this process.
* No relationship can be seen between recovery and
grade. No sample bias is noted.
------------------------------------------------------------ ----------------------------------------------------------------------------
Logging
* Whether core and chip samples have been geologically * All RC cuttings have been geologically logged to a
and geotechnically logged to a level of detail to level of detail to support appropriate mineral
support appropriate Mineral Resource estimation, estimation, mining, and metallurgical studies.
mining studies and metallurgical studies.
* All RC logging is semi-quantitative in nature,
* Whether logging is qualitative or quantitative in following a strict set of guidelines, with percentage
nature. Core (or costean, channel, etc) photography. estimates made. Representative sub-samples are
collected, sieved and generally panned to estimate
heavy mineral content. A sub-set of rock chips are
* The total length and percentage of the relevant kept in chip-trays for reference.
intersections logged.
------------------------------------------------------------ ----------------------------------------------------------------------------
Sub-sampling
techniques * If core, whether cut or sawn and whether quarter, * All RC cuttings are riffle split on the rig using a
and sample half or all core taken. radial splitter to obtain between 3kg and 5kg of
preparation sample. All samples are weighed excluding the split
off sub-samle. The sub-sample is sent to ALS
* If non-core, whether riffled, tube sampled, rotary laboratory in Brisbane.
split, etc and whether sampled wet or dry.
* Sample sizes are considered appropriate for the
* For all sample types, the nature, quality and material being sampled as the tin mineralisation
appropriateness of the sample preparation technique. occurs as cassiterite (SnO(2) ) within sub-vertical
veins that are between 0.05mm and 0.5cm wide (rarely
to 5cm) and cassiterite crystals are smaller than
* Quality control procedures adopted for all vein width. Vein density varies from about 5/m to
sub-sampling stages to maximise representivity of greater than 20/m and hence several veins are sampled
samples. in each metre. This compares with sample size that is
approximately 10,000 cm(3) for RC before
sub-sampling.
* Measures taken to ensure that the sampling is
representative of the in situ material collected,
including for instance results for field * Drilling is at an angle of -60deg and cuts across
duplicate/second-half sampling. veins that are sub-vertical (-90deg). This provides a
reasonable sample across the mineralised zones.
* Whether sample sizes are appropriate to the grain
size of the material being sampled. * At the ALS laboratory in Brisbane, the sample of RC
chips is crushed and split to less than 3kg if
appropriate using method CRU-21. The entire sample or
sub-sample is then pulverized in a mill to 85% finer
than 75um using method PUL-23.
------------------------------------------------------------ ----------------------------------------------------------------------------
Quality
of assay * The nature, quality and appropriateness of the * Tin is a difficult element to analyse as cassiterite
data and assaying and laboratory procedures used and whether is not soluble in acid. Thus, a sub-sample of the
laboratory the technique is considered partial or total. pulverized and mixed material is taken and fused with
tests lithium borate. The fused bead is then analysed by a
mass spectrometer using method ME-MS85 which reports
* For geophysical tools, spectrometers, handheld XRF Sn, W, Ta and Nb. This returns a total tin content,
instruments, etc, the parameters used in determining including tin as cassiterite. Over limit assays of
the analysis including instrument make and model, tin are re-analysed using method ME-XRF15b which
reading times, calibrations factors applied and their involves fusion with lithium metaborate with a
derivation, etc. lithium tetraborate flux containing 20% NaNO(3) with
an XRF finish.
* Nature of quality control procedures adopted (eg
standards, blanks, duplicates, external laboratory * Other elements are analysed by method ME-ICP61. This
checks) and whether acceptable levels of accuracy (ie involves a 4 acid (HF-HNO(3) -HCLO(4) digest, HCl
lack of bias) and precision have been established. leach and ICP-AES finish). This is an industry
standard technique for Cu, Pb, Zn and Ag. A suite of
34 elements are reported, including tin, which is
only acid soluble tin in this case and thus can be
subtracted from the fusion tin assays to obtain tin
as cassiterite. The acid soluble tin is generally
associated with stannite and in the lattice of
silicates. It is generally insignificant is relation
to tin as cassiterite at Taronga.
* Prior to dispatch of samples, the following QaQc
samples are added:
o Certified standards representative of the
grades expected are added at the rate of 1
in 40 samples
o Blanks are added at the rate of 1 in 40 samples
o Duplicates are added at the rate of 1 in
20 samples for RC. These are riffle split from
the original sample on site.
o For diamond drilling, the half core is split
into two quarter cores every 1 in 20 samples
and these are sent as duplicates
* All QAQC data is within acceptable limits, with
re-assay of any out of specification batches
undertaken.
------------------------------------------------------------ ----------------------------------------------------------------------------
Verification
of sampling * The verification of significant intersections by * All data is recorded on site in Excel spreadsheets
and assaying either independent or alternative company personnel. and this is later transferred to an Access database -
the main data repository. Detailed protocols for data
recording, logging codes etc are used.
* 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.
