Blue Star's Target Series: Central Prospect,
Blue Star's Target Series: Central Prospect,
+500 Metres of Strike, Extensive Discovery
Zone Below Shallow Mineralized Intercept,
Drill-Ready
Vancouver, British Columbia--(Newsfile Corp. - February 19, 2025) -
Blue Star Gold Corp. (TSXV:
BAU) (OTCQB: BAUFF) (FSE: 5WP0) ("Blue Star" or the "Company")
, a leading explorer in
Canada's North, announces the advancement of the Central prospect, a mineralized trend located less
than 300 metres from the high-grade Flood Zone deposit at the Ulu Gold Project, in the West Kitikmeot
Region of Nunavut.
Central Zone Highlights
Three zones of gold + acicular arsenopyrite mineralization extend over a 525-metre strike length,
suggesting abundant potential for a significant discovery
Located ~200 metres from underground development and mine infrastructure, and between the
Flood Zone and Nutaaq (Gnu) Zone mineral resource areas
Drill testing in 2022 intersected a 40-metre-wide zone of alteration grading 0.73 g/t Au near
surface
Advancements in understanding of the geological and structural setting indicates deeper drilling
would target the mineralized Central structures within the prospective A1-basalt unit
"The Central Prospect is shaping up to be a highly promising area" said Grant Ewing, CEO of Blue Star.
"The encouraging results from our past drilling and recent advancements in our geological and structural
understanding, suggest we may be closing in on a significant new resource area. We are eager to see
how this unfolds as we continue to explore its full potential."
Figure 1: Oblique Upward View Showing Inferred Central Target Sub-Parallel to Flood Zone Deposit.
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Discussion of the Central Prospect
The Central Zone target is located less than 300 metres from the high-grade Flood Zone deposit and
underground development area. Surface mineralization occurs over a 525-metre strike length and is
characterized by gold and acicular arsenopyrite bearing quartz veins, and calc-silicate alteration in mafic
volcanic host rocks. The known Central Zone mineralization occurs within silicified shear zones sub-
parallel to the existing Flood Zone deposit.
A 167-metre drill hole from 2022 (DD22-CEN-C-002) drilled into the Central-C structure intersecting a
40-metre-wide alteration zone which returned an average grade of 0.73 g/t Au, including 5.4 metres at
1.35 g/t Au, at a depth of 145 metres below surface. This type of low-grade alteration occurs as a multi-
metre halo around the high-grade Flood Zone mineralization and could indicate proximity to a significant
zone of mineralization at the Central target.
Historical Work
The Central Zone was first identified in the early 1990's by BHP, during the initial investigation of the
ULU claims. A field program consisting of mapping, soils, and geophysics (IP, magnetics, VLF-EM)
evaluated the ULU ground. Mapping and prospecting northeast of the Flood Zone deposit identified the
Axis, Central and East Zones of which the Central Zone contained three mineralized horizons (A, B and
C veins) characterized by silicification with acicular arsenopyrite and gold, with surface assays
commonly grading over 10 g/t Au.
Interpretations from the comprehensive 1991 geophysical program suggested the Flood Zone
mineralization has an associated magnetic signature and IP chargeability high. Similar geophysical
signatures occur in the southeastern portion of the Central target, proximal to the basalt-sediment
contact. BHP evaluated the strongest surface mineralization with five shallow drill holes during the 1990
and 1991 campaign, the deepest of which tested the Central Zone to a depth of ~130 metres below
surface. The best intercepts from the 1990 and 1991 Central Zone drilling returned 27.5 g/t Au over 1.09
metres and 21.75 g/t Au over 0.96 metres. These narrow but high-grade intercepts are encouraging.
Blue Star's Recent Work
The drilling in 2021 continued to test the Central Zone mineralization with four holes. These holes were
designed to systematically test the A, B, and C veins. The best results included 5.21 g/t Au over 3.0
metres from 21BSG-010, testing the Central-C vein. In 2022, three additional holes were drilled into the
Central-C target and returned the most promising results to date: 40 metres grading 0.73 g/t Au in a
biotite-actinolite alteration zone of silicified and brecciated basalt (NR Oct 25, 2022).
