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Green Bridge Metals Reports Significant Disseminated and High-Grade Copper - Nickel Mineralization from Previously Unsampled Core at the Skibo Prospect

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Green Bridge Metals (OTCQB:GBMCF) has reported significant copper-nickel mineralization from previously unsampled core at the Skibo prospect in Minnesota. Key findings include intercepts of 0.28% Cu and 0.15% Ni over 153 meters, including 3.1m at 1.6% Cu, 0.4% Ni, and 18.3 ppm Platinum Group Elements (PGE).

The drilling program revealed potential for both bulk tonnage and high-grade copper-nickel systems, with significant PGE and Cobalt mineralization. Notable results include 54.2m of 1982.6 ppm Co and 51.5m at 4.2% TiO2. The technical team identified two mineralization horizons: one near surface associated with Oxide Ultramafic Intrusions and another deeper horizon above Virginia Formation sediments.

The company plans to continue the core sampling program to define the mineralized system's extent and develop drill targets for resource definition at Skibo.

Green Bridge Metals (OTCQB:GBMCF) ha riportato una significativa mineralizzazione di rame e nichel da campioni di carote precedentemente non analizzati presso il sito Skibo in Minnesota. I risultati principali includono intersezioni di 0,28% Cu e 0,15% Ni su 153 metri, con un intervallo di 3,1 m a 1,6% Cu, 0,4% Ni e 18,3 ppm di elementi del gruppo del platino (PGE).

Il programma di perforazione ha evidenziato il potenziale sia per depositi di grande volume che per sistemi di rame-nichel ad alto tenore, con mineralizzazioni significative di PGE e Cobalto. Tra i risultati rilevanti si segnalano 54,2 m con 1982,6 ppm di Co e 51,5 m con 4,2% TiO2. Il team tecnico ha identificato due orizzonti mineralizzati: uno superficiale associato a intrusioni ultramafiche ossidate e un altro più profondo sopra i sedimenti della Formazione Virginia.

L'azienda intende proseguire il programma di campionamento delle carote per definire l'estensione del sistema mineralizzato e sviluppare obiettivi di perforazione per la definizione delle risorse a Skibo.

Green Bridge Metals (OTCQB:GBMCF) ha informado una mineralización significativa de cobre y níquel a partir de núcleos previamente no muestreados en el prospecto Skibo en Minnesota. Los hallazgos clave incluyen interceptaciones de 0,28% Cu y 0,15% Ni en 153 metros, incluyendo 3,1 m con 1,6% Cu, 0,4% Ni y 18,3 ppm de elementos del grupo del platino (PGE).

El programa de perforación reveló potencial tanto para sistemas de gran tonelaje como de alta ley de cobre y níquel, con mineralización significativa de PGE y cobalto. Resultados destacados incluyen 54,2 m con 1982,6 ppm de Co y 51,5 m con 4,2% TiO2. El equipo técnico identificó dos horizontes de mineralización: uno cercano a la superficie asociado con intrusiones ultramáficas oxidadas y otro horizonte más profundo sobre sedimentos de la Formación Virginia.

La compañía planea continuar el programa de muestreo de núcleos para definir la extensión del sistema mineralizado y desarrollar objetivos de perforación para la definición de recursos en Skibo.

Green Bridge Metals (OTCQB:GBMCF)는 미네소타 스키보 탐사 지역에서 이전에 샘플링하지 않은 시추 코어에서 구리-니켈 광물화가 크게 확인되었다고 보고했습니다. 주요 발견 사항으로는 153미터 구간에서 0.28% Cu와 0.15% Ni가 포함되며, 그 중 3.1미터 구간에서 1.6% Cu, 0.4% Ni, 18.3 ppm 백금족 원소(PGE)가 포함되어 있습니다.

시추 프로그램은 대량 광상과 고품위 구리-니켈 시스템 모두에 대한 잠재력을 보여주었으며, 중요한 PGE 및 코발트 광물화도 확인되었습니다. 주목할 만한 결과로는 54.2미터 구간에서 1982.6 ppm Co51.5미터 구간에서 4.2% TiO2가 있습니다. 기술팀은 두 개의 광물화 층을 확인했는데, 하나는 산화 우트라마픽 관입암과 연관된 지표 근처 층이며, 다른 하나는 버지니아 지층 퇴적물 위의 깊은 층입니다.

