Avrupa Reports New Drill Results and Extends Massive Sulfide Mineralization at Sesmarias North, Alvalade Project, Portugal Highlights include:
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September 21, 2021 NR 05 - 2021
Avrupa Reports New Drill Results and Extends Massive Sulfide
Mineralization at Sesmarias North, Alvalade Project, Portugal
Highlights include:
• SES21-040: 36.45 meters @ 0.72% Copper, 0.36 g/t Gold, 21 g/t Silver, and 0.82%
Lead, including:
o 11.0 meters @ 1.05% Copper, 0.51 g/t Gold, 39.2 g/t Silver, and 1.64% Lead.
• SES21-039: 39.2 meters @ 0.44% Copper, 0.71 g/t Gold, 27.1 g/t Silver, 2.07% Zinc,
and 0.79% Lead, including overlapping mineralized zones:
o 17.25 meters @ 1.01 g/t Gold
o 16.7 meters @ 34.6 g/t Silver
o 16.7 meters @ 0.58% Copper
o 9.7 meters @ 1.23% Lead
o 8.0 meters @ 2.96% Zinc and 7.7 meters @ 3.5% Zinc.
• SES21-039: A second significant massive sulfide intercept lower in this hole: 14.8
meters @ 0.45% Copper, 0.29 g/t Gold, and 28.7 g/t Silver.
Further highlights include:
• SES21-039 and SES21-040 extend massive sulfide mineralization for 350 meters to
the southeast from the previously-reported SES21-033/036 section;
• Grades improving to the southeast;
• 11 drill holes, 5,862 meters completed to date on five sections at SES North and one
section in the SES Central sector;
• Results from 10 holes now reported; results from one hole pending
• Drilling is underway on a 12th hole at Sesmarias.
Avrupa Minerals Ltd. (AVU:TSXV) is pleased to report that drilling continues to expand
and upgrade polymetallic, massive sulfide mineralization at the Sesmarias Copper -Zinc
Prospect within the Alvalade Project (Alentejo, Portugal). The program is a joint venture
between Avrupa Minerals and Minas de Aguas Teñidas, S.A. (MATSA) and is operated by
Avrupa through the JV entity PorMining Lda. To date, the Company has completed 11
diamond drill holes on six different fences, totaling 5,862 meters, and is drilling a 12th hole
testing potential massive sulfide mineralization on Section 0350S.
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Paul W. Kuhn, President and CEO of Avrupa Minerals, commented, “ With continued
drilling in the SES North sector, we have now intersected significant massive sulfide
mineralization over 350 meters in strike length to the southeast from previous ly-reported
intersections in SES21-033 and 036. The SES21- 039 intercept is the longest, to date, in
the joint venture, and shows improving copper , zinc, and gold grades, as we move south
along the strike of massive sulfide mineralization originally discovered in SES008. The
SES21-040 intercept contains the best copper results, to date, with 11 meters of 1.05%
copper within a longer interval of polymetallic mineralization. As we move south towards
the SES Central ( Discovery) sector, we look forward to the potential of continued
improvement of grades.”
SES North Results and Sections
To date, the Company completed ten drill holes in the SES North sector during this phase
of drilling (SES20-031 through SES21-040), and one further hole in the SES Central sector
(SES21-041), totaling 5,862 meters. The Company reports results for SES21-037 through
040 in this release.
Drilling at SES21 -042 is now underway o n the 350 S section to test for possible
mineralization above SES21- 040. Following the completion of SES21-042, the Company
plans to drill further on the 350 S section to test for potential downdip massive sulfide
mineralization below the SES21-040 intercept. That hole will be collared approximately 40
meters northeast of the SES21-040 location.
Through all phases of drilling and exploration at Sesmarias, the Company has drilled
copper-zinc massive sulfide mineralization in various lenses over a strike length of 1.7
kilometers. Through interpretation of various programs of geophysical work and re-logging
of historical drilling in the district , including holes with massive sulfide mineralization
present, the strike length for possible massive sulfide mineralization may easily be
extended to the north for a further 800- 1000 meters. All indications suggest that potential
for further mineralization to the south is open, as well. For now, the Company will continue
to work on extending and upgrading the mineralization at SES North towards the SES
Central sector, as well as defining massive sulfide occurrence in the Central sector.
Through detailed logging of the new core from this phase of drilling, as well as detailed re-
logging of all the Sesmarias area historic core, we have established that the Sesmarias
massive sulfide system is heavily folded and strongly modified by several phases of post -
mineralization faulting. However, through all this structural modification, the Company
continues to i ntersect the target mineral horizon in all of the Sesmarias drilling. The
identification and separation of the different lenses of massive sulfide mineralization is
strictly related to the location of mineralization on a specific limb of successive and
adjacent folds (see sections below) . This supports the previous identification of the 2
Lens, the 8 Lens, the 10 Lens, a nd others at Sesmarias, as they are situated on different
fold limbs and will project to the surface as separate lenses. This geometry explains the
historic situation of the numerous massive sulfide lenses that make up the Lousal deposit,
just seven kilometers north of Sesmarias. We expect a similar targeting story for Monte da
Bela Vista, a further 2 kilometers beyond Lousal, as the complicated geology in all three
target areas appears to be similar, if not directly related.
