Irving Resources, Inc. · CSE:IRV
Irving Resources — International Symposium of the Society of Resource Geology: Gold exploration in the circum (October 2021)
56 slides from Irving Resources's conference presentation, Oct 14, 2021
Slide 1: Recent breakthroughs and challenges in exploration of high-grade epithermal gold deposits, Omu project
Recent breakthroughs and challenges in the exploration of multiple high-grade epithermal gold deposits in Omu project, Hokkaido, Japan S. M. Frias, A. V. Cirineo, H. Takaoka, H. Harada and Q. Hennigh Irving Resources Japan GK 14 October 2021 International Symposium of the Society of Resource Geology
Slide 2: Gold Mining in Japan
Introduction Gold Mining in Japan Japan’s tectonic setting Affected by the interaction of 4 tectonic plates: Eurasian Plate, North American Plate (Okhotsk Microplate), Pacific Plate and Philippine Sea Plate A product of complex tectonic processes since the Paleozoic which involves subduction, accret
Slide 3: The Company
Introduction The Company Irving Resources Inc. A Canadian-based mineral exploration company with a focus on gold in Japan. Incorporated a 100% owned subsidiary named Irving Resources Japan GK in May 2016, which enables the Company to hold mining and exploration projects in Japan. Newmont Corporation
Slide 4: Kitami Metallogenic Province
Introduction Kitami Metallogenic Province Geology Underlain by Cretaceous to Paleogene sedimentary rocks of the Hidaka supergroup, and the Yubetsu Group and basaltic lavas of Nikoro Group (Yahata et al., 1988; Tajika and Yahata, 1991) Subduction of the Pacific Plate along the Eurasian Plate and Okho
Slide 5: Kitami Metallogenic Province
Introduction Kitami Metallogenic Province Gold deposits Located in the back-arc region of the present Kuril volcanic arc front (Watanabe, 1995) Ore deposits have K-Ar adularia and whole-rock alteration ages of 14.4-0.33 Ma (Watanabe, 1996; Yahata et al., 1996）， Historic precious metal production yie
Slide 6: The Omu Project
The Omu Project The company’s lead project is the Omu Project located in the town of Omu on Japan’s northern island of Hokkaido. The project is comprised of the 2.98 km2 Omui mining license and 56 prospecting licenses covering an additional 171.38 km2.
Slide 7: The Omu Project
The Omu Project Omui Prospect Elevation: ~150-220m asl Includes the Old Omui Mine, which produced 0.34t Au and 8.5t Ag (8000t of ore at a grade of 15-20 g/t Au, 400-500g/t from the Honpi vein (Honko area) from 1925 to 1928 (Jones and Lu, 1995) Hokuryu Prospect Elevation: ~150-485m asl Includes the o
Slide 8: Geology
The Omu Project Geology Host rocks Epithermal mineralization is mainly hosted in rhyolitic flows of Motoineppu lava (Suzuki et al., 1966) and andesitic flows, referred to as Propylite lava (Suzuki et al., 1966) Photomicrographs of rhyolite flow from Motoineppu Lava under PPL and XPL. Legend: qtz-qua
Slide 9: Exploration Methods
Exploration Methods Japan is an environmentally conscientious country. Exploration must be conducted in the utmost responsible manner, while building strong relations and trust with the local community, the academe, the mining and exploration industry, and the Japanese government.
