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Monarch Reports High-Grade Intersections at McKenzie Break, Including 35.9 g/t Au Over 0.5 m (1.6 ft), 28.2 g/t Au Over 0.66 m (2.2 ft), 17.2 g/t Over 0.9 m (2.9 ft) and 12.65 g/t Au Over 1.5 m (4.9 ft)

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Monarch Reports High-Grade Intersections at McKenzie Break, Including 35.9 g/t Au Over 0.5 m (1.6 ft), 28.2 g/t Au Over 0.66 m (2.2 ft), 17.2 g/t Over 0.9 m (2.9 ft) and 12.65 g/t Au Over 1.5 m (4.9 ft)






  • Monarch reports additional gold assays from its 2022 McKenzie Break drilling program.
  • Notable high-grade, near-surface intersections include 35.9 g/t Au over 0.5 m (MK-22-353), 28.2 g/t Au over 0.66 m (MK-22-334), 17.2 g/t Au over 0.9 m (MK-22-357) and 12.65 g/t Au over 1.5 m (MK-22-335).
  • The 2022 drilling program focused on expanding the proposed pit shell limits to the north and southwest.
  • Since the publication of the 2021 mineral resource estimate, Monarch has drilled 41,424 m in 121 holes.

MONARCH MINING CORPORATION (TSX: GBAR) (OTCQX: GBARF) is pleased to report additional results from the 2022 drilling program on its wholly owned McKenzie Break gold project, located 25 kilometres north of the Corporation’s Beacon mill with a design capacity of 750 tpd.


The 2022 drilling program began in April and 53 holes have been drilled for a total of 16,104 metres. The program aimed at expanding the size of the 2021 MRE pit shell in the up-dip direction (to the west), increasing the current underground resource to the east and north and testing additional exploration targets along the volcanic-intrusive contact to the south.


This press release relates to newly received assay results for 12 holes, namely holes MK-22-334 to 338, MK-22-343 to 344, MK-22-352 to 354 and MK-22-356 to 357 (see table 2 at the end of this release). The results for the holes drilled at the northern edge of the deposit include 35.9 g/t Au over 0.5 m and 11.05 g/t Au over 1.3 m, indicating that the mineralization remains open to the north. Drilling in the southwestern part of the deposit returned best intersections of 12.65 g/t Au over 1.5 m and 28.2 g/t Au over 0.66 m, showing that the mineralization also extends in the up-dip direction, thus confirming that the pit shell can be expanded to the west. The three holes drilled within the pit shell limits to fill in larger gaps in earlier drilling returned a best intersection of 17.20 g/t Au over 0.9 m (see Figure 1). Results are pending for the remaining 30 holes.


Since the publication of the 2021 MRE by Geologica and GoldMinds, Monarch has completed a total of 41,424 m of drilling in 121 drill holes. The holes are relatively shallow and were primarily drilled at the outer edge of the proposed pit shell limits and in the area of the underground mineral resource blocks. This drilling has confirmed that the pit shell and underground mineral resource can be expanded beyond the limits defined in the 2021 MRE.


“Our primary aim is to continue to expand the footprint of the mineral resource estimate, including the proposed pitshell,” said Jean-Marc Lacoste, President and Chief Executive Officer of Monarch. “The McKenzie Break mineralization remains open in all directions, and the near-surface intersections we are seeing confirm that the current pit shell limits and underground resource can still be expanded in several directions.”


About McKenzie Break

Gold mineralization occurs in an elongated diorite unit or lens within a shallow embayment of the Pascalis Batholith. Monarch continues to have drilling success beyond the limits of the current resource envelope (see Table 1). Based on the results obtained from the MRE and drilling to date, the mineralized envelope currently measures 1,100 metres by 600 metres and has been tested down to a vertical depth of 400 metres.


The table below shows the combined MRE for the McKenzie Break deposit. The McKenzie Break assay results and significant intervals and drill hole locations, as well as Monarch’s combined gold resources, can be found in tables at the end of this press release.


Table 1: 2021 MRE for the McKenzie Break deposit


Area (cut-off grade) Indicated resource Inferred resource
Pit-constrained (0.50 g/t Au) 1,441,377 1.80 83,305 2,243,562 1.44 104,038
Underground (2.38 g/t Au) 387,720 5.03 62,677 1,083,503 4.21 146,555
TOTAL 1,829,097   145,982 3,327,065   250,593


MRE notes:

  1. Mineral resources which are not mineral reserves do not have demonstrated economic viability. An Inferred Mineral Resource has a lower level of confidence than that applying to a Measured and Indicated Mineral Resource and must not be converted to a Mineral Reserve. The estimate of mineral resources may be materially affected by environmental, permitting, legal, title, market or other relevant issues. The quantity and grade of reported inferred resources are uncertain in nature and there has not been sufficient work to define these inferred resources as indicated or measured resources.

