Slide 1: Unlocking the North Eastern Flank of the Yandal Belt
‘Unlocking the North Eastern Flank of the Yandal Belt’ For personal use only Technical Presentation STK Presentation | Technical Presentation | February 2023
Slide 2: Disclaimer
Disclaimer For personal use only Forward Looking Statements: This presentation has been prepared by Strickland Metals Limited (STK). The information contained in this presentation is a professional opinion only and is given in good faith. Certain information in this document has been derived from th
Slide 3: Project Overview: Geological Setting
Project Overview For personal use only Geological Setting • The Yandal East Project (“the Project”) encompasses the eastern flank of the Yandal Greenstone Belt in the northeastern Yilgarn • 120km of prospective greenstone belt • Current resource base spans 6km of strike, >100km remaining largely unt
Slide 4: Project Overview: Geological Setting
Project Overview For personal use only Geological Setting • Late Archean cross-cutting NE-trending brittle faults are an important control on gold mineralisation • The NE-trending late brittle faults transect major N-S structural zones, such as the Millrose and Nimary splays of the Celia Shear Zone
Slide 5: Project Overview: Location
Project Overview For personal use only Location • The Project is adjacent to Northern Star’s Yandal Production Centre • Less than 30km east of the Jundee gold mine and 20km north of the Julius gold mine. • The largest Strickland Metals gold resource, Millrose Gold Deposit, is located approximately 9
Slide 6: Project Overview: Resource Base
Project Overview For personal use only Resource Base • Mineral resource estimates exist at the Millrose, Horse Well, and Dusk ‘til Dawn Deposits • Less than 6km of the total 120km strike length is covered by resource estimate • Seven drill-ready advanced exploration targets at Millrose West, Cowza,
Slide 7: Project Overview: Resource Base
Project Overview For personal use only Resource Base • Current resource base of 11.7 Mt at 1.6 g/t Au for a contained total of 603 koz1 • An updated resource estimate for the Millrose Gold Deposit, including the newly discovered Wanamaker and Central lodes, is expected Q2 2023 1. Refer to ASX releas
Slide 8: Millrose
Millrose Gold Deposit For personal use only 8 www.stricklandmetals.com.au
Slide 9: Millrose Overview
Millrose Gold Deposit For personal use only Overview • Mineralisation occurs in silicified (± carbonate) rocks on the contact between felsic volcanic sediments and mafic schists • Intersection point between the ductile (Celia) shear zone and brittle NE-trending faults • Sedimentary iron formation ac
Slide 10: Millrose Overview
Millrose Gold Deposit For personal use only Overview • The entire >6 km strike length of the Millrose Gold Deposit is mineralised • 3.2km long strike length of continuous oxide mineralisation • Higher-grade north-plunging lodes repeat across the strike length of the Millrose Gold Deposit Long Sectio
Slide 11: Millrose: Controls on Mineralisation
Millrose Gold Deposit For personal use only Controls on Mineralisation D2 ductile folding control on the distribution of gold mineralisation: • Northward plunge, hence repeating high-grade lodes • Rheology contrast for enhanced gold-bearing fluid permeation • Gold preferentially precipitated freely
Slide 12: Millrose Metallurgy
Millrose – Micro XRF Millrose Gold Deposit For personal use only Metallurgy • µXRF work shows that gold is free (non-refractory) and hosted in D2 folding and D3 cross-cutting vein sets • Metallurgical test work in 2016 confirmed rapid gold recoveries with most the gold extracted within 24 hours. Aft
Slide 13: Millrose 2022 Assay Highlights
Millrose Gold Deposit For personal use only 2022 Assay Highlights Millrose North: Wanamaker: ➢ MRDD006: 59m @ 1.9g/t Au from 141m incl 9m @ 3.1g/t Au from 141m ➢ MRRC329: 7m @ 22.2g/t Au from 72m ➢ MRDD008: 95.5m @ 2.0g/t Au from 176.5m incl 8m @ 14.6g/t Au from 215m ➢ MRRC347: 5m @ 14.5g/t Au from
Slide 14: Millrose Resource Expansion: Overview
Millrose Gold Deposit For personal use only Resource Expansion: Overview Millrose Target Type Criteria Region • 2022 drilling highlighted knowledge gaps in the historic Wanamaker Supergene Oxide Oxide open to the east and west. Add oxide ounces to the understanding of mineralisation, including: nort
Slide 15: Millrose Resource Expansion: Overview
