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Share Name | Share Symbol | Market | Type | Share ISIN | Share Description |
---|---|---|---|---|---|
Castillo Copper Limited | LSE:CCZ | London | Ordinary Share | AU000000CCZ2 | ORD NPV (DI) |
Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
---|---|---|---|---|---|---|---|---|---|---|
0.00 | 0.00% | 0.25 | 0.20 | 0.30 | 0.25 | 0.25 | 0.25 | 0.00 | 08:00:00 |
Industry Sector | Turnover | Profit | EPS - Basic | PE Ratio | Market Cap |
---|---|---|---|---|---|
Copper Ores | 0 | -6.94M | -0.0053 | 0.00 | 0 |
TIDMCCZ
RNS Number : 5892P
Castillo Copper Limited
20 October 2021
20 October 2021
CASTILLO COPPER LIMITED
("Castillo", "CCZ" or the "Company")
Comprehensive surface sampling campaign undertaken at Litchfield Lithium Project
Castillo Copper Limited (LSE and ASX: CCZ), a base metal explorer primarily focused on copper across Australia and Zambia, is pleased to announce that it is the only third-party to date which has reviewed extensive site visit reports on the Litchfield Lithium Project that were arranged by the Vendor Group's geology consultant.
The reports highlighted four target zones where comprehensive surface sampling was undertaken, primarily along the western boundary which is contiguous to Core Lithium's ( "CXO" ) (ASX: CXO) Finniss Lithium Project(1) and coincident with government mapped pegmatite occurrences(2) .
With satellite imagery(3) already confirming there is comparable geology between the Finess and Litchfield Lithium Projects, assay results for 657 surface samples are likely to have a key bearing on the due diligence process, especially if the lithium mineralisation is proved contiguous (refer Appendix B).
Simon Paull, Managing Director of Castillo Copper, commented: "The depth of the surface sampling programme conducted by the Vendor Group's geology consultant is impressive, especially as it covers our main area of interest within the tenure. Favourable assay results should make the case for the Litchfield Lithium Project significantly more compelling and hasten our due diligence efforts."
COMPREHENSIVE SAMPLING PROGRAMME
The sampling programme was conducted in two stages. The first focused on pegmatite dykes, which at surface are highly weathered and leave a quartz dyke trace, with 156 samples collected.
Leveraging insights from Stage 1, coupled with historical reports, Stage 2 comprised soil sampling across four grids - 400m spacing by 100m intervals - within four zones on the western boundary contiguous to CXO's Mt Finniss Lithium Project. Overall, 501 samples were collected from any outcrop, float or termite mounds found to be of significant size or interest.
Exploration was concentrated in the western and central portion of the Litchfield Lithium Project as it is proximal to CXO's Bynoe pegmatite field. Notably, significant sampling was undertaken in Zones 1 and 2, as these areas potentially host a representational suite of all different surface expressions for pegmatites and quartz dykes within tenure boundaries.
The main geological formation observed within the Litchfield Lithium Project are metamorphic rocks associated with the Burrell Creek formation comprising conglomerates, quartzites, schists and slates. In general, this unit represents the host rock for the regional occurrences of pegmatites that can potentially host lithium mineralisation. Encouragingly, conglomerates - a Burrell Creek formation indicator - were observed extensively in the western portion of the Litchfield Lithium Project which further supported focusing the sampling campaigns on this area.
Due diligence
Reviewing historical data, as well as the extensive site visit reports, has provided considerable insight into the Litchfield Lithium Project's exploration potential. However, the pending assay results - which are due to be received in coming weeks - should advance the due diligence progress significantly.
Next steps
For the lithium projects:
o Ongoing due diligence for the Picasso and Litchfield Lithium Projects, including return of assay results for surface sampling campaigns.
In Queensland, the following is set to take place over the coming weeks:
o Updates on drilling at Arya Copper Prospect.
There are several ongoing steps for the Zambia operations, including:
o IP survey progress updates at the Luanshya & Mkushi Projects then analyse the results for incremental targets for test-drilling; and
o Commence work on the inaugural drilling campaign at the Luanshya Project.
