- New southern zone discovery at the Trundle Park prospect
confirmed and extended
- Most recent hole TRDD030 returns broad
intervals of two mineralising phases, both with zones of
significant visual chalcopyrite (assay results pending):
-
- Cumulative mineralized skarn intervals enlarged and totals
~250m
- Extension of quartz-carbonate-chalcopyrite vein sets
down dip with increased veining and visual chalcopyrite
- Skarn bedding and vein orientation provide vectors for
following up drill testing of the interpreted causative porphyry
intrusion source
- Hole TRDD030 was a scissor hole collared ~685m south from
TRDD029, confirms a ~1.3 km strike of gold-copper
mineralization and further opens up a significant search
open in all directions
- Previously announced TRDD029 intersected three blind and new
broad higher-grade skarn zones1:
-
- Cumulative mineralised intervals some 213m
- Assay results are only available for the Upper skarn which has
returned 36m @ 1.17 g/t gold
equivalent2. Remaining results are due in
approximately 2 weeks
- Second rig has commenced air-core drilling to test the wider
intrusive complex and extent of identified anomalous copper-gold
mineralisation at open pit target depths to the north of Trundle
Park with 54 holes for 2,020m
planned
MELBOURNE, Australia,
Feb. 23, 2022 /CNW/ - Kincora Copper
Limited (the Company, Kincora) (TSXV: KCC) (ASX: KCC) is very
pleased to provide an exploration update from ongoing drilling at
Trundle Park prospect situated at the brownfield Trundle project,
located in the Macquarie Arc of the Lachlan Fold Belt (LFB) in NSW,
Australia.
John Holliday, Technical
Committee chair, and Peter Leaman,
VP of Exploration, noted:
"While only two holes in,
TRDD030 confirms we are onto something of significance in this
newly identified southern extension of the mineralized system at
Trundle Park and provides increasing confidence of our geological
interpretations.
Our working model is that
TRDD029 and TRDD030 sit in a down faulted and more mineralised
section of the wider system. We are seeing broad zones of multiple
chalcopyrite bearing mineralizing events and phases, and the most
amounts of visual chalcopyrite to date at the Trundle
project.
The intersected skarns zones
and vein sets systems have provided important vectors for follow up
drilling and are suggestive of very considerable primary
source."
An accompanying presentation, including further details on the
Trundle project and recent drill results, is available at
www.kincoracopper.com
Figure 1: Examples of key mineralised zones in
holes TRDD029 & TRDD030 - Trundle Park prospect3
(a)
|
i.
TRDD029 - Upper skarn top section: @ 735m occurring
within 2m @ 1.94 g/t gold & 0.94% copper from 734-736m,
comprising: prograde garnet (olive)-magnetite (black)-pyrite (dark
yellow)-chalcopyrite (yellow), cut by later retrograde carbonate
(tan iron carbonate and white calcite)-hematite (red)-chalcopyrite
(yellow)
|
|
|
|
ii.
TRDD030 - Upper skarn top section: @ 649m
(assay results pending), magnetite (>70%) with garnet (olive)
containing disseminated chalcopyrite (yellow) and cut by later
quartz-carbonate-chalcopyrite vein sets (red) and void
fillings
|
|
|
(b)
|
i.
TRDD029 - Upper skarn: @ 758-762m (assay results
pending): prograde garnet-magnetite (black)-pyrite-chalcopyrite
(yellow), cut by later retrograde carbonate (tan iron carbonate
& white calcite)-hematite (red)–chalcopyrite
(@760.5m)
|
|
|
|
ii.
TRDD030 - Upper skarn: @ 661-666m (assay results
pending): ): magnetite (black) with chalcopyrite, cut by later
carbonate-quartz veins with minor hematite and traces of
chalcopyrite blebs (@ 662.3 – 663m), then continuing with garnet
(olive)- magnetite (>20%) and disseminated pyrite skarn with
chalcopyrite
|
|
|
(c)
|
i.
TRDD029 - Middle skarn: @ 891.6m (assay results
pending): prograde garnet-magnetite-pyrite-chalcopyrite (yellow) at
891.6m
|
|
|
|
ii.
