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Arizona Sonoran Drills 521 ft (159 m) @ 1.78%CuT at Parks/Salyer

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Arizona Sonoran Drills 521 ft (159 m) @ 1.78%CuT at Parks/Salyer

 

 

 

 

Arizona Sonoran Copper Company Inc. (TSX:ASCU) (OTCQX:ASCUF) is pleased to report infill drill assay results from the Parks/Salyer infill to measured program on the Cactus Project, Arizona. These 11 drill holes total 24,463 ft (7,456 m) of drilling (see FIGURES 1-16).

 

Additionally, infill and exploration drilling to the south of Parks/Salyer has resumed at MainSpring with three drills, building on the 11- hole program undertaken in late 2023. The MainSpring drill program is testing the near surface southern extension of the Parks/Salyer deposit which lies some 1,500 ft (457 m) to the north. Assays from 4 of these core holes were reported in PR dated Nov 20, 2023, while results from the remaining 7 core holes are still pending.

 

Drilling Highlights:

– ECP-178: 521 ft (159 m) @ 1.78% CuT, 1.61% Cu TSol, 0.011% Mo (enriched)

  • Incl 220 ft (67 m) @ 2.67% CuT, 2.53% Cu TSol, 0.013% Mo

– ECP-184: 801 ft (244 m) @ 1.01% CuT, 0.76% Cu TSol, 0.011% Mo (enriched)

  • 721 ft (220 m) @ 1.02% CuT, 0.75% Cu TSol, 0.011% Mo (enriched)
  • Incl 133 ft (40 m) @ 1.64% CuT, 1.49% Cu TSol, 0.014% Mo

– ECP-180: 884 ft (269 m) @ 0.91% CuT, 0.77% Cu TSol, 0.007% Mo (enriched) of continuous mineralization

  • 653 ft (199 m) @ 1.10% CuT, 0.91% Cu TSol, 0.008% Mo (enriched)
  • Incl 148 ft (45 m) @ 1.81% CuT, 1.38% Cu TSol, 0.013% Mo

– ECP-173: 1,085 ft (331 m) @ 0.97% CuT of continuous mineralization

  • 492 ft (150 m) @ 1.46% CuT, 1.21% Cu TSol, 0.009% Mo (enriched)
  • Incl 256 ft (78 m) @ 2.25% CuT, 2.09% Cu TSol, 0.005% Mo
  • 593 ft (181 m) @ 0.55% CuT, 0.009% Mo (primary)

– ECP-174: 925 ft (282 m) @ 0.83% CuT of continuous mineralization

  • 530 ft (162 m) @ 1.17% CuT, 1.11% Cu TSol, 0.017% Mo (enriched)

– ECP-181: 742 ft (226 m) @ 0.99% CuT of continuous mineralization

  • 536 ft (163 m) @ 1.12% CuT, 1.00% Cu TSol, 0.009% Mo (enriched)
  • Incl. 168 ft (51.2 m) @ 2.08% CuT, 1.86% Cu TSol, 0.014% Mo

– ECP-175: 1,001 ft (305 m) @ 1.04% CuT of continuous mineralization

  • 374 ft (114 m) @ 1.49% CuT, 1.38% Cu TSol, 0.010% Mo (enriched)

– ECP-170: 519 ft (158 m) @ 1.24 % CuT of continuous mineralization

  • 362 ft (110 m) @ 1.49% CuT, 1.41% Cu TSol, 0.010% Mo (enriched)
  • Incl. 134 ft (41 m) @ 2.40% CuT, 2.32% Cu TSol, 0.006% Mo

– ECP-176: 718 ft (219 m) @ 0.83% CuT of continuous mineralization

  • 511 ft (156 m) @ 1.03% CuT, 0.84% Cu TSol, 0.021% Mo (enriched)

 

NOTE: True widths are not known

 

George Ogilvie, Arizona Sonoran President and CEO commented, “We look forward to integrating the thick and high-grade Parks/Salyer porphyry copper deposit into our Prefeasibility Study due out this quarter. Having completed the Parks/Salyer drilling in support of the indicated category, and a partial program in support of the measured category for a future Definitive Feasibility Study, we look forward to demonstrating the exploration upside of our Cactus Project. In 2024, our exploration teams will expand the definition of the primary sulphides, in addition to the oxides and enriched material at our MainSpring and Cactus West projects, presenting a significant potential for the Company.”

