Blue Star's Airborne Geophysical Program Highlights Compelling Critical Mineral Targets
Blue Star's Airborne Geophysical Program
Highlights Compelling Critical Mineral Targets
Vancouver, British Columbia--(Newsfile Corp. - November 13, 2025) - Blue Star Gold Corp. (TSXV:
BAU) (OTCQB: BAUFF) (FSE: 5WP0) ("Blue Star" or the "Company"), a leading explorer in Canada's
North, is pleased to announce the acquisition of new high-resolution SkyTEM airborne electromagnetic
(AEM) and magnetic survey data, which has highlighted several compelling critical mineral targets on its
Roma Project located in the West Kitikmeot Region, Nunavut (Figures 1 and 2).
The Roma Project covers portions of the High Lake Volcanic Belt, an Archean-aged greenstone belt
endowed with copper, zinc and gold-rich Volcanogenic Massive Sulphide (VMS) deposits. Blue Star's
current focus area is situated immediately adjacent to the High Lake Mining Leases, and the new
SkyTEM dataset has identified several discrete AEM anomalies within 3 km of the existing High Lake
deposit. The High Lake deposit consists of three separate mineralised zones that combined represent
an Indicated Resource of 7.9 Mt grading 3% Cu, 3.5% Zn, 0.32% Pb, 83 g/t Ag, and 1.3 g/t Au, and an
Inferred Resource of 6 Mt grading 1.8% Cu, 4.3% Zn, 0.41% Pb, 84 g/t Ag, and 1.3 g/t Au (MMG -
Mineral Resource and Ore Reserves Statement 2025).
Survey Highlights
A total of 2,450 hectares (242.6 km) of data was collected using the deep seeing SkyTEM 306HP
system across two key properties - the Roma MEA and Auma target areas
Multiple AEM anomalies were defined within 3 km of the High Lake deposit's 'West Zone' massive
sulphide lens
The AEM anomalies coincide with areas of known VMS-style surface mineralization and
hydrothermal alteration, including pronounced sodium depletion
At the Auma gold target, the survey confirmed the geophysical expression of known mineralized
trends and outlined additional conductive and magnetic targets extending 1.4 km along strike
"The new SkyTEM data has refined our understanding of the geology at both the Roma critical
mineral targets and Auma gold targets," said Grant Ewing, CEO of Blue Star Gold. "The conductivity
and magnetic responses define several new targets consistent with VMS-style mineralization near the
High Lake deposit, as well as extensions of gold mineralisation trends at Auma. These results support
our ongoing efforts to advance both critical mineral and gold discoveries across our highly
prospective Nunavut projects."
Roma Critical Metal Project Details: AEM Anomalies Near Historic Mineralization
The Roma project SkyTEM data has delineated a series of discrete electromagnetic (EM) anomalies
within favourable volcanic stratigraphy. These anomalies are spatially coincident with known sulphide
mineral showings and are interpreted as potential extensions or repetitions of the High Lake mineralized
horizon. The three highest priority targets include the Stu, West West, and South zones, with a fourth,
moderate priority zone at Cairo also warranting follow-up. No known drill holes have tested the newly
delineated anomalies.
At the Stu Prospect, the SkyTEM survey detected a moderate to strong conductive response partially
coincident with a moderate magnetic feature. Historical work at the Stu prospect has outlined a broad
alteration zone measuring approximately 200 by 300 metres, with intense silicification, sodium
depletion, and abundant dalmatianite. Historical grab samples returned grades of 5.96% and 4.76% Cu
(AR030105).
The West West Prospect, located less than two kilometres west of the High Lake Deposit West Zone,
exhibits a moderate conductive response with a limited magnetic signature. The area has an extensive
surface gossan with assays of 1.64% Cu and 1.10 g/t Au (AR030105, AR082986).
The South Prospect is defined by a strong, late-time electromagnetic anomaly that is coincident with a
magnetic anomaly. This target is located roughly four kilometres south of the High Lake Deposit D Zone,
along the same stratigraphic horizon, where abundant surface gossan occurs, with massive pyrite lenses
mapped at the surface (AR082986).