Slide 10: Timeline of exploration activities
The Omu Project Timeline of exploration activities Whole Property Omu Sinter Omui Hokuryu Rock chip sampling Rock chip sampling 2016 121 samples 9 samples 2017 Reconnaissance Rock chip sampling Rock chip sampling Rock chip sampling geological survey 17 samples 248 samples 53 samples BLEG sampling Dr
Slide 11: Timeline of exploration activities (continued)
Whole Property Omu Sinter Omui Hokuryu Supplementary Rock chip sampling Rock chip sampling Rock chip sampling 2018 22 samples BLEG sampling 4 samples 38 samples 8 samples Drone LIDAR survey Drone LIDAR survey Soil sampling 0.31 km2 3.13 km2 47 samples Drone magnetics Drone magnetics survey survey 20
Slide 12: Timeline of exploration activities (continued)
Whole Property Omu Sinter Omui Hokuryu Diamond drilling (Phase 2) Diamond drilling (Phase 2) Gravity Survey 2020 5 holes, 2132.7m 9 holes, 4277.12m Rock chip sampling Rock chip sampling Rock chip sampling 2021 81 samples 13 samples 80 samples Diamond drilling (Phase 3) Soil sampling Soil sampling 4
Slide 13: Our facilities
The Omu Project Our facilities Irving Office Core Cutting Room Located in Omu Town in Connected to Core Shed 1 front of Omu Town Office and Core Shed 2 for streamlined drill core processing Core Shed 1 Core Shed 2 Drill core processing and Drill core sampling and logging area packing area Large capa
Slide 14: Our drilling partners
The Omu Project Our drilling partners Omu Sinter Omui Hokuryu Contractor: Mitsui Mineral Development Contractor: Mitsui Mineral Development Contractor: Sumiko Resources Exploration & Engineering Co., Ltd. (MINDECO) Engineering Co., Ltd. (MINDECO) Development Co., Ltd. (SRED) Drilling Company: Rodren
Slide 15: Our core processing
The Omu Project Our core processing Core orientation at the drilling site Delivery from drilling site to core Core processing at the core shed shed Core orientation is meticulously done at the To preserve the integrity of the core and the Mineralization is mainly hosted in veins which drilling site
Slide 16: Regional Exploration Results
Regional Exploration Results Regional surveys covering the three main prospects of the Omu Project involved regional geologic mapping, gravity and magnetics survey and stream sediment sampling (BLEG).
Slide 17: Silica Sinter
Regional Exploration Silica Sinter Mapping Discovered a silica sinter outcrop in Omu Sinter Prospect in 2016 No silica sinter outcrop was mapped in Omui Prospect and Hokuryu Prospect, however, silica sinter float samples were found in several areas A promising exploration tool Mineralized with Au, A
Slide 18: Gold content of silica sinter
Regional Exploration Gold content of silica sinter 888 280 494 716 2021 | Irving Resources Japan GK 18
Slide 19: Trace element composition of silica sinter in New Zealand and Japan
Regional Exploration Trace element composition of silica sinter in New Zealand and Japan Deposit Au Ag As Sb Hg Li Cs Rb Mn Black Jack 0.007 0.024 14.70 28.60 1.08 19.00 0.37 0.31 13.30 Kohuamuri 0.003 1.335 4.59 86.00 0.09 151.50 10.45 6.43 35.30 Diggers Creek <0.001 0.075 3.93 4.66 0.02 2.90 0.10
Slide 20: Gravity survey
Regional Exploration Gravity survey Graben-bounding structures 3 prospects sit atop or on the edges of gravity highs • Reflect shallowly buried dense basement rocks Bouguer gravity horizontal gradient clearly highlights graben-bounding structures • NE-trending gravity low extending across the area B
Slide 21: Magnetics survey
Regional Exploration Magnetics survey Terrain After recognizing the challenge of undertaking surface survey in dense vegetation, MINDECO completed the engineering and construction of a drone-based magnetics system Hydrothermal alteration A 9km long NNE-trending low magnetic zone is interpreted as hy
Slide 22: BLEG survey
Regional Exploration BLEG survey Au, Ag, As, Hg, Sb anomalies Omui Mine and Hokuryu Mine display well-defined Au, Ag, As, Hg and Sb anomalies Au anomalies in Hokuryu extend over a wide area while in Omui, they appear to be open to the east and southeast Residual downstream anomalies are observed fro
