06:09:04 EDT Mon 29 Apr 2024
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Avrupa Minerals Ltd (2)
Symbol AVU
Shares Issued 53,204,754
Close 2023-06-12 C$ 0.065
Market Cap C$ 3,458,309
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Avrupa drills 26.95 m of 2.18% Cu at Alvalade

2023-06-12 11:47 ET - News Release

Mr. Paul Kuhn reports

AVRUPA MINERALS INTERSECTS 26.95 METERS @ 2.18% COPPER, 2.58% LEAD, 5.60% ZINC, AND 88.2 PPM SILVER AT SESMARIAS, PORTUGAL

Avrupa Minerals Ltd. has provided new assay results from the Sesmarias massive sulphide target area, Alvalade joint venture project, Portugal. The program is a joint venture between Avrupa Minerals and Minas de Aguas Tenidas SA (Sandfire MATSA). Avrupa continues to operate the project through the JV entity PorMining Lda., and MATSA continues to finance the exploration work. Previously, through the JV, during 2020 to 2021, the company drilled 17 diamond drill holes, totalling 8,900 metres, on six different fences along a strike length of 400 metres in the Sesmarias North zone.

The JV returned to drilling at Sesmarias in mid-April, targeting the Central zone, where Avrupa drilled the high-grade discovery hole, SES002, in 2014 (see Feb. 27, 2014, news release). Follow-up drilling in the immediate discovery area at that time unsuccessfully targeted shallow extensions of the mineralization seen in SES002 at a depth of about 150 metres. Armed with a significantly upgraded targeting model constructed after a total of 46 holes and nearly 20,000 metres of drilling at Sesmarias since 2014, the JV geological team aimed deeper to 400 metres depth to attempt to locate further high-grade mineralization.

Results from SES23-047 are:

  • 26.95 metres of 2.18 per cent copper, 2.58 per cent lead, 5.60 per cent zinc and 88.2 grams per tonne silver from 393.80 to 420.75 metres depth, within a wider interval of:
  • 43.40 metres of 1.51 per cent copper, 2.15 per cent lead, 4.78 per cent zinc and 64.1 g/t silver from 392.80 to 436.20 metres depth.

At this time, with only one drill hole in the new zone, the true thickness of the massive sulphide mineralization is unknown. The drill hole intercepted at least part of the eastern limb of the target mineralized syncline, and possibly part of the hinge of the syncline. Further drilling is clearly necessary to search for both extension and shape of the mineral body. The company is currently drilling a follow-up hole, collared approximately 150 metres southeast of SES23-047, with five more holes planned, also financed by the JV partner.

Paul W. Kuhn, president and chief executive officer of Avrupa Minerals, commented: "We are truly excited about the SES23-047 results. The entire team effort putting together a coherent targeting model led to this initial success in the Sesmarias Central zone, which we hope will continue with follow-up drilling. Previous JV drilling demonstrated the potential for significant thicknesses of massive sulphide mineralization, and we recognized the potential for higher-grade mineralization as we moved south towards the Central zone, perhaps the centre of the mineral system. We now recognize that the SES002 lens should be part of the new discovery lens, separated by faulting. Perseverance, continued creative thinking and strong financial support led to a real success that shows possibilities for further follow-up success."

Potential for further higher-grade mineralization lies from the present 650S section to the 350S section, north of the present drilling, and possibly for another 300 to 400 metres to the south of the 650S section. Avrupa is presently drilling at SES23-048, collared approximately 150 metres southeast of SES23-047, on the 800S section.

Results and information for SES21-044, Section 350S, may be found in the Jan. 25, 2022, news release. Results and information for SES026, located approximately 350 metres southeast of SES23-047 on the 1000S section, may be found in the March 11, 2019, news release.

Notes on analytical methods and quality control: The JV analyzed the mineralized material at two different laboratories, as the table herein demonstrates. For certified, National Instrument 43-101 acceptable assay results, Avrupa selected the ME-MS61 method performed by ALS Global at its Seville sample preparation facility and Loughrea, Ireland, analytical laboratory. For in-house reasons and desire to have overnight results, the company authorized preliminary analytical procedures at the non-certified MATSA laboratory facilities at the Aguas Tenidas mine.

For technical reasons, at the depth of the Sesmarias mineral intersection, drillers had reduced core size to NQ (47.6-millimetre diameter). Project personnel collected oriented drill core twice daily from the drill rig and delivered the boxes directly to the project core storage facilities in Grandola, Portugal. Here, after geological and geotechnical review of the core, a project geologist measured and marked the core for sampling, with sample length averaging one metre 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 to partner Sandfire MATSA's Aguas Tenidas mine laboratory in Almonaster la Real, Spain, for preliminary, non-certified analytical information.

After acquiring the preliminary results, project personnel carried the sample pulps (minus-80-mesh material used for metals digestion) to the ALS Global sample preparation facility in Seville, Spain. ALS directly shipped the pulp material to its main European analytical laboratory located in Loughrea, Ireland. At the analytical laboratory, Avrupa requested the samples to be analyzed through 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).

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.

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 the SES23-047 work orders, and confirmed that these results conform to industry best practice standards.

About Avrupa Minerals Ltd.

Avrupa 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 100-per-cent-owned licence in Portugal, the Alvalade volcanogenic massive sulphide project, presently optioned to Sandfire MATSA in an earn-in joint venture agreement. The company now holds one 100-per-cent-owned exploration licence covering the Slivova gold prospect in Kosovo, and is actively advancing four prospects in central Finland through its in-process acquisition of 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.

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