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Exceptional High Grade Iron Ore at Valley Bore
Alchemy Resources Limited (ASX: ALY) (“Alchemy” or “the Company”) is pleased to provide an update on its exploration activities at the 100% owned Bryah Basin Project in Western Australia. Recent work has confirmed the Valley Bore prospect target is highly prospective for Iron Ore. Mapping and sampling by Alchemy in 2008 and 2009 discovered high grade hematite and banded iron outcrops over 2km in strike and up to 66.3% Fe+1 & 2. Recent rock-chip sampling by Alchemy returned similar high grades up to 65.9% Fe. Alchemy believes the combination of high-grade outcropping hematite mineralisation on a granted mining lease near major roads and infrastructure highlights the significant near-term development potential of the project.
HIGHLIGHTS
- Significant high grade iron ore enrichment identified on Alchemy’s Bryah tenement package. Alchemy owns 50% of iron ore rights via wholly owned subsidiary Alchemy Resources (Three Rivers) Pty Ltd.
- High grade rock-chip assays from Valley Bore return grades up to 64.9% Fe with Calcined Fe grades up to 67.4% Fe.
- Total strike length of multiple mapped BIF ridges exceeds 2,000m with new regional areas recently identified with grades up to 65.9% Fe which could extend this further.
- Southern Ridge Target high grade hematite outcrops range from 10m to 80m thickness over a 900m strike.
- Planning for drill testing of the high-grade iron formations underway.
- Alchemy remains well funded with cash on hand of $3.5m as at 31 March 2024.
Figure 1: Valley Bore mapping, showing hematite outcrops and rock-chip assays (% Fe)
Chief Executive Officer Mr James Wilson commented: “Iron ore rock-chip grades above 58% Fe are very encouraging and highlight the DSO potential of the project. It’s an exciting opportunity with our leases surrounded by majors in the sector such as Sinosteel Midwest Corporation to the south. Hematite outcrops are evident over a 900m strike extent at the Southern Ridge target, and we have high grade rock-chip assays from new areas 3km away, so there’s a lot of potential to grow the project. Furthermore, Alchemy has identified a second iron ore occurrence at Old Highway Prospect which has the potential to add further scale. With its proximity to the Great Northern Highway and its advanced Mining Permit status, the Company believes there’s a significant opportunity to rapidly advance this asset in the near term.”
+ Cautionary Statement: The Company cautions investors that the reported historical assay results by Alchemy Resources Limited are from prior public exploration reports. The Competent Person has not done sufficient work to disclose the Exploration Results in accordance with the JORC Code 2012, and it is possible that following further evaluation and/or exploration work that the confidence in the prior reported Exploration Results may be reduced when reported under the JORC Code 2012. The information in the market announcement is an accurate representation of the available data and studies completed to date. All historical information in this release has been compiled from historic data reported by the Company to the ASX on 25 July 2008 – “Assay results of high-grade hematite iron formation at Robinson Range” and a second announcement released to the ASX on 15 May 2009 – “Alchemy enhances potential for high grade iron formation at Three Rivers”. Information is considered as historical by nature, and while all care has been taken to review previous reports, sufficient ground testing and confirmation work is yet to be fully completed.
Click here for the full ASX Release
This article includes content from Alchemy Resources, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Jindalee Lithium
Overview
Jindalee Lithium (ASX:JLL,OTCQX:JNDAF) is an Australia-based exploration and development company advancing North America’s largest lithium deposit. After a spinout of its Australian assets, Jindalee has become a pure-play lithium company focused exclusively on its promising 100-percent-owned McDermitt project. Jindalee recognises the vast opportunity for lithium projects in the US as the country progresses towards its sustainable energy transition and developing a robust domestic supply chain for critical minerals.
As the US strives to transition to clean energy, demand for lithium will continue to increase as this critical mineral is necessary to achieve the country’s net-zero goals. With its favorable mining policies and infrastructure, the US actively supports the advancement of new projects to strengthen its domestic supply chain.Jindalee’s McDermitt asset, located in southeast Oregon, contains a unique type of lithium mineralisation. Most lithium projects in North America are lithium brine or pegmatite deposits; however, the McDermitt project is an unconventional sediment-hosted lithium asset.
Sediment-hosted lithium deposits such as McDermitt are long-life assets with low strip ratios and low mining costs. Jindalee can leverage this advantage over other lithium assets, both in terms of reaching production faster and reducing operating expenses.
