High Grade Copper Samples Identified at Cinto
HIGHLIGHTS
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Solis has signed an access agreement with local Carumbraya community at the Cinto Project and initiated systematic mapping and sampling of outcropping copper mineralisation
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Surface grab samples from Cinto report assays up to 7.14% Cu with mineralisation mapped over a 200m x 100m area in historical workings associated with significant alteration and structural deformation
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Significant structures evident in 100m wide exposed area with abundant copper oxide mineralisation in historical artisanal workings
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Positioned on boundary of regional scale transcurrent Incapuquio fault system which forms structural corridor related to massive Toquepala porphyry system 10km to the north-west
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Geochemical signature and base metal concentration ratios assayed in very similar ranges to metals content in Toquepala indicating porphyry-style mineralisation1
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Drone magnetometer and follow up geological mapping is underway to guide drill permitting
West Leederville, July 9, 2024 - Solis Minerals Ltd. (ASX: SLM) ("Solis" or the "Company") is pleased to announce an update on exploration activities at the Cinto Project Peru. Solis has recently completed a first pass geochemical programme at the Cinto Project and has finalised an access agreement with the local community to fast-track drill exploration at this location.
Executive Director, Matthew Boyes, commented: "We are very pleased to have commenced exploration activities at Cinto, its location and initial geochemical rock chip results are extremely compelling. I am most excited about the geochemical signature we are seeing which demonstrates that copper mineralisation is present with associated metals in very similar corresponding concentrations to the mineralisation present at the massive Toquepala deposit, potentially indicating that the mineralisation at surface is located in close proximity to a large porphyry system.
"I am looking forward to commencing geophysical programmes in conjunction with a detailed mapping programme and applying for permits for the first pass drill programme. Our Peruvian assets have been significantly underexplored for too long. We now have a pipeline of very high-quality drill targets at Ilo Este and Chancho al Palo which are both being permitted for drilling. Cinto is now shaping up to be an equally significant high quality exploration target".
1 FIGMMG-UNMSM Vol 20 Enere-Junio 2017, Diego Cossio Sanchez, Hugo Rivera Mantilla "Caracterizacion Geoquimica delElemento Zinc en la Mina Toquelpala y sus implicaciones en el traamiento metalurgico."
Figure 1: Cinto Project surface grab sample 17142 with visible copper oxides and silicification returned 7.14% Cu (see Appendix 1 for details) 2
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Figure 2: Grab sample 17181 (1.00% Cu) with copper oxides from outcropping historical workings at Cinto Project (see Appendix 1 for details)2
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2 Grab samples give point indications of mineral content only and as such should not be considered representative of continuity of mineralisation or potential tonnage (mass) of mineralised bodies.
Cinto Geology and mineralisation
The Cinto Project is traversed by the transcurrent Incapuqio fault system which is a major regional structure trending N125E (NW-SE) that is at least 400km long and up to 10km wide in places. Late Cretaceous-Early Palaeogene intrusions related to the formation of major porphyries (Cuajone, Quellaveco, Toquepala) were probably favoured by the transcurrent nature of the Incapuquio fault and the zone and its margins form a focus of mining and exploration in southern Peru. The Cinto Project is situated in Toquepala Group volcanic and volcanosedimentary rocks which are coeval (same period) as the intrusives in the area and host the Toquepala porphyry (see Figure 3). The fault is the limit of the Oligocene Moquegua Formation basin to the south-west and conglomerates occur in the southern margin of the project.
Figure 3: Map of Solis' exploration tenements over regional geology of Cinto Project with the major Incapuquio fault and location of Toquepala mine located 10km to the north west.
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Local geology of the project is dominated by the Incapuquio fault system in the north-west that juxtaposes Cretaceous batholith rocks to the north against coeval volcanosedimentary shales, lavas and tuffs to the south. Splays and parallel structures cross the permits in the south. A zone of hydrothermal alteration crosses the centre of the permits. In late 2022, Solis carried out Worldview-3 satellite imaging and identified several distinct zones of alteration3. The south of the permits are covered by the edge of the Oligocene basin with shallow to moderate thicknesses of conglomerates. The altered rocks extend beneath this cover and are considered valid exploration targets (see Figure 4).
