IsoEnergy Provides Update on Summer Exploration Results
IsoEnergy Provides Update on Summer Exploration Results
Saskatoon, SK, October 5, 2022 – IsoEnergy Ltd. (“ IsoEnergy” or the “ Company”) (TSXV: ISO; OTCQX:
ISENF) is pleased to provide an update on the results of summer exploration work on its 100% owned
eastern Athabasca Basin uranium properties (Figure 1).
Highlights
Diamond drilling totalling 6,648 metres in 20 drill holes at the Larocque East, Trident and Geiger
projects
Airborne surveying at Evergreen, Spruce, East Rim, Full Moon, and Edge
Staking of nine claims totalling 4,349 hectares
Tim Gabruch, President and Chief Executive Officer commented: “IsoEnergy is very encouraged by the
results that were intersected at all three properties drilled this summer. These results, along with the
geophysical work undertaken, are providing highly valuable information as we plan systematic follow up
targets for the winter and broader 2023 exploration programs.”
Andy Carmichael, Vice President of Exploration commented: “At Larocque East, the Kernaghan trend was
upgraded by the intersection of a broad zone of pervasive basement alteration. This conductive trend has
been tested on a single fence within the project and is a high-priority follow-up exploration target. Results
at Trident exceeded our expectations with prospective graphitic structures being intersected in three
target areas, opening a significant amount of strike length for further exploration. Drilling at Geiger to
follow-up winter geophysical surveys intersected sandstone-hosted alteration and structure in both areas
and basement-hosted hydrothermal alteration at Q23. This fall, we look forward to receiving final
interpretations of the airborne geophysical survey work as well as the geochemical results from the
summer drilling to further refine 2023 exploration campaigns.”
Diamond Drilling
Larocque East Project
Six drill holes totalling 1,998m were completed on the Larocque Lake and Kernaghan Lake conductive
trends (Figure 2). In the Hurricane East area, located within two kilometres of the Hurricane Deposit, three
drill holes followed up strongly anomalous sandstone geochemistry and alteration intersected by previous
IsoEnergy drilling. Favourable alteration and structure were encountered but no mineralization was
intersected. On an underexplored section of the Larocque Lake trend in the eastern portion of the project,
one hole was drilled, LE22-142, which intersected weak to moderate alteration and structure in the upper
sandstone above graphitic basement. Follow-up will be guided by geochemical results. The remaining two
drill holes tested the Kernaghan trend where historical drilling intersected anomalous sandstone
geochemistry and defined over 40m of unconformity relief. Drill hole LE22-144, designed to locate a
structure inferred to be located between the two historical drill holes, intersected a broad zone of variable
argillization and hematization in the basement associated with faulting. Planning is underway to follow
up these results in 2023.
Trident Project
Six drill holes totalling 1,293m were completed at IsoEnergy’s Trident project. Drilling tested historically-
defined electromagnetic (EM) conductors hosted within zones of low magnetic susceptibility to evaluate
four target areas for the presence of structures. This first-pass drilling was successful, intersecting
prospective graphitic structures with brittle reactivation in three of the target areas and upgrading more
than 10km of conductive strike length. Geophysical surveying is planned for 2023 to prioritize sections of
strike for further drilling. Figure 3 shows the Trident target areas and 2022 drill hole locations.
Geiger Project
Eight holes totalling 3,357m were completed at Geiger to follow-up conductors identified by geophysical
surveys carried out in the Q23 and Q48 areas during the winter 2022 season (Figure 4).
Four holes completed in the Q23 area targeted moderate to strong conductors. GG22-31 intersected high-
strain graphitic gneiss and pervasive argillization which extends 55 metres into the basement and
completely overprints the regional paleoweathering profile. GG22-31 is located 4.5km south of the
radioactive intersection in drill hole ML22-006, recently announced by Fission 3.0 Corp. on the
neighboring Murphy Lake property. The Geiger project covers 3.4km of the interpreted strike between
GG22-31 and ML22-006.