There is currently no commercially operating sediment-hosted lithium project in North America. Two recently announced projects, however, are under development and demonstrate McDermitt’s future trajectory as both companies move toward production.
The 2023 mineral resources estimate (MRE) for McDermitt contains a combined indicated and inferred mineral resource inventory of 3 billion tons at 1,340 parts per million (ppm) lithium for a total of 21.5 million tons (Mt) lithium carbonate equivalent (LCE) at 1,000 ppm cut-off grade. At 21.5 Mt LCE, McDermitt is the largest lithium deposit in the US by contained lithium in mineral resource, and a globally significant resource, with the deposit remaining open to the west and south.
In June 2023, Jindalee commenced a pre-feasibility study (PFS) on the McDermitt Lithium Project appointing Fluor Corporation as lead engineer. The company expects completion of the PFS by mid-2024. Jindalee also announced initial metallurgical results from acid leaching of the beneficiated samples of McDermitt ore. Lithium extraction from composite samples averaged 93 percent (250 micron (µm)) and 94 percent (75 µm) while lithium extraction from all units exceeded 98 percent with higher acid additions.
In a move that signifies the US government's support of the McDermitt lithium project, the US Department of Energy's Ames National Laboratory signed a Cooperative Research and Development Agreement with Jindalee's subsidiary HiTech Minerals to develop cutting-edge extraction methods for the McDermitt project. The Ames National Laboratory spearhead the DOE's Critical Materials Innovation Hub
An experienced management team, with the right blend of experience and expertise in geology, corporate administration and international finance, leads Jindalee to fully capitalise on the potential of its assets.
Company Highlights
- Jindalee Lithium is a pure-play lithium exploration and development company focusing on its flagship McDermitt lithium project, currently the largest lithium deposit in North America.
- The United States has ambitious electrification goals but lacks the critical minerals to reach them. Jindalee aims to strengthen the North American supply chain to enable the country to reach net-zero emissions targets.
- Globally, most of the lithium is currently sourced from either pegmatite or lithium brine deposits. The company’s McDermitt deposit, however, is sediment-hosted, an emerging style of lithium deposit with the potential to be a long-life, low-cost source of lithium.
- There are presently no sediment-hosted lithium assets in North America that have reached production. Jindalee is ideally positioned to help fill this void in the market.
- Other companies in North America are moving towards production, and their progress indicates Jindalee’s future trajectory.
- An experienced management team leads Jindalee towards capitalising on the potential of its assets.
Key Project
McDermitt Lithium Project
The McDermitt Project is located in Malheur County on the Oregon-Nevada border and is approximately 35 kilometres west of the town of McDermitt. The 100-percent-owned asset covers 54.6 square kilometres of claims at the northern end of the McDermitt volcanic caldera. Following positive results from its 2022 drill campaign, the resource at McDermitt has increased to 21.5 Mt LCE, making McDermitt the largest lithium deposit in North America.
Project Highlights:
- Rare Sediment-hosted Lithium Deposits: The McDermitt asset supports low-cost mining operations due to its flat-lying sediments. This type of lithium deposit is amenable to low-cost mining operations, while still producing excellent metallurgical results.
- Resource Increased by 62 percent early 2023: Compilation of the 2022 drilling results saw the estimated indicated and inferred resources at McDermitt increase to 3 billion tons at 1,340 ppm lithium, a 62 percent increase in contained lithium. The updated resource released by the company contains a combined indicated and inferred total of 21.5 Mt LCE at 1,000 ppm cut-off grade.
- Memorandum of Understanding (MOU) with POSCO Holdings: Jindalee entered into an MOU with POSCO Holdings (NYSE:PKX), under which POSCO will fund metallurgical testwork on McDermitt ore and undertake joint research for the asset. POSCO is partnering with General Motors to supply cathode active material (including lithium) for its electric vehicles.
- Fluor recommended processing route: In March 2023, US engineering group Fluor reviewed all testwork undertaken at McDermitt and recommended beneficiation and acid leaching as the optimal processing route.