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Figure 1. Plan view of Sesmarias North drilling, with drillhole locations and cross section lines.
Figure 1a. Surface expression of the 8 Lens Target Zone ( red dashed lines ) and projected surface
expression of mineralization in the SES North sector. Drilling is underway on the Section 350 S, where we
have discovered a new lens (in purple) for the northern sector with significantly higher copper grade than
previous holes in the northern sector.
Following is a summary of new results for SES North mi neralization from Section 000 to
Section 350 S. Results are reported in order of drilling.
Meters From To Cu (%) Zn (%) Pb (%) Au (g/t) Ag (g/t)
3.9 476.85 480.75 0.28 1.70 0.77 0.48 24.4
Table 1. SES21-037 intercept information. Section 000. Possible bottom of lens on this section.
Meters From To Cu (%) Zn (%) Pb (%) Au (g/t) Ag (g/t)
6.0 356.85 362.85 0.72
Incl.
5.0 356.85 361.85 0.64 1.57 0.98 0.6 33.1
And
6.25 372.9 379.15 0.6
2.8 376.35 379.15 0.75
Table 2. SES21-038 intercept information. Section 070 S. Overall zone of mineralization
defined by mixed stockwork and semi- to massive sulfide material.
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Meters From To Cu (%) Zn (%) Pb (%) Au (g/t) Ag (g/t)
39.2 348.0 387.2 0.44 2.07 0.79 0.71 27.1
Gold-Zinc zone
17.25 351.0 368.25 1.01
Incl.
6.0 351.0 357.0 1.58
8.0 357.0 365.0 2.96
Incl.
2.0 363.0 365.0 4.7
Polymetallic zone
16.7 370.5 387.2 0.53 0.51 34.6
Incl.
16.2 363.0 379.2 2.85
13.7 370.5 384.2 1.09
Incl.
7.7 370.5 378.2 3.5
9.7 370.5 380.2 1.23
8.0 379.2 387.2 0.58
Table 3a. SES21-039 upper intercept information. Section 120 S. Longest intercept, to date, in
this phase of drilling. Contains overlapping zones of Au-Zn and polymetallic mineralization.
Meters From To Cu (%) Zn (%) Pb (%) Au (g/t) Ag (g/t)
14.8 419.0 433.8 0.45 0.59 0.29 28.7
Incl.
2.8 431.0 433.8 0.7
2.0 423.0 425.0 1.42
1.0 430.0 431.0 1.24
Table 3b. SES21-039 lower intercept information. Section 120 S.
Meters From To Cu (%) Zn (%) Pb (%) Au (g/t) Ag (g/t)
36.45 479.4 515.85 0.72 0.82 0.36 21.0
Incl. Best overall zone
4.0 485.4 489.4 1.32 3.86 0.67 71.4
And Best copper zone
11.0 483.4 494.4 1.05 1.64 0.51 39.2
And
2.0 509.4 511.4 1.38 1.82
And Additional zinc zone outside of main zone
8.05 510.4 518.45 0.72
Table 4. SES21-040 intercept information. Section 350 S. Long intercept contains best copper
results, to date, in this phase of drilling. Copper grades appear to increase towards the south.
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Following are the summary cross sections for 8 Lens mineralization in the Sesmarias
North sector. Further information will be posted on the Avrupa Minerals website.
Figure 2. Section 000: Simplified geological section, showing massive sulfides and stockwork zone in
SES008, SES21-033, SES21-036, and SES21-037. While the section shows the apparent bottom of the 8
Lens, further work to potentially open up the mineral horizon below SES21- 037 and expand downdip will be
contemplated in the future. However, at this time, new drilling will be concentrated towards the south where
copper and zinc grades appear to be rising and the size of the lens appears to be increasing.
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Figure 3. Section 070 S: Simplified geological section showing location of massive sulfides in SES21- 038,
as well as SES20-031 crossing the top of the Lens 8 pod. Targeting for further mineralization on this section
clearly lies downdip from the SES21-038.
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Figure 4. Section 120 S : Simplified geological section showing two intercepts of massive sulfide
mineralization in SES21-039. Intercepts appear to lie in separate limbs of ancillary folding on the northeast
limb of the main syncline identified in the SES North sector drilling during this phase of the program.
Results, combined with those of SES21- 038 (above) and SES21-040 (below) suggest potential vectoring to
the southeast at SES North towards higher grade copper and zinc mineralization.
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Figure 5. Section 350 S : Simplified geological section, showing massive sulfides and stockwork zone in
SES009 and SES21 -040, along with ongoing drilling at SES21-042, represented by a dashed line. The
Company plans to aim for a depth of approximately 600 meters for 042. The hole intercepted strong
mineralization on the southwest limb of the main syncline for the first time in the northern sector at
Sesmarias.