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Osisko Development Intersects 9.05 g/t Au Over 11.65 Meters Including 73.0 g/t Au Over 0.75 Meter at Lowhee

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Osisko Development Intersects 9.05 g/t Au Over 11.65 Meters Including 73.0 g/t Au Over 0.75 Meter at Lowhee

 

 

 

 

 

Osisko Development Corp. (TSX.V-ODV) is pleased to announce drilling results from the 2021 exploration and category conversion drill campaign at its Cariboo Gold Project in central British Columbia.

 

Summary

  • A total of 29,450 meters were drilled in 94 holes at Lowhee Zone on Barkerville Mountain in 2021.
  • Final assay results have now been received and this release include holes BM-21-081 to BM-21-094 (Figures 1 and 2).
  • Drillhole BM-21-082 intersected multiple high-grade samples including 38.10 g/t Au over 0.50 meter, 70.00 g/t Au over 0.50 meter (visible gold noted here) and 72.70 g/t Au over 0.50 meter.
  • Drillhole BM-21-086 intersected multiple mineralized vein corridors with intervals that assayed 8.00 g/t Au over 5.30 meters including a high-grade sample of 49.00 g/t Au. An interval further down hole assayed 9.05 g/t Au over 11.65 meters including higher grade samples of 73.00 g/t Au and 39.70 g/t Au.
  • One drill is currently conducting infill and exploration on the Lowhee Deposit.
  • Detailed drilling results and a drill hole location plan map are presented at the end of this release.

 

Assay Highlights

  • 38.10 g/t Au over 0.50 meter in hole BM-21-082
  • 70.00 g/t Au over 0.50 meter in hole BM-21-082
  • 72.70 g/t Au over 0.50 meter in hole BM-21-082
  • 38.00 g/t Au over 0.50 meter in hole BM-21-083
  • 8.00 g/t Au over 5.30 meters in hole BM-21-086 including
  • 49.00 g/t Au over 0.65 meter
  • 9.05 g/t Au over 11.65 meters in hole BM-21-086 including
  • 73.00 g/t Au over 0.75 meter and
  • 39.70 g/t Au over 1.20 meters
  • 6.61 g/t Au over 4.50 meters in hole BM-21-093
  • 4.95 g/t Au over 7.65 meters in hole BM-21-093 including
  • 23.40 g/t Au over 1.15 meters

 

Chris Lodder, President of Osisko Development commented, “As the Lowhee deposit is located immediately to the Southeast of the Cow Mountain deposit within the Cariboo Gold Project, these new results continue to highlight the extensive on strike and at depth mineralization potential yet to be defined along the Cariboo trend. Infill drilling is presently taking pace at Lowhee to better define an area for the fully permitted, 10,000 tonne bulk underground sample, of Cariboo style mineralization. This bulk sample will be accessed from the newly established Cow Mountain Portal located at Lowhee.”

 

Vein corridors are defined as a high-density network of mineralized quartz veins within the axis of the last folding event and hosted within a brittle meta-sandstone or calcareous meta-sandstone. Vein corridors are modelled at a minimum thickness of 2.00 meters and average about 4.50 meters true width. Individual mineralized veins within these corridors have widths varying from centimeters to several meters and strike lengths from a few meters to over 50 meters. These corridors have been defined from surface to a vertical depth averaging 300 meters and remain open for expansion at depth and along strike. Gold grades are intimately associated with quartz vein-hosted pyrite as well as pyritic, intensely silicified wall rock haloes in close proximity to the veins.

 

True widths are estimated to be 60% to 75% of reported core length intervals. Intervals not recovered by drilling were assigned zero grade. Top cuts have not been applied to high grade assays. Complete assay highlights are presented in Table 1, drill hole locations are listed in Table 2.

