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Bonterra Intersects 11.3 g/t Au over 2.2 metres from the Ongoing Expansion Drilling Campaign at Barry

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Bonterra Intersects 11.3 g/t Au over 2.2 metres from the Ongoing Expansion Drilling Campaign at Barry






Bonterra Resources Inc. (TSX-V: BTR) (OTCQX: BONXF) (FSE: 9BR2) is pleased to announce the results from the ongoing drilling campaign at the Barry project. Recent drilling continues to expand the H series at depth in the SW sector and up-dip to the NW (Figure 1). The latest results encompass nine diamond drill holes designed to expand the 2021 mineral resource estimate released in June (see press release dated June 23, 2021), and one hole (MB-21-353) that was included in the MRE. Drilling highlights include 11.3 grams-per-tonne gold over 2.2 metres in the H15 zone.


The Company is currently drilling at a rate of approximately 10,000 m per month at its three main gold deposits to expand upon the recently released MREs. In addition, work on the preliminary economic assessment, which would utilize the existing Bachelor Mill as a central processing facility is ongoing and is expected to be completed in Q4 2021.


Highlights include:


  • 11.3 g/t Au over 2.2 m in hole MB-21-361
  • 3.0 g/t Au over 7.0 m, including 6.5 g/t Au over 3.1 m in hole MB-21-353
  • 3.0 g/t Au over 6.8 m, including 6.2 g/t Au over 2.0 m in hole MB-21-372
  • 14.8 g/t over 0.4 m in hole MB-21-352


Pascal Hamelin, CEO commented: “Today’s drill results of the H series reinforce the expansion potential we see across the entire Barry project. More assay results are expected from Barry in the coming months as a backlog of pending results are returned from the laboratory and from the ongoing drilling campaign of expansion targets, which remain open in all directions.”



Figure 1 – Barry Project – Drill Hole Location Map


Figure 2 – Barry H15 Zone Longitudinal Section


The Barry gold deposit is characterized by three dominant sets of structures, all dipping to the south-east. The sub-vertical shear zones and the H-Series shear zones dipping 25 to 40 degrees are hosted within intermediate to mafic volcanics and tuffs with local felsic intrusions. Contact zones dip at 50-65 degrees along the lower and upper contacts of the D1, D2 and D3 felsic intrusions with mafic volcanics. Gold mineralization is associated with disseminated sulfides within shear zones and veins with local visible gold. The Barry deposit has been delineated over 1.4 kilometres along strike and 700 m vertical and remains open for expansion.


The Barry drilling campaign is currently focused on the expansion of key gold mineralized zones around the MRE. Drilling results presented here targeted the expansion of “H-Series” and “Contact” zones in the west sector at depth and up-dip in the footwall of the D2 intrusive. These results confirm the potential to continue expanding these zones, with success along the H15 and D2 HW zones (Table 1; Figures 1 and 2). These zones remain open across the Barry deposit. Two new H series zones were also identified in the NW sector nearer to surface in the FW of the D2 intrusive in hole MB-21-352, outlining the remaining potential within the deposit’s footprint (Table 1; Figure 1). Drilling also targeted the NE of the deposit but assays are still pending (Table 1; Figure 1).