TRDD030 - Middle skarn: @ 742m (assay results
pending): prograde garnet (olive)-magnetite (grey-black)-minor
pyrite and chalcopyrite (yellow), with later void & fracture
fill comprising orthoclase (orange)-calcite and
chalcopyrite
|
|
|
|
iii.
TRDD030 - Middle skarn: @ 750-753m (assay
results pending): prograde magnetite-garnet skarn with visible
disseminations of chalcopyrite (yellow), in turn cut by
quartz-carbonate void and vein fillings with traces of chalcopyrite
blebs with inset photo @ 752m
|
|
|
(d)
|
i.
TRDD029 - Quartz-carbonate-chalcopyrite vein sets: (assay
results pending): Examples of carbonate-quartz veins with
chalcopyrite (yellow) at 474m and 510m. Both veins
occur outside of the skarn zones and are hosted by volcaniclastic
rocks
|
|
|
|
ii.
TRDD030 - Quartz-carbonate-chalcopyrite vein sets: @
819-822.5m (assay results pending): Example of a
carbonate-quartz-chalcopyrite vein cutting
chlorite-sericite-hematite altered volcanoclastic rocks with insert
at 821.4m, zoomed into the chalcopyrite vein. This vein occurs
within the Middle Skarn zone.
|
1
See January 25th, 2022 press release "Newly
discovered higher-grade zones expand the large-scale gold-copper
system at Trundle Park" for further details, technical disclosures
and QAQC procedures
|
2
gold equivalent calculated @ US$1834/oz gold and US$4.52/lb
copper with 100% recoveries
|
3
Photos of selected intervals which are not representative of the
mineralization hosted on the whole property or Trundle Park
prospect but are of the alteration and lithology's intersected in
the mineralised zones in these sections of drill holes TRDD029 and
TRDD030, and current working geological interpretation presented in
Figure 3. See Table 2 for visual estimates and descriptions of the
selected photos of core.
|
There is
insufficient drilling data to date to demonstrate continuity of
mineralised domains and determine the relationship between
mineralization widths and intercept lengths. True widths are not
known.
|
Figure 2: Hole TRDD031 is ongoing at the Trundle Park
prospect with a second rig commencing shallow air-core
drilling to test the wider intrusive complex to the north at the
Dunn's and Ravenswood South
prospects
Figure 3: Significant new mineralised zones
intersected in TRDD029 are confirmed and extended in TRDD030
with gold-copper mineralization across ∼1.3 km
strike and open
(a) Plan view of Trundle Park prospect,
multiple visually significant mineralised zones in holes TRDD029
and TRDD030 - see Figure 2 (b) & (c) for sections
(b)
|
Working Leapfrog
alteration model and section of the Trundle Park
prospect
|
|
(Section line looking
southeast through Figure 2 (a). Length ~1450m and width
~600m)
|
(c)
|
Key alteration,
lithology in TRDD029/30 and intrusions with significant mineralised
intervals/holes
|
|
Illustration TRDD031
target, incl. plan view of skarn bedding & vein orientation
from TRDD029/30 over magnetics (TMI)
|
|
(Section line looking
southeast through Figure 2 (a). Length ~1450m and width
~600m)
|
Drill hole TRDD030
Hole TRDD030 was collared approximately 685m SSE as a scissor hole testing the up and
down dip extent of the Upper skarn zone in TRDD029 and for a
causative porphyry intrusion.
As previously announced1, TRDD029 was designed to
test the nearer surface intrusions returned in TRDD028 and the
southern strike of an emerging mineralised corridor. The hole was
continued with newly identified quartz-carbonate-chalcopyrite vein
sets increasing with depth before intersecting multiple blind and
new broad higher-grade skarn zones. This was a significant
positive development for the project, with these skarn zones
exhibiting favourable prograde development, characterised by
garnet-magnetite-pyrite, within three notable separate intervals:
the Upper Skarn; Middle Skarn; and, Lower Skarn zones, with
significant cumulative altered and/or mineralised intervals of some
213m.
