Bonterra Intersects 7.2 g/t Au over 4.0 Metres at Gladiator from the Ongoing Expansion Drilling Campaign

Val-d'Or, Quebec--(Newsfile Corp. - August 4, 2021) - Bonterra Resources Inc. (TSXV: BTR) (OTCQX: BONXF) (FSE: 9BR2) ("Bonterra" or the "Company") is pleased to announce results from the ongoing expansion drilling campaign at its Gladiator project. The focus of this campaign is on expanding the size and scope of the Gladiator gold deposit and supplementing the recently updated mineral resource estimate (the "2021 MRE", see press release dated June 23, 2021). The ongoing expansion drilling program at Gladiator has been a success thus far with several holes intersecting multiple mineralized intervals, which has effectively extended the targeted mineralized zones.

Assays from 18 expansion drill holes, including six holes outside the 2021 MRE, have been received since January 14, 2021. The assay results included in this press release are highlighted by:

  • South Zone: 7.2 g/t Au over 4.0 metres ("m"), including 57.0 g/t Au over 0.5 m and 16.1 g/t Au over 1.0 m in hole BA-21-23
  • Main Zone: 4.9 g/t Au over 2.6 m in hole BA-20-33
  • Footwall Zone: 3.6 g/t Au over 7.0 m, including 20.5 g/t Au over 1.2 m in hole BA-21-07
  • North Dipper: 26.4 g/t Au over 0.6 m in hole BA-21-13
  • North Dipper: 4.3 g/t Au over 9.4 m including 25.2 g/t Au over 1.0 m in hole BA-21-16

Additionally, work on the the preliminary economic assessment ("PEA") is ongoing and is expected to be completed in Q4 2021.

Pascal Hamelin, CEO commented: "I'm very excited with the results to date from the ongoing drilling campaign at Gladiator. The grade and width of hole BA-21-23 bode well for the mining scenarios currently being evaluated in the PEA and hole BA-21-07 shows the great potential at depth at Gladiator. I look forward to sharing more assay results from the ongoing drilling campaign as they become available in the coming weeks."

Gladiator Deposit Geology

The Gladiator deposit consists of a set of shear hosted sub-vertical quartz veins oriented at 60 degrees azimuth and are spatially associated with felsic dykes. The zones named spatially from the north-northwest to the south-southeast are: The North Zone, Footwall Zone and the Main Zone. These three zones include several sub-parallel veins interpreted as dislocated folds in sheared structures. The North Dippers Zones consist of secondary shears/fractures occurring in more brittle lithologies within gabbroic sills and a porphyritic felsic intrusive stock situated between the principal sub-vertical shears. They consist of shear/fracture filling quartz veins dipping 45 to 75 degrees to the north and oriented east-west. The North Dippers include the Barbeau Zone, which is one of the most significant zones in size and continuity at the Gladiator deposit. The Rivage Zone is located just north of the North Zone and consists of sub-vertical narrow shear hosted quartz veins. The South Zone consists of a sub-vertical shear hosted veining trending 70 to 80 degrees azimuth that bounds and drags the southern extensions of the North Dipper Zones. All the deposit zones have a strong 45 to 50 degree plunge to the northeast and remain open at depth along the northeast plunge (Figures 1 to 5).

The following table shows the significant intersections of the drill holes presented in this press release.

Hole IDFrom (m)To (m)Length (m)Grade (g/t Au)Zone
BA-20-3186.988.01.17.4North Dipper
113.0114.01.01.3North Dipper
BA-20-32No significant values
BA-20-32A98. Dipper
140.5141.51.03.8North Dipper
178.5179.00.57.2North Dipper (Rivage)
BA-20-3388.591.12.64.9Main Zone
170.0170.50.52.0Footwall Zone
183.4183.90.58.6Footwall Zone
BA-21-01148.3149.20.91.4Rivage Zone
544.0545.81.83.2North Dipper (Rivage)
689.0693.04.02.4Rivage Zone
BA-21-02 to 02ANo significant values
BA-21-03173.5174.51.02.0North Corridor
309.5339.029.50.6Footwall / North Dippers
411.9413.41.55.9Main Zone
424.5425.30.81.4North dipper (Main)
451.5452.00.54.5North dipper (Main)
561.0567.56.50.7South Zone
BA-21-0486. Zone
127.9128.50.61.4Rivage Zone
154.0155.01.01.3Rivage Zone
206.5211.44.90.7Rivage Zone
417.4421.03.62.9Rivage Zone
442.5443.00.53.0Rivage Zone
494.8497.52.72.1Rivage Zone
550.5551.51.02.6Rivage Zone
556.5557.00.54.8Rivage Zone
659.2660.71.50.9North Zone
BA-21-05No significant values
BA-21-05AAnomalous values
BA-21-06937.0939.02.01.3Footwall Zone / North Zone
951.5952.61.12.1Footwall Zone / North Zone
959.4960.51.12.8Footwall Zone / North Zone
968.5969.00.51.7Footwall Zone / North Zone
1064.51071.06.51.3North Dipper / South
1096.61097.10.55.0Barbeau Zone
1124.01130.56.50.6South Zone
BA-21-07892.7894.01.33.8Footwall Zone / North Zone
940.9941.80.96.4Footwall Zone / North Zone
978.0985.07.03.6Footwall Zone
1019.71026.56.80.8South Zone
1055.01056.01.01.5North Dipper
1147.01148.01.03.1North Dipper
1178.01179.51.52.2North Dipper
BA-21-08 to 11AResults pending
BA-21-12Results pending
BA-21-1355.355.90.626.4North Dipper
BA-21-14Hole abandoned
BA-21-14AResults pending
BA-21-15168.8169.81.00.7North Dipper
BA-21-16275.5276.61.12.7North Dipper
352.0361.49.44.3North Dipper / South Zone
BA-21-17 to 22Results pending
BA-21-23103.9104.60.75.1South Zone
113.0117.04.07.2South Zone
152.7153.71.016.1South Zone
BA-21-24 to 25Results pending


