Tudor Gold Corp. (TSX-V: TUD) (Frankfurt: H56) is pleased to announce the results of its updated Mineral Resource Estimate prepared by Garth Kirkham P. Geo., of Kirkham Geosystems Ltd., and JDS Energy and Mining Inc. for its flagship Treaty Creek project located in the Golden Triangle Region of British Columbia.
Tudor Gold’s previous MRE for the Project was included in a technical report entitled “NI 43-101 Technical Report, Treaty Creek Project, British Columbia,”, dated April 28, 2023, with an effective date of April 28, 2023.
Highlights of the 2024 Updated Mineral Resource Estimate for the Goldstorm Deposit:
Commenting on the results, Ken Konkin, President & CEO of Tudor Gold, “Our technical team has done an outstanding job, increasing the volume, the grade, and the geological understanding of our massive Goldstorm Deposit. The 2023 drill hole program was designed to expand the mineralized domains to their northern, northeastern and eastern extents. We not only pushed out the edges of the Deposit, but we also successfully increased the grade of the Inferred Mineral Resource. The 2023 Inferred Mineral Resource was 7.35 million ounces of AuEQ at 0.98 g/t AuEQ but we were able to convert some of those ounces to the Indicated category and increase the grade of the current Inferred Mineral Resource of 6.03 million ounces of AuEQ to 1.25 g/t AuEQ. This was a result of drilling higher grades in our step-out holes, as well as converting several of the 2023 Inferred Mineral Resources to the Indicated Mineral Resource category through closer-spaced fill-in drilling. Furthermore, the copper content of the CS-600 domain in the Indicated category has also increased by 37%, now containing 2.73 billion lbs of copper at 0.31% with an additional Inferred Mineral Resource of 476 million lbs of 0.29% copper. The higher gold-equivalent grades in the Inferred category strongly suggests that we have not yet passed through the strongest portion of the Goldstorm mineralized system. We hope that the 2024 drill program can give us clear information about the configuration and boundaries of the Deposit, as it remains open in all directions and at depth. Our Goldstorm system has continued to expand, as has our understanding of the minable potential, as we continue to advance the project towards a PEA.
Tudor Gold is also pleased to announce the signing of a Memorandum of Understanding with the Tsetsaut Skii km Lax Ha Nation, on whose territory the project area is located. Tudor Gold understands and acknowledges that the Nisga’a and Tahltan also assert interests in the Treaty Creek area. In accordance with the Ministry of Mines, we seek consultation with all First Nation groups as part of our compliance and permitting requirements. We are committed to working with all First Nations groups who may be impacted by our project as part of our Truth and Reconciliation policies. We welcome the opportunity of working together to build a strong and robust project that is beneficial to all who live in the Northern communities.”
Updated Mineral Resource Estimate for the Goldstorm Deposit
The MRE was prepared by Garth Kirkham, P.Geo, based on 225 diamond drill holes (175,719 meters) completed between 2007 and 2023. The MRE included 27,394 meters of diamond drill holes that were completed since the 2023 MRE. A National Instrument 43-101 Technical Report is expected to be prepared by Garth Kirkham Geosystems and JDS and posted on www.tudor-gold.com and under the Company’s profile on www.SEDAR.com within 45 days of the date of this news release.
Table 1: Summary of Indicated and Inferred Mineral Resources as of February 20, 20241-6
Mine Area | Tonnage (Mt) |
AuEQ (g/t) |
Au (g/t) |
Cu (%) |
Ag (g/t) |
AuEQ (Moz) |
Au (Moz) |
Cu (Mlb) |
Ag (Moz) |
Indicated Mineral Resource | |||||||||
Pit | 68.94 | 1.06 | 1.03 | 0.02 | 3.69 | 2.36 | 2.28 | 29.33 | 8.19 |
Underground | 661.25 | 1.20 | 0.91 | 0.20 | 5.67 | 25.51 | 19.38 | 2842.74 | 120.54 |
Combined | 730.20 | 1.19 | 0.92 | 0.18 | 5.48 | 27.87 | 21.66 | 2872.07 | 128.73 |
Inferred Mineral Resource | |||||||||
Pit | 0.35 | 0.82 | 0.79 | 0.01 | 3.06 | 0.01 | 0.01 | 0.09 | 0.03 |
Underground | 149.26 | 1.25 | 1.01 | 0.15 | 6.03 | 6.02 | 4.87 | 503.15 | 28.94 |
Combined | 149.61 | 1.25 | 1.01 | 0.15 | 6.02 | 6.03 | 4.88 | 503.23 | 28.97 |
The Goldstorm sensitivity tables (Tables 2,3,4 and 5) report the variation of resource grade and tonnage with respect to the change in cut-off grades for the Indicated and Inferred Mineral Resources.
