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Solis Minerals Ltd SLMFF


Primary Symbol: V.SLMN

Solis Minerals Limited is a Canada-based 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 northeast (NE) Brazil, covering approximately 26,100 hectares (ha). The Borborema Lithium Project targets exploration of Lithium-Caesium-Tantalum (LCT) bearing pegmatites. It also holds a 100% interest in approximately 35,700 ha of combined licenses and applications of highly prospective iron oxide copper/gold (IOCG) 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. Its projects located in Peru include Il Este and Ilo Norte Copper Project, and Cinto Copper Project. The Ilo Norte Project in southern Peru is an IOCG and porphyry copper exploration target. The Company entered into an option agreement to acquire 100% interest of the Mina Vermelha project in the Borborema province.


TSXV:SLMN - Post by User

Post by alphaflighton Dec 24, 2021 11:49am
252 Views
Post# 34260971

Solis Minerals Updates on Mostazal Drilling and ASX Listing

Solis Minerals Updates on Mostazal Drilling and ASX Listing
 

Solis Minerals Lists on ASX and Updates on Mostazal Drilling in Chile
 
Vancouver, BC – December 24th 2021 – Solis Minerals Limited (ASX: SLM, TSXV: SLMN, FSE: 08W) ("Solis Minerals" or "the Company") is pleased to announce its successful listing on the Australian Securities Exchange (ASX) following its very well-supported IPO.

The Company raised a total of A$5.5 million through the issue of 27,500,000 Chess Depository Interests ("CDIs") at A$0.20, with one attaching option for every two shares subscribed in the IPO with an exercise price of AUD$0.30 for a period of two-years from the date of issue.

Upon closing, the Company has in excess of A$7.0 million cash at bank, and is very well placed to commence its highly anticipated maiden drilling program at the Mostazal Copper Project in Chile, one of the largest copper production nations in the world.

CEO Jason Cubitt commented: "We were pleased to see the support of past shareholders and we welcome many new shareholders to the company in the IPO. I'd like to thank the administrative and legal teams in both Canada and Australia for supporting this achievement and, in particular, thanks go to our lead manager in Australia, Euroz Hartleys, for managing distribution of the IPO. We now look forward to a busy field season commencing January 2022 and the potential for a significant new copper discovery."

Net proceeds from the IPO will be primarily allocated to funding the upcoming drill program at the Company's 100%-optioned Mostazal Copper Project in Chile's Atacama Desert where previous exploration has outlined significant near surface copper mineralisation.

Mostazal Copper Project Summary
The Mostazal property is located 80 kilometres (km) northeast of Copiapo, Chile (Figure 1) and within the Domeyko fault — a major structural control for some of the world's largest and most productive copper mines*, including Chuquicamata and Escondida, and 40 km south of Codelco's El Salvador mine (Appendix 1).

The first program of drilling will total approximately 2,900 metres diamond drilling in two phases, is expected to commence in mid-January continuing through until mid-March, and will initially target both porphyry and manto-style copper mineralisation.

As well as testing the copper at near surface, the Company intends to undertake the first-ever drill testing of an interpreted porphyry feeder system underlying a 4 km by 2.5 km, north-south-trending, belt of outcropping copper mineralisation, small-scale mine workings, and geochemical and geophysical anomalies. Four main target areas have been identified (Figure 2) on the basis of historical drilling, geochemical and geophysical surveys, and structural interpretation and modelling.


Figure 1: Mostazal Copper Project - historical drill testing of manto copper mineralisation by a previous operator.

Figure 2: Mostazal Copper Project - initial diamond drilling target locations over copper soil geochemistry.

The Mostazal West target (Target Area 1) is located immediately west of stacked copper-bearing manto lenses and is characterised by the presence of a magnetic low and chargeability high geophysical anomalies. The Company is targetting a potential source of copper mineralisation beginning at a depth of 300 metres – about 100 metres deeper than prior drilling and immediately adjacent to the area of recent exploitation.

