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North Bay Resources Announces 0.5 Oz per Ton Gold Massive Sulphide; Commences Test Mining, Fran Gold Project, British Columbia

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North Bay Resources (OTC:NBRI) has announced significant gold discoveries at its Fran Gold Project in British Columbia, including a massive sulphide outcrop assaying 0.5 oz/ton (14 g/t) gold. The newly identified gold zone spans 30x40 meters with a depth exceeding 4 meters, potentially containing 15,000 tons.

The company has initiated test mining operations and will process the ore at its Bishop Gold Mill. Recent mill operations demonstrated 80% gold recovery rates using gravity separation. Additionally, NBRI discovered a new mineralized area in the Hilltop Zone, showing assays of 0.1 oz/ton across 55 feet, expanding the project's potential.

The company's bulk tonnage deposit is estimated at 20Mt grading 0.5 g/t Au and 44Mt grading 0.3 g/t Au. The Fran Gold Project is strategically located near Centerra Gold's Mt. Milligan Project and Artemis Gold's Blackwater Mine.

North Bay Resources (OTC:NBRI) ha annunciato importanti scoperte d'oro nel suo progetto Fran Gold in British Columbia, tra cui un enorme affioramento di solfuri con una concentrazione di 0,5 oz/ton (14 g/t) di oro. La nuova zona aurifera identificata si estende per 30x40 metri con una profondità superiore a 4 metri, contenendo potenzialmente 15.000 tonnellate.

L'azienda ha avviato operazioni di estrazione di prova e tratterà il minerale presso il suo impianto Bishop Gold Mill. Le recenti operazioni di lavorazione hanno mostrato tassi di recupero dell'oro dell'80% utilizzando la separazione gravimetrica. Inoltre, NBRI ha scoperto una nuova area mineralizzata nella Hilltop Zone, con analisi che mostrano 0,1 oz/ton su una lunghezza di 55 piedi, ampliando il potenziale del progetto.

Il deposito a tonnellaggio elevato dell'azienda è stimato in 20Mt con una gradazione di 0,5 g/t Au e 44Mt con una gradazione di 0,3 g/t Au. Il Fran Gold Project è situato strategicamente vicino al Mt. Milligan Project di Centerra Gold e alla miniera Blackwater di Artemis Gold.

North Bay Resources (OTC:NBRI) ha anunciado importantes descubrimientos de oro en su Proyecto Fran Gold en Columbia Británica, incluyendo un afloramiento masivo de sulfuros con un ensayo de 0,5 oz/tonelada (14 g/t) de oro. La nueva zona de oro identificada abarca 30x40 metros con una profundidad superior a 4 metros, conteniendo potencialmente 15,000 toneladas.

La compañía ha iniciado operaciones de minería de prueba y procesará el mineral en su planta Bishop Gold Mill. Las operaciones recientes en la planta demostraron tasas de recuperación de oro del 80% mediante separación por gravedad. Además, NBRI descubrió una nueva área mineralizada en la Zona Hilltop, con ensayos de 0,1 oz/tonelada a lo largo de 55 pies, ampliando el potencial del proyecto.

El depósito de gran tonelaje de la compañía se estima en 20Mt con ley de 0,5 g/t Au y 44Mt con ley de 0,3 g/t Au. El Proyecto Fran Gold está estratégicamente ubicado cerca del Proyecto Mt. Milligan de Centerra Gold y la Mina Blackwater de Artemis Gold.

North Bay Resources (OTC:NBRI)는 브리티시컬럼비아에 위치한 Fran Gold 프로젝트에서 0.5 온스/톤(14 g/t) 금 함량의 대규모 황화물 노출을 포함한 중요한 금 발견을 발표했습니다. 새로 확인된 금 광구는 30x40미터에 걸쳐 있으며 깊이는 4미터를 초과하고, 약 15,000톤의 광물이 포함될 가능성이 있습니다.

회사는 시험 채굴 작업을 시작했고, 광석을 Bishop Gold Mill에서 처리할 예정입니다. 최근 제련소 작업에서는 중력 분리를 통해 80%의 금 회수율을 보였습니다. 또한 NBRI는 Hilltop Zone에서 55피트 구간에 걸쳐 0.1 온스/톤의 분석값을 보이는 새로운 광물화 지역도 발견하여 프로젝트의 잠재력을 확대했습니다.

회사의 대규모 광석 매장량은 20Mt, 금 함량 0.5 g/t44Mt, 금 함량 0.3 g/t으로 추산됩니다. Fran Gold 프로젝트는 Centerra Gold의 Mt. Milligan 프로젝트와 Artemis Gold의 Blackwater 광산 근처에 전략적으로 위치해 있습니다.

