Arcwest Exploration Inc. · TSXV:AWX
Arcwest Exploration — Technical Presentation (June 2025)
24 slides from Arcwest Exploration's technical presentation, June 2025
Slide 1: Oweegee Copper-Gold Project
Oweegee Copper-Gold Project Delta Target June 2025
Slide 2: Cautionary and Forward-Looking Statement Information
Cautionary and Forward-Looking Statement Information This presentation includes certain statements that may be deemed "forward-looking statements". All such statements, other than statements of historical facts that address exploration drilling, exploitation activities and other related events or de
Slide 3: ArcWest's Golden Triangle Assets: Todd Creek and Oweegee
ArcWest’s Golden Triangle Assets: Todd Creek and Oweegee Saddle North ArcWest’s two large land packages in Red Chris B.C.’s Golden Triangle are close to one of GJ the world’s largest clusters of unmined gold-copper deposits (Seabridge’s KSM project) and several producing and past- Schaft Creek produ
Slide 4: Oweegee Cu-Au Project – Porphyry Country
Oweegee Cu-Au Project – Porphyry Country The 31,000 hectare Oweegee Cu-Au Project is 45 km east of the supergiant KSM porphyry deposits (Seabridge) and covers a structural culmination Tarn exposing Stikine Terrane volcanics and intrusive rocks (Skowill below Bowser Lake Group sediments. Creek) The r
Slide 5: Delta-Snowpatch-Bear Valley Porphyry System
Delta-Snowpatch-Bear Valley Porphyry System The Deltaic Creek area is underlain by a highly Upper underexplored porphyry Cu-Au system of Bear significant size with predominantly breccia-hosted Valley Lower Cu-Au mineralization over an area of at least 10 Bear square km. Valley Snowpatch Molloy The p
Slide 6: Delta Zone: Cu-Au Mineralized Breccias
Delta Zone: Cu-Au Mineralized Breccias Exploration in 2022 showed that Cu-Au mineralization in the Delta and Molloy Zones is associated with a Unconformity large diorite to monzonite breccia complex (pink and orange colors in map opposite). Altered intrusive rocks in the Molloy Zone have been dated
Slide 7: Delta Zone: Huge breccia zone dips beneath unconformity
Delta Zone: Huge breccia zone dips beneath unconformity Sectional view of the Delta Zone looking west across the Bear Valley. Photo shows the north dipping zone of intensely altered diorite breccia containing rafts of siltstone and monzonite, intruding Stuhini Group volcaniclastics and unconformably
Slide 8: Delta Zone: OW22-08 Mineralized Breccias
Delta Zone: OW22-08 Mineralized Breccias Delta Zone Cu-Au mineralization is hosted in variably brecciated and altered monzonite to diorite, diorite breccia, polymictic Q breccia and diorite porphyry. Alteration is moderate to intense phyllic (sericite-pyrite-quartz) and in places causes total textur
Slide 9: Delta Zone: DC07-03 Mineralized Breccias
Delta Zone: DC07-03 Mineralized Breccias 61m: 0.59 g/t Au, 0.07% Cu. Polymictic breccia sulfide-quartz 86.5m: 0.59 g/t Au, 0.11% Cu. QSP altered breccia matrix with sulfide clasts. 141m: 0.18 g/t Au, 0.2% Cu. QSP altered breccia with porphyry style 127m: 0.14 g/t Au, 0.15% Cu QSP altered intrusion w
Slide 10: Molloy Zone
Molloy Zone The Molloy Zone contains the highest grade surface porphyry Cu-Au mineralization in the Deltaic Creek area: a 145 x 40m zone of sheeted porphyry-style quartz-chalcopyrite “A” veins averaging 0.83 g/t Au, 0.343% Cu and 4.2 g/t Ag (15 samples) – outlined in red above. The zone is hosted by
Slide 11: Molloy Zone: Porphyry Cu-Au veins
Molloy Zone: Porphyry Cu-Au veins Stockwork qtz-cp “A” veins, 0.36% Cu, Stockwork qtz-cp “A” veins, 0.83% Cu, Sheeted qtz-cp “A” veins, 0.71% Cu, 0.70 g/t Au (sample 420171) 2.37 g/t Au, 16.2 g/t Ag (sample 420023) 1.12 g/t Au (sample 420169) Polymetallic hydrothermal breccia, Sheeted qtz-cp “A” vei
Slide 12: Molloy Zone: A veins and Mineralized Breccias
Molloy Zone: A veins and Mineralized Breccias OW22-06 13m: 0.11 g/t Au, 0.11% Cu qtz-sulfide stockwork in monzonite OW22-04 12m: 0.51 g/t Au, 0.44% Cu qtz-sulfide stockwork in monzonite OW22-07 51.4m: 0.11 g/t Au, 0.03% Cu OW22-04 28.1m: 0.16 g/t Au, 0.05% Cu Breccia zone at crowded porphyry-monzoni
Slide 13: Upper East Bear Valley: New Cu-Au Porphyry Discovery