Figure 4: Cinto Project local surface geology map showing mapped hydrothermal alteration and rock types in proximity of sampling area. Other alteration is derived from Worldview-3 survey.
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Initial mapping programs have identified a zone within and bordering the Incapuquio Fault system that shows the presence of abundant copper oxides with artisanal workings (see grab samples in Figures 1 & 2 and Figures 4, 5 & 6 for copper occurrence location).
The zone, approximately 200 x 100m in extent, consists of shales and tuffs with argillic and propylitic alteration showing considerable multi-directional faulting and brecciation with Cu oxides occurring in distinct patches (see Figure 5 for sample results map). Several assays returned copper values greater than 1% and one high grade sample returned 7.14% Cu in a highly mineralised oxide zone. Some mineralised structures are at high angles to a bounding splay of the Incapuquio fault to the north. The nature of the occurrence (mineralisation breccias, abundant copper oxide mineralisation in places) suggests a proximal source. Geochemical results (associated Ag, Au, Mo and zinc) reflect a chemistry similar to the neighbouring Toquepala deposit1. The copper occurrence is being considered as a marker for a potential porphyry style mineralisation in the area.
3 Refer ASX release 31st January 2023.
Figure 5: Grab sample IDs and locations at Cinto Project, shown with large scale regional geology. Detailed geological mapping will now be completed over the entire licence area.
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Figure 6: Cinto Project licence areas both under application and granted shown with location of Toquepala mine, owned by Southern Copper Corp..
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The mapping crews are now mobilising to site to systematically cover the entire tenement package and identify areas of highest prospectivity. No geophysical data is available for the project and first-pass drone magnetometry will be carried out to target magnetite occurrences potentially related to porphyry alteration. The thin conglomerate cover in the south of the granted permits will be covered by drone magnetometry as field observations indicate the alteration continues southwards in this area. Follow-up Induced Polarisation (IP) geophysical studies will be carried out over areas of interest to evaluate primary drill targets.
Drill permitting at Ilo Este and Ilo Norte
Both Ilo Este and Ilo Norte (Figure 7) have been recently covered by magnetic and IP surveys that have identified drill targets and drill permitting to test these targets is underway4.
4 Refer ASX release 30thJanuary 2024.
Figure 7: Solis tenements in the prospective coastal belt with existing deposits and regional geology
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Next Steps
Solis is prioritising the advancement of the drill pemitting process in Peru over its Ilo Este, Chancho Al Palo (Ilo Norte) and Cinto Project areas, while continuing to review and advance targeted lithium and copper opportunities in South America.
ENDS
This announcement is authorised by Matthew Boyes, Executive Director of Solis Minerals Ltd.
Australia
Matt Boyes
Executive Director
Solis Minerals Limited
+61 8 6117 4795
Stephanie Richardson & Cameron Gilenko
Investor Relations
Morrow Sodali
+61 (8) 6160 4900
Neither the TSX Venture Exchange nor its Regulation Service Provider (as the term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy of accuracy of this news release.
About Solis Minerals Ltd.
Solis Minerals is an emerging lithium explorer focusing on Latin American critical minerals.
The Company owns a 100% interest or option to acquire 100% interest in the Borborema Lithium Project in NE Brazil, covering 26,100ha.
Brazil is rapidly growing in global importance as an exporter of lithium to supply increasing demand of battery manufacturers. Both projects cover highly prospective, hard-rock lithium ground on which early-stage reconnaissance mapping and sampling have verified. Drilling programmes are either underway or due to commence shortly.
In addition, Solis also holds a 100% interest in 41,400ha of combined licences and applications of highly prospective IOCG (iron oxide copper/gold) and porphyry copper projects in southwestern Peru within the country's prolific coastal copper belt - a source of nearly half of Peru's copper production.