The Central target (Target Area 2) is located immediately beneath known manto copper lenses where historical, relatively shallow drilling (Figure 1) to a depth of approximately 150 metres, has encountered wide zones of high-grade copper mineralisation (Table 1). The Company is targetting to penetrate though stacked copper-bearing manto lenses to test for an interpreted buried porphyry/ feeder structure beginning at a depth of approximately 300 metres.

Table 1: Selected significant intersections from historic drilling at the Mostazal Copper Project1.
  • DDH-MZ-08: 16m @ 1.48% Cu from 56m
  • DDH-MZ-10: 13m @ 1.23% Cu from 91m
  • DDH-MZ-13: 8m @ 1.83% Cu from 55m
  • DDH-MZ-27: 10m @ 1.59% Cu from 40m
  • DDH-MZ-30: 16m @ 1.27% Cu from 74m
  • DDH-MZ-32: 11m @ 2.52% Cu from 84m
Appointment of Directors
Effective from the date of the Company's admission to the official list ASX, and as noted in the Prospectus, the Company is pleased to welcome Mr. Michael Parker and Ms. Chaifika Eddine to the Board as Non-Executive Directors. Mr. Fred Tejada has stepped down from the Board. The Company thanks Mr. Tejada for his significant contributions and welcomes his continued role as a technical advisor.

About Solis Minerals Ltd.
Solis Minerals is a Latin American-focused mining exploration company. The Company is earning into a 100-per-cent interest in the Mostazal Copper Project in Chile's Atacama Desert, one of the world's premier copper production jurisdictions. The Company also holds a 100-per-cent interest in a package 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.

Issued on the directive of the board of Solis.

1 Refer to Solis Minerals' TSXV announcement dated 26 October 2021, and Appendix 2 and Appendix 3 for details and associated JORC tables.

For further information please contact:


 
Jason Cubitt
President and CEO


Solis Minerals Limited
+01 (604) 209 1658
Stephen Moloney
Investor Relations


Corporate Storytime
+61 (0) 408 228 889

Derrick Strickland, P. Geo. (1000315), is a qualified person and has reviewed and approved the technical content of this news release. *The qualified person has been unable to verify the information on the adjacent properties. Mineralisation hosted on adjacent and/or nearby and/or geologically similar properties is not necessarily indicative of mineralisation hosted on the Company property.
 
