Avrupa Minerals Intersects Polymetallic VMS Mineralization at Sesmarias
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September 19, 2024 NR 07 - 2024
Avrupa Minerals Intersects Polymetallic VMS Mineralization at Sesmarias
• SES24-054 cuts 41.2 meters of sulfide mineralization containing: 1.59%
copper, 1.71% lead, 3.36% zinc, and 54.90 g/t silver.
o Includes 28.6 meters containing: 1.68% copper, 2.42% lead, 4.75%
zinc, and 73.90 g/t silver.
• SES24-053 cuts 13.15 meters of sulfide mineralization containing: 0.31%
copper, 1.57% lead, 3.00% zinc, and 38.40 g/t silver.
o Includes 9.15 meters containing: 0.40% copper, 2.09% lead, 4.02%
zinc, and 50.5 g/t silver.
• Three of seven holes completed, with results from the first two included;
results pending for third hole; fourth hole in progress.
• Potential for two additional contingency holes; second drill on its way
to the project.
Avrupa Minerals Ltd. (AVU:TSXV) is pleased to announce the first set of analytical
results from the present phase of drilling at the Sesmarias VMS Project in the Alvalade
Joint Venture, Iberian Pyrite Belt, Portugal. The drilling program at Sesmarias is part of
a joint venture between Avrupa Minerals and Sandfire Mineira Portugal, Unipessoal Lda.
(“Sandfire Portugal”), a 100% -owned subsidiary of Minas de Aguas Teñidas, S.A.
(“Sandfire MATSA”) . Avrupa continues to operate the project through the JV entity
PorMining Lda., and Sandfire Portugal continues to fund the exploration work.
At this time, The Company has completed three drill holes in the current Sesmarias
Central program, totaling 1,715.4 meters, with a fourth hole in progress. We have seven
holes planned, with the contingency of two additional holes to be drilled as/where needed.
We expect a second drill in the near future to speed up the completion of this phase of
drilling. To date, we have received analytical results from sampling of the first two holes
(SES24-53 and SES24-054). Samples from the third hole (SES24-055) are now in the
laboratory, and results are pending for these samples.
Paul W. Kuhn, President and CEO of Avrupa Minerals, stated, “The se are exciting new
assay results, as we continue to develop a potential high-grade polymetallic core zone in
the SES Central area. The ongoing drilling program is designed to test for further high -
grade copper and zinc -lead-silver mineralization along a 600 -meter strike length in the
Sesmarias Central zone. Extending both north and south of SES Central, known massive
sulfide mineralization totals over 1,700 meters, and is open in both direct ions along the
strike of the targeted, mineral-host black shales in the Sesmarias synform.”
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Results for SES24-054:
SES24-054 intercepts
From (m) To (m) Total (m) Cu (%) Pb (%) Zn (%) Ag (g/t)
Geological Intercept
(includes Fault breccia, massive, semi-
massive replacement, stockwork sulfides) 377.2 418.4 41.2 1.59 1.71 3.36 54.90
including best copper intervals incl. 377.2 412.4 35.2 1.78
incl. 386.8 396.8 10.0 2.24
Best Polymetallic Interval (total)
377.2 405.8 28.6 1.68 2.42 4.75 73.90
incl. 385.8 393.8 8.0 1.90 4.98 9.78 131.30
Table 1. Results for SES24 -054 demonstrate further potential for high grade copper and
polymetallic mineralization in the hinge zone of the Sesmarias synform in the Central area. This
intersect is located approximately 150 meters SE of SES23 -047, drilled last year, which
intersected 26.95 meters of 2.18% Cu, 2.58% Pb, 5.60% Zn, and 88.20 g/t Ag within a wider
interval of 43.40 meters of 1.51% Cu, 2.15% Pb, 4.78% Zn, and 64.1 g/t Ag. (SES23-047 results)
Figure 1. Geological cross s ection 800 S, looking NW, showing mineralization in SES23 -048
(western limb/hinge zone) and SES24-054 (hinge zone). See Figure 3 for location of this section.
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Results for SES24-053:
SES24-053 intercepts
From (m) To (m) Total (m) Cu (%) Pb (%)
Zn
(%) Ag (g/t)
Geological Intercept
Includes stockwork to semi-massive
replacement sulfide mineralization 439.70 452.85 13.15 0.31 1.57 3.00 38.4
incl. 439.70 448.85 9.15 0.40 2.09 4.02 50.5
Table 2. Results for SES24-053 demonstrate polymetallic potential on the western limb of the Sesmarias
synform, but perhaps distal from the hinge zone area. Similar zinc-rich, polymetallic mineralization is
present in SES23-052, drilled last year, which cut the western limb some 470 meters SE of SES24 -053.
(Sesmarias Results -- 2023)
Figure 2. Geological cross section 650 S, looking NW, showing mineralization in SES23 -047 and
SES24-053. See Figure 3 for location of this section.
Kuhn commented further, “Following the great copper and polymetallic results in SES24-
054, and the strong zinc -lead-silver results in SES24 -053, we are beginning to see a
metal zonation centered in the SES Central hinge zone with high copper and associated
base metals, transitioning outwards/upwards and along the limbs of the Sesmarias
synform to more zinc -rich mineralization. Previous results in the SES North area show
lower copper and stronger zinc -lead in the eastern limb of the synform, but we have yet
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to cross the hinge zone in the north , nor much of the western limb . The present drilling
program may shed more light on the perceived metal zonation within the body of
mineralization, and we look forward to more strong results.”
Figure 3. Contour map showing 2024 new and planned drill hole collar locations in red color and
inferred massive sulfide mineralization, using drillhole interval grade (CuEq) as an exploration
targeting tool. The aim of the current phase of drilling is to expand the orange-red zone in the SES
Central area, and improve continuity of the high-grade, copper and polymetallic mineralization over
a strike length of 600 meters, and forming a central core to the deposit.