Forward-Looking Statements
This news release contains certain forward-looking statements that relate to future events or performance and reflect management's current expectations and assumptions. Such forward-looking statements reflect management's current beliefs and are based on assumptions made and information currently available to the Company. Readers are cautioned that these forward-looking statements are neither promises nor guarantees and are subject to risks and uncertainties that may cause future results to differ materially from those expected, including, but not limited to, market conditions, availability of financing, actual results of the Company's exploration and other activities, environmental risks, future metal prices, operating risks, accidents, labour issues, delays in obtaining governmental approvals and permits, and other risks in the mining industry. All the forward-looking statements made in this news release are qualified by these cautionary statements and those in our continuous disclosure filings available on SEDAR at www.sedar.com. These forward-looking statements are made as of the date hereof, and the Company does not assume any obligation to update or revise them to reflect new events or circumstances save as required by applicable law.
Qualified Person Statement
The technical information in this news release was reviewed by Matthew Boyes, a Fellow of the Australian institute of Mining and Metallurgy (AusIMM), a qualified person as defined by National Instrument 43-101 (NI 43-101).
Competent Person Statement
The information in this ASX release concerning Geological Information and Exploration Results is based on and fairly represents information compiled by Mr Matthew Boyes, a Competent Person who is a Fellow of the Australasian Institute of Mining and Metallurgy. Mr Boyes is an employee of Solis Minerals Ltd. and has sufficient experience which is relevant to the style of mineralisation and types of deposit under consideration and to the exploration activities undertaken to qualify as a Competent Person as defined in the 2012 Edition of the "Australian Code for Reporting of Mineral Resources and Ore Reserves". Mr Boyes consents to the inclusion in this report of the matters based on information in the form and context in which it appears. Mr Boyes has provided his prior written consent regarding the form and context in which the Geological Information and Exploration Results and supporting information are presented in this Announcement.
APPENDIX 1
Surface Grab Samples at Cinto Project
Grab samples give point indications of mineral content only and as such should not be considered representative of continuity of mineralisation or potential tonnage (mass) of mineralised bodies.
SAMPLE | Easting | Northing | Cu % | Au_ppm | Ag_ppm | Mo_ppm | Zn_ppm |
17142 | 335107 | 8079501 | 7.14 | 0.12 | 8.40 | 1 | 322 |
17148 | 335141 | 8079516 | 3.52 | 0.01 | 7.70 | 1 | 379 |
17136 | 335098 | 8079487 | 3.23 | 0.08 | 6.70 | 1 | 146 |
17160 | 335548 | 8080711 | 2.34 | 0.30 | 46.20 | 34 | 686 |
17164 | 335242 | 8080500 | 1.77 | 0.19 | 65.70 | 11 | 277 |
17178 | 335173 | 8079539 | 1.00 | 0.05 | 7.60 | 1 | 515 |
17179 | 335145 | 8079554 | 1.00 | 0.02 | 6.40 | 1 | 279 |
17181 | 335128 | 8079541 | 1.00 | 0.03 | 4.90 | 1 | 41 |
17144 | 335109 | 8079492 | 0.99 | 0.01 | 3.80 | 1 | 305 |
17147 | 335122 | 8079506 | 0.91 | 0.02 | 4.40 | 1 | 264 |
17145 | 335095 | 8079506 | 0.85 | 0.01 | 3.00 | 1 | 120 |
17180 | 335110 | 8079533 | 0.81 | 0.01 | 0.50 | 1 | 718 |
17143 | 335105 | 8079506 | 0.51 | 0.01 | 8.10 | 1 | 218 |
17120 | 335027 | 8080868 | 0.41 | 0.01 | 0.80 | 2 | 51 |
17151 | 335091 | 8079487 | 0.15 | 0.01 | 3.90 | 1 | 186 |
17146 | 335095 | 8079506 | 0.13 | 0.01 | 3.60 | 1 | 231 |
17119 | 336590 | 8078888 | 0.02 | 0.01 | 0.50 | 1 | 102 |
17182 | 334805 | 8079173 | 0.01 | 0.01 | 0.50 | 1 | 39 |
17166 | 334797 | 8079389 | 0.01 | 0.01 | 0.50 | 1 | 59 |
