Infinitum Copper Announces Geophysical Interpretation Reveals Strong, Untested, Conductive Anomalies at La Adelita Project
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NEWS RELEASE 22-14 September 7, 2022
Infinitum Copper Announces Geophysical Interpretation Reveals Strong, Untested, Conductive
Anomalies at La Adelita Project
VANCOUVER, BC / ACCESSWIRE / September 7, 2022 / Infinitum Copper Corp .
(TSXV:INFI)(OTCQB:INUMF) (“Infinitum” or the “Company”) is pleased to announce completion of the
first phase of the current exploration program at its flagship La Adelita project in Sonora and Sinaloa
States, Mexico. Exploration activities in 2022 have resulted in the discovery of three significant showings,
including a previously announced trench at Las Trancas zone that returned 9.15 metres (m) of 16.45 grams
per tonne (g/t) gold, 1.90% copper and 3.50 g/t silver (see Figure 1 and News Release April 13, 2022). The
current geophysical interpretation has revealed several strongly anomalous results which will be the focus
of the next phase of diamond drilling.
Highlights:
• Interpretation of the Magneto Telluric (MT) geophysics study is complete, and the results show
good correlation with historic drilling. The strongest anomalies are untested by drilling.
• Twelve diamond drill holes were completed on the trend of high -grade copper-gold-silver skarn
mineralization at the Cerro Grande zone , with a total of 2,574 metres, including 1,848 samples
that have been sent to the lab for analysis with results pending.
• New Land Access Agreement with Los Batequis Community will facilitate work such as road
building and drilling in the Las Trancas zone.
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Rafael Gallardo, Infinitum’s Senior Exploration Manager states “Sampling, drilling and mapping results
reveal both vertical and lateral zoning in this large system. The overall zoning observed at La Adelita
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appears to be matched by geophysical anomalies and fits very well with the proprietary CRD model that
guides our exploration. Now we have the geophysics to tie it all together and it has revealed some very
compelling targets”
Drilling:
Twelve diamond drill holes, AD-22-0017 - 0028, were completed at the Cerro Grande zone, with a total of
2,574 metres of drilling, including 1,848 samples that have been sent to the lab for analysis (see Table 1
and Figure 2). The results of the drilling are pending. The Company has completed the initial phase of the
2022 diamond drill program at the Cerro Grande zone and is refining multiple targets slated for upcoming
drilling. Heavy seasonal rains in August and September inhibit safe and productive drilling, so Infinitum
expects to initiate Phas e 2 drilling on permitted targets at Cerro Grande, Pericos and Las Trancas once
conditions improve.
Phase one drilling tested pre-existing targets, confirming and extending the high-grade copper-gold-silver
skarn mineralized trends , focusing on tracing mineralization through folds and across previously
unrecognized post-mineral faults. The next phase of drilling will incorporate the results of phase one,
including drill results, trenching and importantly, the geophysics interpretation which is discussed below.
HOLE ID EAST NORTH ELEVATION AZIMUTH INCL.
FINAL
DEPTH
SAMPLES
SENT TO
THE LAB
AD-22-0017 739040 2961760 465 255° -45 145.50 135
AD-22-0018 739040 2961760 465 255° -65 253.50 133
AD-22-0019 739034 2961649 487 270° -45 165.00 171
AD-22-0020 739034 2961649 487 270° -65 19.50 14
AD-22-
0020-A 739034 2961649 487 270° -68 222.00 220
AD-22-0021 739034 2961649 487 230° -55 114.00 104
AD-22-0022 739068 2961601 480 230° -55 184.50 88
AD-22-0023 739185 2961543 475 270° -45 295.50 237
AD-22-0024 739118 2961665 444 220° -45 141.00 123
AD-22-0025 739118 2961665 444 220° -67 180.00 163
AD-22-0026 739151 2961156 482 250° -55 294.00 167
AD-22-0027 739250 2961674 413 220° -45 279.00 170
AD-22-0028 739033 2961821 494 250° -65 280.50 123
2,574.00 1848
Table 1: Drill collar details for 2022 Cerro Grande zone drilling at La Adelita project.
Geophysics:
The Company conducted a 10 -line, 15.7 -kilometre MT geophysical survey at t wo key areas of
mineralization on the property (See figures 1, 2 and 3). Seven lines were laid out in the Cerro Grande and
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Pericos zones, in areas with known high-grade copper-silver-gold skarn mineralization. Three geophysical
lines were also completed to the south in the Las Trancas zone in the high -grade copper-gold
mineralization area of Trench 2.
