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Tartana Minerals Limited (ASX: TAT) (the Company), is pleased to advise that it has upgraded its Nightflower Exploration Target after reviewing its earlier estimation in light of the recent increases in the Antimony price. Nightflower is a high grade silver – lead deposit with, previously overlooked, significant Antimony credits.
Highlights:
- Nightflower project is a high grade silver deposit with historically impressive intersections from past drilling including 9 m @ 506g/t Silver (>16 oz/t), 12.6% Lead, and 1.46% Zinc.1
- An Exploration Target range reported on 6 June 2022 has now been substantially upgraded to 2.75 Mt @ 364 g/t Ag Eq for 32 Moz Ag Eq to 5.36 Mt @ 270 g/t Ag Eq for 47 Moz Ag Eq. The Exploration Target is conceptual in nature only and there is no guarantee that further exploration will define a resource.
- Antimony has contributed to the Exploration Target, however, recent significant increases in the Antimony price due to China's export restrictions have improved the project’s economics.
- Historical drilling results indicate Antimony grades up 3.05m @ 9.0% Sb, 24.0% Pb, 10.5% Zn, 14.9 oz/t Ag, and 0.38% Cu (Hole NF72DD11), although the Exploration Target is based on a 1% Sb grade.
- Drilling is now being planned to test the target and upgrade previously identified mineralisation to JORC 2012 reporting standards.
In mid-August China, the world’s largest producer of Antimony – producing 83,000t in 2023 (USGS) - accounting for 48% of the world’s supply, will be restricting Antimony exports from 21 September 2024. Consequently, the Antimony price has significantly increased and is currently trading at US$24,500/tonne (Argus Metals, Antimony ingot min 99.65% fob China).
The revised Exploration Target is summarised in Figure 1, incorporating the original tonnages from the 6 June 2022 announcement with revisions to the grade range, detailed later in this report.
Figure 1. Revised Exploration Target. Note: The Exploration Target is conceptual in nature only and there is no guarantee that further exploration will define a resource.
The estimated Antimony content range within the Exploration Target is summarized in Figure 2 below.
Figure 2. Revised Exploration Target with an estimated contained Antimony range. Note: The Exploration Target is conceptual in nature only and there is no guarantee that further exploration will define a resource.
Tartana Minerals Managing Director, Stephen Bartrop, commented:
“Significant increases in our Exploration Target, Antimony prices, and consequently the economics of the project underpins the importance of the Nightflower project. With production at the Tartana mine site reaching steady state, this opportunity is only more significant. Further this represents only one target (The Digger Lode mineralisation) and excludes the prospectivity of the adjacent Terrace lode and a possible further discovery.”
Nightflower Silver Project History
The Nightflower project is located 40 km north of Chillagoe in Far North Queensland. It covers a substantial part of the northern Featherbed Volcanic Group and the underlying and surrounding Hodgkinson Formation.
It was discovered as a high grade silver deposit in 1923 and was visited by the Queensland Premier in October 1923. On the Premier’s return to Brisbane he reported that the ore at Nightflower was very rich and a truck-load treated at Chillagoe gave about 30% of lead and 40 ounces of silver to the ton (Source: Qld Govt Mining Journal Vol XXIV, Oct 1923).
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Tartana Minerals
Investor Insight
Tartana Minerals is a new copper producer with strong cash flow and a substantial exploration footprint in a tier 1 mining jurisdiction. Tartana Minerals is creating shareholder value through investment in increasing its existing copper, zinc and gold resources and accelerating exploration of key projects within its highly prospective exploration portfolio. Tartana Minerals presents a compelling investment against a strong macroeconomic environment for copper.
Overview
Tartana Minerals (ASX:TAT) is a copper, gold, silver and zinc, producer, explorer and developer in Far North Queensland. Its flagship project is the 100 percent owned Tartana copper and zinc project which comprises four mining leases located north of Chillagoe. The company’s business model has involved refurbishing an existing heap leach - solvent extraction – crystallisation plant which is located on the Tartana mining leases. The refurbishment and commissioning of this plant is now completed and the company is producing copper sulphate pentahydrate which is sold to offtaker, Kanins International. Copper sulphate is priced on a premium plus percentage of the LME copper price and provides investors with leverage to anticipate increasing copper prices.
The company, formerly known as R3D Resources, changed its name to Tartana Minerals in April 2024. Tartana Minerals is based in Sydney, Australia.
