COPPER GIANT COMPLETES FIRST DRILL HOLE AT EAST VALLEY TARGET, CONFIRMING PORPHYRY-STYLE MINERALIZATION BEYOND THE MOCOA RESOURCE FOOTPRINT Hole MD-048 intercepted porphyry-style mineralization, confirming East Valley as a valid new exploration target. While grades
COPPER GIANT COMPLETES FIRST DRILL HOLE AT EAST
VALLEY TARGET, CONFIRMING PORPHYRY-STYLE
MINERALIZATION BEYOND THE MOCOA RESOURCE
FOOTPRINT
Hole MD-048 intercepted porphyry-style mineralization, confirming East Valley as a valid new exploration target. While grades
are modest, this first-pass geological test demonstrates mineralization well beyond the current resource footprint and advances
the broader district-scale potential of Mocoa.
East-dipping orientations of molybdenite and polymetallic veinlets vector into untested ground coincident with Cu–Mo and Zn–Pb
soil anomalies, suggesting a potential new feeder zone to the east / southeast.
Late-mineral porphyry intrusions identified, interpreted as part of the causative system supplying hydrothermal fluids to Mocoa
and reinforcing a long-lived, multi-pulsed magmatic-hydrothermal system.
VANCOUVER, BC
,
Aug. 21, 2025
/CNW/ - Copper Giant Resources Corp. ("
Copper Giant
" or the "
Company
") (TSXV: CGNT)
(OTCQB: LBCMF) (FRA: 29H0) is pleased to announce that the first drill hole at the East Valley target, MD-048, intersected
porphyry-style mineralization including chalcopyrite, molybdenite, sphalerite, and galena. This marks the first-ever drill test in this
highly prospective area, located well beyond the current resource footprint of Mocoa. Two rigs are currently active as part of Copper
Giant's 14,000-metre resource expansion program at the Company's flagship Mocoa copper-molybdenum project in Putumayo,
Colombia
.
"This first hole at East Valley has given us a much clearer understanding of its geology and the direction mineralization may
extend. The east-dipping orientation of molybdenite and polymetallic veinlets, together with surface anomalies, points to a potential
feeder zone in untested ground. Gold and silver are almost negligible at the current deposit area, and the stronger polymetallic
signature confirms that East Valley is geochemically distinct. With these results, we now have clear vectors for the next stage of
exploration."
—
Edwin Naranjo Sierra
, Vice-President of Exploration.
Hole MD-048
Drill hole MD-048 is the first hole completed at the East Valley target, a previously untested area located well beyond the current
resource footprint of the Mocoa porphyry copper-molybdenum project. The hole was designed to test a Cu-Mo soil and rock anomaly
(see figure 1) and was completed to a depth of 785.3-metres, as part of Copper Giant's ongoing 14,000-metre resource expansion
program.
Detailed logging confirms the presence of porphyry-style mineralization and hydrothermal alteration across several intrusive phases
(see figure 2). The upper portion of the hole intercepted a strongly sericite-altered dacite porphyry (interpreted as part of a leach
cap) characterized by disseminated pyrite, iron oxides, and D-type veinlets, similar to those observed in the upper levels of the
Mocoa deposit (see figure 2A). At depth, alteration transitions to a chlorite-sericite alteration with the development of C- and D-type
veinlets that locally reopened early dark micaceous (EDM) veinlets (see figure
2B
and 2C). Several intrusive phases were
recognized, including micro-diorite, (interpreted as E0-type), and microtonalite porphyries, all displaying overprinting alteration and
sulfide mineralization dominated by pyrite and less content of chalcopyrite and galena (see figure 2D). Additional intervals include
brecciated tuff and chlorite-sericite altered porphyry with sphalerite, galena, chalcopyrite, and pyrite (see figure 2E and 2F).
Figure 1. Plan view of MD-048 showing the molybdenum soil anomaly and assay results for the Mocoa porphyry. *Cross-section
shown in figure 3 is highlighted in grey. For MD-48: azimuth of 45-degrees and dipping 50-degrees. Hole collar is 314329E, 137929N
and 1669 m.a.s.l. Coordinates are UTM system, zone 18N and WGS84 projection. (CNW Group/COPPER GIANT RESOURCES
CORP.)
MD-048
From (m)
To (m)
Interval (m)
Cu (%)
Mo (%)
Au (g/t)
Ag (g/t)
Zn (%)
Pb (%)
0.0
99.7
99.7
0.08
0.0033
0.03
3.14
0.004
0.001
Incl.
26.0
87.7
61.7
0.12
0.0034
0.03
3.13
0.005
0.001
99.7
200.2
100.5
0.10
0.0027
0.02
2.00
0.007
0.002
137.7
163.2
25.5
0.28
0.0042
0.01
2.43
0.007
0.002
200.2
300.4
100.2
0.04
0.0029
0.01
1.24
0.006
0.003
300.4
400.1
99.7
0.04
0.0029
0.03
2.08
0.023
0.016
Incl.