 

Drilling Recap

 

Infill drilling at Parks/Salyer focused on expanding the high-grade core areas on the east side of the orebody, defined by earlier infill drilling as shown in FIGURE 1. The eastern side of Parks/Salyer hosts thick intercepts of covellite-rich mineralization that straddles the boundary between the enriched and primary zones, highlighted by the elevated total copper and soluble copper grades shown in this new drilling. As shown in Table 1, these intercepts include excellent thicknesses of higher grades in both the enriched and primary zones, which were suggested by previous drilling but are becoming better defined by additional infill drilling (see cross section A-A’ in FIGURE 2).

 

Drill holes ECP-140 and ECP-178 were drilled as oriented core holes to assist in the geotechnical evaluation of Parks/Salyer for the pending Prefeasibility Study.

 

TABLE 1: Significant Drilling Intercepts

 

Hole Zone Feet Meters CuT Cu
Tsol
Mo
id from to length from to length % % %
ECP-140 oxide 806.0 842.7 36.7 245.7 256.9 11.2 0.91 0.76 0.003
oxide 879.0 946.0 67.0 267.9 288.3 20.4 0.57 0.52 0.021
enriched 1,095.4 1,695.0 599.6 333.9 516.6 182.8 0.70 0.64 0.023
including 1,095.4 1,156.0 60.6 333.9 352.3 18.5 1.52 1.49 0.029
and 1,236.0 1,286.0 50.0 376.7 392.0 15.2 1.01 0.98 0.034
and 1,406.0 1,436.0 30.0 428.5 437.7 9.1 1.01 1.00 0.018
primary 1,695.0 2,276.0 581.0 516.6 693.7 177.1 0.23 0.03 0.006
including 1,924.0 2,061.0 137.0 586.4 628.2 41.8 0.36 0.03 0.008
and 2,131.0 2,193.1 62.1 649.5 668.5 18.9 0.43 0.04 0.007
ECP-170 enriched 1,365.0 1,727.0 362.0 416.1 526.4 110.3 1.49 1.41 0.010
including 1,423.0 1,557.0 134.0 433.7 474.6 40.8 2.4 2.32 0.006
primary 1,727.0 1,884.0 157.0 526.4 574.2 47.9 0.65 0.14 0.027
including 1,757.0 1,787.0 30.0 535.5 544.7 9.1 0.82 0.16 0.026
ECP-172 enriched 1,490.5 1,591.6 101.1 454.3 485.1 30.8 0.8 0.77 0.020
including 1,490.5 1,515.0 24.5 454.3 461.8 7.5 1.39 1.35 0.024
and 1,564.0 1,591.6 27.6 476.7 485.1 8.4 1.18 1.13 0.020
enriched 1,770.0 1,964.0 194.0 539.5 598.6 59.1 0.87 0.78 0.027
including 1,775.9 1,817.7 41.8 541.3 554.0 12.7 1.30 1.24 0.022
and 1,867.0 1,947.0 80.0 569.1 593.4 24.4 1.06 0.93 0.033
primary 1,964.0 2,282.7 318.7 598.6 695.8 97.1 0.42 0.04 0.014
including 2,217.4 2,277.0 59.6 675.9 694.0 18.2 0.96 0.08 0.040
ECP-173 enriched 830.8 1,323.0 492.2 253.2 403.3 150.0 1.46 1.21 0.009
including 830.8 1,087.0 256.2 253.2 331.3 78.1 2.25 2.09 0.005
primary 1,323.0 1,915.9 592.9 403.3 584.0 180.7 0.55 0.05 0.011
including 1,398.0 1,468.0 70.0 426.1 447.4 21.3 0.80 0.09 0.021
and 1,557.0 1,587.0 30.0 474.6 483.7 9.1 0.96 0.06 0.016
and 1,740.0 1,780.0 40.0 530.4 542.5 12.2 0.87 0.06 0.006
ECP-174 oxide 1,386.0 1,453.5 67.5 422.5 443.0 20.6 1.03 1.02 0.029
including 1,426.0 1,453.5 27.5 434.6 443.0 8.4 1.64 1.62 0.039
enriched 1,479.7 2,010.0 530.3 451.0 612.6 161.6 1.17 1.11 0.017
including 1,479.7 1,502.4 22.7 451.0 457.9 6.9 4.44 4.28 0.012