Table 2: Indicated Mineral Resource Cutoff Sensitivity – Pit Constrained1
Pit Cutoff |
Tonnage (Mt) |
AuEQ g/t |
Au g/t |
Cu % |
Ag g/t |
AuEQ Moz |
Au Moz |
Cu Mlb |
Ag Moz |
0.4 | 95.63 | 0.93 | 0.89 | 0.02 | 3.20 | 2.85 | 2.75 | 36.33 | 9.84 |
0.5 | 88.61 | 0.96 | 0.93 | 0.02 | 3.33 | 2.74 | 2.65 | 34.51 | 9.48 |
0.6 | 80.07 | 1.01 | 0.97 | 0.02 | 3.49 | 2.59 | 2.50 | 32.35 | 8.98 |
0.72 | 69.29 | 1.06 | 1.03 | 0.02 | 3.69 | 2.37 | 2.29 | 29.42 | 8.22 |
0.8 | 57.16 | 1.13 | 1.09 | 0.02 | 3.92 | 2.08 | 2.00 | 25.43 | 7.21 |
0.9 | 44.84 | 1.21 | 1.16 | 0.02 | 4.20 | 1.74 | 1.68 | 21.14 | 6.05 |
Table 3: Indicated Mineral Resource Cutoff Sensitivity – Underground1
UG Cutoff |
Tonnage (Mt) |
AuEQ g/t |
Au g/t |
Cu % |
Ag g/t |
AuEQ Moz |
Au Moz |
Cu Mlb |
Ag Moz |
0.5 | 810.32 | 1.10 | 0.84 | 0.18 | 5.18 | 28.60 | 21.85 | 3 129.85 | 135.06 |
0.6 | 766.70 | 1.13 | 0.86 | 0.18 | 5.34 | 27.82 | 21.21 | 3 066.17 | 131.51 |
0.7 | 700.73 | 1.17 | 0.89 | 0.19 | 5.55 | 26.43 | 20.10 | 2935.20 | 124.99 |
0.752 | 661.25 | 1.20 | 0.91 | 0.20 | 5.67 | 25.51 | 19.38 | 2 842.74 | 120.54 |
0.8 | 618.58 | 1.23 | 0.93 | 0.20 | 5.79 | 24.45 | 18.55 | 2 734.31 | 115.19 |
0.9 | 525.43 | 1.30 | 0.98 | 0.21 | 6.04 | 21.91 | 16.59 | 2 465.04 | 101.98 |
1.0 | 428.72 | 1.37 | 1.04 | 0.23 | 6.28 | 18.95 | 14.37 | 2 126.64 | 86.49 |
Table 4: Inferred Mineral Resource Cutoff Sensitivity – Pit Constrained1
Pit Cutoff |
Tonnage (Mt) |
AuEQ g/t |
Au g/t |
Cu % |
Ag g/t |
AuEQ Moz |
Au Moz |
Cu Mlb |
Ag Moz |
0.4 | 4.52 | 0.51 | 0.49 | 0.01 | 1.86 | 0.07 | 0.07 | 1.38 | 0.27 |
0.5 | 1.83 | 0.62 | 0.60 | 0.01 | 2.14 | 0.04 | 0.04 | 0.46 | 0.13 |
0.6 | 0.79 | 0.72 | 0.69 | 0.01 | 2.45 | 0.02 | 0.02 | 0.19 | 0.06 |
0.702 | 0.35 | 0.82 | 0.79 | 0.01 | 3.06 | 0.01 | 0.01 | 0.09 | 0.03 |
0.8 | 0.15 | 0.93 | 0.89 | 0.01 | 3.91 | 0.00 | 0.00 | 0.04 | 0.02 |
0.9 | 0.06 | 1.07 | 1.01 | 0.01 | 5.42 | 0.00 | 0.00 | 0.02 | 0.01 |
Table 5: Inferred Mineral Resource Cutoff Sensitivity – Underground1
UG Cutoff |
Tonnage (Mt) |
AuEQ g/t |
Au g/t |
Cu % |
Ag g/t |
AuEQ Moz |
Au Moz |
Cu Mlb |
Ag Moz |
0.5 | 173.86 | 1.17 | 0.95 | 0.14 | 5.58 | 6.53 | 5.29 | 542.37 | 31.17 |
0.6 | 166.84 | 1.19 | 0.97 | 0.15 | 5.73 | 6.40 | 5.18 | 536.27 | 30.74 |
0.7 | 157.10 | 1.23 | 0.99 | 0.15 | 5.91 | 6.20 | 5.01 | 518.84 | 29.84 |
0.752 | 149.26 | 1.25 | 1.01 | 0.15 | 6.03 | 6.02 | 4.87 | 503.15 | 28.94 |
0.8 | 140.68 | 1.28 | 1.04 | 0.16 | 6.17 | 5.80 | 4.70 | 482.89 | 27.89 |
0.9 | 121.32 | 1.35 | 1.10 | 0.16 | 6.45 | 5.27 | 4.28 | 432.48 | 25.17 |
1.0 | 101.26 | 1.43 | 1.17 | 0.17 | 6.80 | 4.66 | 3.81 | 369.91 | 22.14 |
The Goldstorm Deposit consists of six mineral domains with unique geological characteristics. Five of the domains are gold-dominant with lesser proportions of silver and copper. Domain CS-600 is dominantly gold and copper rich, with lesser silver. The CS-600 hosts the majority of the copper at the Goldstorm Deposit and consists of a well-defined intrusive porphyry system. Table 6 summarizes the Indicated and Inferred Mineral Resources for each mineral domain.