17155 | 334591 | 8079724 | 0.01 | 0.01 | 0.50 | 1 | 19 |
17141 | 335090 | 8079495 | 0.01 | 0.01 | 0.50 | 1 | 262 |
17171 | 334875 | 8079889 | 0.01 | 0.01 | 0.50 | 1 | 82 |
17133 | 334506 | 8079718 | 0.01 | 0.01 | 0.50 | 1 | 45 |
17167 | 334661 | 8079742 | 0.00 | 0.01 | 0.50 | 22 | 78 |
17172 | 334837 | 8079859 | 0.00 | 0.01 | 0.50 | 1 | 84 |
17177 | 335220 | 8079624 | 0.00 | 0.01 | 0.50 | 3 | 71 |
17157 | 334648 | 8079759 | 0.00 | 0.01 | 0.50 | 8 | 185 |
17134 | 334629 | 8079544 | 0.00 | 0.01 | 0.50 | 1 | 44 |
17163 | 334998 | 8079549 | 0.00 | 0.01 | 0.50 | 1 | 163 |
17173 | 335008 | 8079701 | 0.00 | 0.01 | 0.90 | 6 | 15 |
17158 | 334833 | 8079634 | 0.00 | 0.01 | 0.50 | 1 | 35 |
17121 | 331999 | 8078016 | 0.00 | 0.01 | 0.50 | 1 | 24 |
17175 | 335443 | 8079648 | 0.00 | 0.01 | 0.50 | 1 | 206 |
17138 | 335342 | 8079528 | 0.00 | 0.01 | 0.50 | 2 | 53 |
17168 | 334637 | 8079809 | 0.00 | 0.01 | 0.50 | 6 | 58 |
17156 | 334652 | 8079756 | 0.00 | 0.01 | 0.50 | 1 | 9 |
17135 | 334936 | 8079540 | 0.00 | 0.01 | 0.50 | 2 | 44 |
17170 | 334684 | 8079899 | 0.00 | 0.01 | 0.50 | 1 | 23 |
17137 | 335342 | 8079530 | 0.00 | 0.01 | 0.50 | 1 | 94 |
17122 | 331991 | 8078023 | 0.00 | 0.01 | 0.50 | 1 | 39 |
17140 | 335346 | 8079326 | 0.00 | 0.01 | 0.50 | 3 | 16 |
17174 | 335417 | 8079579 | 0.00 | 0.01 | 1.00 | 1 | 43 |
17139 | 334793 | 8078889 | 0.00 | 0.01 | 0.50 | 1 | 15 |
17176 | 335420 | 8079657 | 0.00 | 0.01 | 0.50 | 1 | 32 |
17169 | 334642 | 8079819 | 0.00 | 0.01 | 0.50 | 13 | 7 |
Table: Table of geochemical assays from first past reconnaissance sampling in and around historical workings at the Cinto Project. Coordinate system WGS 19S.
APPENDIX 2
Mining Concessions table
Westminster Peru SAC‐ Concessions and Applications in Peru as of 2nd May 2024
36 granted | ||||
Date | Concession | Owner | Status | Area (Ha) |
22/08/2008 | LATIN ILO ESTE III | WESTMINSTER PERU S.A.C. | Granted | 600 |
22/08/2008 | LATIN ILO ESTE I | WESTMINSTER PERU S.A.C. | Granted | 800 |
22/08/2008 | LATIN ILO ESTE II | WESTMINSTER PERU S.A.C. | Granted | 900 |
11/03/2009 | LATIN ILO NORTE 4 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
11/03/2009 | LATIN ILO NORTE 3 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
13/10/2009 | LATIN ILO NORTE 7 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
13/10/2009 | LATIN ILO NORTE 8 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
13/10/2009 | LATIN ILO NORTE 6 | WESTMINSTER PERU S.A.C. | Granted | 700 |
1/03/2011 | MADDISON 1 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
1/03/2011 | BRIDGETTE 1 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
1/03/2011 | ESSENDON 26 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
5/03/2014 | LATIN ILO ESTE IX | WESTMINSTER PERU S.A.C. | Granted | 900 |
28/01/2021 | CARUCA | WESTMINSTER PERU S.A.C. | Granted | 600 |
4/01/2022 | SOLIS06 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
4/01/2022 | SOLIS04 | WESTMINSTER PERU S.A.C. | Granted | 400 |
4/01/2022 | SOLIS03 | WESTMINSTER PERU S.A.C. | Granted | 500 |
4/01/2022 | SOLIS05 | WESTMINSTER PERU S.A.C. | Granted | 500 |
4/01/2022 | SOLIS02A | WESTMINSTER PERU S.A.C. | Granted | 100 |
4/01/2022 | SOLIS02 | WESTMINSTER PERU S.A.C. | Granted | 200 |
16/11/2022 | SOLIS SUR 2 | WESTMINSTER PERU S.A.C. | Granted | 900 |
16/11/2022 | SOLIS NORTE 1 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
16/11/2022 | SOLIS NORTE 4 | WESTMINSTER PERU S.A.C. | Granted | 900 |
16/11/2022 | SOLIS NORTE 6 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
16/11/2022 | SOLIS NORTE 2 | WESTMINSTER PERU S.A.C. | Granted | 500 |
16/11/2022 | SOLIS NORTE 3 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
16/11/2022 | SOLIS NORTE 5 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
16/11/2022 | SOLIS NORTE 7 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
16/11/2022 | SOLIS SUR 3 | WESTMINSTER PERU S.A.C. | Granted | 900 |
21/02/2023 | SOLIS NORTE 10 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