Each of these three zones had visible disseminated chalcopyrite
associated with the prograde skarn intervals, often with magnetite.
garnet and pyrite. Good examples of bladed magnetite were also
observed in the prograde skarn assemblages in hole TRDD029.
As previously announced, the assay results for the Upper Skarn
zone included 36m @ 0.68 g/t gold and
0.29% copper from 732m with the
balance of the hole delivered to ALS Orange and remaining results
expected in approximately 2 weeks (impacted by current congestion
at the laboratory). Core for TRDD030 has also been delivered
to the lab and is expected in approximately 6 weeks
A second stage of copper development is noticed with bleb-like
chalcopyrite occurring in a retro-grade skarn stage with carbonate
(both iron-carbonate and calcite) along with orthoclase (orange
K-feldspar) and hematite (specular and bladed).
As anticipated, TRDD030 has provided significant new skarn
bedding and true width data, but also positively surprised with the
following key developments:
- Extension of quartz-carbonate-chalcopyrite vein sets:
Increased vein sets and visual chalcopyrite where noted over
330m down dip from TRDD029 – see
Figure 1 (d) (assays pending). New confirmationary vein
orientations have been gained from TRDD030, with a similar
NE-trending direction as noted in TRDD029, possibly developed as
leakage along fractures emanating from a deeper copper bearing
system and providing vectors for follow up drilling.
- Strike and depth extension of mineralised skarns: The
cumulative altered and/or mineralized skarn intervals were extended
and totals almost 250m (assays
pending) (relative to some 213m in
TRDD029). Respective units of the Upper, Middle and Lower Skarns
from TRDD029 were intersected in TRDD030. For example, the Middle
skarn zone was extended vertically over 100m and over 150m
horizontality (at end of zone).
The working interpretation is that TRDD029 and TRDD030 sit in a
down faulted, preserved, less faulted and more mineralised section
of the wider Trundle Park system.
Multiple chalcopyrite bearing events and phases have been noted
with the highest visual chalcopyrite seen to date at the Trundle
project. The size of the skarns (very significant in the context of
the Macquarie Arc) and vein set systems are suggestive of a
significant primary source.
Holes TRDD029 and TRDD030 have provided important geological
vectors for follow up. Initial follow up hole TRDD031 has
commenced, a 50m step out west of
TRDD030, targeting the interpreted up dip potential of the system.
TRDD031 will test recently gained skarn bedding, chalcopyrite
quartz vein orientation and the core of a magnetic high
anomaly.
Air-core drilling commenced
Following completion of annual farming harvests, the return of
favourable ground conditions and intrusions being intersected
nearer surface in holes TRDD028 and TRDD029 at the Trundle Park
prospect, a second rig has commenced a shallow air-core drilling
program.
This program will test priority areas of the wider intrusive
complex to the north of Trundle Park at the Dunn's and Ravenswood South prospects, located
2km north and 5.5km north-west respectively.
A planned 54 holes for 2,020 metres is expected to be completed
within a month at the Trundle project, following up previous copper
-gold geochemistry anomalies.
Shallow near surface drill hole coverage at the majority of the
Trundle project is broadly spaced relative to the nature of the
narrow but vertically extensive Macquarie Arc porphyry model with
many identified geochemical anomalies not sufficiently followed
up.
The commenced air-core program seeks to better understand the
potential for nearer surface intrusions and extent of identified
anomalous copper-gold mineralisation at open pit target depths
within these prospect areas.
Table 1: Trundle project - Collar
Information
For further details,
including QAQC procedures, please refer to the following press
releases:
|
1.
|
July 6, 2020 -
Kincora announces high-grade gold-copper results from first hole at
Trundle
|
2.
|
July 23, 2020 -
Kincora reports further strong encouragement at Trundle
|
3.
|
September 3, 2020 -
Kincora provides update on expanded drilling program at
Trundle
|
4.
|
November 30, 2020 -
Kincora intersects broad mineralised zones at Trundle
|
5.
|
January 20, 2021 -
Kincora intersects further shallow mineralization at
Trundle
|
6.