Interpretation of the geophysical study shows well defined, conductive anomalies in areas that match well
with historic drill results and the evolving geological model. In particular, there is good continuity from
line to line of conductive anomalies in the area where the axial plane of an anticlinal fold is mapped in the
Cerro Grande zone. This target is untested by drilling at this time and is considered a high-priority
exploration target based on both the geologic model, and now the geophysics. Four pseudosections have
been included in the release as Figures 4 – 8.
Figure 1 : La Adelita Project Exploration Zones
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Figure 2: Geophysics and Drilling at Cerro Grande zone, La Adelita project
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Figure 3: Geophysics and Drilling at Las Trancas Zone, La Adelita Project
Line LC1N - Cerro Grande zone:
This section shows a strong conductive anomaly related to the axial plane of the La Adelita Anticline. The
strong anomaly is relatively close to the surface and is an attractive drill target that has never been tested
by drilling.
In the area of line LC1N, the steeply dipping and north -south trending, post -mineral quartz-monzonite
dyke increases in thickness and has an inflection towards the Northwest. This structural change indicates
a favorable mineral deposition environment. Two holes have now been drilled on this section, including
historic hole CG-10-004 which intersected two mineralized zones: 11.20 meters @ 1.10% Cu, 0.58 g/t Au
and 40 g/t Ag and 5.32 meters @ 0.28% Cu, 0.1 g/t Au, 8 g/t Ag further down the hole. In 2022, hole AD-
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22-0028 was drilled looking for the extension to depth of the mineralization in hole CGDD-10-004 (see
Figure 4). Results from AD-22-0028 are pending.
Drill holes are proposed from the west and east limb of the La Adelita Anticline. Surface mapping shows
the La Adelita Anticline can be projected through much of the Cerro Grande zone area with Cerro Grande
mineralization on the eastern limb of the anticline (See Figure 5) . Surface mapping and prospecting
indicates the prospective stratigraphy extends at least another 350 m north . To the south, the La Adelita
Anticline can be traced for at least 1.2 kilometr es where the receptive limestone horizon wraps around
and is found all the way along the west flank of the anticline.
Figure 4: Line LC1N Pseudosection at Cerro Grande Zone
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Figure 5: Geology Cross Section at line LC1N in Cerro Grande Zone
Line LC1S - Cerro Grande zone:
The stratigraphy, alteration and mineralization mapped on the western limb of the anticline, where the
newly discovered Pericos zone is located, mirrors the Cerro Grande zone on the eastern limb (see figure
5). This supports the belief that the two zones are on opposite limbs of the fold where mineralizing fluids
were the most reactive along the same stratigraphic horizon. The western limb and axial plane targets will
be drill tested early in phase two (see Figure 6).
On this line the strong axial plane high conductivity anomaly extends 200 meters south from where it was
observed on line LC1N. Here the anomaly is larger and slightly deeper. The MT results also show an
anomaly slightly to the east of Pericos, and it appears to follow the westerly dip of the stratigraphy (See
Figure 6). A third, conductive anomaly is located in the general area of Cerro Grande and its lower edge
was tested by drill hole AD-22-0027 (results pending) in phase 1 drilling.
Testing of geophysical anomalies in the Pericos zone can be accomplished from the west near the Pericos
discovery showing. Roads will be built to access drill pads for t he two proposed holes of 650 and 700
meters length targeting the core of the anomaly (see Figure 6).
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Figure 6: Line LC1S Pseudosection at Cerro Grande Zone
Line LC3S – Cerro Grande zone:
Similar to Line LC1S, the strong axial plane anomaly extends to this section and appears to again be a little
deeper (see Figure 7) . Surface geologic mapping shows that the folded limestone host stratigraphy
continues 400m south from Line LC1S (which had good mineralization in historic drilling on t he east side
of Cerro Grande) to Line LC3S which has not yet been drill tested.
At this line, a 2022 channel sample of a garnet skarn altered outcrop returned results of 13% Zn and 12
g/t Ag over 2.0 metres width (see News Release April 13, 2022).
“We are very pleased with the results of the Phase one exploration campaign at the La Adelita project.
The mineralizing system covers a large area and displays widespread high-grade results, both historically
and in the current program. Our field crew is doing a great job of continuing to advance our understanding
of this extensive system. The current work seems to be leading us to the south and west of Cerro Grande
zone with ample room for growth”, stated Steve Roberson, President and CEO.