- Highly encouraging metallurgical testwork: Results from beneficiation and acid leaching tests have exceeded expectations. Beneficiation testwork completed in late 2023 (on sample representing a nominal life-of-mine average feed) recovered 92 percent of the lithium to leach feed and rejected 25.3 percent of the mass at a cut size of 250 µm. Additionally the acid leach test work announced in early 2024 demonstrated very high lithium extraction rates on beneficiated ore. Specifically, the calculated lithium extraction for a composite sample using 250 µm leach feed was 92.9 percent which compares favourably with the extraction rate (94 percent) achieved through testwork from the finer (75 µm) leach feed using 500 kg/t acid. Further testwork is now underway.
- PFS in progress: Jindalee has appointed Fluor Corporation to commence the PFS for McDermitt, set to be completed by mid-2024.
Management Team
Ian Rodger - Chief Executive Officer
Ian Rodger is a qualified mining business executive with almost 15 years of experience in various roles including as a mining engineer for Rio Tinto across two large greenfield mine developments, before successfully transitioning into mining corporate finance where he held Executive and Director positions at RFC Ambrian overseeing origination and management of numerous mandates across a range of corporate advisory roles. Rodger was the project director for Oz Minerals (ASX:OZL) where he made significant contributions to successfully define the value potential of the West Musgrave nickel/copper province through the delivery of a portfolio of growth studies. Most notably, he led technical, market and partnership development workstreams, successfully confirming value potential for producing an intermediate Nickel product for the battery value chain.
Rodger holds a Bachelor of Mining Engineering from the University of Queensland, a Masters of Mineral Economics from Curtin University and is also a graduate of the Australian Institute of Company Directors and member of the Australasian Institute of Mining and Metallurgy.
Lindsay Dudfield - Executive Director
Lindsay Dudfield is a geologist with over 40 years of experience in multi-commodity exploration, primarily within Australia. He held senior positions with the mineral divisions of Amoco and Exxon. In 1987, he became a founding director of Dalrymple Resources NL and spent the following eight years helping acquire and explore Dalrymple’s properties, leading to several greenfield discoveries. In late 1994, Lindsay joined the board of Horizon Mining NL (Jindalee Lithium’s predecessor) and has been responsible for managing Jindalee Lithium since inception. Lindsay is a member of the Australasian Institute of Mining and Metallurgy, the Australian Institute of Geoscientists, the Geological Society of Australia and the Society of Economic Geologists. He is also a non-executive director of Jindalee spin-out companies Energy Metals (ASX:EME), Dynamic Metals (ASX:DYM) and Alchemy Resources (ASX:ALY).
Wayne Zekulich - Non-executive Chair
Wayne Zekulich was appointed to the board as Chair on 1 February 2024. He holds a Bachelor of Business and is a fellow of the Institute of Chartered Accountants. Zekulich is a consultant and non-executive director who has substantial experience in advising, structuring and financing transactions in the infrastructure and resources sectors. He was previously the head of Rothschild in Perth, chief financial officer of Gindalbie Metals Limited, chief development officer of Oakajee Port and Rail and a consultant to a global investment bank. Currently, he is chair of Pantoro Limited (ASX:PNR) and non-executive director of the Western Australian Treasury Corporation. In the not-for-profit sector, he is the past chair of the Lester Prize and is a mentor in the Kilfinan program.
Darren Wates - Non-executive Director
Darren Wates is a corporate lawyer with over 23 years of experience in equity capital markets, mergers and acquisitions, resources, project acquisitions/divestments and corporate governance gained through private practice and in-house roles in Western Australia. Wates is the founder and principal of Corpex Legal, a Perth-based legal practice providing corporate, commercial and resources related legal services, primarily to small and mid-cap ASX listed companies. In this role, he has provided consulting general counsel services to ASX listed company Neometals (ASX:NMT) since 2016, having previously been employed as legal counsel of Neometals. Wates holds Bachelor's degrees in Law and Commerce and a Graduate Diploma in Applied Finance and Investment.
Paul Brown - Non-executive Director
Paul Brown has over 23 years of experience in the mining industry, most recently with Mineral Resources (ASX:MIN) where he was chief executive – lithium, and chief executive – commodities. Brown has held senior operating roles with Leighton, HWE and Fortescue (ASX:FMG) and has a strong track record in technical leadership, project/studies management, and mine planning and management. Brown is currently CEO of Hastings Technology Metals (ASX:HAS). He holds a Master in Mine Engineering.