and 1,541.0 1,602.7 61.7 469.7 488.5 18.8 2.62 2.56 0.020
and 1,739.0 1,809.0 70.0 530.0 551.4 21.3 1.4 1.33 0.015
and 1,943.0 2,010.0 67.0 592.2 612.6 20.4 1.76 1.74 0.023
primary 2,010.0 2,260.8 250.8 612.6 689.1 76.4 0.25 0.03 0.012
including 2,029.6 2,080.0 50.4 618.6 634.0 15.4 0.34 0.04 0.012
ECP-175 enriched 993.3 1,367.0 373.7 302.8 416.7 113.9 1.49 1.38 0.010
including 993.3 1,015.0 21.7 302.8 309.4 6.6 2.29 2.09 0.008
and 1,256.0 1,286.0 30.0 382.8 392.0 9.1 2.96 2.92 0.025
primary 1,367.0 1,697.7 330.7 416.7 517.5 100.8 0.76 0.06 0.038
including 1,645.0 1,697.7 52.7 501.4 517.5 16.1 1.13 0.08 0.089
transitional 1,697.7 1,858.0 160.3 517.5 566.3 48.9 0.98 0.30 0.032
including 1,768.0 1,838.0 70.0 538.9 560.2 21.3 1.21 0.43 0.017
primary 1,858.0 1,994.5 136.5 566.3 607.9 41.6 0.55 0.05 0.010
ECP-176 oxide 1,170.2 1,202.4 32.2 356.7 366.5 9.8 1.26 1.20 0.009
oxide 1,306.0 1,331.8 25.8 398.1 405.9 7.9 0.62 0.60 0.013
enriched 1,414.0 1,441.3 27.3 431.0 439.3 8.3 0.86 0.84 0.013
enriched 1,478.2 1,989.0 510.8 450.6 606.2 155.7 1.03 0.84 0.021
including 1,537.0 1,577.0 40.0 468.5 480.7 12.2 1.74 1.73 0.023
and 1,828.0 1,969.0 141.0 557.2 600.2 43.0 1.41 1.36 0.013
primary 1,989.0 2,195.9 206.9 606.2 669.3 63.1 0.33 0.05 0.024
including 1,989.0 2,026.2 37.2 606.2 617.6 11.3 0.57 0.12 0.024
ECP-178 enriched 1,502.5 2,024.3 521.8 458.0 617.0 159.0 1.78 1.61 0.011
including 1,612.0 1,832.0 220.0 491.3 558.4 67.1 2.67 2.53 0.013
ECP-180 enriched 1,448.0 2,091.0 643.0 441.4 637.3 196.0 1.12 0.92 0.008
including 1,744.0 1,825.0 81.0 531.6 556.3 24.7 1.53 1.50 0.006
and 1,866.7 2,015.0 148.3 569.0 614.2 45.2 1.81 1.38 0.013
and 2,049.0 2,079.0 30.0 624.5 633.7 9.1 1.46 0.78 0.015
ECP-181 enriched 1,148.8 1,177.0 28.2 350.2 358.7 8.6 0.97 0.95 0.010
enriched 1,336.0 1,872.0 536.0 407.2 570.6 163.4 1.12 1.00 0.009
including 1,666.0 1,834.0 168.0 507.8 559.0 51.2 2.08 1.86 0.014
primary 1,872.0 2,078.2 206.2 570.6 633.4 62.8 0.65 0.29 0.006
including 1,932.0 1,968.5 36.5 588.9 600.0 11.1 0.87 0.19 0.012
and 2,043.0 2,058.0 15.0 622.7 627.3 4.6 2.62 2.62 0.001
ECP-184 oxide 1,285.0 1,365.0 80.0 391.7 416.1 24.4 0.87 0.81 0.002
enriched 1,365.0 2,086.2 721.2 416.1 635.9 219.8 1.02 0.75 0.011
including 1,368.5 1,411.0 42.5 417.1 430.1 13.0 2.15 2.11 0.010
and 1,509.7 1,543.0 33.3 460.2 470.3 10.1 2.33 2.27 0.009
and 1,938.0 2,071.0 133.0 590.7 631.2 40.5 1.64 1.49 0.014
  1. Intervals are presented in core length and are drilled with vertical, or steep dip angles.
  2. Drill assays assume a mineralized cut-off grade of 0.50% CuT reflecting the potential for heap leaching of underground material in the case of Oxide and Enriched and 0.1% CuT, in the case of Primary material, to provide typical average grades. Holes were terminated below the basement fault.
  3. Assay results are not capped. Intercepts are aggregated within geological confines of major mineral zones.
  4. True widths are not known

