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October 29, 2025 TheNewswire - Vancouver, British Columbia Rockland Resources Ltd . (CSE:RKL,OTC:BERLF) (OTCQB:BERLF) (FSE:GB2) (" Rockland " or the " Company ") is pleased to announce that its 2025 prospecting program at the Cole Gold Mine Property (the "Property") located in the Red Lake Mining District of northwestern Ontario, has unveiled a new significant gold corridor interpreted to extend approximately 4.5 kilometres on the Property, along an ultramafic-felsic volcanic contact within the Pipestone Bay Deformation Zone.
Fieldwork conducted during the 2025 season including prospecting and sampling, uncovered intense gold-style mineralization and alteration along two key lithologic boundaries:
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a previously under-explored ultramafic-felsic volcanic contact, traced by geological mapping and magnetic data across the length of the property, including segments that lie under shallow lake cover (see Figure 1)
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the diorite–felsic volcanic contact, which hosts the historic Cole mine workings
Assays results from the recently completed prospecting program, will be released as they become available.
This newly defined ultramafic-felsic volcanic contact zone represents a major untested target and aligns with the structural and lithologic controls that host several of Red Lake's most significant gold deposits. The setting is directly comparable to the Great Bear Dixie Project (Kinross), where high-grade gold mineralization occurs along felsic-ultramafic contacts within a major deformation corridor.
A historic drill hole (hole 12) completed on the Cole property testing the ultramafic-felsic volcanic contact zone, yielded a 3.7 metre intercept containing visible gold in quartz-carbonate veining. Diamond drilling is clearly warranted to further assess this target.
"The recognition of the ultramafic-felsic volcanic contact zone as a favorable site for gold mineralization significantly enhances the scale and potential of the Cole project," stated Mike England, CEO of Rockland Resources. "Our team has validated the geologic model linking Cole to the same Pipestone corridor that controls gold at Rowan and Mount Jamie (see Figure 2). With historical production from the diorite zones and an entirely untested ultramafic target beneath lake cover, we now view Cole as a district-scale gold opportunity ready for the drill phase.
Key Takeaways From the Prospecting Program:
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Strategic Structural Location:
Cole is situated along the Pipestone Deformation Zone, a proven gold-bearing structure that also hosts the Rowan and Mount Jamie gold occurrences. -
Dual Contact Systems:
Sampling and mapping confirmed mineralization along both the diorite–felsic contact (historically mined) and the felsic–ultramafic contact, where the highest gold values to date were reported. -
Model Validation:
The geological setting and mineralization signatures correlate strongly with the Great Bear model, supporting the potential for a contact-hosted gold system. -
4.5-Kilometre Strike Potential:
Magnetic and geological interpretation trace the ultramafic-felsic volcanic contact for approximately 4.5 km in strike, including untested segments beneath lake cover. -
Next Phase Exploration:
Rockland will advance to targeted drilling along the ultramafic contact and further evaluate the diorite-felsic zone along strike and at depth to determine continuity of the gold system.
Qualified Person:
Rockland's disclosure of a technical or scientific nature in this news release were reviewed and approved by Donald Hoy, M. Sc., P. Geo., who serves as the Qualified Person under the definition of National Instrument 43-101.
About Rockland Resources Ltd.:
Rockland Resources is committed to unlocking value through focused mineral exploration and discovery. Our portfolio includes the historic Cole Gold Mines Project in the prolific Red Lake district of Ontario and a Beryllium exploration portfolio in Utah , positioned to supply a vital critical metal for emerging technologies. By leveraging geological expertise, disciplined exploration, and strategic project development, Rockland Resources aims to deliver meaningful growth and long-term value to its shareholders.
On Behalf of the Board of Directors
Michael England, CEO & Director
For further information, please contact:
Mike England
Email: mike@engcom.ca
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