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Message: MacDonald Mines Makes 2 Discoveries at Scadding: 12.10 g/t Gold over 7.8m Including 71.10 g/t over 1m and

MacDonald Mines Makes 2 Discoveries at Scadding: 12.10 g/t Gold over 7.8m Including 71.10 g/t over 1m and

posted on Feb 11, 2020 08:17AM

 

 5.47 g/t Gold over 4.5m with Significant Copper, Cobalt and REOs
2020-02-11 07:59:43 AM ET (GlobeNewswire)
   
   

MacDonald Mines Exploration Ltd. (TSX-V: BMK) ("MacDonald Mines", "MacDonald" or the "Company") announces that it has received results from an additional 9 holes from its fall 2019 drill program resulting in the discovery of 2 new zones at the Company's SPJ Property, 40 kilometres east of Sudbury, Ontario. The 2020 drill program is currently underway and 3 holes from the fall 2019 program are still pending. Results will be reported when received.

Hole SM-19-016 made a significant discovery in the Daytona Structure intersecting 12.10 g/t gold over 7.8 metres including 1.0 metre at 71.10 g/t gold.

Hole SM-19-025 discovered a near-surface gold zone of 5.47 g/t gold over 4.5 metres (from 10.2 to 14.8 metres). This shallow discovery represents the interpreted western extension of the Villeneuve Structure reported in hole 22 (see news release Dec. 9, 2019). Of note is that all 5 holes associated with the Villeneuve Structure intersected significant cobalt, copper and/or Rare Earth Oxides ("REO") mineralization.

Quentin Yarie, MacDonald's President and CEO commented: "These 2019 drill results are further refining our predictive gold mineralization model at Scadding. We now understand that the gold-bearing structures identified are more extensive and much wider than initially thought. Our 2020 drilling program, that is already underway, will focus on expanding these recent discoveries laterally and at depth and testing several new targets on the SPJ Property.

As evidenced in today's results, the Daytona Structure appears to be hosting some very high-grade gold mineralization. With drilling results to date, historical data and geophysics, we've traced the Daytona Structure over a strike length of more than 1,100 metres. Similarly, the Villeneuve Structure, that stretches over nearly 1 kilometre in strike, will be the subject of further testing in 2020. Our 2019 drilling results continue to confirm that the Scadding Deposit is much larger than historically recognized. The presence of cobalt, copper and REOs continues to indicate that Scadding is a polymetallic IOCG-type deposit."

Table 1. Assay highlights of reported holes at the Daytona Zone

 Hole      From To   Length Gold
           (m)  (m)  (m)*   (g/t)
 SM-19-013 44.6 48.1 3.5    0.66
 SM-19-016 53.1 56.9 3.8    0.78
           91.2 99.1 7.9    12.10
           including
           97.1 98.1 1.0    71.10

* Assays results presented over core length. In SM-19-016 they are estimated to represent 65-85% true width in the Daytona Structure.

Table 2. Assay highlights of reported holes at the Villeneuve Zone

 Hole      From To   Length Gold  Cobalt Copper REO
           (m)  (m)  (m)*   (g/t) (%)    (%)    (%)**
 SM-19-015 29.2 30.2 1.0                        0.14
           70.0 71.1 1.1                        0.17
 SM-19-020 68.5 81.7 13.2   0.05                0.10
 including
 69.7      71.9 2.2                      0.19
 79.4      81.7 2.3  0.15                0.17
 SM-19-021 34.3 35.4 1.1    0.33  0.03
           65.0 67.0 2.0                 0.14
 SM-19-025 10.3 14.8 4.5    5.47
 including
 12.0      14.8 2.8  7.70
 20.5      22.1 1.6  0.81
 87.6      89.5 1.9  2.44   0.04

* Assays results presented over core length. In SM-19-025 they are estimated to represent 65-85% true width in the mineralized structures.

** REO is combined results of La and Ce converted as La2O3 and CeO2. The concentration of the other 13 rare earth elements ("REE") was not analyzed and results for those elements are not reported here.

Table 3. Attributes of the reported drill holes

 Hole No   x      y       z   Az  Dip
 SM-19-011 529246 5166475 318 282 -66
 SM-19-013 529369 5166501 312 241 -45
 SM-19-015 529480 5166433 299 316 -75
 SM-19-016 529406 5166464 309 305 -47
 SM-19-019 529636 5166483 296 315 -70
 SM-19-020 529587 5166443 297 235 -45
 SM-19-021 529629 5166484 297 235 -45
 SM-19-023 529203 5166339 304 309 -46
 SM-19-025 529445 5166481 310 305 -45

Figure 1. Location of the reported drill holes

Figure 1 is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/15f67e54-9aa6-4710-afc7-40b944fd9a10

Hole SM-19-011 was collared east of the Scadding Mine to test mineralization in the vicinity of the underground workings. It had to be terminated early as it intersected underground development 30 metres south of the discovery of 9.40 g/t gold over 4.9 metres in SM-19-012 (see January 23, 2020 news release).