|
March 2021 -
Independent Technical Report for the ASX
prospectus
|
7.
|
April 22, 2021 -
Exploration Update
|
8.
|
July 8, 2021 -
Exploration portfolio drilling update
|
9.
|
August 17 2021 -
Significant gold-bearing intervals at Trundle Park
|
10.
|
December 7 2021 -
Porphyry system extended to surface and depth at Trundle
Park
|
11.
|
January 25, 2022 -
Newly discovered higher-grade zones expand the large-scale
gold-copper system at Trundle Park
|
Table 2: Visual estimates and descriptions of
Figure 1 core
In relation to the disclosure of selected intervals of drill
core and visual mineralisation, the Company cautions that estimates
of sulphide mineral abundance and lithology from preliminary
geological logging should not be considered a proxy for
quantitative analysis of laboratory assay results or detailed
petrology. Assay results are required to determine the actual
widths and grade of the visual mineralisation. Geological
logging will be further calibrated with full assay, petrology
results and further team review.
Trundle Project background
The Trundle Project is located in the Junee-Narromine volcanic belt
of the Macquarie Arc, less than 30km from the mill at the
Northparkes mines in a brownfield setting within the westerly rift
separated part of the Northparkes Igneous Complex ("NIC"). The NIC
hosts a mineral endowment of approximately 24Moz AuEq (at 0.6% Cu
and 0.2g/t Au) and is Australia's
second largest porphyry mine comprising of 22 discoveries, 9 of
which with positive economics.
The Trundle Project includes one single license covering
167km2 and was secured by Kincora in the March 2020 agreement with RareX Limited ("REE" on
the ASX). Kincora is the operator, holds a 65% interest in the
Trundle Project and is the sole funder until a positive scoping
study is delivered at which time a fund or dilute joint venture
will be formed.
For further information on the Trundle and Northparkes Projects
please refer to Kincora's website:
https://kincoracopper.com/the-trundle-project/
This announcement has been authorised for release by the
Board of Kincora Copper Limited (ARBN 645 457 763)
Forward-Looking Statements
Certain information regarding Kincora contained herein may
constitute forward-looking statements within the meaning of
applicable securities laws. Forward-looking statements may include
estimates, plans, expectations, opinions, forecasts, projections,
guidance or other statements that are not statements of fact.
Although Kincora believes that the expectations reflected in such
forward-looking statements are reasonable, it can give no assurance
that such expectations will prove to have been correct. Kincora
cautions that actual performance will be affected by a number of
factors, most of which are beyond its control, and that future
events and results may vary substantially from what Kincora
currently foresees. Factors that could cause actual results to
differ materially from those in forward-looking statements include
market prices, exploitation and exploration results, continued
availability of capital and financing and general economic, market
or business conditions. The forward-looking statements are
expressly qualified in their entirety by this cautionary statement.
The information contained herein is stated as of the current date
and is subject to change after that date. Kincora does not assume
the obligation to revise or update these forward-looking
statements, except as may be required under applicable securities
laws.
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) or the Australian Securities
Exchange accepts responsibility for the adequacy or accuracy of
this release.
Drilling, Assaying, Logging and QA/QC Procedures
Sampling and QA/QC procedures are carried out by Kincora Copper
Limited, and its contractors, using the Company's protocols as per
industry best practise.
All samples have been assayed at ALS Minerals Laboratories,
delivered to Orange, NSW, Australia. In addition to internal checks by
ALS, the Company incorporates a QA/QC sample protocol utilizing
prepared standards and blanks for 5% of all assayed samples.
Diamond drilling was undertaken by DrillIt Consulting Pty Ltd,
from Parkes, under the supervision of our field geologists. All
drill core was logged to best industry standard by well-trained
geologists and Kincora's drill core sampling protocol consisted a
collection of samples over all of the logged core.
Sample interval selection was based on geological controls or
mineralization or metre intervals, and/or guidance from the
Technical Committee provided subsequent to daily drill and logging
reports. Sample intervals are cut by the Company and delivered by
the Company direct to ALS.