APPENDIX 1

 
Figure 3: Mostazal Copper Project location
 

APPENDIX 2
HOLE
ID
Hole
Type
Grid
ID
Easting
(m)
Northing
(m)
Elevation
(m)
DIP
(deg)
Azimuth
(deg)
Depth
(m)
DDH-MZ-1 Diamond PSAD56_19S 440790.40 7049919.37 2819.48 -60 242 120.25
DDH-MZ-2 Diamond PSAD56_19S 440791.39 7049919.91 2819.58 -90 242 120.00
DDH-MZ-3 Diamond PSAD56_19S 440854.43 7049839.98 2795.00 -45 242 98.12
DDH-MZ-4 Diamond PSAD56_19S 440852.90 7049839.20 2794.96 -80 242 111.60
DDH-MZ-5 Diamond PSAD56_19S 440852.39 7049774.71 2789.90 -65 242 95.00
DDH-MZ-6 Diamond PSAD56_19S 440851.67 7049774.31 2789.89 -90 242 141.42
DDH-MZ-7 Diamond PSAD56_19S 441043.87 7049548.01 2819.38 -45 242 166.60
DDH-MZ-8 Diamond PSAD56_19S 441042.00 7049547.38 2819.32 -64 242 182.60
DDH-MZ-9 Diamond PSAD56_19S 441043.48 7049546.16 2819.35 -45 208 129.20
DDH-MZ-10 Diamond PSAD56_19S 440931.35 7049651.52 2810.53 -45 242 144.24
DDA-MZ-11 Diamond PSAD56_19S 440930.74 7049651.10 2810.51 -65 242 127.60
DDH-MZ-12 Diamond PSAD56_19S 440929.89 7049650.65 2810.75 -36 242 159.62
DDH-MZ-13 Diamond PSAD56_19S 440929.38 7049650.33 2810.74 -90 242 132.45
DDH-MZ-14 Diamond PSAD56_19S 440782.02 7049722.79 2764.68 -36 62 135.18
DDH-MZ-15 Diamond PSAD56_19S 440781.04 7049722.22 2764.61 -58 62 139.42
DDH-MZ-16 Diamond PSAD56_19S 440780.48 7049721.91 2764.47 -80 62 140.00
DDH-MZ-17 Diamond PSAD56_19S 440868.09 7049537.34 2747.68 -45 62 144.10
DDH-MZ-18 Diamond PSAD56_19S 440866.99 7049536.76 2747.68 -75 62 110.38
DDH-MZ-19 Diamond PSAD56_19S 440695.36 7049875.38 2787.02 -45 62 171.00
DDH-MZ-20 Diamond PSAD56_19S 440501.00 7050272.23 2820.25 -45 242 90.70
DDH-MZ-21 Diamond PSAD56_19S 440503.00 7050272.00 2819.16 -80 242 83.70
DDH-MZ-22 Diamond PSAD56_19S 440675.75 7050028.70 2816.99 -35 242 102.76
DDH-MZ-23 Diamond PSAD56_19S 440779.97 7049668.71 2768.01 -35 62 141.78
DDH-MZ-24 Diamond PSAD56_19S 441034.27 7049588.84 2813.96 -35 242 170.15
DDH-MZ-25 Diamond PSAD56_19S 441532.82 7051088.34 3011.72 -35 160 130.33
DDH-MZ-26 Diamond PSAD56_19S 441533.40 7051086.96 3011.71 -50 160 131.00
DDH-MZ-27 Diamond PSAD56_19S 441995.00 7051291.00 3045.32 -55 270 110.00
DDH-MZ-28 Diamond PSAD56_19S 441997.00 7051291.00 3045.32 -90 270 115.00
DDH-MZ-29 Diamond PSAD56_19S 441997.00 7051291.00 3045.32 -40 106 82.93