회사는 광물화 시스템의 범위를 정의하고 스키보에서 자원 정의를 위한 시추 목표를 개발하기 위해 코어 샘플링 프로그램을 계속 진행할 계획입니다.

Green Bridge Metals (OTCQB:GBMCF) a rapporté une minéralisation significative en cuivre-nickel à partir de carottes non échantillonnées précédemment au prospect Skibo dans le Minnesota. Les principales découvertes incluent des intersections de 0,28% Cu et 0,15% Ni sur 153 mètres, comprenant 3,1 m à 1,6% Cu, 0,4% Ni et 18,3 ppm d'éléments du groupe du platine (PGE).

Le programme de forage a révélé un potentiel à la fois pour des systèmes à grand tonnage et à haute teneur en cuivre-nickel, avec une minéralisation significative en PGE et cobalt. Les résultats notables incluent 54,2 m à 1982,6 ppm Co et 51,5 m à 4,2% TiO2. L'équipe technique a identifié deux horizons de minéralisation : un près de la surface associé aux intrusions ultramafiques oxydées et un autre horizon plus profond au-dessus des sédiments de la Formation Virginia.

La société prévoit de poursuivre le programme d'échantillonnage des carottes pour définir l'étendue du système minéralisé et développer des cibles de forage pour la définition des ressources à Skibo.

Green Bridge Metals (OTCQB:GBMCF) hat bedeutende Kupfer-Nickel-Mineralisierungen aus zuvor nicht beprobten Bohrkernen am Skibo-Projekt in Minnesota gemeldet. Wichtige Ergebnisse umfassen Abschnitte mit 0,28% Cu und 0,15% Ni über 153 Meter, darunter 3,1 m mit 1,6% Cu, 0,4% Ni und 18,3 ppm Platingruppenelementen (PGE).

Das Bohrprogramm zeigte Potenzial für sowohl großvolumige als auch hochgradige Kupfer-Nickel-Systeme mit bedeutender PGE- und Kobaltmineralisierung. Hervorzuheben sind 54,2 m mit 1982,6 ppm Co und 51,5 m mit 4,2% TiO2. Das technische Team identifizierte zwei Mineralisierungshorizonte: einen oberflächennahen, der mit oxidierten ultramafischen Intrusionen verbunden ist, und einen tiefer liegenden Horizont oberhalb der Virginia-Formation Sedimente.

Das Unternehmen plant, das Kernprobennahmeprogramm fortzusetzen, um das Ausmaß des mineralisierten Systems zu definieren und Bohrziele zur Ressourcendefinition bei Skibo zu entwickeln.

Positive
  • None.
Negative
  • True widths of mineralization cannot be consistently calculated due to irregular shapes of mineralized zones
  • Resource definition still pending, requiring additional drilling and sampling

VANCOUVER, BC / ACCESS Newswire / July 16, 2025 / Green Bridge Metals Corporation (CSE:GRBM)(OTCQB:GBMCF)(FWB:J48, WKN:A3EW4S) ("Green Bridge" or the "Company") is pleased to announce positive results from a core sampling campaign at the Skibo prospect ("Skibo"), located within the Company's south contact zone properties along the basal contact of the Duluth Intrusion, north of Duluth, Minnesota (the "South Contact Zone Properties"). The core sampling results include intercepts of 0.28% Cu and 0.15% Ni, over 153 meters (m) to include 3.1m at 1.6% Cu, 0.4% Ni, and 18.3 parts per million (ppm) Platinum Group Elements (PGE) (Figure 1) (Table 1). These new assay results from Skibo demonstrate the potential for both bulk tonnage and high-grade copper nickel systems to exist at Skibo. In addition, significant PGE and Cobalt mineralization was encountered in the unsampled drill core pointing to the potential for valuable by-products in the mineralized system. The initial results of the historical core sampling program warrant a continuation of the program to define the extent of the mineralized system(s) and development of drill targets with the goal of defining a resource at Skibo.

Message from David Suda CEO:

"We continue to be impressed by the South Contact Zone Properties. At Skibo, Green Bridge has discovered newly defined mineralization with 153m of approximately 0.6% CuEq from surface. The Skibo prospect is only one of four prospective properties with exceptional exploration and development potential. By adding length to the identified well mineralized zones at Skibo, we will pursue the extent of potential thickness at these zones. As we only begin to scratch the surface of the potential, the zones look to be significant and rich with metals including Copper, Nickel, PGEs, Cobalt and Titanium. We look forward to more results from Skibo as the program continues."