All reported assay results are performed by ALS and widths
reported are drill core lengths. There is insufficient drilling
data to date to demonstrate continuity of mineralised domains and
determine the relationship between mineralization widths and
intercept lengths.
True widths are not known at this stage.
Significant mineralised intervals for drilling at the Trundle
project are reported based upon two different cut off grade
criteria:
- Interpreted near surface skarn gold and copper intercepts are
calculated using a lower cut of 0.20g/t and 0.10% respectively;
and,
- Porphyry intrusion system gold and copper intercepts are
calculated using a lower cut of 0.10g/t and 0.05%
respectively.
Significant mineralised intervals are reported with dilution on
the basis of:
- Internal dilution is below the aforementioned respective cut
off's; and,
- Dilutions related with core loss as flagged by a "*".
The following assay techniques have been adopted for drilling at
the Trundle project:
- Gold: Au-AA24 (Fire assay), reported.
- Multiple elements: ME-ICP61 (4 acid digestion with ICP-AES
analysis for 33 elements) and ME-MS61 (4 acid digestion with
ICP-AES & ICP-MS analysis for 48 elements), the latter report
for TRDD001 and former reported for holes TRDD002-TRDD022.
- Copper oxides and selected intervals with native copper:
ME-ICP44 (Aqua regia digestion with ICP-AES analysis) has been
assayed, but not reported.
- Assay results >10g/t gold and/or 1% copper are
re-assayed.
Qualified Person
The scientific and technical
information in this news release was prepared in accordance with
the standards of the Canadian Institute of Mining, Metallurgy and
Petroleum and National Instrument 43-101 – Standards of Disclosure
for Mineral Projects ("NI 43-101") and was reviewed, verified and
compiled by Kincora's geological staff under the supervision of
Paul Cromie (BSc Hons. M.Sc.
Economic Geology, PhD, member of the Australian Institute of Mining
and Metallurgy and Society of Economic Geologists), Exploration
Manager Australia, who is the Qualified Persons for the purpose of
NI 43-101.
JORC Competent Person Statement
Information in this
report that relates to Exploration Results, Mineral Resources or
Ore Reserves has been reviewed and approved by Mr. Paul Cromie, a Qualified Person under the
definition established by JORC and have sufficient experience which
is relevant to the style of mineralization and type of deposit
under consideration and to the activity being 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'.
Paul Cromie (BSc Hons. M.Sc.
Economic Geology, PhD, member of the Australian Institute of Mining
and Metallurgy and Society of Economic Geologists), is Exploration
Manager Australia for the Company.
Mr. Paul Cromie consents to the
inclusion in this report of the matters based on his information in
the form and context in which it appears.
The review and verification process for the information
disclosed herein for the Trundle, Fairholme and Nyngan projects
have included the receipt of all material exploration data, results
and sampling procedures of previous operators and review of such
information by Kincora's geological staff using standard
verification procedures.
JORC TABLE 1
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 (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.
- In cases 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 30 g charge for
fire assay'). In other cases more explanation may be required, such
as where there is coarse gold that has inherent sampling problems.
Unusual commodities or mineralisation types (eg submarine nodules)
may warrant disclosure of detailed information
|
- Kincora Copper
Limited is the operator of the Trundle Project, with drilling using
diamond coring methods by DrillIt Consulting Pty Ltd, from which
sub-samples were taken over 2 m intervals and pulverised to produce
suitable aliquots for fire assay and ICP-MS.
- Diamond drilling
was used to obtain orientated samples from the ground, which was
then structurally, geotechnically and geologically
logged.
- Sample interval
selection was based on geological controls and
mineralization.
- Sampling was
completed to industry standards with 1⁄4 core for PQ and HQ
diameter diamond core and 1⁄2 core for NQ diameter diamond core
sent to the lab for each sample interval.
