IsoEnergy Intersects Strong Uranium Mineralization in the First Two Follow-Up Drill Holes at the Hurricane Zone
IsoEnergy Intersects Strong Uranium Mineralization in the First Two
Follow-Up Drill Holes at the Hurricane Zone
Vancouver, BC, January 28, 2019 – IsoEnergy Ltd. (“IsoEnergy” or the “Company”) (TSXV: ISO; OTCQX: ISENF)
is pleased to announce that it has intersected intervals of strong (>20,000 total cps on an RS -125 hand-held
spectrometer) uranium mineralization at the Hurricane zone in the first two drill holes following-up last
summer’s intersection in drill hole LE18-01A. The Hurricane zone is a new discovery of high -grade uranium
mineralization on the Company’s 100% owned Larocque East property in the eastern Athabasca Basin of
northern Saskatchewan.
Drilling Highlights
• Both of the first two follow-up drill holes have intersected strong uranium mineralization
• The Hurricane zone is continuous and at least 25 metres wide on the discovery cross-section
• Eight drill holes remain to be drilled in the current program
Craig Parry, Chief Executive Officer commented: “I’m pleased to announce this very successful start to follow-
up drilling at our Hurricane Zone discovery in the prolific Eastern Athabasca Basin of Saskatchewan. With the
uranium price continuing to show strength and catalysts for rising prices continuing to develop we are in an
ideal position – drilling high-grade uranium in an environment of improving market conditions.”
Steve Blower, Vice President of Exploration commented: “The uranium intersections in drill holes LE19-02 and
LE19-03 demonstrate that the Hurricane zone is continuous across at least three drill holes on the discovery
section and is at least 25 metres wide, with much room for growth. We will continue to systematically evaluate
the potential for expansion with additional step-outs on this section followed by drilling along-strike.”
Drill Hole LE19-02
Drill hole LE1 9-02 was designed to evaluate the potential for expansion of the Hurricane zone 12.5 metres
north of the discovery drill hole LE18-01A. After penetrating 44 metres of overburden, drill hole LE19-02 cored
Athabasca sandstone to 329 metres and then basement metasedimentary gneiss to the end of the hole at 425
metres. Substantial uranium mineralization was intersected in the drill hole, demonstrating that the zone
extends at least 12.5 metres to the north of LE18-01A. The radioactive intervals (>1000 total cps on an RS-125
hand-held spectrometer) are summarized in Table 1 and are shown on a cross section in Figure 2. They include
a 2.0-metre-long zone of uranium mineralization perched in the sandstone and centered about 10 metres
above the unconformity, and a 3.5-metre-long zone of uranium mineralization that straddles the sub -
Athabasca unconformity . Mineralization includes fracture controlled and disseminated pitchblende with
hematite and clay. Within the lower interval is a 1.5-metre-long subinterval of strong radioactivity from 328.5-
330.0 metres that measures >20,000 cps on the RS-125. Within the 1.5-metre-long subinterval is a 0.5-metre-
long zone of dark grey to black semi -massive uranium mineralization that measures >50,000 cps (RS-125).
Basement rocks immediately beneath the mineralization consist of bleached and clay-rich graphitic cordierite
augen gneiss with two major fault zones that correlate well with large cataclasite faults intersected in drill hole
LE18-01A.
Drill Hole LE19-03
Designed to evaluate the potential for expansion of the Hurricane zone 12.5 metres south of the discovery
intersection, drill hole LE19-03 penetrated similar lengths of overburden and Athabasca sandstone as drill hole
LE19-02, described above. LE19-03 also intersected substantial amounts of uranium mineralization comprised
of two intervals that are listed in Table 1 and are shown on Figure 2. These include a 3.0 metre intersection
immediately above the sub-Athabasca unconformity that correlates with the main intersections in drill holes
LE18-01A and LE19 -02 and includes a 0.5-metre-long interval of strong radioactivity at the base of the
intersection that measures >20,000 cps (RS-125). These results demonstrate that the Hurricane zone extends
at least 12.5 metres south of drill hole LE18-01A and has a minimum width on this cross-section of 25 metres.