Brett Marsh - VP Geology and Development (US)
Brett Marsh is an AIPG certified professional geologist and a registered member of the Society for Mining, Metallurgy and Exploration (SME) with over 25 years of diverse mining and geological experience. He has worked for and held senior leadership roles for Kastan Mining, Luna Gold, Kiska Metals, Newmont, Freeport-McMoRan, Phelps Dodge, ASARCO and consulted to deliver numerous NI 43-101 technical reports. Marsh has demonstrated the ability to deliver results in culturally diverse and geographically difficult environments, such as Brazil, Peru, Chile, Democratic Republic of Congo, Ghana, Tanzania, Indonesia, Australia, and has also worked in remote areas of Alaska. He has managed all phases of the mining lifecycle including greenfield and brownfield exploration, project development (including preliminary economic assessments, pre-feasibility and feasibility), project construction, mine operations, and environmental. He successfully led multi-cultural teams to develop business processes and implementation plans for many mine development and operational projects.
Carly Terzanidis - Company Secretary
Carly Terzanidis has 20 years of prior experience in the financial services industry, having been employed by Euroz Hartleys, DJ Carmichael and Shaw and Partners. Terzanidis’ recent experience has been in corporate services and in the role of company secretary for resources-focused entities. Terzanidis acts as company secretary for Alchemy Resources (ASX:ALY), Kalamazoo Resources (ASX:KZR) and Viridis Mining and Minerals (ASX:VMM). Terzanidis holds a Bachelor of Commerce with majors in Accounting and Corporate Administration and a Graduate Diploma in Applied Corporate Governance.
Premium Magnetite Iron Product (>70% Fe) Confirmed Across Waterfall Prospect (WA)
Further to its previous ASX announcements (listed below), AusQuest Limited (ASX: AQD) is pleased to advise that it has successfully produced a premium iron product grading >70% Fe from DTR test work completed on samples from 14 of the 16 drill-holes at the Waterfall Prospect, part of its 100%-owned Morrisey Project in Western Australia’s Midwest mining district.
Key Points:
- Premium grade iron product (>70% Fe) has been produced across the Waterfall Prospect by beneficiation test work using the Davis Tube Recovery (DTR) method.
- Magnetite was liberated from its host rock using a relatively coarse grind size of 75um and 106um, which suggests potential savings on future processing costs.
- Average DTR recoveries of approximately 34% indicate that most, if not all, of the magnetite has been recovered in the concentrate.
- Impurity levels (silica, alumina, sulphur and phosphorus) within the magnetite concentrate are extremely low.
- The Morrisey Project is well located, being ~120km by road north of Mullewa and then ~80km by rail to the Port of Geraldton.
- Waterfall is the first of at least five targets identified within the Morrisey Project, with potential to host magnetite mineralisation.
Next Steps:
- Native Title clearance surveys over further magnetite targets are scheduled to be completed later this year.
- Drilling of additional targets is being planned for 2025, under the Strategic Alliance Agreement with a subsidiary of South32 Limited.
Beneficiation test work using the DTR method confirmed excellent recoveries of magnetite from its host rock (averaging ~34%) across the prospect, using coarse grind sizes of 106um and 75um, highlighting potential for the prospect to deliver a premium iron (Fe) product with very low impurity levels and enhancing the future commercial potential of the Project.
The Morrisey Project is well located, being ~120km by road north of the town of Mullewa, and a further 80km by rail to the Port of Geraldton (Figure 1). No discussions have been held with transport providers at this stage.
Figure 1: Morrisey Project: Location Plan showing road and rail access to the Port of Geraldton.
DTR results for all remaining drill-holes have now been received, confirming that iron (Fe) grades greater than 70% Fe can be achieved from both the 75um and 106um grind sizes for all the composite samples (varying from 4m to 12m in length). The distribution of DTR grades and down-hole thicknesses for the 75um grind size is shown in Figure 2, with cross-sections provided in Figures 3 and 4.
While there are no significant differences between results from the two grind sizes used, results for 75um are slightly more consistent, with less variations than for the 106um data (see Tables 1 and 2 below).
DTR Fe grades for the 75um grind size vary from 70.25% Fe to 71.63% Fe with recoveries varying from 18.6% for the lower grade composite samples (<25% Fe) and up to 44.3% for higher grade composites (>35%Fe), with an average recovery of magnetite across the prospect of ~34%.
