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RUA GOLD Expands High-Grade Intercepts at Depth at Auld Creek: 5.9g/t AuEq over 9m and 48.3g/t AuEq over 1.25m

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RUA GOLD (NZAUF) reports significant drilling results from its Auld Creek project in New Zealand's Reefton Goldfield, highlighting improved gold-antimony grades at depth. Key intercepts include 9m @ 5.9g/t AuEq (5.2g/t Au & 0.16% Sb) from 159m depth and 1.25m @ 48.3g/t AuEq (13.3g/t Au & 8.1% Sb) from 210m depth.

The project currently has an inferred resource of 700,000 tonnes at 3.1g/t Au and 1.1% Sb, containing 67,000oz of gold and 8,000 tonnes of antimony. The resource is hosted in two ore shoots (Bonanza and Fraternal) and remains open at depth, with surface soil geochemistry indicating potential over a 2.5km length.

The announcement highlights the strategic importance of antimony, currently trading above US$50,000 per tonne, up from US$11,350 in early 2024, following China's export controls announcement in August 2024.

RUA GOLD (NZAUF) comunica risultati significativi di perforazione dal suo progetto Auld Creek nel giacimento aurifero di Reefton in Nuova Zelanda, evidenziando un miglioramento delle concentrazioni di oro e antimonio a profondità maggiori. Intercetti chiave includono 9m a 5,9g/t AuEq (5,2g/t Au e 0,16% Sb) da 159m di profondità e 1,25m a 48,3g/t AuEq (13,3g/t Au e 8,1% Sb) da 210m di profondità.

Il progetto dispone attualmente di una risorsa inferita di 700.000 tonnellate a 3,1g/t Au e 1,1% Sb, contenente 67.000 once d'oro e 8.000 tonnellate di antimonio. La risorsa è ospitata in due corpi mineralizzati (Bonanza e Fraternal) e rimane aperta in profondità, con la geochimica del suolo superficiale che indica un potenziale esteso su una lunghezza di 2,5 km.

L'annuncio sottolinea l'importanza strategica dell'antimonio, attualmente scambiato sopra i 50.000 dollari USA per tonnellata, in aumento rispetto agli 11.350 dollari di inizio 2024, a seguito dell'annuncio delle restrizioni alle esportazioni da parte della Cina nell'agosto 2024.

RUA GOLD (NZAUF) informa resultados significativos de perforación en su proyecto Auld Creek en el yacimiento aurífero de Reefton, Nueva Zelanda, destacando mejoras en las leyes de oro y antimonio a profundidad. Interceptaciones clave incluyen 9m a 5,9g/t AuEq (5,2g/t Au y 0,16% Sb) desde 159m de profundidad y 1,25m a 48,3g/t AuEq (13,3g/t Au y 8,1% Sb) desde 210m de profundidad.

El proyecto actualmente cuenta con un recurso inferido de 700.000 toneladas a 3,1g/t Au y 1,1% Sb, que contiene 67.000 oz de oro y 8.000 toneladas de antimonio. El recurso se encuentra en dos cuerpos mineralizados (Bonanza y Fraternal) y permanece abierto a profundidad, con geoquímica superficial del suelo que indica potencial a lo largo de 2,5 km.

El anuncio destaca la importancia estratégica del antimonio, que actualmente cotiza por encima de 50.000 dólares estadounidenses por tonelada, frente a los 11.350 dólares a principios de 2024, tras el anuncio de controles a la exportación por parte de China en agosto de 2024.

RUA GOLD (NZAUF)는 뉴질랜드 Reefton 금광 지역의 Auld Creek 프로젝트에서 유의미한 시추 결과를 발표하며, 심도에서 금-안티몬 등급이 향상되었음을 강조했습니다. 주요 구간으로는 159m 깊이에서 9m 구간에 5.9g/t AuEq (금 5.2g/t 및 안티몬 0.16%), 210m 깊이에서 1.25m 구간에 48.3g/t AuEq (금 13.3g/t 및 안티몬 8.1%)가 포함됩니다.

현재 이 프로젝트는 3.1g/t Au와 1.1% Sb의 등급으로 700,000톤의 추정 자원을 보유하고 있으며, 금 67,000온스와 안티몬 8,000톤을 포함하고 있습니다. 자원은 두 개의 광체(보난자 및 프래터널)에 분포하며 심도에서 계속 확장 중이고, 지표 토양 지구화학 분석은 2.5km 길이의 잠재력을 나타냅니다.