------------------------------------------------------------ ----------------------------------------------------------------------------
Location
of data * Accuracy and quality of surveys used to locate drill * All drillholes are pre-planned and located by use of
points holes (collar and down-hole surveys), trenches, mine handheld GPS. Holes are sited using Devico gyro
workings and other locations used in Mineral Resource navigation. All hole collars are surveyed in
estimation. accurately post drilling with RTKGPS (+-0.1m).
* Specification of the grid system used. * All RC holes are surveyed using downhole magnetic
surveys.
* Quality and adequacy of topographic control.
* All holes have surveys approximately every 30m
downhole.
* The grid system used is GDA94, zone 56.
* Topography is obtained from government data.
------------------------------------------------------------ ----------------------------------------------------------------------------
Data spacing
and * Data spacing for reporting of Exploration Results. * Drill hole spacing is not designed to enable resource
distribution estimation and is only considered to be first pass
exploration at present.
* 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 * Whether the orientation of sampling achieves unbiased * The drilling is oriented at about 80-90deg to the
in relation sampling of possible structures and the extent to orientation of the sheeted veins.
to which this is known, considering the deposit type.
geological
structure * The veins are sub-vertical and the drilling is angled
* If the relationship between the drilling orientation at -60deg to be as close as possible to cutting
and the orientation of key mineralised structures is across the veins at 90deg.
considered to have introduced a sampling bias, this
should be assessed and reported if material.
* As drilling was designed to cut the main sheeted
veins at as high an angle as possible. The potential
for any introduced sampling bias is considered minor.
------------------------------------------------------------ ----------------------------------------------------------------------------
Sample
security * The measures taken to ensure sample security. * A chain of custody was maintained for all TMPL
drilling.
------------------------------------------------------------ ----------------------------------------------------------------------------
Audits
or reviews * The results of any audits or reviews of sampling * An initial review of sampling procedures whilst
techniques and data. drilling was in progress, with some recommendations,
was completed by Simon Tear of independent
consultants H&S Consultants Pty Ltd
------------------------------------------------------------ ----------------------------------------------------------------------------
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this
section.)
Criteria JORC Code explanation Commentary
Mineral
tenement * Type, reference name/number, location and ownership * The project is secured by one granted tenement:
and land including agreements or material issues with third EL8335 which is currently in good standing. This is
tenure status parties such as joint ventures, partnerships, held 100% by TMPL.
overriding royalties, native title interests,
historical sites, wilderness or national park and
environmental settings. * No joint ventures or other encumbrances are known.
The underlying properties are mainly Crown Land and
town common.
* 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. * These are subject to Native Title. No native title
claims existed at the time the tenements were granted
but a statewide native title claim on crown land is
believed to exist.
* No national parks, historical sites or environmental
constraints are known.
* The only royalty is the state of NSW royalty of 4% on
tin mined.
--------------------------------------------------------------- --------------------------------------------------------------
Exploration
done by * Acknowledgment and appraisal of exploration by other * Mining was undertaken by Loloma during the 1970s and
other parties parties. 1980s. Limited exploration studies were undertaken b
y
EZ/Loloma, Billiton, Mineral Deposits and Base
Minerals between the 1970s and 1980s. This data
provides some guidance but location of drillholes is
inaccurate and can only be confirmed within +/-
10-20m. This has not, and will not, be used for any
future resource estimation work.
--------------------------------------------------------------- --------------------------------------------------------------
Geology
* Deposit type, geological setting and style of * The deposit is a sheeted vein style tin +/-
mineralisation. zinc-copper-silver deposit with horizontally and
vertically extensive veins of
quartz-mica-cassiterite-sulphide+/-fluorite-topaz
occurring over a combined area of up to 3,000m by
600m.
* The veins vary in thickness from less than 0.5mm to
100mm but are generally between 1mm and 10mm thick
and average about 20 veins per metre.
* The host rock is a felsic volcanic or volcaniclastic
sediment.
* The source of mineralising fluids is interpreted to
be an underlying intrusion of the Triassic Mole
Leucogranite, a reduced, highly fractionated, A to I
type granite. The metals of interest (Sn, Cu, Ag) are
interpreted to have been enriched in the late
magmatic fluid of this granite via enrichment of
incompatible elements during fractional
crystallisation. Breaching of the magma chamber
during brittle faulting in an ENE orientation has
tapped these enriched fluids which have subsequently
deposited the metals due to changing temperature and
pressure conditions and/or mixing with meteoric
fluids.
--------------------------------------------------------------- --------------------------------------------------------------
Drill hole * See Attachment 1 - Drill Hole Details.
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:
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.
--------------------------------------------------------------- --------------------------------------------------------------
Data
aggregation * In reporting Exploration Results, weighting averaging * All intercepts shown are weighted averages of uncut
methods techniques, maximum and/or minimum grade truncations data. The intervals are based on a nominal lower
(eg cutting of high grades) and cut-off grades are cut-off of 0.05% Sn.
usually Material and should be stated.
* The only high grades are due to very thick veins with
* Where aggregate intercepts incorporate short lengths coarse cassiterite. These are shown in the table, as
of high grade results and longer lengths of low grade to leave them out would give an unrealistic view of
results, the procedure used for such aggregation grade variability.
should be stated and some typical examples of such
aggregations should be shown in detail.