Deleterious elements for the 75um product were all very low, including silica (average 1.3% SiO2), alumina (average 0.19% Al2O3), sulphur (average 0.08% S) and phosphorous (average 0.004% P), only increasing slightly for the coarser grind product.
Petrological examination of selected samples indicates that the magnetite grains are highly fractured, which is likely to contribute to the excellent magnetite recoveries achieved via the DTR test work.
Similar magnetic and gravity anomalies to the Waterfall prospect occur at a number of locations within the Morrisey Project. Five targets have been identified for drilling to help determine the overall magnetite potential of the district.
Click here for the full ASX Release
This article includes content from AusQuest limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Exploration Update - Visible Gold Intersected at Salanie
Apollo Minerals Limited (ASX: AON) (‘Apollo Minerals’ or ‘the Company’) provides an update on its exploration activities at the Salanie Gold Project (“Salanie”) in Gabon and the Belgrade Copper Project in Serbia. The first round of drilling has now been completed at both projects. Visible gold has been intersected at the A1 Prospect at Salanie, an area that has not seen exploration or modern drilling in 70 years.
HIGHLIGHTS:
- Visible gold identified in drilling at the A1 prospect at 19m depth (Figure 1), associated within a broader 13m zone of quartz veining and shearing from 9.6m downhole:
- Interpreted as extension to system in trench SATR001 (10.3m @ 3.4g/t Au and 1.4m @ 15.7 g/t Au) (Figure 5);
- Assays for this hole are pending.
- At P6, a significant quartz veining/shear system over 20m with associated sulphides has been identified along the trend of historical high-grade underground workings that produced at an average of 16g/t Au.
- The underground workings at P6 represent a priority target that will be further targeted in the 2025 drill season:
- System displays as quartz veining and associated visual estimates of sulphides (trace to 25% pyrite+/-chalcopyrite) intersected in three principal positions in drillhole SLDD002 (61- 65m; 71-75m and 84-87m).
- Drilling completed for the current field season, with discussions advanced with a highly reputable new drilling contractor for drilling in 2025.
- At Salanie, five holes for 328m (two at the P6 prospect and three at the A1 prospect) were completed (two of these did not reach target depth due to drilling performance), with assay results received for 3 holes.
- In the northern areas around the Mikouma and Binda prospects, infill soil sampling has strengthened existing gold targets in these regions with anomalies up to 200ppb Au. Follow up ground reconnaissance will assist in delineating further the drill targets.
- Company to undertake a one (1) for three (3) non-renounceable entitlements offer to raise approximately $3.25 million (before costs).
Figure 1: Examples of visible gold identified in SLDD004 – at 19.04m (associated with chalcopyrite (Cpy) and galena (Gn)).
The Company cautions that visual estimates of sulphides or mineral abundance should never be considered a proxy or substitute for laboratory analysis. Laboratory analysis would be required to determine the widths and grades of sulphides, visible gold, or suspected mineralised intervals reported herein. Visual information also potentially provides no information regarding impurities or deleterious physical properties relevant to valuations. Assays are expected within 3-5 weeks.
Apollo Minerals’ Managing Director, Mr Neil Inwood, commented:
“The first pass drilling is highly encouraging having identified visible gold associated with quartz veining at A1 and a significant shear/quartz vein system at P6. Assays are pending from the key holes at A1. The Salanie system is interpreted to be in the same regional trend of Archean greenstones as Managem’s 1m oz Eteke deposit; highlighting the potential in the broader system.”
“Unfortunately, a combination of late arrival and poor performance from the drilling contractor and the end of the field season has meant that less than a quarter of the planned holes for 2024 were completed and the P6 target was only partially tested by one drill hole. We are in advanced discussions with another drilling company to commence drilling in the new year. Such a partner will enable a significant increase in drilling rate and quality and enable us to further unlock the untested potential at the Salanie Gold Project.”
Click here for the full ASX Release
This article includes content from Apollo Minerals Limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Wadi Al Junah VMS-Style Copper-Zinc-Gold-Silver Project in Saudi Arabia
Metal Bank Limited (ASX: MBK) (‘Metal Bank’, ‘MBK’ or the ‘Company’) is pleased to announce further details regarding the Wadi al Junah Copper-Zinc-Gold-Silver Project (‘Wadi al Junah’ or ‘the Project’), which has been awarded to Consolidated Mining Company (CMC) following a highly competitive Saudi government exploration licensing Round 6.