이번 발표는 2024년 8월 중국이 수출 통제를 발표한 이후, 안티몬이 현재 톤당 50,000달러 이상으로 거래되고 있으며, 이는 2024년 초 11,350달러에서 크게 상승한 것임을 전략적으로 강조합니다.

RUA GOLD (NZAUF) annonce des résultats de forage significatifs sur son projet Auld Creek dans le gisement aurifère de Reefton en Nouvelle-Zélande, mettant en avant une amélioration des teneurs en or et en antimoine en profondeur. Les intercepts clés incluent 9m à 5,9g/t AuEq (5,2g/t Au et 0,16% Sb) à partir de 159m de profondeur et 1,25m à 48,3g/t AuEq (13,3g/t Au et 8,1% Sb) à partir de 210m de profondeur.

Le projet dispose actuellement d’une ressource inférée de 700 000 tonnes à 3,1g/t Au et 1,1% Sb, contenant 67 000 oz d’or et 8 000 tonnes d’antimoine. La ressource est hébergée dans deux filons minéralisés (Bonanza et Fraternal) et reste ouverte en profondeur, la géochimie des sols de surface indiquant un potentiel sur une longueur de 2,5 km.

Cette annonce souligne l’importance stratégique de l’antimoine, dont le cours dépasse actuellement les 50 000 dollars US la tonne, contre 11 350 dollars début 2024, suite à l’annonce des contrôles à l’exportation par la Chine en août 2024.

RUA GOLD (NZAUF) meldet bedeutende Bohrergebnisse von seinem Auld Creek Projekt im Reefton Goldfeld in Neuseeland und hebt verbesserte Gold-Antimon-Gehalte in der Tiefe hervor. Wichtige Abschnitte umfassen 9m mit 5,9g/t AuEq (5,2g/t Au & 0,16% Sb) ab 159m Tiefe und 1,25m mit 48,3g/t AuEq (13,3g/t Au & 8,1% Sb) ab 210m Tiefe.

Das Projekt verfügt derzeit über eine indizierte Ressource von 700.000 Tonnen mit 3,1g/t Au und 1,1% Sb, die 67.000 Unzen Gold und 8.000 Tonnen Antimon enthält. Die Ressource befindet sich in zwei Erzkörpern (Bonanza und Fraternal) und bleibt in der Tiefe offen, wobei die Oberflächenboden-Geochemie ein Potenzial über eine Länge von 2,5 km anzeigt.

Die Bekanntgabe unterstreicht die strategische Bedeutung von Antimon, das derzeit über 50.000 US-Dollar pro Tonne gehandelt wird, verglichen mit 11.350 US-Dollar Anfang 2024, nach der Ankündigung von Exportkontrollen Chinas im August 2024.

Positive
  • High-grade intercepts: 9m @ 5.9g/t AuEq and 1.25m @ 48.3g/t AuEq
  • Antimony prices surged >340% since early 2024 to US$50,000/tonne
  • Resource of 67,000oz gold and 8,000 tonnes antimony remains open at depth
  • Strong soil geochemistry indicates potential over 2.5km length
  • Strategic antimony asset amid global supply concerns
Negative
  • Current resource is only in inferred category
  • Resource to just two of four known shoots
  • Some intercepts show narrow mineralization widths

Vancouver, British Columbia--(Newsfile Corp. - April 16, 2025) - Rua Gold Inc. (TSXV: RUA) (OTCQB: NZAUF) (WKN: A40QYC) ("RUA GOLD" or the "Company") is pleased to provide an update on its gold-antimony exploration at the Auld Creek project in the Reefton Goldfield on the South Island of New Zealand, reporting improved gold grades from current drilling in diamond drillholes ACDDH026, ACDDH027, ACDDH028.

Highlights:

  • Following up on the last high grade results from the Company, the next holes intersected broader zones of gold in hole ACDDH027 and narrow but strong gold-stibnite (antimony sulphide) mineralization in ACDDH028. 