Tartana Minerals has reported the following resources:
- 45,000 tonnes of contained copper at 0.45 percent copper in combined inferred and indicated resources in the Tartana open pit and northern oxide zone
- 39,000 tonnes of contained zinc at 5.29 percent zinc in inferred resources in the Queen Grade project, also located on the Tartana mining leases, and
- 415,000 oz contained gold at 0.34 g/t in inferred resources at Mountain Maid – subject to a mining lease application.
These copper, zinc and gold resources remain open at depth and along strike and the company has designed drilling programs to expand these resources. In particular, the copper mineralisation and potentially the gold mineralisation have scope to be upgraded through ore sorting.
However, the refurbished heap leach – solvent extraction – crystallisation plant utilises existing copper in the ponds and the heaps and these copper sources will be replenished when we commence mining from the open pit.
Copper sulphate contains 25 percent copper metal and payment is based on the LME copper price for the preceding month plus a premium. It is one of the few forms of saleable copper where the copper content receives the full LME price.
Sprinklers operating on the lower heap. Note the presence of copper (blue).
Tartana Minerals completed the acquisition of Queensland Strategic Metals with drilling planned to commence in 2025 that includes the Daisy Bell tin-tungsten project where historical drilling and our mapping have identified a potentially tin-rich zone.
Company Highlights
- Tartana Minerals is producing copper sulphate pentahydrate from its heap leach – solvent extraction – crystallisation plant in Chillagoe with a 100 percent offtake agreement with Kanins International.
- Copper sulphate is priced at a premium plus a percentage of the LME copper price, providing exposure to the booming copper market
- With copper, zinc and gold resources in separate projects and all within granted or soon to be granted mining leases, the company is investigating processing options which can potentially utilise available infrastructure.
- Near-term catalysts include targeted drilling programs to increase the JORC resource and expand on metallurgical test work, increasing the resource grade and estimate
- With the copper sulphate plant fully commissioned and in production, the company is now accelerating its exploration activities. The company has a range of prospects from advanced brownfields projects near existing historical mines to many prospects containing ‘ore grade’ surface mineralisation which have not been tested at depth.
- The company’s exploration portfolio includes the Beefwood/Bulimba, Bellevue, Dimbulah, Cardross and Maid projects. The exploration team is focused on target generation, particularly with the addition of critical minerals within its existing tenure and elsewhere.
Exploration
The Chillagoe region of Far North Queensland is highly prospective with the discovery and development of a number of key projects over the last few decades including Red Dome (2.5 Moz gold), Mungana (1.2 Moz gold), and King Vol (250 kt zinc). These deposits occur along the Palmerville Fault in a similar location to the Tartana Mining leases.
The mining leases at Tartana contain copper, zinc and gold mineralisation but the company also has significant projects which are both east and west of the Palmerville Fault. In the west it has the Cardross and Mountain Maid copper-gold projects and further north it has the Beefwood project. Mountain Maid has gold resources mentioned above and which are open to the south and at depth while the company is finalising a maiden copper resource for the Cardross project.
The Beefwood project comprises a buried geophysical target and surface sampling has recovered samples grading up to 180 g/t gold with no apparent source. Drilling is planned to test this target in the current dry season.
In the east of the Palmerville Fault, the company has the Bellevue/Dry River project, the OK South project and the Dimbulah Porphyry project, all copper projects with historic copper mines and prospects. Like many parts of Far North Queensland, historical exploration has not been systematic and thorough despite many promising expressions of surface mineralisation.
At the Nightflower project, Tartana has upgraded its exploration target after reviewing its earlier estimation, in light of the recent increases in the antimony price. Nightflower is a high-grade silver-lead deposit with previously overlooked significant antimony credits. Nightflower exploration target includes 2.75 Mt @ 364 g/t silver equivalent for 32 Moz silver equivalent to 5.36 Mt @ 270 g/t silver equivalent for 47 Moz silver equivalent (the exploration target is conceptual in nature only and there is no guarantee that further exploration will define a resource). Drilling is now being planned to test the target and upgrade previously identified mineralisation to JORC 2012 reporting standards.
Tartana’s exploration team comprises experienced exploration geologists with supporting cash flow from their copper production, they expect to be able to drill the most promising targets in the short term.
Strong Macroeconomic Environment for Copper
Overall, the macroeconomic environment for copper remains strong. The LME three-month copper price hit US$5.24/lb on May 17, the highest since March 7, 2022, driven by a weaker US dollar, Chinese property stimulus measures, and a short squeeze on the Chicago Mercantile Exchange futures market.