The goal of the 2025 core sampling program has been to evaluate whether high grade, massive sulphide veins are associated with a larger interval of lower grade, but still economic, copper and nickel grades and thus far the thesis is proving valid at Skibo. Results for 877m of previously unsampled drill core have been recently received from the assay lab and incorporated with historical assay data for the drill holes. The new, cumulative results have defined substantial grade and interval lengths in comparison to previously unpublished results. New sampling protocol has also included both a full trace element and whole rock analysis which provides valuable information for future exploration vectoring as well as metallurgical consideration. The addition of whole rock analysis provides valuable data on the existence of other critical minerals such as titanium dioxide (TiO2) and Cobalt at Skibo. Cobalt in drilling appears to be another value driver at Skibo with a 54.2m interval of 1982.6 ppm Co, in addition to 0.26% Cu, and 0.15% Ni, at the surface. Though the data is incomplete downhole, it is apparent from the new whole rock data that Oxide Ultramafic Intrusions (OUI), which typically contain substantial TiO2 and vanadium mineralization, are present in the near surface at Skibo and results of only a portion of the drilling contains intercepts of 51.5m at 4.2% TiO2 that includes 22.5m of 0.09% V2O5. Intercepts of massive, net-textured, and disseminated copper and nickel mineralization over tens to hundreds of meters is evidence that the mineralization at Skibo justifies continued attention by the Company (Figure 2).

Results Highlights:

  • SK09-02: Results include 187.3m of new sampling

    • 3.0m of 1.6% Cu, 0.4% Ni, and 18.3 g/t PGE

    • 3.0m of 1.1% Cu, 0.4% Ni, and 4.4 g/t PGE

    • 153m of 0.28% Cu, 0.15% Ni and 0.37 g/t PGE

  • SK09-03: Results include 311.3m of new sampling

    • 54.2m 0.26%, 0.15% Ni, 0.1 g/t PGE, 1982.6 ppm Co

    • 113.5m 0.23% Cu, 0.09% Ni, 0.14 g/t PGE

    • 51.5m 475 ppm Co, 4.2% TiO2

  • SK09-04: Results include 267.3m of new sampling

    • 3.4m of 1.3% Cu, 0.2% Ni, 0.5 g/t PGE

    • 3.0m of 0.6% Cu and 0.2% Ni

    • 60.7m 0.24% Cu, 0.11% Ni

    • 23.5m 0.23% Cu, 671.4 ppm Co

The results of integrating assays over the entirety of historically drilled holes, as well as developing a model for the occurrence of mineralization in association with host intrusions and footwall sediments are together providing a strong foundation to understanding the geologic controls on all types of mineralization at Skibo. The technical team believes that there are two horizons for copper and nickel mineralization; one in the near surface, associated with OUI type magmatic bodies and one deeper, just above the contact with the Virginia Formation sediments, hosted in troctolitic intrusions. It also appears that there may be a discontinuous zone of massive sulphide veins between the upper and lower ore zones. This initial concept will continue to be modelled and tested as the core sampling program continues.

Table 1

HOLE ID

LOCATION

From (m)

To (m)

Interval (m)

Cu (%)

Ni (%)

PGM (g/t)

Co (ppm)

SK09-02

Skibo N

17.1

440.7

423.6

0.22

0.09

0.43

149.1

Including

23.5

176.5

153

0.28

0.15

0.37

248.5

281.5

296.1

14.6

0.24

0.06

0.35

71.3

344.3

350.4

6.1

0.97

0.41

0.28

193.4

367.9

376.1

60.2

0.42

0.14

0.43

104.6

421.5

424.6

3.1

1.60

0.40

18.25

243.8

SK09-03

Skibo N

15.3

474

458.7

0.17

0.07

0.01

331.7

Including

15.3

69.5

54.2

0.26

0.15

0.15

1982.6

185.3

191.4

6.1

0.28

0.09

0.17

352.7

199.0

250.5

51.5

0.01

0.05

0.06

475.4

250.6

272.8

22.2

0.23

0.11

0.15

357.7

307.5

336.5

29.0

0.23

0.08

0.10

482.2

359.4

472.9

113.5

0.23

0.09

0.14

263.6

SK09-04

Skibo N

8.5

453.2

444.7

0.15

0.06

0.11

125.7

Including

8.5

69.2

60.7

0.24

0.11

0.17

236.1

79.9

121.0

41.1

0.30

0.09

0.16

149.4

260.0

283.5

23.5

0.23

0.07

0.12

671.4

353.9

372.5

18.6

0.22

0.08

0.11

129.9

SK11-01

Skibo N

13.4

356

342.6

0.04

0.023

0.18

29.8

Including

150.0

159.7

9.7

0.30

0.07

0.37

NS

Grade intervals may include historical intercepts reported in a NI 43-101 Technical Report dated September 18, 20241
NS= No sample results