  • Assay results show: 

    • ACDDH026: 2.1m @ 1.25g/t Au from 175m depth 

    • ACDDH027: 9m @ 5.9g/t AuEq1 (5.2g/t Au & 0.16% Sb) from 159m depth 

    • ACDDH028: 1.25m @ 48.3g/t AuEq1 (13.3g/t Au & 8.1% Sb) from 210m depth 

  • ACDD024,025 confirmed higher grade antimony mineralisation on the Fraternal shoot, the recent drilling ACDDH27,28 indicates an improvement in gold grade with depth. 

  • The gold grades on the Fraternal shoot plunge to the south, current drilling is testing 80-100m below the current resource envelope, before pivoting to testing the northerly extensions of the Fraternal ore body. 

  • Auld Creek has an inferred resource hosted by two ore shoots, Bonanza and Fraternal. This resource outcrops at surface and is continuous to 160m vertically and open at depth. 

  • Surface soil geochemistry strongly endorses extensions to the Fraternal north prospect and Bonanza northeast prospect, confirming the system is traceable over a 2.5km length.

Robert Eckford, CEO of RUA GOLD commented: "It is encouraging to see an improvement in gold grades with depth on the Fraternal lode, and the continuation of high-grade antimony accompanying the gold in narrow plunging shoots.

Drilling to date on Auld Creek antimony-gold prospect has increased confidence in the existing gold-antimony resource and highlighted higher-grade plunging shoots that remain open to the south. We are focused on expanding the Auld Creek resource both north and south, with intensified surface exploration showing early promise in identifying additional mineralization over its 2.5km length."

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Figure 1: Overview of the Reefton Goldfield.

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Figure 2: Fraternal and Bonanza ore shoots at Auld Creek.

Note that AuEq amounts have been calculated using recent spot prices of gold and antimony and applying a ~30% discount. The gold equivalent formula is based on AuEq = Au g/t + 4.3 x Sb% using a Au price of US$2065/oz, Sb price of US$34,300 per tonne and 85% recovery.

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GLOBAL SUPPLY AND VALUE OF ANTIMONY

Antimony is a critical metalloid primarily sourced from the mineral, stibnite. It is highly valuable and increasing in demand due to its versatility and has essential applications across renewable energy, liquid battery metals, defence and technological sectors.

Due to its limited supply, predominantly controlled by China, Russia & Tajikistan, antimony is considered a strategic material essential for supply chain security, particularly during periods of geopolitical instability. This was heightened in August 2024, when China announced export controls on processed antimony products. In response to these controls, nations have accelerated their efforts to secure alternative sources of antimony to mitigate the risk of significant supply chain vulnerabilities.

The US, EU, UK, Japan, Canada and Australia all designate antimony as a critical mineral. On January 31, 2025, New Zealand also announced their Critical Mineral List which included antimony.

Reflecting heightened demand, the price of antimony has reached new highs, currently trading over US$50,000 per tonne, a significant increase from US$11,350 per tonne at the start of 2024. This market shift has intensified interest in the strategic antimony potential held by RUA GOLD.

EXPLORATION POTENTIAL

RUA GOLD commenced drilling at Auld Creek in December 2024. It has a targeted program to drill four mineralised shoots identified from historical surface exploration work interpreted by the RUA GOLD team over the past 3 months.

Auld Creek is situated between two past producing mines, Globe Progress mine, and the Crushington Group of mines which collectively produced 933,000oz at 14.0g/t Au (Barry 1993). Auld Creek has three historic adits but no commercial production from the reefs.

RUA GOLD has an inferred resource at Auld Creek indicating 700,000 tonnes at 3.1g/t Au and 1.1% Sb for 67,000oz of gold and 8,000 tonnes of antimony2 (AuEq 110,000oz3). The resource is restricted to two of the four known shoots. Soil geochemistry indicates the potential for discovery of additional mineralised shoots over a strike length of 2.5km.

Four of the eight holes completed to date intersected 4-5m of strong visible stibnite (antimony sulfide) mineralization in the Fraternal-Bonanza structure.

Results from ACDDH024, ACDDH025 confirm the approximate average gold grades, but report higher antimony grades than the current resource estimate. Results from ACDDH027, ACDDH028 highlight above average gold grades with narrow but high-grade antimony in ACDDH028.

Ongoing drilling is targeting the southern plunging Fraternal gold-antimony shoot which remains open along strike and at depth.