Holes SM-19-015 and SM-19-019 were testing mineralization associated with the E-W pit but did not intersect any significant gold mineralization as they are now interpreted to have been collared down-dip and beyond the limits of the structure. This was understood after holes SM-19-018, SM-19-022 and SM-19-025 successfully discovered the extension of the Villeneuve Structure and showed that the Villeneuve structure is controlling mineralization in the E-W pit. Hole SM-19-015 intersected zones of REO mineralization in the Espanola formation associated with chlorite alteration.

Hole SM-19-021 tested the lateral and down-dip extension of the Villeneuve structure 25 metres east of hole SM-19-018 and successfully intersected the extension of the structure in which the attributes of mineralization were different from hole SM-19-022 and SM-19-025. Hole SM-19-021 intersected gold-cobalt mineralization in a zone richer in pyrrhotite and with less chlorite alteration.

Hole SM-19-020 tested the extension of the Villeneuve Structure, however it is now known that it was collared too far south and missed the structure. Hole SM-19-020 successfully intersected a wide zone of chlorite alteration hosting a broad zone of REO mineralization.

Holes SM-19-013 and SM-19-016 tested chlorite structures located between the Scadding Mine and the E-W Pit. Hole SM-19-013 successfully intersected a structure with chlorite alteration and variable pyrrhotite, pyrite, and minor chalcopyrite mineralization. Hole SM-19-016 successfully intersected the down-dip extension of the chlorite structure shallowly intersected in SM-19-013 and it indicates that the intensity of chlorite alteration and gold mineralization increases with depth in the area. The mineralization intersected in SM-19-016 could represent the southern extension of the Daytona Structure intersected in SM-19-004 and marginally in SM-19-013 (low-grade gold mineralization at 49 metres depth).

SM-19-023 intersected a diabase dyke.

Hole SM-19-025 tested the western extension of the E-W Pit and shallowly intersected the western extension of the Villeneuve Structure, 90 metres west of SM-19-022. Hole SM-19-025 also discovered a new chlorite zone at depth now known to overlay the Daytona Structure.

On-site Quality Assurance/Quality Control ("QA/QC") Measures

Drill core samples were transported in security-sealed bags for analyses to Bureau Veritas in Timmins, Ontario. Individual samples are labeled, placed in plastic sample bags and sealed. Groups of samples are then placed into durable rice bags and then shipped. The remaining coarse reject portions of the samples remain in storage if further work or verification is needed.

MacDonald has implemented a quality-control program to comply with best practices in the sampling and analysis of drill core. As part of its QA/QC program, MacDonald inserts external gold standards (low to high grade) and blanks every 20 samples in addition to random standards, blanks, and duplicates. All samples over 10 g/t gold or the samples with abundant visible gold are analysed by 1 kilogram metallic screen.

SPJ Property highlights

-- 100% ownership

-- 17,720 hectares in excellent mining jurisdiction and close to infrastructure

-- Hosts the high-grade past producing Scadding Gold Mine

-- Evidence of polymetallic mineralization at the Scadding Deposit indicative of IOCG potential

-- Significant gold, cobalt-copper, silver, nickel and rare earth showings outside of the Scadding Deposit footprint

Historically, the Scadding Mine produced 914 kilograms of gold from 127,000 tonnes of mineralized material grading 7.2 g/t (OFR 5771). MacDonald's reinterpretation of the geological model at the Scadding Deposit and larger SPJ property indicates that it could host a gold-rich Iron-Oxide-Copper-Gold deposit and that significant gold structures may have been missed by previous operators' drilling campaigns (2009-2011).

Figure 2. MacDonald Mines SPJ Property

Figure 2 is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/710779a2-c730-4787-a6a6-72aefc19c58d

Qualified Person

Quentin Yarie, P Geo. is the qualified person responsible for preparing, supervising and approving the scientific and technical content of this news release.

About MacDonald Mines Exploration Ltd.

MacDonald Mines Exploration Ltd. is a mineral exploration company headquartered in Toronto, Ontario focused on gold exploration in Canada. The Company is focused on developing its large SPJ Project in Northern Ontario.

The Company's common shares trade on the TSX Venture Exchange under the symbol "BMK".

To learn more about MacDonald Mines, please visit www.macdonaldmines.com

For more information, please contact:

Quentin Yarie, President & CEO, (416) 364-4986, [email protected]

Or Mia Boiridy, Investor Relations, (416) 364-4986, [email protected]

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.

This News Release contains forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as "may", "should", "expects", "plans", "anticipates", "believes", "estimates", "predicts", "potential" or "continue" or the negative of these terms or other comparable terminology. These statements are only predictions and involve known and unknown risks, uncertainties and other factors that may cause our or our industry's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by these forward-looking statements.

Although the Company believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.

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