 

Figure 1: Cariboo deposit areas overview map is available at

https://www.globenewswire.com/NewsRoom/AttachmentNg/c93df3a0-e0c9-457f-8089-629455ce8088

 

Figure 2: Lowhee Zone select drilling highlights is available at

https://www.globenewswire.com/NewsRoom/AttachmentNg/f9e4bdc6-b06b-4968-86f2-da3e49191f0b

 

Qualified Persons

 

Per National Instrument 43-101 Standards of Disclosure for Mineral Projects, Maggie Layman, P.Geo. Vice President Exploration of Osisko Development Corp., is a Qualified Person and has prepared, validated, and approved the technical and scientific content of this news release.

 

Quality Assurance – Quality Control

 

Once received from the drill and processed, all drill core samples are sawn in half, labelled and bagged. The remaining drill core is subsequently stored on site at a secured facility in Wells, BC. Numbered security tags are applied to lab shipments for chain of custody requirements. Quality control (QC) samples are inserted at regular intervals in the sample stream, including blanks and reference materials with all sample shipments to monitor laboratory performance. The QAQC program was designed and approved by Lynda Bloom, P.Geo. of Analytical Solutions Ltd.

 

Drill core samples are submitted to ALS Geochemistry’s analytical facility in North Vancouver, British Columbia for preparation and analysis. The ALS facility is accredited to the ISO/IEC 17025 standard for gold assays and all analytical methods include quality control materials at set frequencies with established data acceptance criteria. The entire sample is crushed, and 250 grams is pulverized. Analysis for gold is by 50g fire assay fusion with atomic absorption (AAS) finish with a lower limit of 0.01 ppm and upper limit of 100 ppm. Samples with gold assays greater than 100 ppm are re-analyzed using a 1,000g screen metallic fire assay. A selected number of samples are also analyzed using a 48 multi-elemental geochemical package by a 4-acid digestion, followed by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) and Inductively Coupled Plasma Mass Spectroscopy (ICP-MS).

 

About Osisko Development Corp.

 

Osisko Development Corp. is uniquely positioned as a premier gold development company in North America to advance the Cariboo Gold Project and other Canadian and Mexican properties, with the objective of becoming the next mid-tier gold producer. The Cariboo Gold Project, located in central British Columbia, is Osisko Development’s flagship asset with measured and indicated resources of 21.44 Mt at 4.6 Au g/t for a total of 3.2 million ounces of gold and inferred resource of 21.69 Mt at 3.9 Au g/t for a total of 2.7 million ounces of gold (see NI 43-101 Technical Report and mineral resource estimate effective October 5th, 2020). The considerable exploration potential at depth and along strike distinguishes the Cariboo Gold Project relative to other development assets as does the historically low, all-in discovery costs of US $19 per ounce. The Cariboo Gold Project is advancing through permitting as a 4,750 tonnes per day underground operation with a feasibility study on track for completion in the first half of 2022. Osisko Development’s project pipeline is complemented by potential near-term production targeted from the San Antonio gold project, located in Sonora Mexico. Osisko Development began trading on the TSX Venture Exchange under the symbol “ODV” on December 2, 2020 and the Company’s 14,789,373 outstanding share purchase warrants were listed on the TSX Venture Exchange under the symbol “ODV.WT” on October 25, 2021.

 

 

Table 1: Cariboo Gold Project 2021 Length Weighted Drill Hole Gold Composites

 

