Drill Permits Granted and IP Survey Identifies Key Targets at Radius Gold’s Tierra Roja Copper Project Vancouver, Canada – Radius Gold Inc. (TSXV: RDU) ("Radius" or the "Company") is pleased to announce that it has received permits for drilling at its 100%-owned Tierra Roja copper project. In parall
news release
July 7, 2025
Drill Permits Granted and IP Survey Identifies Key Targets
at Radius Gold’s Tierra Roja Copper Project
Vancouver, Canada – Radius Gold Inc. (TSXV: RDU) ("Radius" or the "Company") is pleased to announce
that it has received permits for drilling at its 100%-owned Tierra Roja copper project. In parallel, results
from the recently completed induced polarization (IP) and resistivity geophysical surveys have defined a
large coherent zone of high resistive and high chargeable material at depth below the coppe r
mineralization defined by surface mapping and sampling. The combination of significant surface copper
oxide copper mineralization, hosted in highly altered (silica, sericite) intrusive and volcanics, with a large
resistive and chargeable geophysics response at depth define compelling drill targets.
Bruce Smith, President and CEO of Radius Gold, commented:
"With drill permits in hand and compelling geophysical targets now defined, Radius looks forward to
commencing the first-ever drill program at Tierra Roja. The IP results align well with our surface mapping
and sampling, and we believe Tierra Roja has the potential to host a significant copper discovery and look
forward to the start of drilling."
The Phase 1 drill program is expected to commence Q3 and will test geophysical targets, located directly
below outcropping alteration and copper oxide mineralisation. See figures 1 to 4.
About the IP/Resistivity Survey
The IP/Resistivity consisted of 3 NS orientated lines, total 4.8km surveyed covering the core 800m
diameter system. Initial interpretation indicates a broad and coincident resistivity and chargeable
anomaly dipping south to depth from the main out cropping copper oxide mineralised zones. The
geophysical chargeable and resistive anomaly is consistent line to line across 500m of tested strike
extension.
1111 Melville Street, Suite 1000
Vancouver, BC V6E 3V6, Canada
www.radiusgold.com
T 604.801.5432
F 604.662.8829
TF 1.888.627.9378
TSX.V: RDU
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Figure 1: IP/Resistivity plan view at 1500masl (approximately 250m below surface) with 2D IP and Resistivity cross -
sections of central line 632200E. Note almost co-incident chargeable and resistive anomalies. Chargeable anomaly is
approximately 3X greater than background and is consistent line to line across 500m. Proposed drill hole depicted.
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Figure 2: IP 3D Inversion on central line 632200E showing chargeable anomaly 3 times background levels, below
copper mineralisation at surface. Proposed drill hole depicted.
Figure 3: 3D Chargeability view looking east at Tierra Roja with transparent topography and rock chip geochemistry,
showing relative position of three lines and consistency of chargeable anomaly across 500m.
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Geological Interpretation
Radius has now completed detailed geological mapping at Tierra Roja, along with geochemistry and
both magnetic and IP/Resistivity surveys. Several zones of structurally controlled EW oriented zones
intense silica, sericite dominant alteration between 50 to 150m wide are associated with copper
mineralisation. Higher grade (+2% Cu) are often completely brecciated and replaced by silica. The larger
zones of intense alteration are surrounded by wide zones of moderate to weak alteration and then
relatively fresh rock. The outer margins of the system have chlorite epidote alteration. Mineralization
occurs as copper oxides, dominantly malachite, chrysocolla, and atacamite hosted within structures and
broadly disseminated. The host rocks regionally are andesitic volcanics estimated Jurassic age. The core
of the target is comprised of a multi-phase intrusive complex dominantly of dacite composition, but also
andesite and quartz-feldspar porphyry, estimated Cretaceous age. There is widespread faulting,
brecciation and replacement of large areas (50 to 150m wide) by silica sericite alteration.
The origins of the intense alteration and copper oxide mineralization observed at surface are uncertain.
Drilling is required. There has been some debate amongst our experienced Peruvian team and several
visitors to the project as to whether the observed characteristics are related to porphyry copper or IOCG
mineralisation. Tierra Roja lies 120km south of the large IOCG deposits Mina Justa, Marcona, Pampa de
Pongo and further north Mina Raul Contestable. 200km south of Tierra Roja occur very large porphyry
copper deposits in La Tapada, Tia Maria, Cerro Verde, Chapi etc.
Tierra Roja has a significant scale alteration system, abundant copper oxide mineralisation occurring
over a large area, a strong co-incident IP - chargeable and resistivity anomaly extending to depth below
the outcropping alteration and mineralization and has never been drill tested. The Radius team looks
forward to drilling this compelling target.
Figure 4 Tierra Roja detailed alteration mapping with copper grades over 1% depicted.
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Drill Permits
Radius local subsidiary in Peru has been granted FTA (Ficha Técnica Ambiental) authorizations that
approves drilling and the construction of 20 drill pads and access roads. From each platform several
drillholes can be completed. The FTA also covers land access and in the case of Tierra Roja, the land is
federally owned with no registered occupants and access approved. There is no drilling water available
on-site and water will need to be purchased and trucked in from an approved mining supply of which
there are several available sources within the district. The alternative for drilling without water is RC
(reverse circulation). Radius is currently negotiating drill contracts with potential suppliers.
Qualified Person
Bruce Smith, M.Sc. (Geology), a member of the Australian Institute of Geoscientists, is Radius’ Qualified
Person as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects. Mr. Smith
has 30 years of mineral exploration experience and has prepared and approved the technical information
contained in this news release.
Radius Gold Inc.
Radius has a portfolio of projects located in Mexico , Guatemala and Peru which it continues to advance,
utilizing partnerships where appropriate to retain the Company’s treasury. At the same time,
management is seeking out additional investment and project acquisition opportunities across the globe.
Radius is a member of the Gold Group of companies , led by Simon Ridgway . You may find more
information on Radius Gold at www.radiusgold.com or www.sedarplus.ca.
ON BEHALF OF THE BOARD
Bruce Smith
President and CEO
Symbol: TSXV-RDU
Contact: Bruce Smith
1111 Melville Street, Suite 1000
Vancouver, BC V6E 3V6, Canada
Tel: 604-801-5432; Toll free 1-888-627-9378; Fax: 604-662-8829
Email: [email protected]
Website: www.radiusgold.com
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Forward-looking statements
Certain statements contained in this news release constitute forward -looking statements within the meaning of
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looking statements and include, without limitation, statements about the results of exploration work and future
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