In the near-to-mid term, China’s demand for refined copper is expected to grow, due to better-than-expected performances from key consumer segments, including the power grid, solar installations and electric vehicle and air conditioning appliance sales. On the supply side, the copper concentrate market is expected to remain in a significant deficit due to the estimated delay in the Cobre Panama mine restart but will be partially offset by the higher projected production from smelters in China. As a result, we see further demand growth and supply tightening for the copper market as positive for base metal equities to maintain significant leverage to increase prices.
Management Team
Jihad Malaeb – Chairman
Jihad Malaeb is an experienced entrepreneur across a number of industries, including hospitality and construction, as well as having significant experience in mineral exploration and mining operations – both as an active investor and company director. He currently owns and operates a portfolio of hospitality businesses and real estate across Australia, which have been established over the past 30 years. Malaeb was previously a non-executive director of Critical Resources (ASX:CRR), where he helped steer CRR as one of its largest shareholders and as a board member.
Dr. Stephen Bartrop - Managing Director
Steve Bartrop’s professional experience spans more than 30 years covering periods in both the mining industry and financial sector. With a geology background, Bartrop has worked in exploration, feasibility and evaluation studies and mining in a range of commodities and in different parts of the world. In the financial sector, he has been involved in research, corporate transactions and IPOs spanning more than 20 years, including senior roles at JPMorgan, Bankers Trust and Macquarie Equities.
Bruce Hills – Non-executive Director
Bruce Hills is an accountant and is currently an executive director of Breakaway Investment Group, which operates the Breakaway Private Equity Emerging Resources Fund. Hills is a director of a number of unlisted companies in the mining and financial services sectors including The Risk Board and Stibium Australia. Hills has 35 years’ experience in the financial sector including 20 years in the banking industry primarily in the areas of strategy, finance and risk.
Dr. Alistair Lewis – Non-executive Director
Dr. Alistair Lewis is a successful entrepreneur and highly experienced medical doctor with over 40 years’ experience. For the past 10 years, Lewis has been involved in the management of mining and exploration companies. In 2017, Lewis established Oosen Lewis Mining in North Queensland. He financed the aggregation of a substantial portfolio of gold, tin, tungsten and antimony assets and instigated subsequent extensive exploration programs. These assets now form part of the QSM portfolio.
Michael Thirnbeck – Independent Non-executive Director
Michael Thirnbeck is an experienced geologist with over 25 years in managing numerous mineral development projects in Papua New Guinea, Indonesia and Australia. He has been a member of the Australasian Institute of Mining and Metallurgy since 1989 and holds B.Sc (Hons.) degree from the University of Queensland.
Shuyi (Kiara) Wang – Non-executive Director
Shuyi (Kiara) Wang was appointed a director of Tartana Minerals on July 17, 2024. Wang is an accomplished, emerging leader with a strong academic and professional background. She holds a Bachelor of Arts majoring in Philosophy from The University of Melbourne and is currently pursuing a Juris Doctor at the prestigious Melbourne Law School.
Copper, gold, silver and zinc, producer, explorer and developer in Far North Queensland, Australia
Pacgold: Advancing the Alice River Gold Project in Northern Queensland with Tier 1 Discovery Potential
Pacgold (ASX:PGO) is an Australian gold exploration company advancing the high-potential Alice River Gold Project in Northern Queensland. Led by a technically driven and experienced team with proven success across exploration, resource development, and capital markets, Pacgold is applying a systematic, discovery-focused approach to unlock the project’s value.
The company holds a dominant 377 sq km land package, including eight mining leases, along the highly prospective Alice River Fault Zone (ARFZ) — a major structural corridor interpreted to host an intrusion-related gold system analogous to globally significant deposits such as Fort Knox (USA) and Hemi (WA).
The Alice River Gold Project is a large-scale, greenstone-hosted gold system located in Northern Queensland, centered along the regionally significant Alice River Fault Zone (ARFZ). The project covers 377 sq km of contiguous tenure, including eight granted mining leases.
Pacgold controls over 30 km of strike length along the ARFZ — a major crustal-scale structure that has only recently been the focus of systematic exploration using modern techniques, offering significant untapped discovery potential.
Company Highlights
- District-scale Discovery Potential: Pacgold controls more than 377 sq km of tenure and more than 30 km of strike length across the Alice River Fault Zone (ARFZ), a fertile, underexplored structural corridor in Northern Queensland.
- Maiden Resource: In May 2025, the company published a 474,000 oz gold mineral resource estimate (MRE), covering just five percent of the total strike, confirming high-grade mineralization and strong potential for expansion.
