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Dakota Gold Corp. Completes Validation Drilling and Reports Continued Positive Results from its Program at the Richmond Hill Gold Project in South Dakota

By: Newsfile

Lead, South Dakota--(Newsfile Corp. - July 26, 2023) - Dakota Gold Corp. (NYSE American: DC) ("Dakota Gold" or the "Company") is pleased to report it has completed its metallurgical testing/validation drill program at the Richmond Hill Gold Project ("Richmond Hill") ahead of schedule and under budget. All holes have been logged, sampled, and shipped off for initial assays. A total of twenty-nine drill holes were completed for the program, and of those, results from sixteen of the holes have been returned to date: five of these holes were reported previously by the Company (see June 8 and June 15, 2023, press releases) and eleven additional drill holes are reported here. Assay results for the remaining thirteen holes of this program are pending.

Drill Hole Highlights (See Table 1):

  • The latest drill results generally confirmed the grade and intercept thickness expectations compared to historical drilling completed by LAC Minerals USA LLC. However, several holes exceeded the thickness and grades of the model, indicating there are untested parts of the system that are open along strike and at greater depth than previously understood. These drill holes include:
    • RH23C-036 intersecting 0.060 oz/ton over 65 feet (2.06 grams/tonne over 19.8 meters)
    • RH23C-039 intersecting 0.069 oz/ton over 36 feet (2.37 grams/tonne over 11.0 meters)
    • RH23C-045 intersecting 0.024 oz/ton over 112.3 feet (0.82 grams/tonne over 34.2 meters)
    • RH23C-046 intersecting 0.042 oz/ton over 96.7 feet (1.44 grams/tonne over 29.5 meters)
  • Program results have provided new insights into the major structures controlling brecciation and gold mineralization. This knowledge has provided new direction for step-out drilling in known breccia bodies to the north of the current drilling, and for new exploration drilling under the younger sedimentary cover in the Carbonate Camp area.
  • The Richmond Hill metallurgical testing/validation drill program remains on schedule to produce a compliant S-K 1300 Resource in the first Quarter of 2024. This will incorporate 880 historical drill holes with the current drill results.
  • This phase of drilling at Richmond Hill has produced results consistent with expectations with approximately 80,000 feet of drilling completed to this date.

James Berry, Vice President Exploration of Dakota Gold, said, "We are pleased how quickly and smoothly this validation drilling program was completed and thank our employees and contractors who contributed to its safe, successful, and rapid completion. The latest drill results continue to validate and extend the mineralization characterized by historical drill programs. In addition, the new geologic information from the core drilling is being used to update the geologic deposit model, which was based on reverse circulation rotary drilling and limited largely to near surface mineralization in the Cambrian sedimentary section. This new information will be essential for use in future mineral resource estimations. We continue to be impressed by the size and strength of the Richmond Hill breccia pipe mineralization. Several excellent targets remain outside of our current drilling area which we think will further expand this unique gold mineral system."

Exploration Update:

All twenty-nine of the recent drill holes completed at Richmond Hill were drilled as part of a Dakota Gold's metallurgical testing/validation drilling program, and the results continue to both confirm and extend mineralization within the central breccia pipe areas (target footage 34,924 ft / 10,583 m). Bulk samples for ten of the holes with assay results have already been selected by the Company's metallurgical contractor and shipped to a test facility in Canada where metallurgical characterization and recovery testing is being conducted. Additional material from the remaining drill holes with pending assays will also be shipped once results are returned and results are evaluated.

Drilling at Richmond Hill will now shift to exploration in other areas of the property including testing beneath the historical Richmond Hill breccia pipe, other breccias and structural intersections along the north-south structural corridor and targets in the Carbonate Camp area.

Table 1. RH23C-030, RH23C-035, RH23C-036, RH23C-039, RH23C-040, RH23C-041, RH23C-042 RH23C-043, RH23C-044, RH23C-045 and RH23C-046 Drill Results (Imperial / Metric Units)

