Category: Silver / Gold

Bonterra Intersects 7.1 g/t Au over 7.6 m, Including 20.1 g/t over 1.4 m and 13.2 g/t over 1.4 m, and Extends the Near Surface Mineralization by 200 m to the Northeast of the Barry Gold Deposit

Val-d'Or, Quebec--(April 7, 2022) - Bonterra Resources Inc. (TSXV: BTR) (OTCQX: BONXF) (FSE: 9BR2) ("Bonterra" or the "Company") is pleased to announce results from the ongoing drilling campaign at the Barry project. Recent drilling results expand upon the northeast sector of the Barry deposit near surface and the southwest sector at depth. The latest results obtained from 43 diamond drill holes are designed to increase the 2021 mineral resource estimate ("2021 MRE") (see press release dated June 23, 2021). Drilling highlights include 7.1 grams-per-ton gold ("g/t Au") over 7.6 metres ("m") in the near-surface zone AB08, approximately 200 m northeast of the previously released intercept 8.0 g/t Au over 7.6 m (see press release dated October 5, 2021).
 
The Company is currently drilling at a rate of approximately 7,500 m per month, focused mainly on expanding its Barry and Gladiator gold deposits highlighted within the recently released 2021 MREs.
 
Highlights include:
7.1 g/t Au over 7.6 m, including 20.1 g/t Au over 1.4 m and 13.2 g/t Au over 1.4 m in hole MB-21-417
1.3 g/t Au over 12.0 m, including 3.0 g/t Au over 4.8 m in hole MB-21-404
2.3 g/t Au over 9.0 m, including 6.8 g/t Au over 2.6 m in hole MB-21-409
17.4 g/t Au over 4.4 m, including 146.0 g/t Au over 0.5 m in hole MB-21-410
10.8 g/t Au over 5.1 m, including 23.1 g/t Au over 1.4 m in hole MB-22-416
12.1 g/t Au over 6.1 m, including 73.5 g/t Au over 0.5 m in hole MB-22-420

Marc André Pelletier, President and CEO commented: "These recent drill results confirm the extension of the mineralization near surface and at depth at Barry, extending the existing mineral resource by over 200 m to the northeast from the resource pit shell, and up to 50 m to the southwest of the underground resource. The continuation of the H12 zone and the discovery of new H series at depth demonstrate the potential to add more ounces beyond the existing 2021 MRE.

Work is currently underway on a Preliminary Economic Assessment ("PEA") based on the open pit resources at Barry in the 2021 MRE. The PEA is projected to be completed in late Q2 2022 and is expected to demonstrate the potential for restarting mining operations in the near term. The Company will soon undertake infill and definition drilling on the underground portion of the deposit to better understand the potential of an underground mining scenario.

At present, exploration activities at Barry include one drill rig drilling an additional 400 m to the northeast of the existing open pit resources and a second drill on regional exploration targets, approximately 5 kilometers to the northeast of the Barry deposit.

At the Bachelor Mine Complex, the permitting process for the mill and tailings management area expansion is ongoing, and the Company expects to provide additional information by mid-year with a COMEX permit expected by end of 2022 and provincial permits thereafter."

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Figure 1 - Barry Project - Drill Hole Location Map.

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Figure 2 - Barry Project - Composite Long Section

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The Barry drilling campaign is currently focused on the expansion of key gold mineralized northeast of the 2021 MRE. Multiple diamond drill holes have been designed to confirm the open pit extension potential to the northeast. Several drill holes have confirmed the extension of the mineralization near surface with large intercepts grading above the open pit resource cut-off grade (1.0 g/t Au). Specifically, hole MB-21-417 extended the near surface mineralization by 200 m with 7.1 g/t Au over 7.6 m, including 20.1 g/t Au over 1.4 m and 13.2 g/t Au over 1.4 m in the AB08 zone and 3.9 g/t Au over 6.3 m, including 10.1 g/t Au over 2.0 m in a new H series zone (figure 2).

Expansion drilling has also confirmed the mineral continuity and expansion of several known H-Type zones, particularly the H12 zone with holes MB-22-420 and MB-22-416, which respectively intersected 12.1 g/t Au over 6.1 m, including 73.5 g/t Au over 0.5 m and 10.8 g/t Au over 5.1 m, including 23.1 g/t Au over 1.4m, expanding the mineralization by 75 m at depth and 50 m to the southwest beyond the 2021 MRE (figure 3).