Table 6: Mineral Resources by Domain – Combined Pit and Underground1
Indicated Mineral Resources | |||||||||
Domain | Tonnage (Mt) |
AuEQ (g/t) |
Au (g/t) |
Cu (%) |
Ag (g/t) |
AuEQ (koz) |
Au (koz) |
Cu (Mlb) |
Ag (Moz) |
300H | 184.86 | 1.08 | 1.05 | 0.02 | 3.76 | 6.44 | 6.22 | 92.28 | 22.32 |
300N | 11.62 | 1.51 | 1.46 | 0.01 | 4.55 | 0.56 | 0.55 | 2.64 | 1.70 |
CS-600 | 400.29 | 1.22 | 0.78 | 0.31 | 5.71 | 15.65 | 9.99 | 2725.13 | 73.47 |
DS5 | 124.75 | 1.22 | 1.14 | 0.02 | 7.60 | 4.89 | 4.59 | 48.68 | 30.47 |
R66 | 3.10 | 1.40 | 1.38 | 0.03 | 1.90 | 0.14 | 0.14 | 2.18 | 0.19 |
Copper Belle | 5.58 | 1.02 | 0.99 | 0.01 | 3.27 | 0.18 | 0.18 | 1.36 | 0.59 |
Inferred Mineral Resources | |||||||||
300H | 0.09 | 1.04 | 0.98 | 0.03 | 6.16 | 0.00 | 0.00 | 0.07 | 0.02 |
300N | 2.31 | 1.75 | 1.72 | 0.01 | 3.12 | 0.13 | 0.13 | 0.44 | 0.23 |
CS-600 | 74.03 | 1.20 | 0.79 | 0.29 | 5.63 | 2.86 | 1.87 | 475.62 | 13.40 |
DS5 | 72.83 | 1.29 | 1.22 | 0.02 | 6.53 | 3.02 | 2.87 | 27.13 | 15.29 |
In Pit, External2 | 0.35 | 0.10 | 0.09 | 0.01 | 0.88 | 0.00 | 0.00 | 0.05 | 0.01 |
Figure 1: Goldstorm Deposit MRE Domains
Metallurgical Studies Update
Blue Coast Research Ltd. (BCR), under the supervision of Tad Crowie, P. Eng of JDS Energy & Mining Inc., has been conducting a metallurgical test work program on samples from the Company’s Goldstorm Deposit from the Treaty Creek Property. The program includes flotation and whole ore cyanide leach to build on previous work conducted at SGS and Bureau Veritas (BV). The flotation tests demonstrate that the CS-600 domain can produce a quality copper concentrate with significant quantities of gold. Also, CS-600 cyanidation results demonstrated improved gold recoveries over previous test work. The positive flotation and leaching tests, along with previously conducted oxidative stage (POX, Albion, or bioleach) and leaching will continue to allow for previously reported gold recoveries of 90% and copper recoveries of 80% for the CS-600 domain. The testwork completed to date has indicated that there are no deleterious elements of concern in processing the Treaty Creek material or selling concentrates.
In the flotation tests, emphasis was placed on the CS-600 domain to produce a copper concentrate and a pyrite/gold concentrate as the CS-600 area had previously only received preliminary test work. Metallurgical results from the CS-600 domain include:
The next phase of metallurgical test work will build upon the results that have already been achieved with a program that will provide information to be used in a Preliminary Economic Assessment. The test work will include comminution, follow up flotation tests, alternate forms of oxidation, and leaching tests to recover copper and gold. The flotation tests will target reducing the amount of non-sulphide gangue that is entrained in the flotation concentrates to improve the concentrate grades achieved thus far.
Qualified Persons
The Goldstorm MRE was prepared under the supervision of Garth Kirkham, P.Geo, FGC, of Kirkham Geosystems Ltd., with metallurgical expertise provided by Tad Crowie, P.Eng, of JDS Energy and Mining Inc, who are Independent Qualified Persons, as defined by National Instrument 43-101. Mr. Kirkham and Mr. Crowie have reviewed and approved the technical contents of this news release.
Ken Konkin, P.Geo, President and CEO, Tudor Gold, is the Qualified Person, as defined by National Instrument 43-101, responsible for the Project. Mr. Konkin has reviewed, verified, and approved the scientific and technical information in this news release.
About Tudor Gold
TUDOR GOLD CORP. is a precious and base metals exploration and development company with claims in British Columbia’s Golden Triangle (Canada), an area that hosts producing and past-producing mines and several large deposits that are approaching potential development. The 17,913-hectare Treaty Creek project (in which TUDOR GOLD has a 60% interest) borders Seabridge Gold Inc.’s KSM property to the southwest and borders Newmont Corporation’s Brucejack property to the southeast.
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