- Samples were
assayed via the following methods:
-
- Gold: Au-AA24 (Fire
assay)
- Multiple elements:
ME-ICP61 (4 acid digestion with ICP-AES analysis for 33 elements)
and ME-MS61 (4 acid digestion with ICP-AES & ICP-MS analysis
for 48 elements)
- Copper oxides and
selected intervals with native copper: ME-ICP44 (Aqua regia
digestion with ICP-AES analysis) has been assayed, but not
reported
- Assay results
>10g/t gold and/or 1% copper are re-assayed
- Historic sampling
on other projects included soils, rock chips and drilling (aircore,
RAB, RC and diamond core).
|
Drilling
techniques
|
- 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.).
|
- Drilling by Kincora
at Trundle used diamond core drilling with PQ, HQ and NQ diameter
core depending on drilling depth.
- All Kincora core
was oriented using a Reflex ACE electronic tool.
- Historic drilling
on Kincora projects used a variety of methods including aircore,
rotary air blast, reverse circulation, and diamond core. Methods
are clearly stated in the body of the previous reports with any
historic exploration results.
|
Drill sample
recovery
|
- 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.
|
- Drill Core recovery
was logged.
- Diamond drill core
recoveries are contained in the body of the
announcement.
- Core recoveries
were recorded by measuring the total length of recovered core
expressed as a proportion of the drilled run length.
- Core recoveries for
most of Kincora's drilling were in average over 96.7%, with two
holes averaging 85.0%
- Poor recovery zones
are generally associated with later fault zones and the upper
oxidised parts of drill holes.
- There is no
relationship between core recoveries and grades.
|
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.
|
- All Kincora holes
are geologically logged for their entire length including
lithology, alteration, mineralisation (sulphides and oxides),
veining and structure.
- Logging is mostly
qualitative in nature, with some visual estimation of mineral
proportions that is semi-quantitative. Measurements are taken on
structures where core is orientated.
- All core is
photographed.
- Historic drilling
was logged with logging mostly recorded on paper in reports lodged
with the NSW Department of Mines.
|
Sub-sampling
techniques and sample preparation
|
- 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.
|
- Once all geological
information was extracted from the drill core, the sample intervals
were cut with an Almonte automatic core saw, bagged and delivered
to the laboratory.
- This is an
appropriate sampling technique for this style of mineralization and
is the industry standard for sampling of diamond drill
core.
- PQ and HQ
sub-samples were quarter core and NQ half core.
- Sample sizes are
considered appropriate for the disseminated, generally fine-grained
nature of mineralisation being sampled.
- Duplicate sampling
on some native copper bearing intervals in TRDD001 was undertaken
to determine if quarter core samples were representative, with
results indicating that sampling precision was acceptable. No other
duplicate samples were taken.
|
Quality of assay data
and laboratory tests
|
- 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 (ie lack of bias) and precision have been
established.
|
- Gold was determined
by fire assay and a suite of other elements including Cu and Mo by
4-acid digest with ICP-AES finish at ALS laboratories in Orange and
Brisbane. Over-grade Cu (>1%) was diluted and re-assayed by
AAS.
- Techniques are
considered total for all elements. Native copper mineralisation in
TRDD001 was re-assayed to check for any effects of incomplete
digestion and no issues were found.
- For holes up to
TRDD007 every 20th sample was either a commercially supplied pulp
standard or pulp blank. After TRDD007 coarse blanks were
utilised.
- Results for blanks
and standards are checked upon receipt of assay certificates. All
standards have reported within certified limits of accuracy and
precision.
- Historic assays on
other projects were mostly gold by fire assay and other elements by
ICP.
|
Verification of
sampling and assaying
|
- 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.
|
- Significant
intercepts were calculated by Kincora's geological
staff.
- No twinned holes
have been completed.
- The intercepts have
not been verified by independent personal.
- Logging data is
captured digitally on electronic logging tablets and sampling data
is captured on paper logs and transcribed to an electronic format
into a relational database maintained at Kincora's Mongolian
office. Transcribed data is verified by the logging
geologist.
- Assay data is
received from the laboratory in electronic format and uploaded to
the master database.
- No adjustments to
assay data have been made.
- Outstanding assays
are outlined in the body of the announcement.
|
Location of data
points
|
- 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.
|
- Collar positions
are set up using a hand-held GPS and later picked up with a DGPS to
less than 10cm horizontal and vertical accuracy.