In addition to drilling, ongoing studies have significantly advanced the understanding of the Ulu Project. A
recent study deciphering the Flood Zone stratigraphy using lithogeochemistry has identified a highly
prospective basalt unit referred to internally as the 'A1' basalt, a high iron, high titanium, high zirconium
tholeiite. This A1 basalt unit hosts much of the Flood Zone mineralization, sits stratigraphically above
clastic sedimentary rocks and is capped by the A2 basalt unit, a high iron, high titanium tholeiite.
Detailed structural work conducted by Blue Star, including surficial mapping and downhole data review,
supports a re-interpretation of the Ulu fold structure. Once thought to be a north plunging symmetrical
anticline, newer data suggests the fold limbs are slightly overturned, with both west and east limbs
dipping steeply southwest.
A detailed airborne magnetic survey was flown over Blue Star's entire land package in 2022 and 2023.
A 3D inversion of the magnetics data helped characterize the magnetic signature of the Flood Zone
mineralization and surrounding targets. Ground based induced polarisation surveys in 2023 and 2024
have also characterised portions of the Flood Zone deposit.
Next Steps
Blue Star's advancement of the Ulu Gold Project understanding has highlighted several target areas that
warrant further work. In the Central Zone, the interpreted dip of the geological units and veining suggests
the mineralized structures will intersect the most prospective A1 basalt unit at depth, below the extent of
existing drilling. The refined structural interpretation of the Ulu anticline opens up an area southeast of the
Central target, a previously low priority area due to the proximity of the interpreted sediment contact at
depth. With limbs of the anticline now interpreted as sub-parallel and dipping steeply southwest,
abundant room exists within the A1 basalt to host significant mineralization. The geophysical signature in
this area has many of the characteristics of the Flood Zone mineralization, namely a moderate magnetic
signature, and a chargeability high as indicated by BHP's 1991 program. This area occurs over 250
metres of strike length and has not been drill tested. A 1,500-metre drill program would evaluate the
Central-C target both down dip and along strike.
Figure 2: Plan Map of the Central, Axis and East Prospect Areas Located Between the Flood Zone and
Nutaaq Zone Resource Areas.
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Figure 3: Location Map Showing Blue Star Gold's Extensive Land Package.
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Historical sampling is documented in the references within this news release and follows industry
standards as accepted at the time of the work; no review of the historical sampling was completed by the
Blue Star Qualified Person. Blue Star samples are as described in the referenced news release and
follow industry best practice QA/QC protocols.
Darren Lindsay, P. Geo. and Vice President Exploration for Blue Star, is a Qualified Person under
National Instrument 43-101 ("NI 43-101") and has reviewed and approved the technical information
contained in this news release.
About Blue Star Gold Corp.
Blue Star is a mineral exploration and development company focused in Nunavut, Canada. Blue Star's
landholdings total 290 square kilometres of highly prospective and underexplored mineral properties in
the High Lake Greenstone Belt. The Company owns the Ulu Gold Project, comprised of the Ulu Mining
Lease and Hood River Property, and the Roma Project. A significant high-grade gold resource exists at
the Flood Zone deposit (Ulu Mining Lease), and numerous high-potential exploration targets (gold and
critical minerals) occur throughout the Company's extensive landholdings, providing Blue Star with
excellent resource growth potential. The site of the future deep-water port at Grays Bay is 40 - 100 km to
the north of the properties, and the proposed route corridor for the all-weather Grays Bay Road passes
close by the Roma and Ulu Gold Projects.
Blue Star is listed on the TSX Venture Exchange under the symbol: BAU, the U.S. OTCQB Venture
Market under the symbol: BAUFF, and on the Frankfurt Exchange under the symbol: 5WP0. For
information on the Company and its projects, please visit our website:
www.bluestargold.ca
.
For further information, please contact:
Grant Ewing, P. Geo., CEO
Telephone: +1 778-379-1433
Email:
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.
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estimates of mineral resources and/or reserves on our mineral properties.
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