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Figure 3 - Barry Project - H12 Isometric view

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Barry Deposit Geology

The Barry gold deposit is characterized by three dominant sets of structures, all dipping to the southeast. 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 following table shows the significant intersections of the drill holes presented in this press release:

Drill Hole   From (m) To (m) Meters (m) Grade (Au g/t) Zone
MB-21-339   749.5 750.0 0.5 1.2  
MB-21-340   346.4 350.7 4.3 0.6 H6
MB-21-340   497.8 502.5 4.7 0.6 Vertical shear
MB-21-341   669.3 670.1 0.8 2.6  
MB-21-342 to 343 Previously released
MB-21-344   638.5 639.5 1.0 1.1 H12
MB-21-345   543.5 545.0 1.5 1.5 H22
MB-21-345   649.0 649.5 0.5 0.9 New H
MB-21-345   653.9 655.1 1.2 1.9 New H
MB-21-346 Previously released
MB-21-347   635.9 636.4 0.5 1.3 H12
MB-21-348   336.1 336.9 0.8 1.2 New H
MB-21-348   562.0 563.0 1.0 1.1  
MB-21-348   567.2 569.0 1.8 1.1  
MB-21-349   480.9 481.6 0.7 1.5 H8
MB-21-349   663.5 664.0 0.5 3.4 H12
MB-21-350   357.7 358.8 1.1 4.9 Vertical shear
MB-21-350   430.1 431.9 1.8 2.3 H13
MB-21-351 to 360 Previously released
MB-21-361   515.2 516.7 1.5 4.6 H6
MB-21-361   570.2 574.8 4.6 1.4 New H
MB-21-362 to 365 Previously released
MB-21-366   644.1 644.9 0.8 1.1 H3
MB-21-367 to 372 Previously released
MB-21-373   349.0 350.2 1.2 0.6  
MB-21-373   358.0 397.9 39.9 0.3 H20-H13
MB-21-373   417.5 423.9 6.4 1.2 H22
MB-21-373 Including 418.5 420.0 1.5 4.7 H22
MB-21-374 to 376 Previously released
MB-21-377   722.5 723.0 0.5 5.1 H12
MB-21-378 Previously released
MB-21-379   700.0 701.0 1.0 1.2 H12
MB-21-380 to 381 Previously released
MB-21-382   11.9 12.8 0.9 0.8 AB07
MB-21-382   22.4 24.2 1.8 1.0 AB07
MB-21-382   40.9 42.7 1.8 1.4 AB07
MB-21-382   48.0 48.5 0.5 2.5 AB07
MB-21-382   139.7 142.6 2.9 1.2 New H
MB-21-382   262.6 264.7 2.1 3.4 H16
MB-21-383   20.0 20.5 0.5 2.1 AB07
MB-21-383   25.0 25.5 0.5 2.8 AB07
MB-21-383   45.5 46.0 0.5 1.8 AB08
MB-21-383   98.2 99.0 0.8 1.1 New H
MB-21-383   108.0 109.4 1.4 1.1 New H
MB-21-383   119.0 120.0 1.0 1.2 New H
MB-21-383   251.0 251.5 0.5 0.7  
MB-21-383   272.2 273.2 1.0 0.5 New H
MB-21-383   370.6 371.4 0.8 0.5 H12
MB-21-384   71.0 78.3 7.3 0.5 New H
MB-21-384 Including 75.1 76.0 0.9 1.6 New H
MB-21-384   271.6 272.4 0.8 1.1 New H
MB-21-384   290.5 291.3 0.8 1.6  
MB-21-384   361.1 362.0 0.9 0.7 H12
MB-21-385   44.4 44.9 0.5 1.0 AB07
MB-21-385   62.0 74.5 12.5 0.6 AB08
MB-21-385   199.0 201.3 2.3 2.3 H27
MB-21-385 Including 199.7 200.3 0.6 9.0 H27
MB-21-385   217.4 218.5 1.1 3.7 New H
MB-21-385   305.9 306.4 0.5 0.7 Vertical shear
MB-21-385   329.0 329.5 0.5 1.1 Dyke
MB-21-385   383.0 384.1 1.1 1.7 H12
MB-21-386   50.0 51.0 1.0 1.5 AB 15
MB-21-386   59.2 65.5 6.3 0.7 AB 16
MB-21-386   74.4 78.0 3.6 1.7 AB 17
MB-21-386 Including 74.4 75.5 1.1 5.5 D2
MB-21-386   132.0 172.5 40.5 0.2 D2
MB-21-386 Including 152.5 154.0 1.5 1.9 D2
MB-21-386   212.7 213.5 0.8 0.6 H8