DDH-MZ-30 Diamond PSAD56_19S 441034.27 7049588.84 2813.96 -55 242 230.09
DDH-MZ-31 Diamond PSAD56_19S 440753.00 7049543.00 2721.00 -45 60 259.12
DDH-MZ-32 Diamond PSAD56_19S 440965.00 7049671.00 2814.00 -45 62 141.00
DDH-MZ-33 Diamond PSAD56_19S 441105.00 7049717.32 2836.50 -45 62 150.79
DDH-MZ-34 Diamond PSAD56_19S 441202.00 7049799.00 2878.00 -45 90 301.48
DDH-MZ-35 Diamond PSAD56_19S 441097.00 7049630.00 2838.00 -45 90 299.50
DDH-MZ-36 Diamond PSAD56_19S 441495.00 7049901.00 2956.00 -50 90 247.30
DDH-MZ-37 Diamond PSAD56_19S 441504.00 7049599.00 2904.00 -45 90 300.75
DDH-MZ-38 Diamond PSAD56_19S 441347.00 7049799.00 2898.00 -45 90 240.60
DDH-MZ-39 Diamond PSAD56_19S 441132.00 7049369.00 2814.00 -45 90 241.45
DDH-MZ-40 Diamond PSAD56_19S 440923.00 7049763.00 2819.00 -45 90 318.00
DDH-MZ-41 Diamond PSAD56_19S 441403.00 7049397.00 2858.00 -50 90 225.20
DDH-MZ-42 Diamond PSAD56_19S 441401.00 7049701.00 2879.00 -45 90 249.60
DDH-MZ-43 Diamond PSAD56_19S 440979.00 7049851.00 2848.00 -45 90 249.74
DDH-MZ-44 Diamond PSAD56_19S 441850.00 7049495.00 2921.00 -45 90 250.64
DDH-MZ-45 Diamond PSAD56_19S 440902.00 7049979.00 2850.00 -90 0 250.68
DDH-MZ-46 Diamond PSAD56_19S 440957.00 7049475.00 2768.00 -70 90 200.94
DDH-MZ-47 Diamond PSAD56_19S 440616.00 7049705.00 2755.00 -80 90 202.06
DDH-MZ-48 Diamond PSAD56_19S 441650.00 7050200.00 3058.00 -70 90 250.70
DDH-MZ-49 Diamond PSAD56_19S 441850.00 7049700.00 2980.00 -45 90 250.72
DDH-MZ-50 Diamond PSAD56_19S 440704.00 7049705.00 2751.00 -80 90 252.21
DDH-MZ-51 Diamond PSAD56_19S 440414.00 7049940.00 2761.00 -55 90 250.04
DDH-MZ-52 Diamond PSAD56_19S 440581.00 7049489.00 2615.00 -55 90 252.00
DDH-MZ-53 Diamond PSAD56_19S 440974.00 7049917.00 2845.00 -60 90 249.56
DDH-MZ-54 Diamond PSAD56_19S 441045.00 7049548.00 2819.00 -50 90 250.27
DDH-MZ-55 Diamond PSAD56_19S 440500.00 7049798.00 2759.00 -70 90 249.00
DDH-MZ-56 Diamond PSAD56_19S 440599.00 7049597.00 2708.00 -45 90 219.00
DDH-MZ-57 Diamond PSAD56_19S 440655.00 7049795.00 2775.00 -70 90 246.18
DDH-MZ-58 Diamond PSAD56_19S 440397.00 7049697.00 2732.00 -55 90 299.00
DDH-MZ-59 Diamond PSAD56_19S 440603.00 7049903.00 2796.00 -60 90 269.00
DDH-MZ-60 Diamond PSAD56_19S 440796.00 7049922.00 2818.00 -50 90 256.92
Table 2: Mostazal Copper Project historical diamond drilling collar details.
 