- Aggressive Exploration Strategy: More than 10,000 metres of RC drilling campaign is underway, complemented by air-core and diamond programs, aimed at growing the Central Zone resource and testing multiple regional targets.
- Attractive Valuation Entry: With a market capitalization of just ~AU$10 million and an EV of AU$8.5 million (as of Q1 2025), Pacgold provides a low-cost entry into a potentially Tier 1 gold system.
- Experienced Leadership: The board includes proven mine developers and discovery geologists with prior success at Chalice, AngloGold Ashanti, BHP and Sibanye-Stillwater.
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High-Grade Gold Discovery in First 8 Mile Drill Hole
- First RC hole at 8 Mile discovers high-grade gold and ends in mineralisation
- 8 Mile gold mineralisation extends 75m north of tenement boundary
The 8 Mile target is located within the Gidji JV Project (“Gidji” or “the Project”), approximately 15 kilometres north of Kalgoorlie and surrounded by multiple gold mining and processing operations, including Northern Star Resources Limited’s (“NST”) Kalgoorlie gold operations (Figure 1).
The 8 Mile Target is located immediately adjacent to NST’s “8-Mile Dam” gold deposit which, according to the most recent publicly available data, contains an estimated 7Mt @ 1.4g/t Au for 313,977 ounces1.
A limited number of fast-tracked results from the first RC hole, GJRC029, show a wide zone of gold mineralisation with a similar tenor to 8 Mile Dam (18m @ 0.94g/t Au from 480m including 1m @ 6.04g/t Au), approximately 75m north of the tenement boundary, and ended in mineralisation (3m @ 0.52g/t Au).
The Company is awaiting assay results from the remainder of the hole which are expected in 2-3 weeks.
Miramar’s Executive Chairman, Mr Allan Kelly, said the Company was excited to see gold mineralisation continuing onto Miramar’s ground for a significant distance.
“This is the first time we have discovered significant gold mineralisation on our side of the fence, even though the drill hole didn’t end up exactly where we planned it to. The flip side of this is that we have extended the strike of gold mineralisation for over 100m on to our tenements,” he said.
“We’ve also demonstrated a relationship between the IP anomalism and gold mineralisation, which makes the other IP anomalies we have outlined at Gidji even more prospective,” he said.
Figure 1. The Gidji JV Project and 8-Mile Dam in relation to Kalgoorlie and surrounding deposits.
GJRC029 aimed to test an Induced Polarisation (IP) anomaly on the tenement boundary interpreted to represent the sulphide-rich gold mineralisation seen at the neighbouring 8 Mile Dam Deposit.
GJRC029 was collared approximately 10m north of the tenement boundary and mirrored MPGD008, a diamond hole drilled down-dip approximately 40m south of the tenement boundary by KCGM in 2013 and which intersected significant gold mineralisation related to the 8 Mile mafic unit.
Unfortunately, GJRC029 deviated significantly from the planned azimuth and, as a result, by the time the hole was terminated at the target depth of 504m, the drill trace ended up approximately 75m north of the tenement boundary (Figure 2). Despite this, the hole intersected a thick section of the steep westerly- dipping and highly altered 8 Mile mafic unit with widespread sulphide mineralisation, including disseminated magnetite and coarse-grained arsenopyrite, pyrrhotite and chalcopyrite, similar to the 8 Mile Dam Deposit (Figure 3).
Based on visual logging of RC drill chips, handheld portable XRF results and magnetic susceptibility measurements, samples from the bottom 56m of the hole were sent for priority analysis by fire assay at Bureau Veritas in Kalgoorlie.
The results from these initial samples confirm the relationship between the gold mineralisation and sulphides, and a relationship between the best gold mineralisation and coincident magnetic anomalism and elevated Arsenic as measured by handheld portable XRF. The first results also confirm that the IP anomaly is associated with potentially significant gold mineralisation, whilst the significant deviation of GJRC029 away from the planned target increases the potential strike length of gold mineralisation on Miramar’s ground.
Significant results are listed in Table 1, with assay results from the remainder of the hole expected in coming weeks.
The initial RC drilling programme, which also tested two other IP targets, is nearing completion and results will be reported once received and compiled.
Once all assays are received, the Company will plan further RC and/or diamond drill holes including to test the dip and strike extent of the mineralisation intersected in GJRC029.
The Company advises that the WA Department of Mines, Petroleum and Exploration (DMPE) has extended the main Gidji JV tenement, E26/214, for a further five years, and will now expire in March 2030.
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This article includes content from Miramar 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.
Tartana Minerals Investor Kit
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