Table 1: Barry Drill Hole Results Highlights



Hole ID From (m) To (m) Length (m) Grade (g/t Au) Zone
MB-21-352 152.4 153.0 0.6 0.8 D2 FW*
164.8 165.2 0.4 14.8 New H Zone
208.2 214.0 5.8 1.45 New H Zone
Including 208.2 209.4 1.2 5.0 New H Zone
MB-21-353 477.1 478.9 1.8 1.2 New Sub-vertical Zone
504.2 507.1 2.9 0.5 New Sub-vertical Zone
525.5 532.5 7.0 3.0 D2 HW*
Including 526.4 529.5 3.1 6.5 D2 HW*
766.8 768.8 2.0 3.8 H15*
Including 767.3 767.8 0.5 10.9 H15*
MB-21-354 44.7 45.7 1.0 6.2 D2 HW*
414.2 415.8 1.6 4.0 H15*
MB-21-355 Results pending
MB-21-356 749.0 750.0 1.0 0.5 H15*
MB-21-357 Results pending
MB-21-358 Results pending
MB-21-359 Results pending
MB-21-360 Results pending
MB-21-361 747.0 749.9 2.9 1.2 H15*
754.3 756.5 2.2 11.3 H15*
MB-21-362 Results pending
MB-21-363 Results pending
MB-21-364 Results pending
MB-21-365 Results pending
MB-21-366 751.0 753.5 2.5 0.6 H15*
757.3 760.0 2.7 1.6 H15*
MB-21-367 Results pending
MB-21-368 Results pending
MB-21-369 Results pending
MB-21-370 Results pending
MB-21-371 Results pending
MB-21-372 579.3 580.5 1.2 1.8 H8
625.0 631.2 6.2 0.8 H13*
740.4 747.2 6.8 3.0 H15*
Including 742.2 744.2 2.0 6.2 H15*
MB-21-373 603.8 609.0 5.2 1.1 H14*
Including 605.9 606.8 0.9 4.4 H14*
MB-21-374 730.0 746.2 16.2 0.9 H15*
Including 733.6 736.8 3.2 2.9 H15*
MB-21-375 826.0 829.6 3.6 0.6 H15*
840.4 844.2 3.8 0.9 H15*
MB-21-376 Results Pending


1) The meterage represents the length of the drilled lengths.
2) True widths are estimated to be greater than 70% of the drill intersection length.
3) The mineralized intervals listed are above 0.5 g/t Au.
4) * Zones renamed in the 2021 MRE report, see Table 2 for reference.


Several zones were renamed by SLR Consulting (Canada) Ltd. during the completion of the Barry 2021 Resource Estimate in order to facilitate the estimation process. An equivalence table for relevant zones is presented below in Table 2. Names used in the text of this press release are based on Bonterra’s pre-resource estimation nomenclature for continuity.


Table 2: Zone Nomenclature



Pre-2021 MRE
2021 MRE
D2 FW D2
D2 HW D4
D1 FW Split into D1, D3, D5
H12 H12
H13 H3
H14 Split into H5, H7, H9, H11
H15 H12


1) Names used in this press release are according to Pre-2021 MRE Terminology.


Quality Control and Reporting Protocols


The Barry project’s drill core gold analyses are performed at the Company’s Bachelor Mine analytical laboratory. The Company employs a rigorous QA-QC analysis program that meets industry standards. The analyses are carried out by fire assay with atomic absorption finish. Blanks, duplicates, and certified reference standards are inserted into the sample stream to monitor the Laboratory’s performance. The Company’s QA-QC program requires that at least 10% of samples be analyzed by an independent laboratory. These verification samples are sent to ALS Minerals laboratory facility located in Val-d’Or, Quebec. The verifications show a high degree of correlation with the Laboratory’s results.


Qualified Person


Marc Ducharme, P.Geo. and Bonterra’s Exploration Manager, has compiled and approved the information contained in this press release. Mr. Ducharme is a qualified person as defined by NI 43-101.


About Bonterra Resources Inc.


Bonterra is a Canadian gold exploration company with a large portfolio of advanced exploration assets anchored by a central milling facility in Quebec, Canada. The Company has four main assets, Gladiator, Barry, Moroy, and Bachelor that collectively have a total of 1.24 million ounces in Measured and Indicated categories, and 1.78 million ounces in Inferred category. Importantly, the Company owns the only permitted and operational gold mill in the region that is currently estimated at 75% through the permitting process to expand from 800 to 2,400 tonnes-per-day. Bonterra is focused on graduating from advanced exploration to a development company over the next 18-24 months to deliver shareholder value.


Posted August 16, 2021

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