Highlights
- As announced on 6 November, MBK’s Saudi Arabian JV company, has been awarded the Wadi Al Junah Project as part of the Saudi Government’s Exploration Licensing Round 6
- Wadi Al Junah is prospective for volcanogenic massive sulphide (VMS) copper-zinc- gold-silver mineralisation and for shear zone gold-silver, with several untested priority targets
- The Project is 35km east of the Al Hajar Au-Ag-(Cu-Zn) deposit previously mined by Ma’aden and is proximal to the regional centre of Bisha, and close to major access routes, local towns and workforce
- Saudi exploration strategy is supported by a well capitalised in-country JV Company in CMC and significant Saudi government incentives to de-risk and fast-track exploration
- Metal Bank continues to assess new potential project areas in Saudi Arabia prospective for copper, gold and other critical minerals – several tenement applications in progress
CMC is a Saudi Arabian limited liability company owned by MBK (60%) and Central Mining Holding Company (‘CMH’, 40%). CMH is a member of the Al Qahtani Holdings group, and was the JV partner of Citadel Resources which, under the leadership of Inés Scotland as Managing Director, was responsible for the exploration and development of the Jabal Sayid copper project in Saudi Arabia (prior to its acquisition by Equinox). CMC will be responsible for managing and implementing the work program for the Wadi Al Junah project utilising the technical expertise of MBK, as the exploration JV partner, in combination with the KSA expertise of the Al Qahtani Group. CMC has a current capitalisation of SAR5m (~AUD2.1m).
Wadi al Junah with an area of 427km2 was the largest of the projects offered in Round 6 and is proximal to the major regional centre and airport of Bisha, with major access routes passing through the license area and local towns and workforce close by. The Project is located in the prospective Wadi Shwas Gold Belt, a region under-explored for shear zone gold, VMS copper-zinc-gold-silver and intrusion-related gold and base metal deposits. It is supported by several mineral occurrences with encouraging geological observations, and gold, silver and copper grades in historic regional- scale reconnaissance mapping, which have not been followed up by modern work.
MBK’s technical team has prepared a comprehensive two-year work program, with an initial focus on following up the previous limited and surface based exploration for mineral occurrences of copper, gold and silver. MBK is aiming to be drill-ready within the next six months.
Commenting on this acquisition, Metal Bank’s Chair, Inés Scotland said:
“The successful tender for the Wadi al Junah project in Saudi Arabia by our JV company CMC via a tightly contested and highly competitive exploration round speaks to our commitment, capability and technical expertise in achieving our strategy of acquiring prospective tenure within Saudi Arabia, which we believe remains underexplored and highly prospective.
Wadi al Junah represents our first project back in Saudi Arabia, a region in which MBK’s management team has extensive experience and a proven track record of success, having previously developed the Jabal Sayid project. We are well-supported by both our JV partner and the significant government incentives provided by the Kingdom of Saudi Arabia in search for the next Jabal Sayid. The Arabian Shield has so much underexplored potential, and we are ready to get our initial phase of exploration underway as quickly as possible.”
Wadi al Junah Copper-Zinc-Gold-Silver Summary
The Wadi al Junah project area covers an area of 427sq km within the Asir province of the Arabian Shield, southwest Saudi Arabia (Figures 1 and 2). It is approximately 375km south-east of Jeddah, 150km east-northeast of the port of Al Quinfidhad and around 35km east of the Al Hajar Au-Ag-(Cu- Zn) deposit previously mined by Ma’aden. It is proximal to the major regional centre and airport of Bisha, with major access routes passing through the license area and local towns and workforce close by. The majority of the project area is accessed by local tracks and wadi valleys in moderate topography.
Figure 1: MBK MENA projects showing Wadi al Junah (Saudi Arabia) and Malaqa, Area 47 and Area 65 (Jordan).
Figure 2: Wadi al Junah location map within the Arabian Shield showing major geological provinces and major Au and Cu mines (modified from KSA Ministry of Industry and Minerals publication after Nehlig et al, 2002)
Geology
Wadi al Junah is situated within the central Asir terrane of the Archaean Arabian Shield (Figure 2) within the ~80km long north-trending Wadi Shwas Gold Belt. The Shwas VMS belt on the western margin of the Wadi Shwas Gold Belt is host to the Al Hajar Au-Ag-Cu-Zn deposit, and numerous other VMS base metal and Au mineral occurrences of Proterozoic age are present in the region (Figure 3).