Intensified surface exploration is showing very encouraging strong trends both north and north-west confirming additional targets on the Fraternal North and Bonanza north-west extensions.

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Figure 3: Arsenic soil geochemistry over Auld Creek area.

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ABOUT RUA GOLD

RUA GOLD is an exploration company, strategically focused on New Zealand. With decades of expertise, our team has successfully taken major discoveries into producing world-class mines across multiple continents. The team is now focused on maximizing the asset potential of RUA GOLD's two highly prospective high-grade gold projects.

The Company controls the Reefton Gold District as the dominant landholder in the Reefton Goldfield on New Zealand's South Island with over 120,000 hectares of tenements, in a district that historically produced over 2Moz of gold grading between 9 and 50g/t.

The Company's Glamorgan Project solidifies RUA GOLD's position as a leading high-grade gold explorer on New Zealand's North Island. This highly prospective project is located within the North Islands' Hauraki district, a region that has produced an impressive 15Moz of gold and 60Moz of silver. Glamorgan is adjacent to OceanaGold Corporation's biggest gold mining project, Wharekirauponga.

For further information, please refer to the Company's disclosure record on SEDAR+ at www.sedarplus.ca.

TECHNICAL INFORMATION

Simon Henderson CP, AUSIMM, a qualified person under National Instrument 43-101 Standards of Disclosure for Mineral Projects and Chief Operating Officer and a director of RUA GOLD, has reviewed and approved the technical disclosure contained herein. Mr. Henderson has participated in the geochemical sampling, and mapping programs to verify that they have been conducted in accordance with standard operating procedures. Mr. Henderson has verified the data disclosed by running checks on the location, analytical, and test data underlying the information in the technical disclosure herein.

QA/QC Drill Core

Rock samples were sent to SGS Laboratories, Westport for sample preparation. Samples were crushed and pulverized to 85% passing 75 µm. The pulverized rock-chips were split into two samples: a ~50 g sent for laboratory analysis, and the reject returned to RGL for pXRF analysis and storage. Pulverized rock-chip samples were analyzed for gold (Au) by 50-g fire assay with AAS finish at SGS Waihi (SGS Code FAA505); and for antimony (Sb) by Sodium Peroxide Fusion Analysis by ICP-MS at SGS Waihi.

QA/QC Soil Samples

Pre-planned soil sampling points on a 20 m x 100 m grid were loaded onto a handheld GPS for guidance. A spade was used to acquire a ~1.0 kg sample from the C horizon, which was put in a wet-strength paper sample bag with wire ties. Sample information was logged in a notebook in the field, including sample ID, depth, color, horizon, slope, sample description, sampler, basement, and comments. Each sample was photographed in the field alongside the GPS with coordinates visible and each sample site marked in the field with biodegradable flagging tape. Samples were taken back to RUA GOLD's Reefton facility for preparation. The sample information was entered on.csv files and uploaded to an SQL database.

Samples were dried in a customized incubator, set at 38°C, for a minimum of two days. Once the samples were fully dried, they were sieved to <180µm in size. A sub-sample of 30-50g was scooped from the <180 µm size fraction for analysis. The remaining material was retained and stored in Reefton. The fine-sieved (<180µm) soil sub-sample was first analyzed in RUA GOLD's Reefton facility using a Olympus Vanta pXRF analyzer; and then on to ALS Brisbane, Australia, for low-level gold analysis using Au-TL43; trace level Au by aqua regia extraction with ICP-MS finish. Detection limit 1 ppb Au.

Field duplicates were collected every 20th sample and underwent the same sample collection and preparation process outlined above. Duplicates were checked and validated by RUA GOLD's Isogonal data validation system to ensure compliance.

RUA GOLD Contact

Robert Eckford
Chief Executive Officer
Email: reckford@RUAGOLD.com
Website: www.RUAGOLD.com

This news release includes certain statements that may be deemed "forward-looking statements". All statements in this new release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. Forward-Looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur and specifically include statements regarding: the Company's strategies, expectations, planned operations or future actions, including but not limited to exploration programs at its Reefton and Glamorgan projects and the results thereof. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements.