Upper East Bear Valley: New Cu-Au Porphyry Discovery A newly discovered zone of Cu-Au mineralized “A” and “B”-style porphyry stockwork veining returning assays up to 0.42% Cu and 0.44 g/t Au was mapped on the east side of Bear Valley 1.3 km NE of the Upper Delta Zone in 2022. East Bear The Upper Eas
Slide 14: Upper East Bear Valley: New Cu-Au Porphyry Discovery
Upper East Bear Valley: New Cu-Au Porphyry Discovery OW22LJ0230 (J000046) OW22LJ0267 (J000179) 0.12% Cu, 0.1 g/t Au 0.21% Cu, 0.21 g/t Au Polymictic breccia containing Weakly potassic altered monzonite clasts with truncated “B” veins clast in breccia with QSP altered matrix; 400m S of main UEB outcr
Slide 15: Snowpatch Zone: Breccias, Dykes and Untested IP Anomalies
Snowpatch Zone: Breccias, Dykes and Untested IP Anomalies On the west side of the Delta porphyry system, the Snowpatch Zone contains dykes and intrusive breccias mapped over 1 km, associated with poorly sorted angular conglomerates or phreatic breccias locally Hazelton Gp containing mineralized intr
Slide 16: Snowpatch Zone: Breccias in Outcrop and Drill Core
Snowpatch Zone: Breccias in Outcrop and Drill Core 289.5m 305m Chaotic angular breccias/conglomerate, east side of Snowpatch Creek OW22-12 290-309m: Polymictic breccias 0.115 g/t Au, 379 ppm Cu 389.5m OW22-12 410-414m Polymictic breccia 0.11 g/t Au, 573 ppm Cu Strongly potassic (albite-Kspar-quartz-
Slide 17: Oweegee: Untested IP chargeability targets
Oweegee: Untested IP chargeability targets The shallow Crescent and deep Junction IP chargeability targets were tested by drill holes in 2024. Significant mineralization was intersected only in the Crescent target. The remaining shallow IP targets Jack Creek and Snowpatch in the 1.8 km gap between d
Slide 18: Oweegee: Alteration Centers (SWIR Data)
Oweegee: Alteration Centers (SWIR Data) Extensive analyses of SWIR spectral data shows two large areas of QSP (quartz- sericite/white mica-pyrite) to SCP (sericite/white mica-chlorite-pyrite) alteration in the southern (Delta-Bear Tarn Valley) and northern (Tarn-Skowill Creek) parts of the property.
Slide 19: Tarn (Skowill Creek): Geology of an Underexplored Porphyry Target
Tarn (Skowill Creek): Geology of an Underexplored Porphyry Target In the northern part of Oweegee, 2022 mapping at the Tarn Zone outlined a zone of leached QSP altered porphyry dykes and breccias Mag High which overlaps a 2 km long dyke- Lower like mag high. Hazelton Group The dykes intrude an Upper
Slide 20: Tarn (Skowill Creek): Alteration in an Underexplored Porphyry Target
Tarn (Skowill Creek): Alteration in an Underexplored Porphyry Target A 1.5 km long zone of strong QSP to sericite-chlorite alteration extends along the north side of the mapped extent of porphyry dykes. SWIR analysis of white micas has defined a central zone of <2200 nm peaks, indicative of highly a
Slide 21: Tarn (Skowill Creek): Geochemical Zonation
Tarn (Skowill Creek): Geochemical Zonation Rock geochemistry at Tarn defines a clear geochemical zonation around the zone of altered porphyry. A central zone of elevated Au returned anomalous values up to 0.78 g/t. Cu-Zn-Sb- This is contained within a broad, 1.5 Au-Mo-Te km long zone of anomalous Cu
Slide 22: Tarn (Skowill Creek)
Tarn (Skowill Creek) 424155: 0.33 g/t Au 420322: 3.5 ppm Te 424158: 0.11 g/t Au, 142 ppm Cu, 379 ppm Pb 424157: 0.78 g/t Au 424993: 0.13 g/t Au, 52 ppm As, 26 ppm Mo, 360 ppm Zn
Slide 23: Tarn (Skowill Creek)
Tarn (Skowill Creek) 420044: massive sulfide replacement; 2920 ppm As, 420323: 54 ppm Mo, 0.274% Cu, 29 ppm Sb, 0.85% Zn 29 ppm Tl 420326: 342 ppm Cu 420120 ser-py altered 424321: intrusion; 47 ppb Au, 57 ppb Au, 132 ppm As, 7.3 g/t Ag, 224 ppm Cu, 147 ppm As, 7.8 ppm Sb, 9.3 ppm Sb 2.8 ppm Te
Slide 24: Oweegee Cu-Au Project: Summary
Oweegee Cu-Au Project: Summary Exploration at Oweegee Dome has outlined two main targets. In the southern part of the property, the Deltaic Creek area comprises a number of Late Triassic Cu-Au porphyry and breccia occurrences over an area of approximately 10 square kilometres. Drilling and mapping h
ArcWest Exploration — Technical Presentation (June 2025) on 6ix