In addition to this release, a PDF version with supplementary information and images can be found on the
Company's website: https://castillocopper.com/investors/announcements/
For further information, please contact:
Castillo Copper Limited +61 8 6558 0886 Simon Paull (Australia), Managing Director Gerrard Hall (UK), Director SI Capital Limited (Financial Adviser and Corporate Broker) +44 (0)1483 413500 Nick Emerson Luther Pendragon (Financial PR) +44 (0)20 7618 9100 Harry Chathli, Alexis Gore, Elsa Darlington
About Castillo Copper
Castillo Copper Limited is an Australian-based explorer primarily focused on copper across Australia and Zambia. The group is embarking on a strategic transformation to morph into a mid-tier copper group underpinned by its core projects:
-- A large footprint in the Mt Isa copper-belt district, north-west Queensland, which delivers significant exploration upside through having several high-grade targets and a sizeable untested anomaly within its boundaries in a copper-rich region.
-- Four high-quality prospective assets across Zambia's copper-belt which is the second largest copper producer in Africa.
-- A large tenure footprint proximal to Broken Hill's world-class deposit that is prospective for zinc-silver-lead-copper-gold.
-- Cangai Copper Mine in northern New South Wales, which is one of Australia's highest grading historic copper mines.
The group is listed on the LSE and ASX under the ticker "CCZ."
References
1) CXO ASX Release - 21 September 2021 (Annual Report) & CCZ ASX Release - 29 September 2021
2) Frater, K. (2005). Tin-Tantalum Pegmatite Mineralisation of the Northen Territory - Report 16 ISSN 0814-7477. Northern Territory Geological Survey; and, Rawlings, D. (2017, March). Lithium-rich pegmatites of the Bynoe Field. AGES 2017 Proceedings, NT Geological Survey (p. 3pp). Northern Territory Government.
3) Satellite imagery from Geological Survey of Western Australia. Available at: https://www.dmp.wa.gov.au/Geological-Survey/Geological-Survey-262.aspx & CCZ ASX Release - 29 September 2021
Competent Person Statement
The information in this report that relates to Exploration Results for "Litchfield" and "Picasso" is based on information compiled or reviewed by Mr Geoffrey Reed, a Non- Executive Director of CCZ. Mr Reed is both a shareholder and director of Bluespoint Mining Services, a company which is a shareholder of Castillo Copper Limited. Bluespoint Mining Services provides ad hoc geological consultancy services to Castillo Copper Limited. Mr Reed is a member of the Australian Institute of Mining and Metallurgy (CP) (member #250422) and has sufficient experience of relevance to the styles of mineralisation and types of deposits under consideration, and to the activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, and Mineral Resources. Mr Reed is a member of the Australian Institute of Geoscientists. Further, Mr Reed consents to the inclusion in this report of the matters based on information in the form and context in which it appears.
Mr Reed has not verified any of the information regarding any of the properties or projects referred to herein other than the "Litchfield" and "Picasso" Properties.
The London Stock Exchange has not reviewed and does not accept responsibility for the accuracy or adequacy of this release.
Disclaimer Regarding Forward Looking Statements
This announcement (Announcement) contains various forward-looking statements. All statements other than statements of historical fact are forward-looking statements. Forward-looking statements are inherently subject to uncertainties in that they may be affected by a variety of known and unknown risks, variables and factors which could cause actual values or results, performance, or achievements to differ materially from the expectations described in such forward-looking statements.
Castillo Copper Limited does not give any assurance that the anticipated results, performance, or achievements expressed or implied in those forward-looking statements will be achieved.