North Bay Resources (OTC:NBRI) a annoncé d'importantes découvertes d'or sur son projet Fran Gold en Colombie-Britannique, incluant un énorme affleurement de sulfures titrant 0,5 oz/tonne (14 g/t) d'or. La nouvelle zone aurifère identifiée s'étend sur 30x40 mètres avec une profondeur supérieure à 4 mètres, pouvant contenir potentiellement 15 000 tonnes.

La société a lancé des opérations minières d'essai et traitera le minerai à son usine Bishop Gold Mill. Les opérations récentes ont démontré des taux de récupération de l'or de 80% grâce à la séparation gravimétrique. De plus, NBRI a découvert une nouvelle zone minéralisée dans la Hilltop Zone, avec des teneurs de 0,1 oz/tonne sur 55 pieds, élargissant le potentiel du projet.

Le gisement à grand volume de la société est estimé à 20 Mt avec une teneur de 0,5 g/t Au et 44 Mt avec une teneur de 0,3 g/t Au. Le projet Fran Gold est stratégiquement situé à proximité du projet Mt. Milligan de Centerra Gold et de la mine Blackwater d'Artemis Gold.

North Bay Resources (OTC:NBRI) hat bedeutende Goldfunde bei seinem Fran Gold Projekt in British Columbia bekannt gegeben, darunter einen massiven Sulfidaufschluss mit einem Gehalt von 0,5 oz/Tonne (14 g/t) Gold. Die neu identifizierte Goldzone erstreckt sich über 30x40 Meter mit einer Tiefe von über 4 Metern und enthält möglicherweise 15.000 Tonnen.

Das Unternehmen hat Testbergbaubetriebe gestartet und wird das Erz in seiner Bishop Gold Mill verarbeiten. Jüngste Mühlenbetriebe zeigten 80% Goldrückgewinnungsraten mittels Schwerkrafttrennung. Zusätzlich entdeckte NBRI ein neues mineralisiertes Gebiet in der Hilltop Zone mit Gehalten von 0,1 oz/Tonne über 55 Fuß, was das Potenzial des Projekts erweitert.

Die großvolumige Lagerstätte des Unternehmens wird auf 20 Mt mit 0,5 g/t Au und 44 Mt mit 0,3 g/t Au geschätzt. Das Fran Gold Projekt liegt strategisch nahe dem Mt. Milligan Projekt von Centerra Gold und der Blackwater Mine von Artemis Gold.

Positive
  • Discovery of high-grade gold zone with 0.5 oz/ton (14 g/t) gold assays
  • Efficient 80% gold recovery rate at Bishop Gold Mill
  • Significant bulk tonnage resource: 20Mt at 0.5 g/t Au and 44Mt at 0.3 g/t Au
  • New Hilltop Zone discovery expanding mineralization potential
  • Strategic location near major producing mines
Negative
  • Historic stockpile shows decreased grade at depth from 0.34 opt to 0.03 opt Au
  • Lower than expected gold output per ton from stockpile material
  • Non-compliant resource estimate (non-NI 43-101)

BISHOP, Calif., July 16, 2025 (GLOBE NEWSWIRE) -- North Bay Resources, Inc. (the “Company” or “North Bay”) (OTC: NBRI) is pleased to announce assays of 0.5 opt (14 g/t) from a massive sulphide outcrop proximate to Trench B at the Company’s Fran Gold Project, British Columbia. This gold zone is located between Trenches B + C and is 30 meters N-S by 40 meters E-W with a depth of greater than 4 meters (representing 15,000 tons). The 5 lbs. sample (164992) was assayed by fire assay with atomic absorption, conducted at ALS Global, North Vancouver, BC. Previous surface sampling from Summer 2024 are as follows:

 Sample IDZone NameAu Oz/TonAg Oz/ Ton 
      
 3621B Zone0.310.07 
 3623B Zone2.270.31 
 3624B Zone0.310.03 
 3625B Zone1.230.1 
 3626C Zone1.842.45 
 3628C Zone1.620.24 
 3629C Zone0.550.08 
      

The Company has mobilized for test mining and expects to have crews on site in 5 days with ramp-up, and shipment of gold ore to its Bishop Gold Mill for processing.

Fran Stockpile

Extensive grid assays of the Fran Gold historic stockpile in June 2025, have shown a decrease in grade at depth resulting in a transition from an original surface grade of 0.34 opt (10 g/t) Au to 0.03 opt (1 g/t) Au at depth. This has resulted in lower than expected gold output on a per ton basis at the Bishop Gold Mill but a much higher re-calculated overall recovery of approximately 80% utilizing gravity only. As a result, the Company has targeted the 0.5 opt Au massive sulphide zone between Trenches B + C for immediate test mining, development and as the primary source of feedstock for the Mill. The Company will pre-concentrate the historic stockpile on-site, prior to shipment to the Mill, at a later date. The historic stockpile is now estimated at 4,200 tons with a grade of 0.03 opt. (1 g/t) gold and a value of $420,000 at $3,300 per ounce gold. The Mill is deemed to be operating at a high rate of efficiency and recovery with high amenability to Fran Gold ore and gravity separation utilizing centrifuge with grind to -150 mesh.