MB-21-387   16.0 17.0 1.0 1.2 AB07
MB-21-387   21.9 42.5 20.6 0.4 AB07/AB08
MB-21-387 Including 21.9 23.3 1.4 2.8 AB07/AB08
MB-21-387   106.7 108.8 2.1 1.3 New H
MB-21-387   195.5 196.0 0.5 3.7  
MB-21-388   32.4 39.3 6.9 1.7 AB08
MB-21-388 Including 36.3 39.3 3.0 2.8 AB08
MB-21-388   245.4 246.5 1.1 1.5 New H
MB-21-388   288.3 289.1 0.8 0.6  
MB-21-389   104.5 106.8 2.3 0.6  
MB-21-389   131.8 133.4 1.6 1.1  
MB-21-389   238.6 239.6 1.0 1.2  
MB-21-390   17.0 20.3 3.3 0.6 AB08
MB-21-390   191.2 191.7 0.5 1.6 New H
MB-21-390   233.2 237.1 3.9 0.7 New H
MB-21-391   59.7 60.3 0.6 0.9  
MB-21-391   103.8 111.0 7.2 0.5 New H
MB-21-391 Including 103.8 104.8 1.0 1.7 New H
MB-21-391 Including 108.7 110.0 1.3 1.0 New H
MB-21-391   120.2 120.7 0.5 0.5 New H
MB-21-391   268.0 268.8 0.8 0.6 New H
MB-21-392   250.7 251.2 0.5 1.4 H12
MB-21-393   16.0 16.8 0.8 4.2 New H
MB-21-393   144.0 144.5 0.5 0.9 New H
MB-21-393   150.0 150.5 0.5 0.9 New H
MB-21-393   153.2 158.0 4.8 0.9  
MB-21-393 Including 153.2 154.0 0.8 2.8  
MB-21-394   63.0 64.0 1.0 0.5 New H
MB-21-394   91.5 93.2 1.7 0.7 New H
MB-21-394   127.0 130.0 3.0 0.5 New H
MB-21-394   196.0 197.0 1.0 0.8  
MB-21-395   14.8 16.0 1.2 3.1 1001
MB-21-395   95.0 98.0 3.0 0.6 1008
MB-21-396   130.0 133.2 3.2 2.3 New H
MB-21-396 Including 130.0 132.0 2.0 3.2 New H
MB-21-397 Anomalous values
MB-21-398   204.7 205.2 0.5 1.5  
MB-21-399   53.7 54.4 0.7 1.8 H23
MB-21-400   125.4 125.9 0.5 0.5  
MB-21-401   216.5 217.2 0.7 1.4  
MB-21-402 No significant values
MB-21-403   81.4 81.9 0.5 0.5  
MB-21-404   19.0 21.6 2.6 2.1 AB07
MB-21-404 Including 19.0 20.0 1.0 4.6 AB07
MB-21-404   20.8 21.6 0.8 1.0 AB07
MB-21-404   36.6 48.6 12.0 1.3 AB08
MB-21-404 Including 40.3 45.1 4.8 3.0 AB08
MB-21-404   111.9 142.5 30.6 0.6 1000
MB-21-404   282.7 283.4 0.7 1.4 New H
MB-21-405   21.9 25.8 3.9 0.7 AB07
MB-21-405   46.5 47.0 0.5 1.7 AB08
MB-21-405   54.1 57.0 2.9 1.0 AB08
MB-21-405 Including 110.0 110.5 0.5 3.7 AB08
MB-21-405   121.0 142.9 21.9 0.5 1000
MB-21-405 Including 121.0 122.1 1.1 1.7 1000
MB-21-405   328.4 331.0 2.6 0.5 New H
MB-21-406   41.0 42.5 1.5 1.8 AB07
MB-21-406   60.7 61.8 1.1 1.5 AB08
MB-21-406   70.6 71.9 1.3 1.2 AB08
MB-21-406   134.1 134.6 0.5 0.7 1000
MB-21-406   137.1 140.2 3.1 0.5 1000
MB-21-406   160.9 161.9 1.0 1.4 New H
MB-21-406   326.2 326.9 0.7 0.7 New H
MB-21-407   36.0 38.0 2.0 0.5 1000
MB-21-408   187.5 191.0 3.5 3.4 New H
MB-21-408   194.7 195.2 0.5 2.4 New H
MB-21-408   270.0 271.9 1.9 1.6 New H
MB-21-409   88.6 97.6 9.0 2.3 New AB
MB-21-409 Including 91.0 93.6 2.6 6.8 New H
MB-21-409   150.8 155.2 4.4 2.7 New H
MB-21-409 Including 150.8 151.8 1.0 6.3 New H
MB-21-409 Including 154.4 155.2 0.8 5.2 New H
MB-21-409   198.8 206.0 7.2 0.5 New H
MB-21-409 Including 204.3 205.0 0.7 3.7 New H
MB-21-409   265.7 266.7 1.0 0.6 New H
MB-21-409   270.0 270.5 0.5 3.8 New H
MB-21-410   102.2 109.5 7.3 1.9 New H
MB-21-410 Including 102.2 103.7 1.5 3.4 New H
MB-21-410 Including 107.7 109.5 1.8 4.1 New H
MB-21-410   165.9 168.5 2.6 0.8 New H