- Drillholes are
surveyed downhole every 30m using an electronic multi-shot magnetic
instrument.
- Due to the presence
of magnetite in some alteration zones, azimuth readings are
occasionally unreliable and magnetic intensity data from the survey
tool is used to identify these readings and flag them as such in
the database.
- Grid system used is
the Map Grid of Australia Zone 55, GDA 94 datum.
- Topography in the
area of Trundle is near-flat and drill collar elevations provide
adequate control
|
Data spacing and
distribution
|
- Data spacing for
reporting of Exploration Results.
- Whether the data
spacing and distribution is sufficient to establish the degree of
geological and grade continuity appropriate for the Mineral
Resource and Ore Reserve estimation procedure(s) and
classifications applied.
- Whether sample
compositing has been applied.
|
- Kincora drilling at
Trundle is at an early stage, with drill holes stepping out from
previous mineralisation intercepts at various
distances.
- Data spacing at
this stage is insufficient to establish the continuity required for
a Mineral Resource estimate.
- No sample
compositing was applied to Kincora drilling.
- Historic drilling
on Trundle and other projects was completed at various drill hole
spacings and no other projects have spacing sufficient to establish
a mineral resource.
|
Orientation of data
in relation to geological structure
|
- Whether the
orientation of sampling achieves unbiased sampling of possible
structures and the extent to which this is known, considering the
deposit type.
- If the
relationship between the drilling orientation and the orientation
of key mineralised structures is considered to have introduced a
sampling bias, this should be assessed and reported if
material.
|
- The orientation of
Kincora drilling at Trundle has changed as new information on the
orientation of mineralisation and structures has become
available.
- The angled drill
holes were directed as best possible across the known lithological
and interpreted mineralised structures.
- There does not
appear to be a sampling bias introduced by hole orientation in that
drilling not parallel to mineralised structures.
|
Sample
security
|
- The measures taken to ensure sample
security.
|
- Kincora staff or their contractors oversaw all stages
of drill core sampling. Bagged samples were placed inside polyweave
sacks that were zip-tied, stored in a locked container and then
transported to the laboratory by Kincora field
personnel.
|
Audits or
reviews
|
- The results of any audits or reviews of sampling
techniques and data.
|
- Mining Associates
has completed an review of sampling techniques and procedures dated
January 31st, 2021, as outlined in the Independent Technical Report
included in the ASX listing prospectus, which is available
at:
https://www.kincoracopper.com/investors/asx-prospectus
|
Section 2 Reporting of Exploration Results
(Criteria
listed in the preceding section also apply to this section.)
Criteria
|
JORC Code
explanation
|
Commentary
|
Mineral tenement and
land tenure status
|
- Type, reference
name/number, location and ownership including agreements or
material issues with third parties such as joint ventures,
partnerships, overriding royalties, native title interests,
historical sites, wilderness or national park and environmental
settings.
- The security of
the tenure held at the time of reporting along with any known
impediments to obtaining a licence to operate in the
area.
|
- Kincora holds three
exploration licences in NSW and rights to a further six exploration
licences through an agreement with RareX Limited (RareX, formerly
known as Clancy Exploration).
- EL8222 (Trundle),
EL6552 (Fairholme), EL6915 (Fairholme Manna), EL8502 (Jemalong),
EL6661 (Cundumbul) and EL7748 (Condobolin) are in a JV with RareX
where Kincora has a 65% interest in the respective 6 licenses and
is the operator /sole funder of all further exploration until a
positive scoping study or preliminary economic assessment ("PEA")
on a project by project basis. Upon completion of PEA, a joint
venture will be formed with standard funding/dilution and right of
first refusal on transfers.
- EL8960 (Nevertire),
EL8929 (Nyngan) and EL9320 (Mulla) are wholly owned by
Kincora.
- All licences are in
good standing and there are no known impediments to obtaining a
licence to operate.
|
Exploration done by
other parties
|
- Acknowledgment and appraisal of exploration by
other parties.
|
- All Kincora
projects have had previous exploration work undertaken.