323.3
363.1
39.8
0.06
0.0041
0.03
1.97
0.025
0.024
400.1
500.0
99.9
0.05
0.0037
0.03
5.38
0.133
0.106
Incl.
415.1
454.0
38.9
0.02
0.0015
0.02
3.49
0.123
0.106
500.0
600.0
100.0
0.01
0.0017
0.03
1.08
0.029
0.011
600.0
699.7
99.7
0.01
0.0018
0.01
1.36
0.034
0.006
699.73
785.33
85.6
0.003
0.0007
0.03
0.97
0.016
0.002
Table 1 – Assay results for drill hole MD-048. * Intervals are reported at length-weighted averages and represent bulk porphyry-style mineralization; true widths are not yet known.
The orientation of mineralized structures provides a key vector. Molybdenite veinlets trend WNW, while polymetallic quartz-carbonate
veinlets (sphalerite, pyrite, galena) trend NNE. Both sets dip eastward, away from Mocoa. In porphyry systems, Zn–Pb veinlets are
typically distal features, yet at East Valley they dip directly into untested ground coincident with Cu–Mo and Zn–Pb soil anomalies.
This strongly suggests a feeder zone east of MD-048. Systematic step-out drilling and expanded soil geochemistry are planned to
test this hypothesis.
The hole also intersected a low-grade, late-mineral porphyry (see figure 3) phase with magnetite, pyrrhotite, hornblende, pyrite, and
chalcopyrite, interpreted as emplacement from a relatively oxidized, hydrous magma source. These NNW-trending late-stage
intrusions are likely part of the causative system, contributing additional hydrothermal fluids that prolonged mineralization within the
Mocoa district. They are comparable to late dykes observed in earlier holes, though less pervasively altered, and their presence
reinforces the interpretation of a long-lived, multi-pulsed magmatic-hydrothermal system that remains open for further discovery.
Figure 2. Mineralization and hydrothermal alteration observed in MD-048. A). Strong sericite altered dacite porphyry with multiple D-
type veinlets and patchy iron oxides. B). Chlorite-sericite altered porphyry with pyrite veinlet reopened space of a PGM (Pale Green
Mica) vein. C). Chlorite-sericite altered porphyry with a C-type (Chalcopyrite) vein. D). Strong sericite altered dacite porphyry with
disseminated molybdenite (moly) and chalcopyrite. E). Brecciated tuff with sphalerite, molybdenite (moly) and galena as matrix in-fill.
F). Chlorite-sericite altered porphyry with polymetallic mineralization. (CNW Group/COPPER GIANT RESOURCES CORP.)
Figure 3. Simplified geology cross-section along the hole MD-048 with a projection influence of 100m. *Mineralized zones at East
Valley are bulk porphyry-style zones, true widths are not yet known. For MD-48: azimuth of 45-degrees and dipping 50-degrees.
Hole collar is 314329E, 137929N and 1669 m.a.s.l. Coordinates are UTM system, zone 18N and WGS84 projection. (CNW
Group/COPPER GIANT RESOURCES CORP.)
Qualified Person and Technical Notes
Edwin Naranjo Sierra
, Vice-President of Exploration for Copper Giant, is the designated Qualified Person within the meaning of
National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI 43-101") and has reviewed and approved the
technical information in this news release. Mr. Naranjo holds an MSc. in Earth Sciences and is a Fellow of the Australasian Institute of
Mining and Metallurgy (FAusIMM).
Mineralized zones at Mocoa are bulk porphyry-style zones and drilled widths are interpreted to be very close to true widths.
Copper Giant operates according to a rigorous Quality Assurance and Quality Control (QA/QC) protocol consistent with industry best
practices. Core diameter is a mix of HQ and NQ depending on the depth of the drill hole. Diamond drill core boxes were
photographed, sawed, sampled and tagged in maximum 2-metre intervals, stopping in geological boundaries. Samples were bagged,
tagged and packaged for shipment by truck from Copper Giant's core logging facilities in Mocoa,
Colombia
to the ActLabs certified
sample preparation facility in
Medellin, Colombia
. ActLabs is an accredited laboratory independent of the Company. Samples are
processed in the
Medellin
facilities where they are analyzed for copper, gold, silver, molybdenum, zinc and lead by 4-Acid digest
Atomic Absorption (AA) analysis. The sample pulps are air freighted from
Medellin
to the ActLabs certified laboratory in
Guadalajara,
Mexico
, where they are analyzed for a suite of 57 elements using 4-Acid digest and ICP-MS. In order to monitor the ongoing quality
of assay data and the database, Copper Giant has implemented QA/QC protocols which include standard sampling methodologies,
the insertion of certified copper and molybdenum standard materials, blanks, duplicates (field, preparation and analysis) randomly
inserted into the sampling sequence. QA/QC program also includes ongoing monitoring of data entry, QA/QC reporting and data
validation. No material QA/QC issues have been identified with respect to sample collection, security and assaying.