Investors are cautioned that any such forward-looking statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. A variety of inherent risks, uncertainties and factors, many of which are beyond the Company's control, affect the operations, performance and results of the Company and its business, and could cause actual events or results to differ materially from estimated or anticipated events or results expressed or implied by forward-looking statements. Some of these risks, uncertainties and factors include: general business, economic, competitive, political and social uncertainties; risks related to the effects of the Russia-Ukraine war; risks related to climate change; operational risks in exploration, delays or changes in plans with respect to exploration projects or capital expenditures; the actual results of current exploration activities; conclusions of economic evaluations; changes in project parameters as plans continue to be refined; changes in labour costs and other costs and expenses or equipment or processes to operate as anticipated, accidents, labour disputes and other risks of the mining industry, including but not limited to environmental hazards, flooding or unfavorable operating conditions and losses, insurrection or war, delays in obtaining governmental approvals or financing, and commodity prices. This list is not exhaustive of the factors that may affect any of the Company's forward-looking statements and reference should also be made to the Company's short form base shelf prospectus dated July 11, 2024, and the documents incorporated by reference therein, filed under its SEDAR+ profile at www.sedarplus.ca for a description of additional risk factors.

Forward-Looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

Table 1: Location of Auld Creek drill holes from RUA 2024-2025 program

Hole IDEastingNorthingrLTotal
Depth
Site _IDDipAzimuth
(true)
Year
ACDDH02215072125333199508108.5Pad 10-541932024
ACDDH0231507212533319950851.5Pad 10-60852024
ACDDH02415072905333146539150Old 13-372202025
ACDDH02515072905333146539180.9Old 13-542482025
ACDDH02615072905333146539200Old 13-592312025
ACDDH02715072905333146539193.4Old 13-452122025
ACDDH02815070795332952607243.5Pad 18-501042025
ACDDH02915070795332952607256Pad 18-501202025
ACDDH03015070795332952607268.5Pad 18-53852025

 

Table 2: Significant drilling intercepts at Auld Creek, full mineralized zone composites (1.5g/t Au cut-off)

Sample NoFromToIntervalAu (g/t)Sb (%)
ACDDH026175175.90.90.96
ACDDH026175.9177.11.21.55
ACDDH02715215312.52
ACDDH02715315411.88
ACDDH02715415513.44
ACDDH02715515612.25
ACDDH02715615711.84
ACDDH02715715810.37
ACDDH02715815910.15
ACDDH02715916012.380.013%
ACDDH02716016112.390.802%
ACDDH02716116214.750.008%
ACDDH02716216312.840.016%
ACDDH02716316418.420.010%
ACDDH02716416514.70.010%
ACDDH02716516613.770.009%
ACDDH0271661671150.178%
ACDDH02716716813.110.428%
ACDDH028209.5210.150.650.92
ACDDH028210.15210.60.4518.411.600%
ACDDH028210.6211.40.88.284.680%
ACDDH028211.42120.61.68

1.Using recent spot prices of gold and antimony, and applying a ~30% discount, the gold equivalent formula is based on AuEq = Au g/t + 4.3 x Sb% using a Au price of US$2065/oz, Sb price of US$34,300 per tonne and 85% recovery.
2.Please see the Company’s technical report entitled, “Technical Report on Reefton Project, New Zealand”, dated October 30, 2024.
3.Based on gold equivalent formula of AuEq = Au g/t + 1.9 x Sb% using a Au price of US$2025/oz, Sb price of US$15,000 per tonne and 85% recovery.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/248701

FAQ

What are the latest drilling results from RUA GOLD's (NZAUF) Auld Creek project?

Latest results include 9m @ 5.9g/t AuEq from 159m depth and 1.25m @ 48.3g/t AuEq from 210m depth, showing improved gold grades with depth.

What is the current resource estimate for NZAUF's Auld Creek project?

Auld Creek has an inferred resource of 700,000 tonnes at 3.1g/t Au and 1.1% Sb, containing 67,000oz gold and 8,000 tonnes antimony.

How has the antimony price changed since early 2024 affecting NZAUF?

Antimony prices increased from US$11,350 per tonne in early 2024 to over US$50,000 per tonne currently, benefiting NZAUF's antimony prospects.

What is the exploration potential of NZAUF's Auld Creek project?

The project shows potential over 2.5km strike length, with four mineralized shoots identified and two currently in the resource estimate.

How does the Auld Creek project location compare to historical mines?

Auld Creek sits between two past-producing mines that collectively produced 933,000oz at 14.0g/t Au.
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