21/02/2023 | SOLIS NORTE 11 | WESTMINSTER PERU S.A.C. | Granted | 400 |
21/02/2023 | SOLIS NORTE 8 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
21/02/2023 | SOLIS NORTE 12 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
21/02/2023 | SOLIS KELLY 01 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
21/02/2023 | SOLIS KELLY 02 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
22/06/2023 | SOLIS NORTE 15 | WESTMINSTER PERU S.A.C. | Granted | 800 |
22/06/2023 | SOLIS NORTE 13 | WESTMINSTER PERU S.A.C. | Granted | 1000 |
29600 | ||||
7 applications | ||||
4/01/2022 | SOLIS07 | WESTMINSTER PERU S.A.C. | Application | 300 |
4/01/2022 | SOLIS07A | WESTMINSTER PERU S.A.C. | Application | 200 |
21/02/2023 | SOLIS NORTE 9 | WESTMINSTER PERU S.A.C. | Application | 1000 |
22/06/2023 | SOLIS NORTE 14 | WESTMINSTER PERU S.A.C. | Application | 900 |
22/06/2023 | SOLIS NORTE 16 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/10/2023 | SOLIS ILO ESTE I | WESTMINSTER PERU S.A.C. | Application | 400 |
14/12/2023 | SOLIS ILO ESTE II | WESTMINSTER PERU S.A.C. | Application | 1000 |
4800 | ||||
7 new applications May 2nd 2024 | ||||
2/05/2024 | SOLIS NORTE 18 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 19 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 20 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 21 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 22 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 17 | WESTMINSTER PERU S.A.C. | Application | 1000 |
2/05/2024 | SOLIS NORTE 23 | WESTMINSTER PERU S.A.C. | Application | 1000 |
7000 | ||||
Hectares | ||||
Total titles | 54 | 41400 | ||
Granted | 37 | 29600 | ||
In Application | 17 | 11800 |
APPENDIX 3
JORC Code, 2012 Edition - Table 1
Criteria | JORC Code explanation | Commentary |
Sampling techniques |
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 a30 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 (e.g. submarine nodules) may warrant disclosure of detailed information. |
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Drilling techniques |
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Drill sample recovery |
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Logging |
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Sub-sampling techniques and sample preparation |
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Quality of assay data and laboratory tests |
| Rock chips were assayed by ALS in Lima. Methods used were
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Verification of Sampling and assaying |
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Location of data points |
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Data spacing and distribution |
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Orientation of data in relation to geological structure |
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Sample security |
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Audits or reviews |
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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 |
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Exploration done by other parties |
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Geology |
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Drill hole Information |
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Criteria | JORC Code explanation | Commentary |
Data aggregation methods |
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Relationship between mineralisation widths and intercept lengths |
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Diagrams |
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Balanced reporting |
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Other substantive exploration data |
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Further work |
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