Lengths are drill intersections and not necessarily true widths. True widths cannot be consistently calculated for comparison purposes between holes because of the irregular shapes of the mineralized zones.

1Dufresne, M.B., et al. 2024. "Technical Report and Mineral Resource Estimate for the South Contact Zone Project, St Louis County, Minnesota, USA". Apex Geoscience Ltd. Edmonton, AB, Canada. Green Bridge Metals Corp. September 18, 2024

Figure 1. Skibo prospect map showing geology and historically drilled holes with new sampling and assay results. Bold Hole ID indicates assay results have been received and are included in this document. Inset shows cross section A-A' with interpolated copper grade shells and nickel concentrations on the drill hole trace as colored bars.

Figure 2. Images of sulphide mineralization in unsampled core from SK09-02.

QUALITY ASSURANCE, QUALITY CONTROL AND QUALIFIED PERSONS

Please see the technical report entitled "Technical Report and Mineral resource Estimate for the South Contact Zone Project, St Louis County, Minnesota, USA" with an effective date of September 18, 2024 prepared by independent "Qualified Persons" (as that term is defined in National Instrument 43-101 Standards of Disclosure for Mineral Projects ("NI 43-101")) Michael B. Dufresne (P. Geol, P. Geo), Andrew J. Turner (P. Geol, P. Geo), Fallon T. Clarke (P.Geo) and Christian Bohm (P.Geo) for all historical assay information as well as information on the quality assurance and quality control ("QA/QC"), data verification, analytical and testing procedures at Skibo, part of the South Contact Zone Properties. The laboratory used for all historical data herein is ALS Minerals, which is independent of the Company. The laboratory used for all new assay data herein is Activation Labs, which is independent of the Company.

The Company's drill core samples were collected at 3.1m intervals with the exception of one core hole (SK09-03)which was sampled at 1.5m intervals. Sampling was conducted following industry standards and best practices. All new samples were submitted to Activation Labs in Thunder Bay, Ontario, an independent, commercial, assay lab, for geochemical analysis. The analyses used in this analytical program include fire assay with Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) analysis for gold and platinum group elements, sodium peroxide fusion analysis with analysis by ICP-OES was used to report all trace elements, and whole rock chemical composition was analyzed using a Lithium Metaborate fused disc with analysis by X-ray Fluorescence (XRF). Measures to ensure QA/QC of assay and analytical results include inserting assay standards certified for copper and nickel mineralization, or a certified blank every 6.1m. All data was reviewed for quality using comparison of results to QA/QC standards and using a pass/fail criteria of 3 standard deviations. All QA/QC standards and blanks passed the verification criteria.

Lengths are drill intersections and not necessarily true widths. True widths cannot be consistently calculated for comparison purposes between holes because of the irregular shapes of the mineralized zones. Drill intersections have been independently selected and drill composites have been independently calculated by the Company. The geological interpretations in this news release are solely those of the Company. The locations and distances highlighted on all maps in this news release are approximate.

HOLE_ID

EASTING

NORTHING

Elevation (m)

TD (m)

AZIMUTH

DIP

SK09-01

566945.00

5258033.00

463.4

144.48

250

-60

SK09-02

567329.00

5256717.00

461.0

535.53

118

-80

SK09-03

566918.00

5255797.00

459.7

486.77

103

-55

SK09-04

567229.00

5256638.00

460.8

566.01

138

-80

SK11-01

567814.80

5254611.90

457.9

452.93

0

-90

SK11-02

567814.80

5254611.90

457.9

287.43

170

-65

SK15-01

567140.00

5256790.00

461.0

471.83

145

-75

SK19-01

567231.00

5255720.00

458.5

243.23

289

-45

SK19-02

567231.00

5255720.00

458.5

427.94

289

-70

SK20-01

567089.00

5255935.00

458.5

245.67

289

-45

SK20-02

567090.70

5255934.00

458.5

402.03

280

-75

Ajeet Milliard, Chief Geologist at The Company is a Qualified Person within the meaning of NI 43-101 and is satisfied that the analytical and testing procedures used are standard industry operating procedures and methodologies, and has reviewed, verified, and approved the technical information disclosed in this news release, including sampling, analytical and test data underlying the technical information.