* No metal equivalent grades are quoted.
* The assumptions used for any reporting of metal
equivalent values should be clearly stated.
--------------------------------------------------------------- --------------------------------------------------------------
Relationship
between * These relationships are particularly important in the * As mineralisation is sub-vertical and holes dip at
mineralisation reporting of Exploration Results. -60deg, actual true widths are around 50% of interval
widths and widths.
intercept
lengths * If the geometry of the mineralisation with respect to
the drill hole angle is known, its nature should be * True widths are shown in the attached table.
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').
--------------------------------------------------------------- --------------------------------------------------------------
Diagrams * Plan view provided, true widths estimated.
* 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.
--------------------------------------------------------------- --------------------------------------------------------------
Balanced
reporting * Where comprehensive reporting of all Exploration * All results obtained to date are reported.
Results is not practicable, representative reporting
of both low and high grades and/or widths should be
practiced to avoid misleading reporting of * The accompanying document is considered to represent
Exploration Results. a balanced report.
--------------------------------------------------------------- --------------------------------------------------------------
Other * No other exploration data is reported here.
substantive * Other exploration data, if meaningful and material,
exploration should be reported including (but not limited to):
data 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 * RC exploration drilling is in progress and will be
tests for lateral extensions or depth extensions or reported separately when all results are to hand. It
large-scale step-out drilling). is intended that more detailed drilling of selected
targets will be undertaken in the next few years.
* Diagrams clearly highlighting the areas of possible
extensions, including the main geological
interpretations and future drilling areas, provided
this information is not commercially sensitive.
--------------------------------------------------------------- --------------------------------------------------------------
Attachment 1: Complete drilling data Table
Hole No. Easting Northing Elevation Dip Azimuth Total From To Interval Estimated Grade Comments
(GDA94 (GDA94 (m) (deg) (deg True) Depth (m) (m) (m) True (% Sn)
Z56) Z56) (m) Width
(m)
TMGBRC001 366450.0 6742625.0 920.0 -60.0 180.0 150 2.0 50.0 48.0 24.0 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 2.0 23.0 21.0 11.0 0.32
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 11.0 18.0 7.0 3.0 0.63
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 42.0 45.0 3.0 1.5 0.28
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
64.0 69.0 5.0 2.5 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
102.0 105.0 3.0 1.5 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC002 366450.0 6742625.0 920.0 -60.0 360.0 139 47.0 57.0 10.0 5.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 47.0 49.0 2.0 1.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 55.0 57.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
84.0 92.0 8.0 4.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 86.0 88.0 2.0 1.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
126.0 130.0 4.0 2.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
134.0 138.0 4.0 2.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC003 366583.0 6742648.0 924.0 -60.0 180.0 30 0.0 30.0 30.0 15.0 0.10 eoh
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 21.0 28.0 7.0 3.5 0.16
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC004 366331.0 6742603.0 918.0 -60.0 180.0 109 17.0 35.0 18.0 9.0 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 17.0 26.0 9.0 4.5 0.10
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
30.0 35.0 5.0 2.5 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC005 366000.0 6742325.0 918.0 -60.0 180.0 111 30.0 43.0 13.0 6.0 0.02
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
75.0 109.0 34.0 17.0 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC006 366000.0 6742250.0 917.0 -60.0 180.0 137 7.0 85.0 78.0 39.0 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 7.0 19.0 12.0 6.0 0.11
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
and 48.0 60.0 12.0 6.0 0.13
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC007 367242.0 6742848.0 942.0 -60.0 180.0 90 0.0 39.0 39.0 20.0 0.04
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 27.0 30.0 2.0 1.0 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
45.0 61.0 16.0 8.0 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 56.0 58.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC008 367242.0 6742848.0 942.0 -60.0 360.0 90 2.0 11.0 9.0 4.5 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
36.0 41.0 5.0 2.5 0.07
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
57.0 67.0 10.0 5.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 57.0 59.0 2.0 1.0 0.15
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC009 365100.0 6742475.0 920.0 -60.0 180.0 126 0.0 7.0 7.0 3.5 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
23.0 24.0 1.0 0.5 0.15
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
73.0 75.0 2.0 1.0 0.06
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC010 365100.0 6742475.0 920.0 -60.0 360.0 142 3.0 10.0 7.0 3.5 0.03
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
36.0 38.0 2.0 1.0 0.09
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
50.0 51.0 1.0 0.5 0.27
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
62.0 119.0 57.0 28.5 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC011 365100.0 6742325.0 920.0 -60.0 180.0 135 3.0 33.0 30.0 15.0 0.05
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 3.0 8.0 5.0 2.5 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
TMGBRC012 365100.0 6742250.0 915.0 -60.0 180.0 150 76.0 103.0 27.0 13.5 0.08
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 77.0 91.0 14.0 7.0 0.12
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
incl. 85.0 90.0 5.0 2.5 0.18
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
120.0 150.0 30.0 15.0 0.04 eoh
--------- ---------- ---------- ------ ----------- ------ ------ ------ --------- ---------- ------- ---------
(Estimated, Survey Yet to be Undertaken; eoh = mineralisation at
end of hole)
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