 

 

Table 2: Drilling details

 

Hole Easting (m) Northing (m) Elevation (ft) TD (ft) Azimuth Dip
ECP-140 421691.9 3645076.2 1376.0 2333.5 260 -80
ECP-170 422087.9 3644938.5 1376.6 1894.5 0.0 -90.0
ECP-172 421994.7 3645253.4 1383.3 2385.4 0.0 -90.0
ECP-173 421949.6 3644855.9 1373.1 2241.1 0.0 -90.0
ECP-174 422031.4 3645227.1 1383.1 2495.2 0.0 -90.0
ECP-175 421835.1 3644870.9 1371.6 2281.5 0.0 -90.0
ECP-176 422029.8 3645184.0 1382.0 2210.0 0.0 -90.0
ECP-178 422119.0 3645031.5 1379.4 2280.2 260 -80
ECP-180 422030.6 3645088.2 1379.9 2102.7 0.0 -90.0
ECP-181 421997.1 3645055.5 1378.7 2102.5 0.0 -90.0
ECP-184 421963.6 3645082.6 1379.0 2136.4 0.0 -90.0

 

 

Quality Assurance / Quality Control

 

Drilling completed on the project between 2020 and 2023 was supervised by on-site ASCU personnel who prepared core samples for assay and implemented a full QA/QC program using blanks, standards, and duplicates to monitor analytical accuracy and precision. The samples were sealed on site and shipped to Skyline Laboratories in Tucson AZ for analysis. Skyline’s sample prep, analytical methodologies, and quality control system complies with global certifications for Quality ISO9001:2008.

 

Technical aspects of this news release have been reviewed and verified by Allan Schappert – CPG #11758, who is a qualified person as defined by National Instrument 43-101– Standards of Disclosure for Mineral Projects.

 

Links from the Press Release

 

Figures 1-16: https://arizonasonoran.com/projects/cactus-mine-project/press-release-images/

 

November 20, 2023: https://arizonasonoran.com/news-releases/arizona-sonoran-exploration-drilling-intersects-near-surface-mineralization-2-500-ft-762-m-south-of-parks-salyer/

 

Neither the TSX nor the regulating authority has approved or disproved the information contained in this press release.

 

About Arizona Sonoran Copper Company

 

ASCU’s objective is to become a mid-tier copper producer with low operating costs and to develop the Cactus and Parks/Salyer Projects that could generate robust returns for investors and provide a long term sustainable and responsible operation for the community and all stakeholders. The Company’s principal asset is a 100% interest in the Cactus Project (former ASARCO, Sacaton mine) which is situated on private land in an infrastructure-rich area of Arizona. Contiguous to the Cactus Project is the Company’s 100%-owned Parks/Salyer deposit that could allow for a phased expansion of the Cactus Mine once it becomes a producing asset. The Company is led by an executive management team and Board which have a long-standing track record of successful project delivery in North America complemented by global capital markets expertise.

 

ASCU Parks/Salyer Drilling – plan view, cross sections and core

 

Posted January 16, 2024

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