Brixton Metals (TSXV:BBB) Reports Results of 709m of 0.34% CuEq, Including 362m of 0.44% CuEq, Including 102.15m of 0.61% CuEq From Thorn Project in BC

Brixton Metals (TSXV:BBB) has reported new drilling results from the Camp Creek Cu-Au-Ag-Mo Porphyry Target at the Thorn Project in British Columbia, Canada. A total of 18,122 metres were drilled for the 2022 season. This includes 6,484m at the Camp Creek Porphyry Target and an additional 9,119m at the Trapper Target. The company collected 1,157 soil samples and 520 rocks from the Metla and Trapper Targets, along with the East Copper Target and the Val Copper Target. Brixton also completed a total of 1,229 line kilometres of airborne magnetics and radiometric work flown over the Trapper, Metla, and Val, and East Targets. This drill program began in May 2022 and was completed by late October 2022.

Chairman & CEO, Gary Thompson, commented in a press release: “We are excited to see the potential scale emerge of the Camp Creek Porphyry Target. The distance between these two reported holes is 420m. Drill hole 213 was collared 235m west-southwest of the collars for 201-184 and drill hole 231 was collared 280m north from the collars for 201-184. Mr. Thompson further stated that, “we have yet to process all of the 2022 data and convene our maiden technical committee meeting with BHP but one of the 2023 exploration objectives may be to identify the high-grade copper core of the Camp Creek porphyry and to test the limits of the mineralized system.”

Vice President of Exploration, Christina Anstey, commented in a press release: “We are encouraged by the large-scale potential of the Camp Creek Copper Porphyry Target. We collected a molybdenite sample for age dating (pending) from hole 150 which was drilled to 829m in the Oban Diatreme Breccia (see Figure 2 and 3) where considerable mineralized (chalcopyrite-molybdenite) porphyry clasts were identified. This is important for a few reasons: one is that hole 150 is collared 1000m east from hole 213 and we have yet to make the connection genetically or physically from the mineralized diatreme to the porphyry; and two, if we can make this link through age dating then it really opens up the eastern potential of the target which has not been drilled at depth.”

Highlights from the results are as follows:

  • Hole THN22-213 yielded 709.00m of 0.34% CuEq from 534m depth
    • Including 484.00m of 0.41% CuEq
    • Including 362.00m of 0.44% CuEq
    • Including 102.15m of 0.61% CuEq
    • Including 64.15m of 0.65% CuEq

  • Hole THN22-231 yielded 778.08m of 0.30% CuEq from 519.5m depth
    • Including 531.00m of 0.36% CuEq
    • Including 102.00m of 0.46% CuEq
  • This copper dominant porphyry mineralization remains wide open, including at depth.

The Camp Creek acid-sulphate alteration and geochemical expression further to the east-northeast is covered and unconformably overlain by a late rhyolite flowdome complex, which suggests the porphyry mineralization may continue under this volcanic cover (see Figure 1) providing for a 1km by 2km porphyry target area.

Table 1. Select Intervals of Mineralization in Holes THN22-213 and THN22-231.

Hole ID From (m) To (m) Interval (m) Cu (%) Au (g/t) Ag (g/t) Mo (ppm) CuEq (%)*
THN22-213 64.50 75.00 10.50 0.91 0.51 24.40 1.70 1.36
  534.00 1243.00 709.00 0.24 0.06 2.42 140.54 0.34
including 697.00 1181.00 484.00 0.29 0.07 2.99 158.95 0.41
including 790.00 1152.00 362.00 0.33 0.08 2.63 159.78 0.44
including 938.00 1040.15 102.15 0.48 0.09 3.82 174.32 0.61
including 976.00 1040.15 64.15 0.53 0.09 4.03 176.40 0.65
                 
THN22-231 519.50 1297.58 778.08 0.20 0.05 2.03 145.90 0.30
including 766.00 1297.00 531.00 0.25 0.06 2.41 178.31 0.36
including 1045.00 1147.00 102.00 0.34 0.07 2.92 192.37 0.46

All assay values are uncut weighted averages. Intervals reflect drilled intercept lengths as further drilling is required to determine the true widths of the mineralization.