- The review and
verification process for the information disclosed herein and of
other parties for the Trundle project has included the receipt of
all material exploration data, results and sampling procedures of
previous operators and review of such information by Kincora's
geological staff using standard verification procedures. Further
details of exploration efforts and data of other parties are
providing in the March 1st, 2021, Independent Technical
Report included in the ASX listing prospectus, which is available
at:
https://www.kincoracopper.com/investors/asx-prospectus
|
Geology
|
- Deposit type, geological setting and style of
mineralisation.
|
- All projects ex
EL7748 (Condobolin) are within the Macquarie Arc, part of the
Lachlan Orogen.
- Rocks comprise
successions of volcano-sedimentary rocks of Ordovician age intruded
by suites of subduction arc-related intermediate to felsic
intrusions of late Ordovician to early Silurian age.
- Kincora is
exploring for porphyry-style copper and gold mineralisation,
copper-gold skarn plus related high sulphidation and epithermal
gold systems.
|
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
- down hole length
and interception depth
- hole
length.
- If the exclusion
of this information is justified on the basis that the information
is not Material and this exclusion does not detract from the
understanding of the report, the Competent Person should clearly
explain why this is the case.
|
- Detailed information on Kincora's drilling at Trundle
is given in the body of the report.
|
Data aggregation
methods
|
- In reporting
Exploration Results, weighting averaging techniques, maximum and/or
minimum grade truncations (e.g. 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.
|
- For Kincora
drilling at Trundle the following methods were used:
- Interpreted
near-surface skarn gold-copper intercepts were aggregated using a
cut-off grade of 0.20 g/t Au and 0.10% Cu respectively.
- Porphyry
gold-copper intercepts were aggregated using a cut-off grade of
0.10 g/t Au and 0.05% Cu respectively.
- Internal dilution
below cut off included was generally less than 25% of the total
reported intersection length.
- Core loss was
included as dilution at zero values.
- Average gold and
copper grades calculated as averages weighted to sample
lengths.
- Historic drilling
results in other project areas are reported at different cut-off
grades depending on the nature of mineralisation.
|
Relationship between
mineralisation widths and intercept lengths
|
- 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').
|
- Due to the
uncertainty of mineralisation orientation, the true width of
mineralisation is not known at Trundle.
- Intercepts from
historic drilling reported at other projects are also of unknown
true width.
|
Diagrams
|
- Appropriate maps and sections (with scales) and
tabulations of intercepts should be included for any significant
discovery being reported These should include, but not be limited
to a plan view of drill hole collar locations and appropriate
sectional views.
|
- Relevant diagrams are included in the body of the
report.
|
Balanced
reporting
|
- Where comprehensive reporting of all Exploration
Results is not practicable, representative reporting of both low
and high grades and/or widths should be practiced to avoid
misleading reporting of Exploration Results.
|
- Intercepts reported for Kincora's drilling at Trundle
are zones of higher grade within unmineralised or weakly anomalous
material.
|
Other substantive
exploration data
|
- Other exploration data, if meaningful and
material, should be reported including (but not limited to):
geological observations; geophysical survey results; geochemical
survey results; bulk samples – size and method of treatment;
metallurgical test results; bulk density, groundwater, geotechnical
and rock characteristics; potential deleterious or contaminating
substances.
|
- No other
exploration data is considered material to the reporting of results
at Trundle. Other data of interest to further exploration targeting
is included in the body of the report.
- Historic
exploration data coverage and results are included in the body of
the report for Kincora's other projects.
|
Further
work
|
- The nature and
scale of planned further work (e.g. 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.
|
- Drilling at the Mordialloc and Trundle Park targets
are ongoing at the time of publication of this report and plans for
further step-out drilling are in place at both the Trundle Park and
Mordialloc prospects. Further drilling is proposed at other Trundle
project areas, including air core programs at the Mordialloc, Dunns
and Ravenswood South prospects, that have complementary but
insufficiently tested geochemistry and geophysical targets with the
aim to find: (a) and expand near surface copper-gold skarn
mineralization overlying or adjacent to (b) underlying copper-gold
porphyry systems.
|
SOURCE Kincora Copper Limited