About the Mocoa Porphyry System
The Mocoa project is located in the department of Putumayo, approximately 10 kilometres from the town of Mocoa in southern
Colombia
. Copper Giant holds a district-scale land package of over 790 square kilometres through granted titles and applications,
covering a substantial portion of the Jurassic porphyry belt - an underexplored and highly prospective metallogenic zone in the
northern Andes.
Discovered in 1973 through a regional geochemical survey by the United Nations and the Colombian government, Mocoa has been
the subject of multiple exploration campaigns. Between 1978 and 1983, follow-up work included geological mapping, IP and magnetic
geophysics, surface sampling, drilling, and metallurgical testing. Additional drilling by B2Gold in 2008 and 2012 helped shape the
current geological understanding.
The deposit is hosted in Middle Jurassic dacite and quartz-diorite porphyries intruding andesitic to dacitic volcanics, within
Colombia's
Central Cordillera. This 30-kilometre wide tectonic belt extends into
Ecuador
and hosts other major porphyry systems like Mirador,
Warintza,
San Carlos
, and Panantza. Mocoa displays a classical porphyry-style alteration zonation: potassic core, sericite halo, and
outer propylitic zone, with mineralization consisting of disseminated chalcopyrite and molybdenite, and local bornite and chalcocite,
associated with stockworks and hydrothermal breccias.
The system features over 1,000 metres of vertical continuity, overlapping hydrothermal stages, and a broad alteration footprint.
Multiple intrusive phases, brecciation events, and vein generations suggest a dynamic magmatic-hydrothermal evolution likely driven
by more than one porphyry center.
Mocoa remains open in all directions, with several satellite targets identified across the broader land package. These features
support the interpretation of a district-scale porphyry system and position Mocoa as one of the most significant undeveloped copper-
molybdenum assets in the Andes
1
For further information refer to NI 43-101 Technical Report, entitled
"Technical Report on the Mocoa Copper-Molybdenum Project, Colombia", dated January 17, 2022, prepared by Michael Rowland Brepsant, FAusIMM, Robert Sim, P.Geo, and Bruce Davis, FAusIMM. with an effective date of November 01, 2021.
About Copper Giant
Copper Giant Resources Corp. is part of the Fiore Group, a private and well-established Canadian organization known for building
successful, high-impact companies across the natural resource sector. Copper Giant was formed with a singular focus: to advance
high-quality copper projects beyond resource definition—responsibly, efficiently, and with long-term positive impact.
The Company is led by a team with uncommon experience, having successfully taken some of the few major copper mines developed
in the past two decades from discovery through to construction.
Copper Giant's current focus is the Mocoa copper-molybdenum deposit in southern Colombia, one of the largest undeveloped
resources of its kind in the Americas. Recent exploration success has revealed potential well beyond its original footprint, highlighting
Mocoa as a broader district-scale opportunity—and the catalyst for the Company's name and evolution.
Guided by the values of
respect
and r
esponsibility
, and grounded in its
Good Neighbor
philosophy, Copper Giant is committed to
creating enduring values for all stakeholders and playing a meaningful role in the global energy transition.
Neither the 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.
This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than
statements of historical fact, including statements regarding the drilling results of MD-048, the outcome of the Company's current
resource expansion strategy; other activities and achievements of the Company, including but not limited to: the timing and success
for the advancement of the Mocoa Project, the expansion of the Mocoa resource base; are to be considered forward looking.
Although Copper Giant believes the expectations expressed in such forward-looking statements are based on reasonable
assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially
from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking
statements include market prices and volatility with the Company's common shares, exploitation and exploration successes,
uncertainty of reserve and resource estimates, risks of not achieving production, continued availability of capital and financing,
processes, permits and filing requirements, risks related to operations in foreign and developing countries and compliance with
foreign laws and including risks related to changes in foreign laws and changing policies related to mining and local ownership
requirements in
Colombia
, and general economic, market, political or business conditions and regulatory and administrative
approvals. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on
their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements
SOURCE
COPPER GIANT RESOURCES CORP.
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For further information:
Additional Information: Ian Harris, Chief Executive Officer, [email protected], +1 303 956 2944;
Tetiana Konstantynivska, Vice President Investor Relations, [email protected], +1 778 829 8455
CO: COPPER GIANT RESOURCES CORP.
CNW 07:30e 21-AUG-25