Slide 23: Omu Sinter
Omu Sinter The Omu Sinter prospect was discovered by Irving Resources in 2016 during a district reconnaissance along a 1km-long steep slope on the eastern margin of a NE-trending valley. Recent exploration efforts aim to find the related epithermal mineralization to this outcropping mineralized sint
Slide 24: Omu Sinter Prospect
Omu Sinter Prospect Omu Sinter North Omu Sinter South Features several outcrops of intensely silicified With several outcrops of alternating layers of rhyolite, breccia and volcaniclastic deposit laminated and brecciated silica sinter 2021 | Irving Resources Japan GK 24
Slide 25: Surface Geology: Omu Sinter North
Omu Sinter North Surface Geology Intensely silicified outcrops Features several outcrops of intensely silicified rhyolite, breccia and volcaniclastic deposits (shallow silicification, about the same elevation as the sinter in the south) Fine fractures found in the rocks can be conduits for silicific
Slide 26: Surface Geology: Omu Sinter South
Omu Sinter South Surface Geology Silica sinter outcrops Several outcrops of alternating laminated and brecciated silica sinters (similar to McLaughlin) correspond to multiple events of sealing and pressure-build up (Hedenquist, pers. comm, 2020) • Step-like features (terracettes) indicate fluid flow
Slide 27: Soil Geochemistry and Magnetics Survey
Omu Sinter Prospect Soil Geochemistry and Magnetics Survey Hydrothermal alteration Marine Delta and incursions? A plot of residual magnetic intensity shows paleo-marine a profound NNE-trending zone of low environment magnetism where hydrothermal alteration has obliterated traces of magnetite in volc
Slide 28: CSAMT/AMT Survey
Omu Sinter Prospect CSAMT/AMT Survey Omu Sinter North Beneath the silicified outcrop at the northern part of the prospect • Coinciding with a broad magnetic low • Features a broad conductive zone • Initially interpreted as (1) a zone of clay-alteration, (2) a zone of silicification with extensive cl
Slide 29: Geology
Omu Sinter Prospect Geology Omu Sinter North Drilled under the silicified rock outcrops within low magnetic and broad conductive zone Intersected a (1) ~140m-thick SSW NNE variably silicified and/or kaolinite ± smectite-altered rhyolite flows (2) mineralized silica –clay matrix breccia body, (3) sev
Slide 30: Mineralization
Omu Sinter Prospect Mineralization Omu Sinter North Mineralization is hosted in silica-clay matrix breccias containing quartz-sulfide vein fragments (up to 14.55 g/t Au), possible remnant of what was SSW SSW NNE NNE blown apart by hydrothermal activity or structure-related? Also hosted in post-brecc
Slide 31: Mineralization: Omu Sinter North
Omu Sinter North Mineralization Clay Matrix Breccia Composed of silica matrix breccia clasts, quartz vein clasts, altered lithic clasts surrounded by clay matrix (possibly structure-related) Clay matrix breccia in 20OMS-001 from 189.00-189.5m (14.55ppm Au, 213 ppm Ag, 281ppm As, 196.5ppm Sb) Silica
Slide 32: Mineralization: Omu Sinter South
Omu Sinter South Mineralization Silica Sinter Usually finely laminated, sometimes with cinnabar 3 cm Finely laminated silica sinter in 20OMS-002 from 34.23-34.45m (1.025ppm Au, 9.72ppm Ag, 236ppm Sb), from 34.45-35.05m (0.969ppm Au, 6.78ppm Ag, 345ppm Sb) Silica Matrix Breccia Composed of silica sin
Slide 33: Omui
Omui The Omui prospect includes the historical Omui Mine, Sakinyama placer deposit and its surrounding vicinity. Recent exploration efforts aim to find extensions of the Honpi vein network in Honko, as well as other mineralized veins and hydrothermal breccias in Nanko and Sakinyama located southeast
Slide 34: Omui Prospect
Omui Prospect Historical Mine Placer gold was first recognized on the property in the early 1890’s. Early miners, discovered a Au-bearing vein outcropping on the ridge to the east of Shimonosawa Creek placer workings (Honpi vein) In 1921, an adit was driven to test this vein. In 1925 Fujita Mining C