Three known mineral occurrences occur in the tenement area – Haniyat (Ag-Cu-+/-Au+/-Zn), Wadi al Maytha (Ag-Cu) and Wadi Umm Rahka (Ag-Cu). Very limited rock chip sampling as part of regional scale mapping work in the 1960’s and 1970’s includes results up to 1.53% Cu, 0.44g/t Au and 160g/t Ag from these prospects, which were never followed up1.
Click here for the full ASX Release
This article includes content from Metal Bank Limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Octava to Commence Drilling at Yallalong High-Grade Antimony Project
Octava Minerals Limited (ASX:OCT) (“Octava” or the “Company”), a Western Australia focused explorer of the new energy metals antimony, REE’s, Lithium and gold, is pleased to report that the drill rig is relocating to site at the Yallalong antimony project and will commence drilling this weekend. Drilling will focus on two antimony targets, Discovery and Central, with No.4 and North targets to be drilled in the new year.
Highlights
- Drill rig relocating to site with drilling to commence this weekend.
- The 3000m reverse circulation (RC) drill program is targeting further high-grade antimony at the Discovery prospect.
- Historic drilling at Discovery recorded high-grade antimony intercepts over a strike length of ~300m and remains open. Results include:
- YRC16: 7m @ 3.27% Sb from 12m including 1m @ 11.5% from 18m
- YRC06: 3m @ 6.83% Sb from 21m including 1m @ 13.6% Sb from 22m
- After drilling at Discovery, the drill rig will relocate to the Central antimony target, 2km north along strike. There has been no previous drilling at Central.
- A detailed geophysical survey over the antimony corridor at Yallalong is now complete, with the data being processed. This is expected to generate further targets within the antimony corridor.
Octava’s Managing Director Bevan Wakelam stated, "It’s great to have the rig heading to site and earlier than we had planned. The drilling will start on Discovery, then move to the Central target and should take about 2 weeks to complete. High-grade antimony has already been intersected at Discovery over a significant strike length and this drilling will further test the size. We will also twin some of the previously drilled holes."
Figure 1. Planned drill hole locations at the Discovery antimony target - Yallalong Antimony Project.
The antimony (Sb) mineralisation identified at Yallalong appears within a 10km north-south striking mineralised corridor that is interpreted to be related to a structural belt between the regional scale Darling and Woodrarung faults. Previous exploration identified four principal antimony targets where antimony mineralisation was exposed at surface. Only the Discovery Prospect has any drilling and remains open. Antimony ingot prices at that time were ~$8000/tonne compared to over $30,000/tonne now1.
Figure 2. Antimony targets at Yallalong antimony project with underlying geology.
Drilling at Discovery target recorded some of the highest-grade antimony drill intersections in Australia, at shallow depth, over a strike of ~300m including:
- YRC16: 7m @ 3.27% Sb from 12m including 1m @ 11.5% from 18m
- YRC06: 3m @ 6.83% Sb from 21m including 1m @ 13.6% Sb from 22m
- YRC27: 6m @ 1.35% Sb from 13m
After drilling at the Discovery target is complete, the rig will then move to the Central target, which is located 2 kilometres north along strike. There has been no previous drilling at the Central target.
Click here for the full ASX Release
This article includes content from Octava Minerals Limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Targeted Exploration Focus Delivers an Additional 471koz or 99% Increase in Ounces, and a Higher Grade for Ricciardo
Warriedar Resources Limited (ASX: WA8) (Warriedar or the Company) is pleased to report on an updated MRE for its flagship Ricciardo Gold Deposit, part of the broader Golden Range Project located in the Murchison region of Western Australia.
HIGHLIGHTS:
- Updated Mineral Resource Estimate (MRE) for the Ricciardo Deposit (part of the broader Golden Range Project) of 16.44 Mt @ 1.8 g/t Au for 947.5 koz gold.
- Represents a 99% increase in Ricciardo MRE contained gold ounces.
- Proven high-returning exploration with the increased Ricciardo MRE ounces delivered at an attractive all-in discovery cost of only approx. A$16/oz.
- High-quality resource additions given drilling focus on high-grade growth ounces with strong commercial potential.