    2. The database used for this mineral estimate includes drill results obtained from historical records and up to the recent 2018-2020 drill program.

  2. Mineral resources are reported at a cut-off grade of 0.50 g/t Au for the pit-constrained and underground mineral resources are reported at a cut-off grade of 2.38 g/t Au within reasonably mineable volumes.
  3. These cut-offs were calculated at a gold price of C$1,980 ounce.
  4. The pit-constrained resources were based on the following parameters: mining cost $3.5/t, processing, transportation + G&A costs $27/t, Au recovery 95%, pit slopes 15 degrees for overburden and 50 degrees for rock.
  5. The underground reasonably mineable volumes were based on the following parameters: mining cost $98/t, processing, transportation + G&A costs $27/t, Au recovery 95%, dilution of 15% at 0 g/t Au with a minimum stope dimension of 10m x 10m x 5m.
  6. The geological interpretation of the deposits was based on lithologies and the typical mineralized interval mainly composed by diorite hosted shear zones.
  7. The mineral resource presented here was estimated with a block size of 5m x 5m x 5m for the pit-constrained and for underground.
  8. The blocks were interpolated from equal length composites calculated from the mineralized intervals. Prior to compositing, high-grade gold assays were capped to 60 g/t Au applied on 0.6-metre composites.
  9. The mineral estimation was completed using the inverse distance squared methodology utilizing two passes. For each pass, search ellipsoids followed the geological interpretation trends were used.
  10. Tonnage estimates are based on rock specific gravity of 2.77 tonnes per cubic metre for all the zones. Results are presented undiluted and in situ.
  11. Estimates use metric units (metres, tonnes and g/t). Metal contents are presented in troy ounces (metric tonne x grade / 31.10348).
  12. This mineral resource estimate is dated February 11, 2021, and with an amended date of October 14, 2021. The effective date for the drill hole database used to produce this updated MRE is February 1, 2021. Tonnages and ounces in the tables are rounded to the nearest hundred. Numbers may not total due to rounding.
  13. No economic evaluation of the resources has been produced.


The NI 43-101 Technical Evaluation Report on the McKenzie Break Property, October 14, 2021, was prepared by Alain-Jean Beauregard, P.Geo., Daniel Gaudreault, P.Eng. of Geologica Groupe-Conseil Inc., and Merouane Rachidi, P.Geo., Claude Duplessis, P.Eng. of GoldMinds GeoServices, all qualified persons under National Instrument 43-101.


Drill results are obtained by sawing the drill core into equal halves along its main axis and shipping one of the halves to ALS Canada in Val-d’Or, Québec, for assaying. The samples are crushed, pulverized and assayed by fire assay, with an atomic absorption finish. Samples exceeding 3 g/t Au are re-assayed using the gravity method and samples containing visible gold are assayed using the metallic screen method. Monarch uses a comprehensive QA/QC protocol, including the insertion of standards, blanks and duplicates.


The technical and scientific content of this press release has been reviewed and approved by Louis Martin, P.Geo., the Corporation’s qualified person under National Instrument 43-101.


About Monarch


Monarch Mining Corporation is a gold mining company that owns four projects, including the Beaufor Mine, which is currently on care and maintenance and has produced more than 1 million ounces of gold over the last 30 years. Other assets include the Croinor Gold, McKenzie Break and Swanson properties, all located near Monarch’s wholly owned Beacon Mill with a design capacity of 750 tpd. Monarch owns 29,504 hectares (295 km2) of mining assets in the prolific Abitibi mining camp that host a combined measured and indicated gold resource of 666,882 ounces and a combined inferred resource of 423,193 ounces.