APPIX A: REGIONAL MAP (Available to view on ASX announcement)
APPIX B: JORC CODE, 2012 EDITION - 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 (eg cut channels, * Litchfield random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma The Litchfield project and sondes, or handheld XRF instruments, etc). These surrounds has a examples should not be taken as limiting the broad very limited amount of meaning of sampling. publicly available soil geochemistry survey results. * 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 (eg '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. ============================================================ ==================================== Drilling techniques * Drill type (eg core, reverse circulation, open-h * Litchfield ole hammer, rotary air blast, auger, Bangka, sonic, etc) There are no reported drill and details (eg core diameter, triple or standar holes located within d the Litchfield tenement tube, depth of diamond tails, face-sampling bit or other type, whether core is oriented and if so, by what method, etc). ============================================================ ==================================== Drill sample recovery * Method of recording and assessing core and chip * Litchfield sample recoveries and results assessed. N/A * 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. ============================================================ ==================================== Logging * Whether core and chip samples have been geologically * Litchfield and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. N/A * Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc) photography. * The total length and percentage of the relevant intersections logged. ============================================================ ==================================== Sub-sampling techniques * If core, whether cut or sawn and whether quarter, * Litchfield and sample half or all core taken. preparation N/A * 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. ============================================================ ==================================== Quality of assay * The nature, quality and appropriateness of the * Litchfield data and assaying and laboratory procedures used and whether laboratory the technique is considered partial or total. tests N/A * 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 (eg standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established. ============================================================ ==================================== Verification of sampling * The verification of significant intersections by * Litchfield and assaying either independent or alternative company personnel. N/A * 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 * Litchfield points holes (collar and down-hole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. N/A * Specification of the grid system used. * Quality and adequacy of topographic control. ============================================================ ==================================== Data spacing and distribution * Data spacing for reporting of Exploration Results. * Litchfield * Whether the data spacing and distribution is N/A 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 * Litchfield in relation sampling of possible structures and the extent to to geological which this is known, considering the deposit type. structure N/A * 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. ============================================================ ==================================== Sample security * The measures taken to ensure sample security. * Litchfield N/A ============================================================ ==================================== Audits or No formal audit or review of reviews * The results of any audits or reviews of sampling sampling techniques techniques and data. has been undertaken ============================================================ ====================================
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 * Litchfield and land including agreements or material issues with third tenure status parties such as joint ventures, partnerships, overriding royalties, native title interests, See Appendix A. historical sites, wilderness or national park and The majority of the environmental settings. Litchfield tenement is classified under Primary Land Use as 'Conservation * The security of the tenure held at the time of and Natural Environment, reporting along with any known impediments to Production and Agriculture' obtaining a licence to operate in the area. use. The majority of the tenement is classified as vacant crown land (other) owned by the North Territory Government. The tenement lays within the Darwin Rural Water Control District and northern portions of the lease are noted to be within the Darwin Harbour District sensitive area of conservation significance. There are no Native Title Determinations over the Litchfield project area ================================================================= ================================== Exploration done by * Acknowledgment and appraisal of exploration by other * Litchfield other parties parties. The large majority of historical exploration, even in recent times, has focussed on the known tin occurrences and workings dating back as far as the late 1800's. Even where there is significant new ground to explore and expand on, recent exploration has focused on previous workings. It appears very little attention has been paid to reconnaissance over other nearby areas such as the western portion of the Litchfield project. This includes limited work by Grigm Resources and Altura Lithium Operations, who have held ground over the Litchfield project (from 2008 to 2014) (Grigm Resources, 2014) (Altura Exploration, 2012). ================================================================= ================================== Geology * Deposit type, geological setting and style of * Litchfield mineralisation. Localised late-stage pegmatites have intruded into the heavily deformed Burrell Creek meta-sediment units in the immediate area. The pegmatites, which are the targets for lithium mineralisation in the Litchfield project area, are believed to ultimately originate from the Two Sisters Granite. ================================================================= ================================== Drill hole Information * A summary of all information material to the * Litchfield understanding of the exploration results including a tabulation of the following information for all Material drill holes: N/A 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 * Litchfield methods techniques, maximum and/or minimum grade truncations (eg cutting of high grades) and cut-off grades are usually Material and should be stated. N/A
* Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail. * The assumptions used for any reporting of metal equivalent values should be clearly stated. ================================================================= ================================== Relationship between * These relationships are particularly important in the * Litchfield mineralisation reporting of Exploration Results. widths and intercept N/A lengths * 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'). ================================================================= ================================== Diagrams Maps for each project are * Appropriate maps and sections (with scales) and included in the announcement 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 Not applicable. 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. ================================================================= ================================== Other Commencement of due diligence on substantive * Other exploration data, if meaningful and material, the Litchfield exploration should be reported including (but not limited to): Lithium Project 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 For the work * The nature and scale of planned further work (eg Litchfield tests for lateral extensions or depth extensions or Lithium large-scale step-out drilling). Project, return of assays * Diagrams clearly highlighting the areas of possible for 657 extensions, including the main geological surface interpretations and future drilling areas, provided samples. this information is not commercially sensitive. ================================================================= ==================================
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