MB-21-410   210.0 214.4 4.4 17.4 New H
MB-21-410 Including 211.3 211.8 0.5 146.0 New H
MB-21-410   219.2 220.1 0.9 1.0 New H
MB-21-410 Including 278.8 279.8 1.0 0.8 New H
MB-21-411   33.1 39.9 6.8 1.0 New H
MB-21-411 Including 35.2 36.2 1.0 3.2 New H
MB-21-412   771.0 772.8 1.8 1.1 H5
MB-21-412   803.1 804.4 1.3 1.2 H12
MB-21-413 Results Pending
MB-21-414   579.0 579.5 0.5 1.0 Vertical shear
MB-21-414   615.7 616.3 0.6 0.6  
MB-21-415   98.9 101.5 2.6 1.1 1000
MB-21-415 Including 98.9 99.8 0.9 2.5 1000
MB-21-415   106.0 110.0 4.0 1.8 1000
MB-21-415 Including 106.0 107.3 1.3 4.7 1000
MB-21-415   281.7 284.5 2.8 1.4 New H
MB-21-415 Including 283.5 284.5 1.0 3.7 New H
MB-21-416   795.2 795.8 0.6 1.3 H12
MB-21-416   796.5 797.3 0.8 1.4 H12
MB-21-416   798.7 803.8 5.1 10.8 H12
MB-21-416 Including 800.7 802.1 1.4 23.1 H12
MB-21-416   807.0 807.5 0.5 0.8 H12
MB-21-417   58.1 65.7 7.6 7.1 AB08
MB-21-417 Including 61.1 62.5 1.4 20.1 AB08
MB-21-417 Including 63.7 65.1 1.4 13.2 AB08
MB-21-417   67.2 68.6 1.4 0.7 AB08
MB-21-417   71.6 73.5 1.9 2.6 AB08
MB-21-417 Including 71.6 72.3 0.7 5.0 AB08
MB-21-417   97.0 103.3 6.3 3.9 New H
MB-21-417 Including 101.3 103.3 2.0 10.1 New H
MB-21-417   124.1 126.1 2.0 1.1 1000
MB-21-417   129.1 131.8 2.7 3.1 1000
MB-21-417 Including 130.0 131.3 1.3 4.1 1000
MB-22-418   153.3 154.8 1.5 0.8  
MB-22-419   227.5 238.9 11.4 1.2 New H
MB-22-419 Including 229.7 230.7 1.0 4.7 New H
MB-22-419 Including 232.7 233.6 0.9 4.3 New H
MB-22-420   548.3 548.8 0.5 0.7 H12
MB-22-420   551.5 557.6 6.1 12.1 H12
MB-22-420 Including 552.0 552.5 0.5 73.5 H12

 

Notes:

1) The meterage represents the length of the drilled lengths.
2) Mineralized host rock adjacent to vein material with anomalous values are included in reported intervals.
3) True widths are estimated to be greater than 70% of the drill intersection length.
4) The shown mineralized intervals listed are above 0.5 g/t Au.
5) Gold results obtained between 0.1 and 0.5 g/t Au are represented as anomalous values.
6) Gold results obtained below 0.1 g/t Au are represented as no significant values.

Quality Control and Reporting Protocols

The Barry 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 conducted 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., (OGQ # 1546) Chief Geologist of the Company oversees all exploration activities on the Barry project and has compiled and approved the information contained in this press release. Mr. Artinian is a qualified person as defined by National Instrument 43-101 ("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. Bonterra is focused on graduating from advanced exploration to a development company to deliver shareholder value.

FOR ADDITIONAL INFORMATION

Marc-Andre Pelletier, President & CEO
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2872 Sullivan Road, Suite 2, Val d'Or, Quebec J9P 0B9
819-825-8678 | Website: www.btrgold.com

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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