Refinery Settlement

The Company has received preliminary settlement from a shipment of 518 lbs. of gold concentrate from the Bishop Gold Mill to the Company’s refinery partner Just Refiners Reno, NV. Recovery rate was approximately 80% based on 28 tons processed with approximate head grade of 0.03 opt (1 g/t) Au.

 Exchange
Date
MaterialCNNet Wet
Lbs.
Net Wet
Short Tons
Sample -80
Wt. Grams
Sample +80
Wt. Grams
 
 14-Jul-25Concentrate63995180.259226.30.013 
 ElementSettlementWeighted
Average 
     
 Au Oz/Ton2.5732.573     
 Ag Oz/Ton1.2281.228     
 H2O%3.17      
 Total Au Oz.0.646      
 Total Ag Oz.0.308      
         

Hilltop Zone

Recent assays from the largely unexplored Hilltop Zone to the South of the Main Zone have resulted in discovery of a large outcrop with assays of 0.1 opt (2.9 g/t) gold and 0.1 opt (2.6 g/t) gold across 55 feet (18m). This has further expanded the mineralized area at Fran and confirmed historical assays up to 30 g/t. (1 opt) in this zone. This area reflects a further extension of the main N-S fault where the richest area of the deposit is found. The newly re-established Hill Top Zone is a significant distance, approximately 300m, South of the Main Zone. In addition to the deposit being open at depth and in the East Zone, the main gold bearing fault and related cross faults appear to extend to the South.

Fran Gold Project

As a result of the recently discovered bulk tonnage deposit and associated resource estimate the Company has implemented a two-pronged approach to the Fran Gold Project. In addition to providing feedstock to the Company’s Bishop Gold Mill from the high grade surface oxide zone, exploration is now occurring in the infill area between the Main Bullion Alley Zone, East Zone and newly re-established Hilltop (South) Zone.

The Company is proceeding with the development of the bulk tonnage deposit and has begun consultation with a Mine Engineering firm regarding detailed economics, mine plan, and construction. Mining costs at the nearby Blackwater Gold Mine are $9 per tonne processed as compared with the current bulk tonnage resource at Fran (2025, non-NI 43-101) of approximately 20Mt grading 0.5 g/t Au ($54 per tonne) and 44Mt grading 0.3 g/t Au ($32 per tonne).

Past exploration and development, including over 18,000m (55,000ft.) of diamond drilling, has shown large intercepts of mixed vein and disseminated gold. The deposit area has been identified to be in excess of 1,000m x 100m x 300m within a known strike length of 1,700m. The Fran Gold Project is next to Centerra Gold’s Mt. Milligan Project, with Reserves of 264Mt grading 0.3 gram per tonne gold and 0.2% copper and proximate to Artemis Gold’s Blackwater Mine, with Proven and Probable Reserves of 334Mt grading 0.8 grams per tonne gold. Both Mt. Milligan and the Blackwater Mine are two of the largest new copper/gold and gold mines respectively, in North America.

On behalf of the Board of Directors of

NORTH BAY RESOURCES INC.

Jared Lazerson
CEO

info@northbay-resources.com

northbay-resources.com

X: @NorthBayRes

YouTube: North Bay Resources - YouTube

LinkedIn: North Bay Resources Inc | LinkedIn

This news release may contain certain “Forward-Looking Statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws.


FAQ

What gold grades did North Bay Resources (NBRI) discover at the Fran Gold Project?

NBRI discovered a massive sulphide outcrop assaying 0.5 oz/ton (14 g/t) gold between Trenches B + C, with the zone measuring 30x40 meters and over 4 meters deep.

What is the current resource estimate for NBRI's Fran Gold Project?

The project has a non-NI 43-101 compliant resource of approximately 20Mt grading 0.5 g/t Au and 44Mt grading 0.3 g/t Au.

What is the gold recovery rate at NBRI's Bishop Gold Mill?

The Bishop Gold Mill achieves approximately 80% gold recovery utilizing gravity separation with centrifuge and grinding to -150 mesh.

How does NBRI's Fran Gold Project compare to nearby mines?

The Fran Gold Project is located near two major mines: Centerra Gold's Mt. Milligan (264Mt at 0.3 g/t Au) and Artemis Gold's Blackwater Mine (334Mt at 0.8 g/t Au).

What are the mining costs for NBRI's Fran Gold Project compared to nearby operations?

While NBRI's mining costs are not yet determined, the nearby Blackwater Gold Mine operates at $9 per tonne processed, providing a regional cost benchmark.
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