APPENDIX 3

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 (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 (e.g. submarine nodules) may warrant disclosure of detailed information.
  • Sampling across the project has included rock chip sampling of open pit exposure, trenches, rock outcrops, soil sampling and diamond drilling.
  • Soil, trenching and outcrop sampling was undertaken by Sociedad Legal Minera Mostazal between 2005 and 2008, Galileo Minerals Ltd in 2008, and IMT Exploraciones between 2011 and 2013.
  • Diamond drilling was undertaken by IMT Exploraciones between 2012 and 2013.
  • Soil sampling and rock chip sampling was used to identify zones of potential mineralisation.
  • These is no detailed record of how outcrop sampling was completed or the size of the samples.
  • Trenches were sampled on 1m intervals; however the size of the sample is not recorded.
  • Diamond drill holes were samples on either 1 m, 3 m or 4 m, intervals as half core samples.
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).
  • All drilling completed to date at the Mostazal Copper Project has been diamond drilling.
  • 60 diamond drill holes were completed for a total of 11,381m.
  • Diamond drilling was undertaken using a Boart Longyear LF-900 drilling rig.
  • Drill holes were completed as HQ size (63.5mm core diameter).
  • There is no record of the drill tube type used, i.e. triple tube of standard tube.
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.
  • Diamond core recovery was recorded for each sample interval by measuring the recovered core against the drill depth.
  • Diamond core recovery varies between 0.25% and 100%, but is typically averaging 95%.
  • There is no apparent relationship between core recovery and grades.
  • There is no apparent sample bias due to preferential loss/ gain of fine/ coarse material.
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.
  • Rock chip and soil sampling was usually completed as part of a geological mapping campaign.
  • Diamond drill holes were geologically logged at varying intervals based on lithology. Logging included, lithology, colour, mineralogy, texture, alteration, structure, mineralisation and RQD. All diamond drill core has been logged.
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.
  • Diamond core was cut using a core saw and sampled as either half core or quarter core.
  • Soil and rock chip samples collected by Galileo Minerals Ltd were sent to Vigalab laboratory in Copiapo, whereas samples collected by IMP Exploraciones were sent to Andes Analytical Assay Ltda in Santiago for sample preparation and analysis. There are no records for rock chip samples and soil samples collected by Sociedad Legal Minera Mostazal.
  • There is no detailed description of the sample preparation methods for the soil and rock chip samples.
  • Diamond drill core was sent to Andes Analytical Assay Ltda in Santiago for sample preparation and analysis.
  • There is no detailed description of sample preparation methods used for diamond drill core.
  • Quality control samples were inserted into each of the soil, rock chip and diamond drilling sample batches and included field duplicates, blanks and certified reference material samples. There is no record of any internal laboratory quality control sampling.
  • Sample sizes are appropriate for the material being sampled.
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.
  • Diamond core recovery was recorded for each sample interval by measuring the recovered core against the drill depth.
  • Diamond core recovery varies between 0.25% and 100%, but is typically averaging 95%.
  • There is no apparent relationship between core recovery and grades.
  • There is no apparent sample bias due to preferential loss/ gain of fine/ coarse material.
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.
  • Rock chip and soil sampling was usually completed as part of a geological mapping campaign.
  • Diamond drill holes were geologically logged at varying intervals based on lithology. Logging included, lithology, colour, mineralogy, texture, alteration, structure, mineralisation and RQD. All diamond drill core has been logged.
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.
  • Diamond core was cut using a core saw and sampled as either half core or quarter core.
  • Soil and rock chip samples collected by Galileo Minerals Ltd were sent to Vigalab laboratory in Copiapo, whereas samples collected by IMP Exploraciones were sent to Andes Analytical Assay Ltda in Santiago for sample preparation and analysis. There are no records for rock chip samples and soil samples collected by Sociedad Legal Minera Mostazal.
  • There is no detailed description of the sample preparation methods for the soil and rock chip samples.
  • Diamond drill core was sent to Andes Analytical Assay Ltda in Santiago for sample preparation and analysis.
  • There is no detailed description of sample preparation methods used for diamond drill core.
  • Quality control samples were inserted into each of the soil, rock chip and diamond drilling sample batches and included field duplicates, blanks and certified reference material samples. There is no record of any internal laboratory quality control sampling.
  • Sample sizes are appropriate for the material being sampled.
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 (i.e. lack of bias) and precision have been established.
  • There are no assay records for rock chip and soil samples for samples collected by Sociedad Legal Minera Mostazal.
  • Rock chip and soil samples collected by Galileo Minerals Ltd were assayed for copper, soluble copper, solvent copper extraction from pregnant solution, gold silver, lead, zinc, molybdenum arsenic and iron. The analytical method is not recoded.
  • Rock and soil samples collected by IMT Exploraciones were assayed for 39-elements using Inductively coupled mass spectrometry (ICP-MS).
  • Diamond core samples were assayed for a 39-element suit using Inductively coupled mass spectrometry (ICP-MS).
  • Quality control samples were inserted into each of the soil, rock and diamond drilling sample batches and included field duplicates, blanks and certified reference materials. There is no record of any internal laboratory quality control sampling.
  • ICP-MS is considered to be a total assay method.
  • 6,830 diamond core samples ranging in length from 0.04m to 20m were submitted for SG analysis using Archimedes method.
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.
  • Reported significant intersections have been calculated as length weighted averages by Soils Minerals.
  • There have been no twin drill holes completed.
  • There have been no adjustments made to the assay data.
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.
  • Drill holes have been located using a handheld GPS (model unknown).
  • Down hole surveys were conducted for each diamond drill hole on 50m intervals. There is no description of the survey tool used.
  • All data has been collected in UTM zone 19S coordinates.
  • The topography was surveyed on 1-5m contours intervals in 2012 over the entire project area by contract surveyors (method unknown).
  • Artisanal open cut and underground mining occurred throughout the project area between 1950s and 2006. Sociedad Legal Minera Ltda then conducted a small scale open cut surface and room and pillar underground mining between 2006 and 2008. The surface mining has been surveyed during the topographic survey in 2012, however the underground workings have not been surveyed.
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.
  • Geological sampling (rock and soil) has been completed on a nominal 200m x 200m grid over the entire project area.
  • Diamond drilling was completed over the central parts of the project area on a nominal 150m x 100m grid.
  • The sampling data is sufficient to establish the general extents and orientation of the near surface manto copper-silver style mineralisation, however the mineralisation remains open along strike and at depth.
  • Sample compositing has not been applied.
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 diamond drilling was completed in three phases. The initial phase of drill holes were angled to the southwest and were fanned off drilling platforms spaced approximately 100m apart on a northwest-southeast line. The subsequent drilling programs were drilled steeply towards the east or northeast to intersect the manto structures at a perpendicular angle.
Sample
security
  • The measures taken to ensure sample security.
  • There is no detailed record of sample chain of custody between the project site and the assay laboratories
  • Remnant drill core is securely stored at Sociedad Legal Minera Mostazal’s property in Copiapo.
Audits
or
reviews
  • The results of any audits or reviews of sampling techniques and data.
  • There have been no detailed audits or reviews of the sampling techniques
  • Solis Minerals has conducted an internal technical review of the Mostazal Copper Project data.
 