The Cairo area has the most promising surface mineralization. Historical rock samples have returned
assays of up to 9.99% Cu (AR030105), and recent 2025 grab samples have yielded 7.78% Cu and
4.20% Cu (News Release dated September 10, 2025). The known stringer style mineralization is hosted
within altered volcanic rocks, characteristic of a VMS system feeder zone. The SkyTEM survey data
shows a weak conductive and magnetic response at Cario.
Readers are cautioned that the Company has no interest in or right to acquire any interest in adjacent
properties and they are not indicative of mineral deposits on the Company's properties or any
potential exploration thereof.
Auma Gold Property:
Geophysical Correlation with Known Mineralization
At the Auma Property, the SkyTEM data confirmed the geophysical signature associated with the known
mineralized trends. In the main discovery area, high-grade gold mineralization is spatially coincident with
both magnetic and conductive anomalies. Recent 2025 surface grab samples from the main showing
graded 151.5 and 125.5 g/t Au, and samples collected 1.4 kilometres south of the main showing
returned assays of 35.5 g/t Au (News Release dated September 10, 2025) and occur in a zone
displaying similar geophysical characteristics to the known mineralization. The strong correlation
between the geophysical and geochemical results suggests potential for a significant increase in the
strike extent of the mineralization.
Next Steps
Interpretation of the SkyTEM data is ongoing and will include detailed Maxwell 3D plate modelling of the
most significant conductors to better define their geometry and depth. Priority targets identified through
modelling will be evaluated with a follow-up fixed loop ground EM survey to refine anomaly locations.
This ground EM program is planned during the 2026 spring season to utilize lake ice for full coverage.
The 2026 spring fixed loop survey program will also include work on the Ataani massive sulphide lens,
Blue Star's 2024 critical mineral discovery (News Releases dated September 5 and September 24,
2024). A geological mapping, prospecting, and sampling program focusing on the highest priority
geophysical trends is planned during the summer of 2026.
Results from both the geophysical and geological programs will be utilized to design an extensive drill
program to test the most promising targets.
About the SkyTEM Survey
The SkyTEM survey was undertaken in the Summer of 2025. Survey lines were 100 metres apart with tie
lines every 1,000 metres. Survey height for the EM coil and magnetics bird was approximately 35 - 45
metres above ground level. SkyTEM is a global leader in the field of airborne geophysics, delivering
state-of-the-art electromagnetic and magnetic survey solutions. Their expertise lies in offering high-
resolution subsurface data that supports a variety of applications, including mineral exploration.
References
Assessment Report 082986. Muntanion, H.R. 1991. Cairo 1 and 2 Claims. Report on Geology and
Geochemistry. BHP - Utah Mines Ltd. January 1991.
Assessment Report 030105. Toole, T et al. 2009.
High Lake Geological, Geophysical, Geochemical
and Drilling Report. OZ Minerals. January 2009.
Figure 1: Location of SkyTEM Survey on Blue Star's Landholdings.
To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2421/274258_75697474847329c9_002full.jpg
Figure 2: Roma Landholding Showing SkyTEM Data and Location of Prospective Conductive
Zones in Relation to Existing Sulphides Lenses of the High Lake VMS Deposit.
To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2421/274258_bluestar.jpg
Qualified Person
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.
Grays Bay Road and Port Project (Arctic Security Corridor)
West Kitikmeot Resources Corp (
https://www.westkit.ca/gbrp
) is the proponent for the Grays Bay Road
and Port Project. The project envisions a deepwater port built on the Coronation Gulf and a road
connecting Nunavut to the Northwest Territories. The proposed all-season road would travel within and
immediately adjacent to Blue Star's Projects, providing excellent accessibility. This future access will
dramatically lower the cost of doing business in the region, connecting Northern products to markets
around the world, and enabling supplies to reach the area at a lower cost, for a longer season, and with
greater reliability.
About Blue Star Gold Corp.
Blue Star is a mineral exploration and development company focused in Nunavut, Canada. Blue Star's
landholdings total 300 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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