Slide 35: Mineralization
Omui Prospect Mineralization Honpi-style veins With brecciated texture, composed of small subangular black to brown banded quartz vein clasts(up to few cm) surrounded by tan to gray/white silica matrix Ore minerals (electrum, ginguro, stephanite) are found in both clast and matrix Honpi-style vein f
Slide 36: Trenching
Omui Prospect Trenching Limited outcropping mineralization Four trenches totaling 453.13m was developed across Honko and Nanko Trench 3 at Honpi (looking South) Trench 4 at Nanko (looking South) Pit excavated by local prospector, Mr. Masaru Nanjo, exposing the high grade ore veins (2 or more mineral
Slide 37: Soil Geochemistry and Magnetic Survey
Omui Prospect Soil Geochemistry and Magnetic Survey Complex network of low magnetic intensity Corresponding to magnetite-destruction due to hydrothermal alteration NW-trending low magnetic zone from Nanko to Honko is parallel to the gravity gradient highlighting a graben-bounding fault Au anomalies
Slide 38: CSAMT/AMT Survey
Omui Prospect CSAMT/AMT Survey Honko Old Omui workings which trace the main Honpi vein coincide with low resistivity zone Vein zones and hydrothermal breccia zones mapped in Trenches 1-3 coincide with well-defined high resistivity features Nanko Trench 4 at Nanko coincides with several well-defined
Slide 39: Omui-Honko Geology
Omui-Honko Geology Host rocks 7 shallow drillholes (less than 150m) were drilled towards the north of the Honko to test the extension of the main Honpi vein and the 7 other reported veins N S 3 deep drillholes (up to 768.70m) were drilled towards the south of Honko to test the mineralization towards
Slide 40: Omui-Honko Mineralization
Omui-Honko Mineralization Veins and silica matrix breccias Mineralization is observed in both shallow and deeper levels N S 2021 | Irving Resources Japan GK 40
Slide 41: Omui-Honko Mineralization
Omui-Honko Mineralization Quartz veins and silica matrix breccias Mineralization in the shallower levels is dominated by ginguro- and electrum-bearing massive, lattice-bladed, crustiform quartz- FeOx veins (up to 125g/t Au) and multiphase silica matrix breccias (up to 9.3 g/t Au) Honpi-style quartz
Slide 42: Omui-Honko Mineralization
Omui-Honko Mineralization Carbonate-silica veins and carbonate matrix breccias Lattice-bladed to crustiform silica- replaced carbonate veins (up to 9.17 g/t Au) and barren carbonate stringers were intersected in deeper levels. Some intervals contain lattice- bladed carbonate crystals with Carbonate-
Slide 43: Omui-Nanko Geology
Omui-Nanko Geology Host rocks The area is overlain by volcaniclastic rocks which is underlain by sequences of andesitic tuff and andesite flows SSW NNE Flowbanding in andesite flows and bedding in volcaniclastic rocks are subhorizontal to moderately dipping Alteration at the shallow level is dominat
Slide 44: Omui-Nanko Mineralization
Omui-Nanko Mineralization Veins and silica matrix breccias Mineralization is observed in both shallow and deeper levels SSW NNE 2021 | Irving Resources Japan GK 44
Slide 45: Omui-Nanko Mineralization
Omui-Nanko Mineralization Quartz veins Mineralization in the shallower levels is dominated by ginguro- and electrum-bearing massive, lattice-bladed, crustiform quartz- FeOx veins (up to 20.5g/t Au, 572 g/t Ag) A thick crustiform/colloform quartz vein was intersected in 20OMI-003 from 208-220m (up to
Slide 46: Omui-Nanko Mineralization
Omui-Nanko Mineralization Silica matrix breccia Multiphase silica matrix breccias (up to 56.1 g/t Au, 1435 g/t Ag) May contain quartz vein clasts, altered lithic clasts, surrounded by dark gray silica matrix Silica matrix breccia with quartz vein clasts in 20OMI-003 from 342.2-342.8m (56.1ppm Au, 14
Slide 47: Hokuryu
Hokuryu The Hokuryu prospect hosts a robust hydrothermal system with great potential for a widespread high-grade gold mineralization coinciding with the historical Hokuryu Au-Ag Mine and its vicinity, Maruyama and Daihoku prospects.
