18:10:17 EDT Wed 24 Apr 2019
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IsoEnergy Ltd
Symbol C : ISO
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Close 2019-01-25 C$ 0.48
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IsoEnergy drills 1.5m of 20k cps radioactivity in Sask.

2019-01-28 06:14 ET - News Release

Mr. Craig Parry reports

ISOENERGY INTERSECTS STRONG URANIUM MINERALIZATION IN THE FIRST TWO FOLLOW-UP DRILL HOLES AT THE HURRICANE ZONE

IsoEnergy Ltd. has intersected intervals of strong (greater than 20,000 total counts per second 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-per-cent-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 stepouts on this section followed by drilling along strike."

Drill hole LE19-02

Drill hole LE19-02 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 (greater than 1,000 total counts per second on an RS-125 hand-held spectrometer) are summarized in the associated table and are shown on a cross-section on the company's website. They include a 2.0-metre-long zone of uranium mineralization perched in the sandstone and centred 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 to 330.0 metres that measures greater than 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 greater than 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 comprising two intervals that are listed in the associated table and are shown on the company's website. 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 greater than 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.

 
                    RADIOACTIVE INTERVALS
  
Hole ID       From       To     Length       RS-125 total CPS
               (m)      (m)        (m)
                                                 greater than
LE19-02      316.5    318.5        2.0                  1,000
                                                 greater than
and          319.5    320.0        0.5                  1,000
                                                 greater than
and          326.5    330.0        3.5                  1,000
                                                 greater than
incl.        328.5    330.0        1.5                 20,000
                                                 greater than
incl.        329.0    329.5        0.5                 50,000
                                                 greater than
LE19-03      324.0    324.5        0.5                  1,000
                                                 greater than
and          326.5    329.5        3.0                  1,000
                                                 greater than
incl.        328.5    329.5        1.0                  5,000
                                                 greater than
incl.        329.0    329.5        0.5                 20,000

Larocque East

Larocque East consists of six mineral claims totalling 3,200 hectares and was recently purchased in May, 2018. The property is owned 100 per cent 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 these are Cameco's Larocque Lake and Larocque North zones, which are located 6.5 kilometres and 0.4 kilometre, respectively, to the southwest of the western Larocque East property boundary. Drilling at the Larocque Lake zone has returned historic intersections of up to 29.9 per cent triuranium octoxide (U3O8) over 7.0 metres in drill hole Q22-040. Drilling at the Larocque North zone has returned intersections of up to 2.05 per cent U3O8 over 0.8 metre 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 historical holes have intersected weak uranium mineralization on the Larocque East property to date, including drill holes KER-07 (0.12 per cent U3O8 over 0.1 metre) and KER-11 (0.06 per cent 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 stepouts along strike. Off the back of a $5.5-million financing completed in December, 2018, the company is fully financed for the current drill program and subsequent follow-up in 2019.

Qualified person statement

The scientific and technical information contained in this news release was prepared by Steve Blower, PGeo, 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 holes 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 Ltd.

IsoEnergy is a well-financed uranium exploration and development company with a portfolio of prospective projects in the eastern Athabasca basin in Saskatchewan, Canada, and a historical inferred mineral resource estimate at the Mountain Lake uranium deposit in Nunavut. IsoEnergy is led by a board and management team with a 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.

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