Table 2: McKenzie Break assay results


Hole From (m) To (m) Width (m)* Au (g/t)
MK-22-334 14.88 15.54 0.66 28.20
MK-22-335 22.7 24.0 1.3 3.02
MK-22-335 48.0 49.5 1.5 12.65
MK-22-335 145.5 147.56 2.06 2.15
MK-22-336 96.5 98.0 1.5 1.62
MK-22-336 136.7 138.0 1.3 2.08
MK-22-337 161.0 162.0 1.0 2.73
MK-22-338 27.0 28.5 1.5 2.13
MK-22-338 94.5 97.5 3.0 1.50
MK-22-338 105.15 106.5 1.35 1.50
MK-22-343 67.3 68.0 0.7 2.91
MK-22-343 82.0 84.0 2.0 4.86
MK-22-343 102.5 103.5 1.0 1.46
MK-22-344 23.0 24.39 1.39 11.05
MK-22-344 32.56 33.33 0.77 2.60
MK-22-344 79.72 81.0 1.28 4.70
MK-22-344 91.74 94.65 2.91 5.80
MK-22-344 124.22 132.37 8.15 1.90
MK-22-352 52.0 52.5 0.5 1.18
MK-22-352 109.0 110.0 1.0 1.13
MK-22-352 134.5 136.5 2.0 1.61
MK-22-352 159.5 160.05 0.55 3.27
MK-22-352 207.0 207.5 0.5 2.60
MK-22-353 34.0 38.2 4.2 2.56
MK-22-353 221.0 223.0 2.0 2.55
MK-22-353 253.2 253.7 0.5 35.90
MK-22-354 10.0 11.0 1.0 5.13
MK-22-354 23.7 26.5 2.8 4.76
MK-22-354 61.0 62.0 1.0 2.79
MK-22-356 58.0 59.5 1.5 1.31
MK-22-356 182.0 183.0 1.0 1.56
MK-22-357 41.6 42.5 0.9 17.20
MK-22-357 100.0 101.5 1.5 2.89
MK-22-357 111.0 113.0 2.0 2.33
MK-22-357 127.5 129.0 1.5 2.84

*The width shown is the core length. True width is estimated to be between 60% and 70% of core length.

Table 3: McKenzie Break drill hole locations


Hole UTM_E (m) UTM_N (m) Azimut (°) Dip (°) Length (m)
MK-22-334 309575 5358466 230 -88 174
MK-22-335 309620 5358520 230 -88 186
MK-22-336 309620 5358461 230 -88 171
MK-22-337 309674 5358468 230 -88 255
MK-22-338 309618.7 5358399 230 -88 186
MK-22-343 309687.4 5358221 230 -88 201
MK-22-344 309850.5 5359174 230 -88 336
MK-22-352 309951.6 5359169 230 -88 375
MK-22-353 310131 5359218 230 -88 420
MK-22-354 309755 5358813 230 -88 255
MK-22-356 309800 5358696 230 -88 252
MK-22-357 309815 5358629 230 -88 210

Table 4: Monarch combined gold resources


Mineral resource estimates Tonnes
(g/t Au)
Beaufor Mine1      
Measured Resources 328,500 5.7 59,900
Indicated Resources 956,400 5.2 159,300
Total Measured and Indicated 1,284,900 5.3 219,200
Total Inferred 818,900 4.7 122,500
Croinor Gold2      
Measured Resources 97,700 6.24 19,600
Indicated Resources 805,900 6.50 168,300
Total Measured and Indicated 903,600 6.47 187,900
Total Inferred 200,100 6.19 39,800
McKenzie Break3      
Total Indicated 1,441,377 1.80 83,305
Total Inferred 2,243,562 1.44 104,038
Total Indicated 387,720 5.03 62,677
Total Inferred 1,083,503 4.21 146,555
Total Indicated 1,864,000 1.76 105,400
Total Inferred 29,000 2.46 2,300
Total Indicated 91,000 2.86 8,400
Total Inferred 87,000 2.87 8,000
Measured and Indicated Resources     666,882
Inferred Resources     423,193
1 Source: NI 43-101 Technical Report and Mineral Resource Estimate for the Beaufor Mine Project, October 13, 2021, Val-d’Or, Québec, Canada, Charlotte Athurion, P. Geo., Pierre-Luc Richard, P. Geo., and Dario Evangelista, P. Eng., BBA Inc.
2 Source: NI 43-101 Technical Report and Mineral Resource Estimate for the Croinor Gold Project, June 17, 2022, Val-d’Or, Québec, Canada, Olivier Vadnais-Leblanc, P.Geo., Carl Pelletier, P.Geo. and Eric Lecomte, P.Eng., InnovExplo Inc.
3 Source: NI 43-101 Technical Evaluation Report on the McKenzie Break Property, October 14, 2021, Val-d’Or, Québec, Canada, Alain-Jean Beauregard, P.Geo., Daniel Gaudreault, P.Eng., of Geologica Groupe-Conseil Inc., and Merouane Rachidi, P.Geo., Claude Duplessis, P.Eng., of GoldMinds GeoServices Inc.
4 Source: NI 43-101 Technical Report and Mineral Resource Estimate for the Swanson Project, January 22, 2021, Val-d’Or, Québec, Canada, Christine Beausoleil, P. Geo. and Alain Carrier, P. Geo., InnovExplo Inc.
5 Numbers may not add due to rounding.


Posted December 2, 2022

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