Slide 48: Hokuryu Mine
Hokuryu Mine Historical Mine Located 12km southwest of Omu Town Present Day Discovered in 1918 by Ryosuke Segawa of Sapporo who obtained drilling rights (MMIJ, 1990) Kuhara Mining Co. (later Nihon Mining Co.) started exploration work in 1926, bought exploration Photo courtesy of Nihon Kougyou Kabush
Slide 49: Hokuryu Prospect
Hokuryu Prospect Hokuryu Mine Includes the old Hokuryu mine and the immediate vicinity Mineralization is hosted in parallel quartz veinlets • C vein: trending NE-SW, extending 240m along strike , more than 210m down dip (7-29 g/t Au) • No. 1 vein: trending E-W, extending 320m along strike, 160m down
Slide 50: Hokuryu Prospect Geology
Hokuryu Prospect Geology Host rocks Hokuryu and Maruyama are underlain by thick sequences of altered flowbanded rhyolite Current drilling in Hokuryu intercepted almost 135m of variably silicified flowbanded rhyolite with patches of spherulites At the peak of Maruyama, several outcrops of silicified
Slide 51: Hokuryu Prospect Mineralization
Hokuryu Prospect Mineralization Quartz veins Vein float samples were collected around the Hokuryu prospect, most of them exhibiting crustiform to colloform textures, with milky white to black bands (associated with ginguro) 10cm 10cm Crustiform quartz vein with ginguro Crustiform quartz vein with gi
Slide 52: Soil Geochemistry and Gravity Survey
Hokuryu Prospect Soil Geochemistry and Gravity Survey Hokuryu Mine Maruyama North Sinter prospect Widespread soil Au anomalies coinciding with gravity high features Au anomalies are open northwards to Maruyama and southward to Daihoku Maruyama Widespread soil anomalies associated with breccia-pipe s
Slide 53: CSAMT/AMT Survey and Drilling
Hokuryu Prospect CSAMT/AMT Survey and Drilling Hokuryu Mine The only area in the Hokuryu prospect with CSAMT data (13 lines) and current drilling activity A CSAMT resistivity section shows a feature similar to Omui, with a high-resistivity horizon, starting at the present surface and with a flat-lyi
Slide 54: Future Work
Future Work Whole Property Omu Sinter Omui Hokuryu Diamond drilling (Phase 4) Continuation of Continuation of 2022 Still in planning stage Diamond drilling Diamond drilling (Phase 3) (Phase 1) 6 holes, 2350m 8 holes, 4150m Trenching CSAMT survey CSAMT survey 2021 | Irving Resources Japan GK 54
Slide 55: Thank you.
Thank you.
Slide 56: Head Office, Tokyo Office, Omu Project Office
Head Office Tokyo Office Omu Project Office 999 Canada Place, Suite 404 Tokyo Club Building 11F 678-1 Aza Omu Vancouver, BC, Canada V6C 3E2 1-3-11 Kasumigaseki, Chiyoda Ku, Omu Town, Monbetsu County, Email: Info@IRVresources.com Tokyo, Japan 100-0013. Hokkaido, Japan 098-1702 Tel: 604-682-3234 Tel: