02Snapshot

The asset.

Location
40 km W of Hwy 91450 km NE of Patuanak, SK
Property size
10,490 hafour MC licenses
Licenses
MC00018830 · MC00018836
MC00018838 · MC00018844
Geology
Wollaston‑Mudjatic transitionPorter Lake dome
Deposit models
Rossing‑type granitoid+ classic fault‑hosted
Status
Subject to a property optionAurwest is the optionee
Athabasca Basin peer operations map showing Porter Lake property to the south-west
Athabasca peer operations · Porter Lake property circled south‑west. Source: company technical reports (2024–2026).
Aurwest Porter Lake 2025 grid survey — eU (ppm)
2025 grid survey, eU (ppm) · Porter Creek, Blackstone & Dragon zones · NAD83(CSRS) UTM 13N · 1:125,000.

03The targets

Three targets, three independent stories.

Each target has its own geological merit, historical evidence, and a defined Phase 2 drill allocation.

 
Porter Creek
Blackstone
Dragon
Target profile
Rossing‑type granitoid
Dual‑threat
granitoid + conductor
Dual‑threat
granitoid + conductor
Hero historical grade
0.58% U₃O₈
1979–80 trench
0.20% U₃O₈
over 1 ft, 1950s drill
0.90% U₃O₈
rock sample
RAMP‑HD 2025 finding
Continuous U/Th in exposed granitoid
U mapped along 1970s EM conductors
U/Th on granitoid and along the lake edge
Phase 2 drill
1,000 m
750 m
750 m

04The geology

Two deposit models, one property.

Porter Lake hosts both classic Athabasca fault‑hosted targets and large‑scale Rossing‑type granitoid targets.

A
Rossing‑type granitoid

Large scale, low‑to‑medium grade.

Uranium hosted in large granitic formations. Global Rossing‑type deposits typically grade 0.04–0.07% U₃O₈. Porter Creek surface samples already grade up to 0.58% U₃O₈ — an order of magnitude above the global Rossing range — across a 2.9 km exposed granitoid corridor.

B
Fault‑hosted (Athabasca)

The classic high‑grade discovery model.

Concentrated uranium along shear zones, faults and electromagnetic conductors. Historical EM conductors run through Blackstone and Dragon. 1950s drilling at Blackstone hit 0.20% U₃O₈ over 1 ft but missed the main conductor. RAMP‑HD 2025 mapped uranium directly along that conductor.

05De‑risking · RAMP‑HD

10→3

Helicopter‑borne gamma‑ray spectrometry mapping U, Th and K signatures at 50 m grids. Zero ground footprint. Survey completed September 2025. Aurwest steps in past the airborne phase — three drill‑ready targets in hand.

RAMP-HD radiometric, Porter Creek
Porter Creek
Rossing‑type

Continuous U / Th signatures in exposed granitoid along a 2.9 km corridor.

RAMP-HD radiometric, Blackstone
Blackstone
Conductor

Uranium mapped directly along the EM conductor the 1950s drill missed.

RAMP-HD radiometric, Dragon
Dragon
Dual

Granitoid + lake‑edge anomalies on a max‑min conductor.

06Weaver Lake · British Columbia

Gold‑silver optionality on a high‑grade orogenic vein system.

Optioned from Pacific Bay Minerals (TSXV: PBM). Aurwest can earn up to 50% over three years.

Peak Au
63.77g/t · trench sample
Peak Ag
2,009g/t · trench sample
Property size
725 haEast Harrison Lake Belt
Earn‑in
50% / 3 yrscash, shares & work commitment
Operator
Pacific Bay MineralsTSXV: PBM
Access
Year‑roundpaved highway + forestry road
01
Transaction

Optioned from Pacific Bay Minerals.

Definitive option and joint venture agreement executed April 14, 2026. Aurwest can earn up to a 50% undivided interest over three years through cash payments, share issuances, and exploration work commitments. Upon Aurwest satisfying all option payments and work commitments, the parties automatically form a 50/50 joint venture.

02
Geology & setting

East Harrison Lake Belt, BC.

Orogenic gold‑silver mineralization in structurally controlled quartz‑carbonate vein systems. Multi‑gram Au/Ag drill intercepts over metre‑scale widths; trench sampling up to 63.77 g/t Au and 2,009 g/t Ag. Secondary upside in magmatic Ni‑Cu sulphide (Pacific Nickel / Giant Mascot analogue).

The full technical storyin our corporate deck.

Maps, grades, RAMP‑HD imagery and the work plan. Detailed targets, peer reserves, and capital structure.

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