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Bonterra Intersects 2.23 g/t Au over 8.2m on Desmaraisville South

Feb 5, 2024

Bonterra Resources Inc. is pleased to announce the latest results from its 15,000 meters ("m") drill program at its 100% owned Desmaraisville South project. The purpose of the program was to test several new geological and geophysical targets along with historical near surface gold mineralization along the edges of the O'Brien Syenite Intrusion and to identify the location of two regional corridors of deformation located further to the North of the project.

The diamond drilling was conducted within seven kilometers ("km") of the Bachelor Mill Complex. To date, Bonterra has received the assay results from 10,631 samples including QA-QC samples from the 57 diamond drill holes completed between August 23 and December 22, 2023. Assay results from 3,708 drill core samples are still pending. Please refer to press releases dated December 4 and December 14, 2023, for exploration updates on the Desmaraisville South project and the surrounding area.

Highlights Include:

  • 2.23 g/t Au over 8.2 m, including 9.26 g/t Au over 1.7 m in hole BRDS-23-021
  • 15.30 g/t Au over 1.0 m in hole BRDS-23-030
  • 0.80 g/t Au over 11.7 m, including 2.84 g/t Au over 1.4 m in hole BRDS-23-013
  • 3.66 g/t Au over 1.5 m in hole BRDS-23-004A

Marc-André Pelletier, President and CEO commented: "With the launch of the $10 million in exploration drilling as part of the Option Agreement with Osisko Mining on the Phoenix JV and positive results from the 2023 campaign at our 100%-owned Desmaraisville property, this year holds transformative potential for Bonterra. Notably, all drill hole mineralized intersections at Desmaraisville fall within 4 km of the Bachelor Mill Complex. The discovery of a new mineralization type on the east side of the O'Brien Intrusive in hole BRDS 23-021, distinct from the mineralization typically found at the Bachelor-Moroy deposits, underscores the possibility of new findings on the Desmaraisville property. Compilation work is ongoing, and the final interpretation of the 2023 geophysical surveys are expected soon. These findings will contribute to generating highly prospective drill targets for exploration later this year."

Highlights of the Diamond Drilling Results:

The diamond drilling program at the Desmaraisville South project had several objectives. The main objectives were to intersect gold mineralization; (1) on the eastern side of the O'Brien Intrusive ("East Area"), (2) along the extensions of various gold zones discovered in 2015 south of the O'Brien Intrusive ("South Area"), (3) related to geophysical targets on the west of the Bachelor Lake felsic intrusion ("Bachelor Lake Intrusive") enhanced by the presence of gold showings at surface and finally, (4) to test the deep southwest plunge of a zinc, lead, and silver mineralized body of the former Coniagas Mine (Figures 1 and 2).

In addition, drill holes were positioned to improve the understanding of the stratigraphy on the property and to better position the boundaries of the various formations within it. The Company is also seeking to better locate two major structures that affect these formations: the Opawica-Guercheville deformation corridor, which hosts numerous gold showings and deposits that have been the subject of historical resource calculations, and the Lamarck-Wedding Fault, host to the former Shortt Lake Gold Mine. Recent geophysical surveys on the Desmaraisville property should help Bonterra to properly position these two major structures.


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