Four holes were completed in the Q48 area, including a three-hole fence across the centre of the winter
2022 survey area. Sandstones in the central drill hole, GG22-34, are pervasively bleached with metre-to
decametre-scale zones of structure, desilicification, and clay alteration which increase in width and
strength toward the unconformity. Conductive rocks were intersected in the basement well below the
unconformity. In GG22-35, located 200m to the west, the upper 115m of sandstone is pervasively
bleached and contains zones of silicification and clay-lined fractures associated with abundant structures
including quartz-healed breccias. These results upgrade the central conductive trends at Q48.
Planning is underway to continue exploration of the Q23 and Q48 areas. Pending geochemical results will
guide follow-up.
Airborne Geophysical Surveying
Airborne geophysical surveying totalling more than 5,000 line-kilometres was completed over IsoEnergy’s
Evergreen, Spruce, East Rim, Full Moon and Edge projects in June and July (Figure 1). The survey utilized
Xcalibur’s FALCON® Airborne Gravity Gradiometer system to acquire high-resolution gravity gradient,
magnetic, and radiometric (spectrometry) datasets. Survey data were received in late August and
interpretation of results is underway. Gravity gradient and magnetic data are expected to improve
understanding of basement geology and assist in the identification of potential alteration zones, while
radiometric results will be followed up with ground-truthing to locate near-surface showings and
radioactive boulder trains such as those that led to the discovery of several notable uranium deposits
including Triple R and Key Lake.
Claim Staking
Nine claims totalling 4,349 hectares were recently staked in the Eastern Athabasca (Figure 1). Six of the
new claims were staked at Larocque East to cover an approximately 4km long interpreted western
extension of the Kernaghan Lake conductive trend and to link the Larocque East and Larocque West
projects. Two claims staked 16km northwest of the McArthur River Mine form the new Rapid River
Project, which is interpreted to cover approximately 2.5km of the Ens Lake conductive trend and a 3.5km
extension of the Fox Lake trend, host of the Fox Lake Deposit. One additional claim was staked to link the
Madison and 2Z projects.
Figure 1 – IsoEnergy Athabasca Projects
Figure 2 – Larocque East Drill Hole Locations
Figure 3 – Trident Drill Hole Locations
Figure 4 – Geiger Drill Hole Locations
Qualified Person Statement
Andy Carmichael, P.Geo., IsoEnergy’s Vice President, Exploration, is the “Qualified Person” (as defined in
NI 43-101 – Standards of Disclosure for Mineral Projects) for the Company and has validated and approved
the technical and scientific content of this news release. All radioactivity measurements reported herein
are total gamma from an RS-125 hand-held spectrometer. All chemical analyses are completed for the
Company by SRC Geoanalytical Laboratories in Saskatoon, SK. For additional information regarding the
Company’s Larocque East Project, including its quality assurance and quality control procedures applied
to the exploration work described in this news release, please see the Technical Report titled “Technical
Report on the Larocque East Project, Northern Saskatchewan, Canada” dated August 4, 2022, on the
Company’s profile at www.sedar.com.This news release refers to properties other than those in which
the Company has an interest. Mineralization on those other properties is not necessarily indicative of
mineralization on the Company’s properties.
About IsoEnergy
IsoEnergy is a well-funded uranium exploration and development company with a portfolio of prospective
projects in the infrastructure-rich eastern Athabasca Basin in Saskatchewan, Canada. In 2018, the
Company discovered the high-grade Hurricane Deposit on its 100% owned Larocque East property in the
Eastern Athabasca Basin. The Hurricane Deposit has Indicated Mineral Resources of 48.61 Million lb U3O8
based on 63,800 tonnes grading 34.5% U3O8 and Inferred Mineral Resources of 2.66 Million lb U3O8 based
on 54,300 tonnes grading 2.2% U 3O8 (July 8, 2022). The Hurricane Deposit is 100% owned by IsoEnergy
and is unencumbered from any royalties. IsoEnergy is led by a Board and Management team with a track
record of success in uranium exploration, development, and operations. The Company was founded and
is supported by the team at its major shareholder, NexGen Energy Ltd.
Tim Gabruch
President and Chief Executive Officer
IsoEnergy Ltd.
+1 306-261-6284
www.isoenergy.ca
Investor Relations
Kin Communications
+1 604 684 6730
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operating history of the Company, the influence of a large shareholder, alternative sources of energy and
uranium prices, aboriginal title and consultation issues, reliance on key management and other personnel,
actual results of exploration activities being different than anticipated, changes in exploration programs
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