Millrose Gold Deposit For personal use only Resource Expansion: Overview • Oxide resource growth at Wanamaker and Central will aid in drawing down the depth of pit optimisation at Millrose by adding gold ounces in the early stages of pit development, and de-risking the stripping of depleted clay zon
Slide 16: Resource Expansion: North/Wanamaker
Millrose Gold Deposit For personal use only Resource Expansion: North/Wanamaker • Millrose North mineralisation remains open at depth: ➢ MRDD044: 92.9m @ 1.0g/t Au from 315m, incl. 15.9m @ 2.7g/t Au from 315m. • The Wanamaker Lode has returned bonanza grades across all domains: ➢ MRRC329: 7m @ 22.2g
Slide 17: Resource Expansion: North Fault Zone
Millrose Gold Deposit For personal use only Resource Expansion: North Fault Zone • Drilling in 2022 by Strickland returned high-grade results, open at depth: ➢ MRRC145: 5m @ 3.4g/t Au from 82 m ➢ MRRC146W: 9m @ 2.0g/t Au from 39m, and 21m @ 2.0g/t Au from 168m • Shallow target for additional ounces
Slide 18: Resource Expansion: Central
Millrose Gold Deposit For personal use only Resource Expansion: Central • Millrose Central mineralisation remains open at depth: ➢ MRRC098D: 17.7m @ 1.5g/t Au from 205.6m ➢ MRDD013: 46 m @ 1.0g/t Au from 148m • Shallow oxide mineralisation remains open, with potential for de-risking the early-stage
Slide 19: Resource Expansion: West Corridor
Millrose Gold Deposit For personal use only Resource Expansion: West Corridor • 200m west of the Millrose deposit footprint, 3km underexplored strike length • High-grade gold mineralisation along sheared contact of volcaniclastics and granitoid: ➢ AMILA058: 4m @ 902g/t Au from 40m ➢ AMILC001: 32m @
Slide 20: Resource Expansion: South
Millrose Gold Deposit For personal use only Resource Expansion: South • High-grade oxide mineralisation over a strike length of 800m: ➢ MRRC117D: 7m @ 1.4g/t Au from 40m, and 9m @ 1.1g/t Au from 69m ➢ MRRC119: 5m @ 2.4g/t Au from 36m • Minimal drilling conducted into primary lode: ➢ MSRC115: 5m @ 1.
Slide 21: Horse Well
Horse Well Gold Deposit For personal use only 21 www.stricklandmetals.com.au
Slide 22: Horse Well Overview: Horse Deposits
Horse Well Gold Deposit For personal use only Overview: Horse Deposits • Total inferred resource of 150 koz with a total oxide component of ~80 koz @ 1.9g/t Au1 • Geological and geochemical controls on mineralisation are poorly constrained; historic assays were limited to gold only • No structural c
Slide 23: Horse Well Resource Expansion: Overview
Horse Well Gold Deposit For personal use only Resource Expansion: Overview • Three drill-ready advanced targets in areas of proven mineralisation: Bronco, Clydesdale and Filly • Five exploration targets within Horse Region • Near-surface mineralisation providing a pathway to significant resource gro
Slide 24: Horse Well Resource Expansion: Clydesdale
Horse Well Gold Deposit For personal use only Resource Expansion: Clydesdale • Sheared basalt host with stacked, repeating, 15 m thick, NW-striking lodes, open at depth • Near-surface well developed oxide mineralisation to the ~50m deep BOCO • 2km of strike length remains to be successfully tested w
Slide 25: Horse Well Resource Expansion: Bronco
Horse Well Gold Deposit For personal use only Resource Expansion: Bronco • High-grade, near-surface oxide mineralisation to the ~70m deep BOCO • Multiple stacked lodes apparent in the deepest drillhole HWRC251, open and increasing grade with depth • 1.3km of strike length (Bronco Trend) remains to b
Slide 26: Horse Well Resource Expansion: Filly North
Horse Well Gold Deposit For personal use only Resource Expansion: Filly North • 1.6km northward-trending mineralised corridor • High-grade, near-surface oxide mineralisation to the ~65m deep BOCO • No structural or geochemical controls determined from current drilling • Key intercepts include: • HWR
Slide 27: Horse Well Exploration Targets: Horse North
Horse Well Gold Deposit For personal use only Exploration Targets: Horse North Pony: • Sheared metasediment-granodiorite contact with 600m strike length of oxide mineralisation: ➢ HWRAC324: 4m @ 2.0g/t Au from 0m ➢ HWRAB372: 16m @ 1.0g/t Au from 36m ➢ HWRAB913: 12m @ 1.1g/t Au from 68m Mustang: • Sh
Slide 28: Horse Well Exploration Targets: Horse North
Horse Well Gold Deposit For personal use only Exploration Targets: Horse North Colt: • Steeply dipping, multiple stacked shears over 900 m strike • Shallow oxide mineralisation and deep regolith profile: ➢ HWRAB372: 16m @ 1.0g/t Au from 36m (oxide) ➢ HWRAB913: 12m @ 1.1g/t Au from 68m (oxide) ➢ HWRC
Slide 29: Dusk 'til Dawn Deposit
Dusk ‘til Dawn Deposit For personal use only 29 www.stricklandmetals.com.au
