Bonterra Resources Inc. (TSX-V: BTR) (OTCQX: BONXF) (FSE: 9BR2) 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 at depth (Figures 1 and 2). The latest results encompass 13 diamond drill holes designed to expand the 2021 mineral resource estimate released in June (see press release dated June 23, 2021). Drilling highlights include 16.5 g/t grams-per-tonne gold over 2.7 metres in a new zone named H16, immediately northeast of the 2021 MRE.
The Company is currently drilling at a rate of approximately 6,000 m per month, focused on its main gold deposits to expand upon the recently released 2021 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.
Pascal Hamelin, CEO commented: “The results released today support our view that substantial near surface exploration potential exists at Barry. Recent exploration drilling hit both thick, continuous mineralization at open pit depth and high-grade intervals within 200 m depth immediately adjacent of the 2021 MRE. We look forward to receiving more diamond drill results from this area soon.”
Figure 1 – Barry Project – Drill Hole Location Map.
See Figure 2 for details of drill holes in the northeast sector of the Barry deposit
Figure 2 – Barry Project – Drill Hole Location Detailed Map
The Barry drilling campaign is currently focused on the expansion of key gold mineralized zones around the 2021 MRE. Multiple diamond drill holes tested open pit potential to the northeast of the open pit resource shell in the 2021 MRE and followed up on deeper intercepts in hole MB-20-323 in the same sector (see press release dated March 1, 2021). Near-surface mineralization above open pit cut-off grade was intercepted up to 100 m northeast of the existing pit shell (Table 1, Figures 2, 3 and 4). Mineralization remains open to the east. Drilling also confirmed the presence of several H-type zones north of the 1000 zone, returning high-grade intercepts at less than 200 m depth and laterally within 50 to 250 m of the existing resource along the 1000 zone (Table 1, Figures 2, 3 and 4). Follow-up drilling on these very promising targets is expected to begin soon in order to better define their geometries. Several drill holes also continued to test extensions of the H series structures to the southwest, with success along the H3 zone, outlining continued potential at depth (Table 1 and Figure 1).
Figure 3 – Barry Project – Composite Cross Section (MB-21-357, MB-21-358, MB-21-359, MB-21-360, MB-21-362)
Figure 4 – Barry Project – Composite Cross Section (MB-21-355, MB-21-368, MB-21-369, MB-21-370)
Barry Deposit Geology
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.
Table 1: Barry Drillhole Results Highlights
|Hole ID||From (m)||To (m)||Length (m)||Grade (g/t Au)||Zone|
|195.2||201.3||6.1||0.7||New H structure|
|including||200.7||201.3||0.6||3.7||New H structure|
|MB-21-357||No significant Assays|
|148.0||148.8||0.8||4.5||New H structure|
|191.3||195.2||3.9||3.6||New H structure|
|183.2||188.2||5.0||2.4||New H structure|
|including||183.2||184.1||0.9||5.0||New H structure|
|120.9||124.5||3.6||0.6||New H structure|
|including||123.2||123.9||0.7||1.4||New H structure|
|MB-21-367||192.4||193.2||0.8||0.7||New H structure|
|197.8||198.3||0.5||12.6||New H structure|
|110.9||116.5||5.6||1.2||New H structure|
|146.4||148.4||2.0||1.6||New H structure|
1) The length represents the interval of the drilled core.
2) True widths are estimated to be greater than 55% of the drill intersection length.
3) The shown mineralized intervals listed are above 0.5 g/t Au.
4) 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 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.
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.
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We acknowledge the [financial] support of the Government of Canada.