- The updated Ricciardo MRE comprises:
- 467.5 koz @ 1.6 g/t Au open-pit gold Resource (75% M&I) (optimised pit shell constrained at A$3,300/oz)
- 480.0 koz @ 2.0 g/t Au underground gold Resource
- Critically, the Ricciardo system remains wide open at depth and along strike.
- Total Golden Range Project Mineral Resources now stand at over 1.28 Moz gold, a 58% increase from the previous level.
- This initial outcome validates the excellent potential for further growth within the broader 25km ‘Golden Corridor’ via the ongoing, simple strategy of targeting fresh rock extensions under shallow existing pits.
- RC drilling at the southern end of the ‘Golden Corridor’ targeting high-grade Resource growth is progressing well; 9 holes completed for 1,472 metres to date, assays pending.
Warriedar Managing Director and CEO, Amanda Buckingham, commented:
“This is the result we have been working towards all year. With less than 15,000m of targeted, efficient drilling we have added over 470 koz to the Ricciardo deposit, doubling the Resource.
We are excited by both the outcome itself, and the outlook that it delivers us for the wider corridor of gold deposits. The simple strategy of drilling below shallow open pits to find mineable ounces worked exceptionally well for our producing neighbours. The validity of this strategy is now beyond doubt, for us.
Not only is the Ricciardo system still wide open down-plunge, but the entire 25km long ‘Golden Corridor’ offers similar potential upside from such a relatively simple drilling focus.
In the middle of the infrastructure-rich southern Murchison, and located on existing Mining Leases, the opportunity in front of us is utterly irresistible.”
The Ricciardo Deposit
The Ricciardo Gold Deposit is located on existing mining leases 100% owned by WA8, in the Murchison Region, approximately 300 km east of Geraldton, and 420 km by road north-northeast of Perth. Sitting approximately 8km South of the Golden Range Mill on M59/421, and M59/458, within the Golden Range group of historic open pit mines and deposits.
Discovered in the 1990’s, open pit mining of the oxide resources commenced in 2001, and the plant entered Care & Maintenance twice (between July 2004 and 2009, and May 2010 to mid- 2013). Production was over 300 Koz before finally going into ongoing Care and Maintenance in August 2019.
The Ricciardo deposit is located 90km north of Capricorn Metals’ Mt Gibson Gold Project, 8kms south of the Company’s plant, 26km from the neighbouring Golden Grove processing facility and 40 km northeast of Vault Minerals’ high grade Rothsay gold mine (Figure 1).
Figure 1: The location of the Ricciardo gold deposit within the Golden Range Project; within the broader Southern Murchison region.
The Ricciardo gold system spans a strike length of approximately 2.3km, with very limited drilling having been undertaken below 100m depth prior to Warriedar drilling. Historical mining operations at Ricciardo were primarily focused on oxide material, with the transition and primary sulphides mineralisation not systematically explored.
Warriedar’s drilling of Ricciardo during CY2024 achieved excellent results, demonstrating high- grade extensions to the resource. The results demonstrated that the previously quantified resource is part of a much larger system.
Warriedar engaged independent mining consultants, Measured Group to update the Ricciardo MRE, previously reported 476Koz gold.1
The Ricciardo Gold Deposit consists of six semi-continuous historical open pit mines along the 2.3 km arcuate stretch of the Mougooderra Shear Zone, running north to south. These mines are named (from north to south) Silverstone North, Ardmore, Copse, Silverstone, Silverstone South, and Eastern Creek (Figure 2).
Figure 2: Drilling carried out by the Company during 2023 & 2024, which was used to update the MRE.
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This article includes content from Warriedar Resources Limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
Octava Selects Drilling Contractor for its Yallalong Antimony Project in Western Australia
Australian mineral exploration company Octava Minerals (ASX:OCT) has selected the drilling contractor for the exploration work commencing at its 100-percent-owned Yallalong antimony project, according to an article by Business News - Australia. The deal will kick off the company’s 3,000-metre program focused on the Discovery target.
“Antimony is on an absolute price tear, up almost 300 percent in the past four years and more recently exacerbated by a Chinese export ban. Given its prospects, Octava would seem to be perfectly positioned to take advantage,” the article said.
The exploration campaign will target the Discovery and Central zones and will begin in the next two weeks. The Central prospect has been drilled before with rock chips reported to contain up to 60 percent antinomy.
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