Slide 30: Dusk 'til Dawn Deposit: Overview
Dusk ‘til Dawn Deposit For personal use only Overview • Mineral resource at the Dusk ‘til Dawn deposit of 109 koz • Historic resource incorrectly modelled due to poor constraints on geology and structural architecture • Re-modelling and follow-up drilling by Strickland has delineated a southeast plu
Slide 31: Dusk 'til Dawn Deposit: Overview
Dusk ‘til Dawn Deposit For personal use only Overview • Inner biotite-rich alteration zone suggests the region has experienced significant fluid flow • Interpreted to be a broad, post-peak metamorphic hydrothermal (potassic) alteration zone • INNER ZONE: (gold associated): biotite, calcic plagioclas
Slide 32: Dusk 'til Dawn Resource Expansion: Overview
Dusk ‘til Dawn Deposit For personal use only Resource Expansion: Overview • Dusk ‘til Dawn offers expansive shallow oxide along strike • Crack ‘o Dawn Prospect and multiple look-a-like gravity anomalies within the mapped alteration corridor from Dusk ‘til Dawn • All deposits remain open at depth and
Slide 33: Dusk 'til Dawn Regional
Yandal Prospects For personal use only Dusk ‘til Dawn Regional • Major alteration corridors, identified by Strickland in 2021, coincident with gold anomalism in historic drilling • Gravity features potentially associated with pyrite, which at Dusk ‘til Dawn has a very close association with gold • U
Slide 34: Dusk 'til Dawn Regional
Yandal Prospects For personal use only Dusk ‘til Dawn Regional Django: • Two shear corridors, each >1.2km in strike length • Multiple, stacked shallow dipping lodes (DTD analogy) • High grade shallow oxide: ➢ HWAC112: 8m @ 4.2g/t Au from 48m ➢ DJRC001: 14m @ 1.1g/t Au from 55m Crack o’ Dawn: • High
Slide 35: Yandal Advanced Projects
Yandal Advanced Projects For personal use only 35 www.stricklandmetals.com.au
Slide 36: Cowza-Ward Trend
Yandal Advanced Projects For personal use only Cowza-Ward Trend • Beyond Millrose and Horse Well, Strickland has additional Advanced Exploration Projects: Cowza, Mizina, and Ward • 31km strike length encompassing the poorly defined and shallow drilling at Cowza, Mizina and Ward, and the exploration
Slide 37: Ward
Yandal Advanced Projects For personal use only Ward Ward North: • Structurally-complex zone of NE-structures intercepting multiple splays of the Celia SZ and highly-altered ultramafic intrusions • Two zones of supergene gold mineralisation: ➢ RCMR005: 65m @ 1.0g/t Au from 41m incl. 10m @ 3.8g/t Au f
Slide 38: Mizina
Yandal Advanced Projects For personal use only Mizina • Opportunity for shallow oxide resource growth to the Yandal East resource base at relatively low cost • At-surface and shallow oxide mineralisation, and proven primary lode: ➢ GMRC06-0007: 4m @ 2.51g/t Au from 0m (laterite) ➢ YEAC0290: 4m @ 2.3
Slide 39: Cowza
Yandal Advanced Projects For personal use only Cowza • Opportunity for immediate resource growth 20 km from the Horse Well resource base • Two areas of gold anomalism over 1 km strike length, with a structural break dividing them • Extensive, high-grade supergene mineralisation is present, such as:
Slide 40: Yandal Concepts
Yandal Concepts For personal use only 40 www.stricklandmetals.com.au
Slide 41: Halley's Trend
Yandal Concepts For personal use only Analogous Goanna position Halley’s Trend • 8km-long gold anomaly mapped by AC drilling Analogous • Coherent Au-Bi-Te-Sb anomalism along the western margin Granny of the mafic granite position • Not yet drill-tested favourable flexures in the granodiorite- sedime
Slide 42: Baxter's, McGrath, McHugh
Yandal Concepts For personal use only Baxter’s, McGrath, McHugh • All located within 6km of the Millrose deposit footprint Baxter’s Greenstone: • Volcanic-dominated greenstone terrane with ultramafic and McHugh sedimentary successions; typical of greenstone orogenic gold mineralisation McGrath McGra
Slide 43: Quartz Well, Snake Well, Yorrick
Yandal Concepts For personal use only Quartz Well, Snake Well, Yorrick • All located within 10km of Millrose Quartz Well • Potential for thick oxide mineralisation; deep BOCO • Smoky-milky quartz veining was intercepted in every RAB/AC hole drilled over the region. • Highly sheared, North-striking l
Slide 44: Avies
Yandal Concepts For personal use only Avies • Located 2km west of Ward along the eastern margin of the Baxter’s Regional greenstone block, also coincident with the Red Lake Fault • Historic drilling intercepted 11m @ 1.2g/t Au from 49m (to Lag Samples coded by gold grade EOH) • No follow-up drilling
Slide 45: Thank you.
For personal use only Thank you. 45