Hole #FromToDepthInterval*GoldFromToDepthInterval*GoldMineral Type
ftftftftoz/tonmmmmg/t
RH23C-030311.2329.9193.718.70.07094.9100.6595.72.40Tert
370.0390.0221.720.00.018112.8118.967.66.10.62Tert
415.0424.8240.89.80.075126.5129.573.43.02.57Tert
RH23C-035105.3124.66919.30.02032.138.0215.90.69Tert
133.4176.786.443.30.02240.753.926.313.20.75Tert
189.0199.5116.210.50.02357.660.835.43.20.79BX
308.2364.819056.60.02393.9111.257.917.30.79BX
RH23C-036130.0171.567.141.50.02839.652.320.512.60.96Tert
185.0250.091.465.00.06056.476.227.919.82.06Tert
305.0409.0136.8104.00.03693.0124.741.731.71.23Tert
450.4495.0205.944.60.025137.3150.962.813.60.86BX
530.0539.0248.49.00.037161.5164.375.72.71.27Tert
555.0570.0261.815.00.023169.2173.779.84.60.79Tert
590.0737.3278.6147.30.038179.8224.784.944.91.30Tert
765.0781.0334.416.00.029233.2238.0101.94.90.99Tert
825.0860.0356.135.00.022251.5262.1108.510.70.75Tert
975.01015.0428.640.00.026297.2309.4130.612.20.89Tert
1070.01100.0485.430.00.029326.1335.3147.99.10.99Bx
1275.01285.6701.210.60.037388.6391.9213.73.21.27BX
1395.41425.2829.829.80.031425.3434.4252.99.11.06Tert
RH23C-039042.5042.50.020013.0013.00.69BX
133.5145.360.111.80.02740.744.318.33.60.93BX
196.4232.488.336.00.06959.970.826.911.02.37Tert
250.3273.7106.723.40.02376.383.432.57.10.79Tert
292.8305.5120.612.70.03589.293.136.83.91.20Tert
358.6455.0142.796.40.037109.3138.743.529.41.27BX
480.1544.4183.264.30.025146.3165.955.819.60.86BX
562.6790.4207.1227.80.020171.5240.963.169.40.69BX
837.0845.8297.98.80.023255.1257.890.82.70.79BX
920.0971.8324.351.80.016280.4296.298.815.80.55BX
1054.51063.14268.60.030321.4324.0129.82.61.03BX
1086.01163.0454.477.00.020331.0354.5138.523.50.69BX
1780.81800.41006.519.60.039542.8548.8306.86.01.34BX
RH23C-040171.5234.7108.863.20.02352.371.533.219.30.79Tert
675.3689.7455.614.40.017205.8210.2138.94.40.58Tert
884.0901.4624.61740.022269.4274.7190.45.30.75Tert
954.01000.0686.146.00.044290.8304.8209.114.01.51Tert
RH23C-041062.1062.10.020018.9018.90.69Tert
168.3227.0168.358.70.02551.369.251.317.90.86Tert
236.4281.6236.445.20.02672.185.872.113.80.89Tert
689.6703.5689.613.90.018210.2214.4210.24.20.62BX
1049.51076.81049.527.30.018319.9328.2319.98.30.62BX
1099.21129.31099.230.10.019335.0344.23359.20.65BX/Tert
1163.31181.61163.318.30.021354.6360.23354.65.60.72BX
RH23C-042164.0183.9110.819.90.01750.056.133.86.10.58Tert
232.6250.5158.617.90.02770.976.348.35.40.93Tert
259.4341.7176.382.30.02679.1104.253.725.10.89Tert
377.8398.4276.520.60.033115.2121.484.36.31.13Tert
484.9500.0368.215.10.016147.8152.4112.24.60.55Tert
RH23C-043167.6176.9113.79.30.01950.853.634.72.80.65Tert
236.5249.7157.213.20.01871.775.747.94.00.62Tert
263.3274.0172.810.70.04179.883.052.73.21.41Tert
404.5458.3250.853.80.025122.6138.976.416.30.86Tert/BX
541.2556.0336.214.80.023164.0168.5102.54.50.79Tert
588.0600.5359.212.50.024178.2182.0109.53.80.02Tert
RH23C-04438.0134.831.296.80.03111.641.19.529.51.06Tert
144.4157.0133.712.60.02944.047.940.83.80.99Tert
1170.01180.4100510.40.051356.6359.8306.33.21.75Tert
RH23C-04548.365.547.817.20.02114.720.014.65.20.72BX
88.2101.378.113.10.01726.930.923.84.00.58Tert
112.2123.895.611.60.01734.237.729.13.50.58BX
324.0359.1240.435.10.02298.8109.573.310.70.75Tert
369.0424.0272.355.00.033112.5129.283.016.81.13Tert
457.8570.1340.6112.30.024139.5173.8103.834.20.82Tert
595.0615.0485.220.00.018181.4187.5147.96.10.62Tert
952.3978.0836.925.70.022290.3298.1255.17.80.75BX
997.01007.0888.410.00.018303.9306.9270.83.00.62Tert
1501.11511.11290.610.00.018457.5460.6393.43.00.62BX
RH23C-04629.149.02119.90.0178.914.96.46.10.58Tert
364.4417.8240.553.20.023111.1127.373.316.30.79BX
445.9458.0326.112.10.033135.9139.699.43.71.13Tert
473.9517.6355.443.70.029144.4157.8108.313.30.99Tert
1060.21129.577469.30.021323.1344.3235.921.10.72Bx
1150.11246.8843.696.70.042350.6380.0257.129.51.44BX
1285.01337.3941.152.30.024391.7407.6286.815.90.82BX
1353.51385.0986.731.50.034412.5422.1300.79.61.17BX
1396.61449.71012.853.10.023425.7441.9308.716.20.79BX
1465.41476.31057.110.90.022446.7450.0322.23.30.75BX

 

*True thickness is unknown.