1) The meterage represents the length of the drilled lengths.
2) Estimated true widths for the interpreted Main, North, North Dipper, North Corridor, Rivage and South Zones range from at least 50% to 100% of the interval core length.
3) The mineralized intervals listed are above 0.5 g/t Au.
4) Gold results obtained between 0.1 and 0.5 g/t Au are represented as anomalous values.
5) Gold results obtained below <0.1 g/t Au are represented as no significant values.

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Figure 1 - Gladiator Project - Drill Hole Location Map

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Drilling in the Gladiator eastern area has also intersected several gold mineralized intervals including the Footwall, North and North Dipper Zones of which the best intervals returned: 3.6 g/t Au over 7.0 m including 20.5 g/t Au over 1.2 m in hole BA-21-07 (Figure 2 and 5).

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Figure 2 - Gladiator Gold Deposit Model (Looking northwest)

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The latest drilling has intersected several North Dipper Zones of which the best intervals returned: 4.3 g/t Au over 9.4 m including 6.8 g/t Au over 2.0 m and including 25.2 g/t Au over 1.0 m in hole BA-21-16 (Figure 3).

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Figure 3 - Gladiator Project - Composite Cross Section (Hole BA-21-16)

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Three holes intersected South Zone target (BA-21-03, BA-21-06 and BA-21-23). Highlights include 7.2 g/t Au over 4.0 m including 57.0 g/t Au over 0.5 m and 16.1 g/t Au over 1.0 m in hole BA-21-23 (Figure 4).

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Figure 4 - Gladiator Project - Composite Cross Section (Hole BA-21-23)

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Figure 5 - Gladiator Project - Composite Cross Section (Hole BA-21-07)

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Quality Control and Reporting Protocols

The Gladiator project’s drill core gold analyses are performed at the Company’s Bachelor Mine analytical laboratory (the “Laboratory”). The Company employs a rigorous QA-QC analysis program that meets industry standards. The analyses are carried out by fire assay (A.A.) 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 Persons

Boris Artinian, P.Geo., Chief Geologist of the Company oversees all exploration activities on the Gladiator Project. Mr. Artinian is a qualified person as defined by National Instrument 43-101 ("NI-43-101"). Marc Ducharme, P.Geo. and Bonterra's Exploration Manager, 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.


Pascal Hamelin, President & CEO

2872 Sullivan Road, Suite 2, Val d'Or, Quebec J9P 0B9
819-825-8678 | Website:

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary and Forward-Looking Statements

This press release contains "forward-looking information" that is based on Bonterra's current expectations, estimates, forecasts and projections. This forward-looking information includes, among other things, statements with respect to Bonterra's exploration and development plans. The words "will", "anticipated", "plans" or other similar words and phrases are intended to identify forward-looking information. This forward-looking information includes namely, information with respect to the planned exploration programs and the potential growth in mineral resources. Exploration results that include drill results on wide spacings may not be indicative of the occurrence of a mineral deposit and such results do not provide assurance that further work will establish sufficient grade, continuity, metallurgical characteristics and economic potential to be classed as a category of mineral resource. The potential quantities and grades of drilling targets are conceptual in nature and, there has been insufficient exploration to define a mineral resource, and it is uncertain if further exploration will result in the targets being delineated as mineral resources. Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause Bonterra's actual results, level of activity, performance or achievements to be materially different from those expressed or implied by such forward-looking information. Such factors include but are not limited to: uncertainties related exploration and development; the ability to raise sufficient capital to fund exploration and development; changes in economic conditions or financial markets, environmental and other judicial, regulatory, political and competitive developments; technological or operational difficulties or inability to obtain permits encountered in connection with exploration activities; and labour relations matters. This list is not exhaustive of the factors that may affect our forward-looking information. These and other factors should be considered carefully and readers should not place undue reliance on such forward-looking information.

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