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Notes concerning Figure 3 . We use CuEq strictly as a proxy for total metal content, and as
such, simply as an exploration targeting tool. In no way, are we commenting on a possible
resource size or value. When reporting drill results, we utilize only individual metals’ values,
as reported by an accredited laboratory.
We have designed the present drill program to upgrade the +2% CuEq zone in the SES Central
sector and expand the potential +2% CuEq domain into the SES North sector where historic
drilling is less concentrated. Yellow and gr een zones generally indicate areas where historic
drilling missed the target and/or recent, better-targeted drilling is sparse.
For exploration purposes, using the results from Sesmarias drilling, 2014 to present, we
calculate the total amount of copper, lead, zinc, silver, and gold, without respect or indication
of any/all further downstream activities, followed by calculating the value of said total metal
content (in this case, as of September 10, 2024, using: Cu = US$ 4.04/lb.; Pb = US$ 0.89/lb.;
Zn = US$ 1. 23/lb.; Ag = US$ 2 8.31/oz.; and Au = US$ 2 513/oz.). Finally, we calculate the
equivalent content of copper, or CuEq, by di viding the value of the total contained metals by
the price of copper at that time. The shape and contouring of the inferred Sesmarias
mineralization, using Leapfrog geological modeling software, is courtesy of the Sandfire
Portugal geological team. Whil e metals’ prices have fluctuated in a fairly narrow range since
the original CuEq calculations, the shape of the VMS target area remains much the same , as
it depends on metal content, not the price.
Notes on analytical methods and quality control. The JV analyzed the mineralized
material at ALS Global facilities in Europe. For certified, NI43 -101 – acceptable assay
results, we selected the ME -MS61 method performed by ALS Global at their Seville
sample preparation facility and Loughrea, Ireland analytical laboratory.
Due to good drilling conditions at both holes, the drillers were able to extract HQ-size
(63.5 mm) core for the entire mineral intercept to get a large example of the mineralization.
Project personnel collected the oriented drill core twice daily from the drill rig and delivered
the boxes directly to the Project core storage facilities in Grândola, Portugal. Here, after
geological and geotechnical review of the core, a Project geologist measured and marked
the core for sampling, with sample length averagi ng one meter depending on visual
factors such as change in texture, style of mineralization, and/or host rock type. Project
employees systematically and methodically halved the core, utilizing an electric core saw,
and then placed one half of the split material for each sample length into separate,
numbered, plastic sample bags. In order to get fast, first-hand results, Project personnel
transported the core samples directly to the ALS Global preparation lab in Seville, Spain.
ALS prepared the samples, using their method PREP-31by, to crush to -2mm, split off a
1-kg sample, and to pulverize to 85% passing 75 microns. The pulverized material is
shipped to their main European analytical laboratory located in Loughrea, Ireland. At the
analytical laboratory, we requested the samples to be analyzed via the lab’s ME -MS61
technique which uses a four -acid, near -total metals’ extraction method, followed by
analysis using the industry -standard technique of inductively coupled plasma – atomic
emission spectroscopy (ICP-AES). Another split of the pulverized material is sent to the
ALS lab in Vancouver for Sn -XRF05 pressed pellet, XRF analysis to obtain a full value
for tin in the drill core.
At all times, prior to submission of the samples to ALS Global, Project or Sandfire MATSA
personnel maintained supervision, oversight, and custody of the samples.
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In addition to ALS Global in-house quality assurance/quality control (QA/QC) for all work
orders, the Project conducted its own normal, internal QA/QC from results generated by
the systematic inclusion of certified reference materials, blank samples and field duplicate
samples. Project personnel reviewed and evaluated the analytical results from the quality
control samples in all work orders, and confirmed that these results conform to industry
best practice standards.
Sandfire Portugal is a 100%-owned subsidiary of Sandfire MATSA, a modern mining
company which owns and operates the MATSA Mining Operations in the Huelva province
of Spain. With a processing plant located to the north of the Iberian Pyrite Belt that
sources ore from three underground mines, the Aguas Teñidas and Magdalena Mines in
Almonaster la Real and the Sotiel Mine in Calañas, Sandfire MATSA produces copper,
zinc and lead mineral concentrates that are sold from the port of Huelva.
Avrupa Minerals Ltd. is a growth-oriented junior exploration and development company
directed to discovery of mineral deposits, using a hybrid prospect generator business
model. The Company holds one 49% -owned license in Portugal, the Alvalade VMS
Project, presently optioned to Sandfire Portugal in an earn -in joint venture agreement.
The Company holds one 100% -owned exploration license covering the Slivova Gold
Project in Koso vo, optioned to Western Tethyan Resources, and is actively advancing
four prospects in central Finland through its partnership with Akkerman Finland Oy.
Avrupa focuses its project generation work in politically stable and prospective regions of
Europe, presently including Portugal, Finland, and Kosovo. The Company continues to
seek and develop other opportunities around Europe.
For additional information, contact Avrup a Minerals Ltd. at 1 -604-687-3520 or visit our
website at www.avrupaminerals.com.
On behalf of the Board,
“Paul W. Kuhn”
Paul W. Kuhn, President & Director
This news release was prepared by Company management, who take full responsibility for its content. Paul W. Kuhn,
President and CEO of Avrupa Minerals, a Licensed Professional Geologist and a Registered Member of the Society of
Mining Engineers, is a Qualified Person as defined by National Instrument 43 -101 of the Canadian Securities
Administrators. He has reviewed the technical disclosure in this release. Mr. Kuhn, the QP, has not only reviewed, but
prepared and supervised the preparation or approval of the scientific and technical content in the news release.
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX
Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.