Abbreviations in the table include ounces per ton ("oz/ton"); grams per tonne ("g/t"); feet ("ft"); meter ("m"); Tertiary ("Tert"); and Breccia (Bx).

Cannot view this image? Visit: https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_002.jpg

Figure 1. Plan View of Dakota Gold Corp. Richmond Hill Drill Holes with Highlighted Gold Intercepts.

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_002full.jpg

Cannot view this image? Visit: https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_003.jpg

Figure 2. Cross Section View of Richmond Hill Drill Holes RH23C-036, RH23C-041 and RH23C-046.

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_003full.jpg

Cannot view this image? Visit: https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_004.jpg

Figure 3. Cross Section View of Richmond Hill Drill Hole RH23C-040.

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/8218/174907_ec97598dc434b8c2_004full.jpg

The Company currently has four drills operating on its properties in the Homestake District of South Dakota, with two drills operating at the Maitland Gold Project ("Maitland") and two drills operating at Richmond Hill. The Maitland drills are targeting Homestake-hosted and Tertiary gold mineralization and the Richmond Hill drills are targeting Tertiary breccias and replacement mineralization. Richmond Hill is located 2.3 miles west of Maitland and 1.5 miles north of Coeur Mining, Inc.'s Wharf Mine. The Wharf Mine produced 79,768 ounces at 0.021 oz/ton gold in 2022.

About Dakota Gold Corp.

Dakota Gold (NYSE American: DC) is a South Dakota-based responsible gold exploration and development company with a specific focus on revitalizing the Homestake District in Lead, South Dakota. Dakota Gold has high-caliber gold mineral properties covering over 46 thousand acres surrounding the historic Homestake Mine.

The Dakota Gold team is focused on new gold discoveries and opportunities that build on the legacy of the Homestake District and its 145 years of gold mining history.

Subscribe to Dakota Gold's e-mail list at www.dakotagoldcorp.com to receive the latest news and other Company updates.

Shareholder and Investor Inquiries

For more information, please contact:
Jonathan Awde, President and Chief Executive Officer
Tel: +1 604-761-5251
Email: JAwde@dakotagoldcorp.com

Qualified Person and S-K 1300 Disclosure

James M. Berry, a Registered Member of SME and Vice President of Exploration of Dakota Gold Corp., is the Company's designated qualified person for this news release as defined in Subpart 1300 - Disclosure by Registrants Engaged in Mining Operations of Regulation S-K and has reviewed and approved its scientific and technical content.

The ranges of potential tonnage and grade (or quality) disclosed above in respect of the Richmond Hill Gold Project are conceptual in nature and could change as the proposed exploration activities are completed. There has been insufficient exploration of the Richmond Hill Gold Project to allow for an estimate of a mineral resource and it is uncertain if further exploration will result in the estimation of a mineral resource. The disclosure above in respect of the Richmond Hill Gold Project therefore does not represent, and should not be construed to be, an estimate of a mineral resource or mineral reserve.

Quality Assurance/Quality Control consists of regular insertion of certified reference materials, duplicate samples, and blanks into the sample stream. Check samples will be submitted to an umpire laboratory as the drill program progresses. Assay results are reviewed, and discrepancies are investigated prior to incorporation into the Company database. Samples are submitted to the ALS Geochemistry sample preparation facility in Winnipeg, Manitoba. Gold and multi-element analyses are performed at the ALS Geochemistry laboratory in Vancouver, British Columbia. ALS Minerals is an ISO/IEC 17025:2017 accredited lab.

Forward-Looking Statements

This communication contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements are based on assumptions and expectations that may not be realized and are inherently subject to numerous risks and uncertainties, which could cause actual results to differ materially from these statements. These risks and uncertainties include, among others, the execution and timing of our planned exploration activities, our use and evaluation of historic data, our ability to achieve our strategic goals, the state of the economy and financial markets generally and the effect on our industry, and the market for our common stock. The foregoing list is not exhaustive. For additional information regarding factors that may cause actual results to differ materially from those indicated in our forward-looking statements, we refer you to the risk factors included in Item 1A of the Company's Annual Report on Form 10-KT for the nine-month transition period ended December 31, 2022, as amended, as updated by annual, quarterly and other reports and documents that we file with the SEC. We caution investors not to place undue reliance on the forward-looking statements contained in this communication. These statements speak only as of the date of this communication, and we undertake no obligation to update or revise these statements, whether as a result of new information, future events or otherwise, except as may be required by law. We do not give any assurance that we will achieve our expectations.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/174907

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