About Green Bridge Metals Corporation

Green Bridge Metals Corporation is a Canadian based exploration company focused on acquiring 'critical mineral' rich assets and the development of the South Contact Zone Properties along the basal contact of the Duluth Intrusion, north of Duluth, Minnesota. The South Contact Zone Properties contain bulk-tonnage copper-nickel and titanium-vanadium in ilmenite hosted in ultramafic to oxide ultramafic intrusions. The South Contact Zone Properties have exploration targets for bulk-tonnage Ni mineralization, high grade Ni-Cu-PGE magmatic sulfide mineralization and titanium.

ON BEHALF OF GREEN BRIDGE METALS CORPORATION,

"David Suda"
President and Chief Executive Officer

For more information, please contact:

David Suda
President and Chief Executive Officer
Tel: 604.928-3101
investors@greenbridgemetals.com

Forward Looking Information

Certain statements and information herein, including all statements that are not historical facts, contain forward-looking statements and forward-looking information within the meaning of applicable securities laws. Such forward-looking statements or information include but are not limited to statements or information with respect to: results from the exploration and development of the South Contact Zone Properties, including Skibo; the goals of the 2025 core sampling program; and statements regarding the potential of the South Contact Zone Properties, including that it appears to be significant and rich with metals including Copper, Nickel, PGEs, Cobalt and Titanium.

Although management of the Company believe that the assumptions made and the expectations represented by such statements or information are reasonable, there can be no assurance that forward-looking statements or information herein will prove to be accurate. Forward-looking statements in this news release include statements about: the Company's ability to identify potential new mineral deposits within North America; the proposed scope and timing of expansion drilling programs; the timing and results (drill targets) from new core assay results; and the development of the South Contact Zone Properties. Forward-looking statements and information by their nature are based on assumptions and involve known and unknown risks, uncertainties and other factors which may cause actual results, performance or achievements, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements or information. These risk factors include, but are not limited to: locating mineral deposits is inherently risky; the exploration and development of the South Contact Zone Properties may not result in any commercially successful outcome for the Company; risks associated with the business of the Company; business and economic conditions in the mining industry generally; changes in general economic conditions or conditions in the financial markets; changes in laws (including regulations respecting mining concessions); and other risk factors as detailed from time to time.

The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws. Investors should not attribute undue certainty or place undue reliance on forward looking statements. Investors are urged to consider closely the disclosures in Green Bridge's annual and quarterly reports and other public filings, available at www.sedarplus.ca.

Certain figures and references contain information supported by public and corporate references that may have been updated, changed, or modified since their referenced date.

The Canadian Securities Exchange has not approved or disapproved the contents of this news release.

SOURCE: Green Bridge Metals Corporation



View the original press release on ACCESS Newswire

FAQ

What are the main copper and nickel grades discovered by Green Bridge Metals (GBMCF) at Skibo?

The company discovered intercepts of 0.28% Cu and 0.15% Ni over 153 meters, including high-grade sections of 3.1m at 1.6% Cu, 0.4% Ni, and 18.3 ppm PGE.

What critical minerals were found in the Skibo prospect besides copper and nickel?

The drilling revealed significant Cobalt (54.2m of 1982.6 ppm), Titanium dioxide (51.5m at 4.2% TiO2), and Platinum Group Elements (PGE) mineralization.

How many mineralization horizons were identified at the GBMCF Skibo prospect?

The technical team identified two distinct mineralization horizons: one near surface associated with Oxide Ultramafic Intrusions, and a deeper horizon above Virginia Formation sediments.

What are Green Bridge Metals' next steps for the Skibo prospect?

The company plans to continue the core sampling program to define the extent of the mineralized system and develop drill targets with the goal of defining a resource at Skibo.

Where is the Skibo prospect located?

The Skibo prospect is located within Green Bridge's South Contact Zone Properties along the basal contact of the Duluth Intrusion, north of Duluth, Minnesota.
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