HOLE ID   FROM (M) TO (M) LENGTH (M) AU (G/T)
BM-21-081   56.50 57.50 1.00 4.01
    105.60 106.10 0.50 12.65
    137.30 137.80 0.50 15.70
    188.10 190.10 2.00 7.76
  Including 188.10 188.60 0.50 24.70
  and 189.60 190.10 0.50 6.22
    201.25 204.05 2.80 7.37
  Including 201.75 202.95 1.20 6.71
  and 202.95 203.45 0.50 18.75
    210.35 210.85 0.50 15.90
    223.20 226.80 3.60 4.09
  Including 226.30 226.80 0.50 24.00
    233.80 234.30 0.50 23.30
    259.70 261.60 1.90 4.22
BM-21-082   155.35 155.85 0.50 38.10
    246.65 247.15 0.50 4.20
    288.85 289.60 0.75 19.15
    309.00 311.00 2.00 10.17
  Including 310.20 311.00 0.80 21.00
    351.20 351.70 0.50 70.00
    359.20 359.70 0.50 72.70
    403.80 404.40 0.60 4.06
    424.00 424.50 0.50 7.52
    428.20 430.60 2.40 4.16
  Including 429.60 430.10 0.50 9.88
    438.50 440.00 1.50 6.06
  Including 439.45 440.00 0.55 14.30
BM-21-083   142.25 142.75 0.50 38.00
    158.25 159.00 0.75 6.25
    171.25 171.95 0.70 3.92
    193.05 193.55 0.50 5.16
BM-21-084   142.50 143.00 0.50 16.00
    154.60 155.50 0.90 21.80
    186.10 188.00 1.90 13.33
    203.00 203.50 0.50 9.98
    205.70 206.20 0.50 14.85
BM-21-085 No Significant Assays      
BM-21-086   49.80 51.10 1.30 12.15
    169.20 174.50 5.30 8.00
  Including 169.20 169.80 0.60 12.20
  and 173.85 174.50 0.65 49.00
    179.85 191.50 11.65 9.05
  Including 179.85 180.60 0.75 73.00
  and 190.30 191.50 1.20 39.70
    199.10 199.60 0.50 50.30
    214.30 216.30 2.00 6.77
    215.80 216.30 0.50 12.75
    232.15 232.90 0.75 4.58
    237.75 241.10 3.35 6.40
  Including 237.75 238.50 0.75 10.25
  and 238.50 239.00 0.50 15.70
    262.00 265.10 3.10 8.17
  Including 262.00 262.60 0.60 29.20
  and 264.00 264.60 0.60 11.80
BM-21-087   145.50 146.00 0.50 4.97
    199.75 200.75 1.00 5.62
  Including 199.75 200.25 0.50 8.39
    239.80 240.55 0.75 5.66
BM-21-088 No Significant Assays      
BM-21-089 No Significant Assays      
BM-21-090   329.50 330.40 0.90 2.75
BM-21-091   291.45 292.55 1.10 5.77
    311.35 312.10 0.75 4.88
BM-21-092 No Significant Assays      
BM-21-093   215.20 219.70 4.50 6.61
  Including 217.15 218.00 0.85 11.30
  and 219.10 219.70 0.60 23.60
    258.70 259.20 0.50 28.90
    269.50 277.15 7.65 4.95
  Including 269.50 270.10 0.60 13.60
  and 276.00 277.15 1.15 23.40
    285.00 286.50 1.50 7.59
  Including 285.00 286.00 1.00 10.00
BM-21-094   83.00 84.00 1.00 3.64
    91.70 93.50 1.80 11.58
  Including 91.70 92.85 1.15 14.90
    104.10 104.65 0.55 8.81
    172.50 174.00 1.50 3.56
    190.40 194.40 4.00 6.62
  Including 190.40 191.10 0.70 17.10
    193.55 194.40 0.85 16.95
    207.45 208.00 0.55 4.31
    281.00 281.50 0.50 8.09
    291.10 291.60 0.50 17.60
    341.00 341.55 0.55 4.24

 

 

Table 2: Drill Hole Locations and Orientations

 

HOLE ID EASTING NORTHING ELEV DIP AZI DEPTH (M)
BM-21-081 596541 5882783 1457 -51 302 296
BM-21-082 596654 5882697 1491 -50 320 488
BM-21-083 596541 5882783 1458 -64 318 273
BM-21-084 596611 5882755 1480 -59 300 360
BM-21-085 596612 5882754 1477 -48 296 135
BM-21-086 596612 5882753 1476 -63 298 300
BM-21-087 596611 5882752 1477 -56 287 252
BM-21-088 596675 5882744 1491 -55 294 126
BM-21-089 596675 5882744 1495 -55 294 117
BM-21-090 596674 5882744 1492 -53 311 354
BM-21-091 596675 5882745 1491 -53 305 372
BM-21-092 596674 5882745 1490 -55 304 183
BM-21-093 596675 5882744 1492 -60 298 372
BM-21-094 596627 5882602 1490 -45 306 368

 

Posted March 31, 2022

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