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.
  • The Mostazal Copper Project is located in the commune of Diego de Almagro, in the Chaaral Province of the Third Atacama Region, Chile approximately 80km northeast of the city of Copiapo.
  • The Mostazal Copper Project consists of eight Exploitation Mining Concessions covering an area of 1,317 ha that were constituted in accordance with the Chilean mining Code 1993.
  • The eight concessions are currently 100% owned by a series of legal Mining Companies (Sociedad Legal Minera), each of which are owned by two shareholders, who are also the owners of Sociedad Legal Minera Mostazal.
Exploration
done by
other parties
  • Acknowledgment and appraisal of exploration by other parties.
  • Sociedad Legal Minera Mostazal completed reconnaissance sampling and mining activities at the project between 2005 and 2008.
  • Galilea Minerals conducted trench and outcrop sampling in 2008 and produced an exploration target for the M-01 mineralised lens based upon previous geological mapping and surface sampling.
  • IMT Exploraciones completed soil, trench and outcrop sampling, diamond drilling, and ground magnetic and induced polarization geophysical surveys between 2011 and 2013.
  • APGC Corp Chile Spa produced a foreign estimate for the Mostazal Copper Project in 2015 using the diamond drilling data, surface sampling and mapping.
  • Santiago Metals Limitada completed geological mapping over the project area in 2016.
Geology
  • Deposit type, geological setting and style of mineralisation.
  • The Mostazal Copper Project rea consists of fine grained to porphyritic andesite lava flows and breccias of the Jurassic – lower Cretaceous age Sierra Fraga Formation, that are locally interbedded with volcaniclastic sediments. The andesites are intruded by a series of dacite porphyry dykes of Paleocene to Eocene age that typically trend northeast – southwest. The western and southeastern portions of the project area covered by late-stage Tertiary Atacama gravels with thicknesses ranging from a few meters to a few tens of meters. More recent Quaternary age sediments including sand, gravel, colluvium, and silt cover occurs throughout the project area.
  • Mineralisation identified at the Mostazal Copper Project consists of several stacked stratified and discontinuous copper-silver (Cu-Ag) mineralised lenses or ‘mantos’ within the andesitic volcanic rocks that strike to the north-northwest and dip to the west, subparallel to the host andesite flow banding.
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
    • 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.
  • A summary of the Mostazal drilling data is included in Appendix 2 of this document.
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.
  • Intersection have been calculated as length weighted averages.
  • Selected intersections are reported above a nominal intersection grade cutoff of >0.5% Cu, with a maximum of 3m of internal dilution.
  • No metal equivalent values have been used.
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 (e.g. ‘down hole length, true width not known’).
  • Calculated intersections are reported as down-hole widths. There is insufficient data at this to enable to calculation of true width intersections.
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.
  • The Company has included various maps and figures showing the sample results and geological context.
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 avoiding misleading reporting of Exploration Results.
  • All analytical results for copper and silver, have been reported.
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.
  • IMT Exploraciones completed ground magnetic and Induced polarization surveys over the project area.
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.
  • Solis Minerals will undertake extensive validation and field confirmation of the various targets identified from the historical data at the Mostazal Copper Project.
  • A comprehensive work program for the Mostazal Copper Project has been proposed and will include additional diamond drilling, relogging and sampling of the existing diamond drill core, geological mapping and down-hole geophysics.
 
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