*Copper Equivalent (CuEq) is calculated based on US$ 4.30/lb Cu, US$ 1820.00/oz Au, US$ 23.80/oz Ag, US $18.00/lb Mo. These prices represent the approximate one year trailing moving averages of metal prices and calculations assume 95% recovery. The formula is: CuEq % = (Cu % + (0.617248 * Au g/t) + (0.008072 * Ag g/t) + (0.000419 * Mo ppm)) * 0.95.

Figure 1. Location Map of the Camp Creek Target and Copper Geochemistry. Source: Brixton Metals
Figure 2. Drill Collar Location Map for the Camp Creek Porphyry with Copper Equivalent Values. Source: Brixton Metals
Figure 3. Cross Section of Holes THN22-213 and THN22-231. Source: Brixton Metals

Discussion

The objective of holes THN22-213 and THN22-231 was to test the mineralization west and north of THN22-201 (967.71m of 0.39% CuEq) and THN21-184 (821.25m of 0.38% CuEq). The distance between hole 213 and 231 is 420m. Both holes reached depths over 1200m, intersecting hundreds of meters of mineralized Porphyry X and hornfels sediments and ended in mineralization. Calc-alkalic porphyry Cu-Au-Ag-Mo mineralization at the Camp Creek target is disseminated and within quartz-anhydrite veins and as chalcopyrite-molybdenite veins-veinlets. Mineralization is hosted within Porphyry X, a crowded plagioclase porphyry of Cretaceous age (85.1Ma +- 1.1Ma), characterized by well-defined stacked biotite, a feature typical of mineral-related porphyry phases. Mineralization is also hosted in hornfels of Triassic Stuhini Group sedimentary rocks, which are intruded by the porphyry phases.

Hole THN22-213 was collared 235 meters west-southwest of THN22-201 and THN21-184, reaching a total depth of 1243m. Porphyry X was first intersected at 608 meters and short alternating sequences of mineralized hornfels sediments and Porphyry X continued to the end depth. Overall, the mineralized zone was 709.00 meters grading 0.34% CuEq (0.24% Cu, 0.06 g/t Au, 2.4 g/t Ag and 141 ppm Mo), including a 64.15m enriched zone of 0.65% CuEq (0.53% Cu, 0.09 g/t Au, 4.0 g/t Ag, 176 ppm Mo) centered on a 30 meters interval of chlorite-sericite altered Porphyry X.

Hole THN22-231 was collared 280 meters north of THN22-201 and THN21-184, reaching a total depth of 1297.58m. The mineralized zone was from 519.50 meters depth with grades of 0.30% CuEq (0.20% Cu, 0.05 g/t Au, 2.0 g/t Ag, 146 ppm Mo) over 778.08m, including 0.46% CuEq (0.34% Cu, 0.07 g/t Au, 2.9 g/t Ag, 192 ppm Mo) over 102.00m.

Assays are pending for hole THN22-221, which is located 275m northeast from collar THN22-201. Hole THN22-221 was drilled to a depth of 1375.13m, which ended in visibly similar porphyry mineralization hosted in Porphyry X and hornfels sediments. (See Figure 2 for collar locations).

The cross-section view to the Southeast in Figure 3 represents all of the deep holes in the Camp Creek to date. It may appear that some of the holes are overlapping, but note the scale of the slice is greater than one kilometer and the reader should see Figure 2 for the considerable distances from each of the drill collars.

 

 

The above references an opinion and is for information purposes only. It is not intended to be investment advice. Seek a licensed professional for investment advice. The author is not an insider or shareholder of any of the companies mentioned above.

By Matthew Evanoff

I cover the mining industry and the best mining stocks around the world. I write about industry news, individual companies, projects, management, and profiles on industry leaders.

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