Table 1 – Radioactive Intervals
Hole-ID From (m) To (m) Length (m) RS-125 Total CPS
LE19-02 316.5 318.5 2.0 >1000
and 319.5 320.0 0.5 >1000
and 326.5 330.0 3.5 >1000
incl. 328.5 330.0 1.5 >20,000
incl. 329.0 329.5 0.5 >50,000
LE19-03 324.0 324.5 0.5 >1,000
and 326.5 329.5 3.0 >1,000
Incl. 328.5 329.5 1.0 >5,000
incl. 329.0 329.5 0.5 >20,000
Larocque East
Larocque East consists of 6 mineral claims totaling 3,200 hectares and was recently purchased in May, 2018.
The Property is owned 100% by IsoEnergy and is not encumbered by any royalties or other interests. Larocque
East is immediately adjacent to the north end of IsoEnergy’s Geiger property and is 35 kilometres northwest of
Orano Canada’s McClean Lake uranium mine and mill.
The Property covers a 15-kilometre-long northeast extension of the Larocque Lake conductor system; a trend
of graphitic metasedimentary basement rocks that is associated with significant uranium mineralization in
several occurrences to the southwest of the Larocque East property . The closest of th ese are Cameco’s
Larocque Lake and Larocque North zones, which are located 6.5 kilometres and 0.4 kilometres, respectively, to
the southwest of the western Larocque East p roperty boundary. Drilling at the Larocque Lake zone has
returned historic intersections of up to 29.9% U 3O8 over 7.0 metres in drill hole Q22 -040. Drilling at the
Larocque North zone has returned intersections of up to 2.05% U3O8 over 0.8 metres in drill hole Q22-16. Like
the nearby Geiger property, Larocque East is located adjacent to the Wollaston -Mudjatik transition zone - a
major crustal suture related to most of the major uranium deposits in the eastern Athabasca Basin.
Importantly, the sandstone cover is thin, ranging between 140 metres and 330 metres in previous drilling.
A total of 23 historical drill holes have been completed on the Property along approximately 22 kilometres of
graphitic conductors. Five of the histo rical holes have intersected weak uranium mineralization on the
Larocque East property to date, including drill holes KER-07 (0.12% U 3O8 over 0.1 metre) and K ER-11 (0.06%
U3O8 over 0.5 metre) near the western property boundary, within the general vicinity of the Hurricane zone.
Next Steps
Drill holes LE19-02 and LE19-03 are the first of a planned 10 drill holes that will be completed over the next
four to five weeks. Geochemical results from these drill holes are expected within six weeks. The remainder
of the current drill program will consist of additional fence holes on the LE18-01A cross-section followed by
step-outs along-strike. Off the back of a $5.5M financing completed in December, 2018, the company is fully
funded for the current drill program and subsequent follow-up in 2019.
Figure 1 – Larocque East Property Location Map
Figure 2 – Cross-Section Through Drill Holes LE19-02, LE19-03 and LE18-01A
Qualified Person Statement
The scientific and technical information contained in this news release was prepared by Steve Blower, P.Geo.,
IsoEnergy’s Vice President, Exploration, who is a “qualified person” (as defined in National Instrument 43-101
– Standards of Disclosure for Mineral Projects). Mr. Blower has verified the data disclosed. 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. An RS-125 hand-held
spectrometer was used to verify that the radioactivity is due to uranium. As drill hole s LE19-02 and LE19-03
were drilled vertically and the mineralization is interpreted to be horizontal, the true thickness is expected to
equal the cored intervals.
About IsoEnergy
IsoEnergy is a well -funded uranium exploration and development company with a portfolio of prospective
projects in the eastern Athabasca Basin in Saskatchewan, Canada and a historic inferred mineral resource
estimate at the Mountain Lake uranium deposit in Nunavut. 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.
Craig Parry
Chief Executive Officer
IsoEnergy Ltd.
+1 778 379 3211
www.isoenergy.ca
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www.isoenergy.ca
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