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Prime Mining Corp
Symbol PRYM
Shares Issued 112,700,705
Close 2022-10-07 C$ 1.60
Recent Sedar Documents

Prime Mining drills 20.5 m of 2.36 g/t Au at Los Reyes

2022-10-11 09:35 ET - News Release

Mr. Daniel Kunz reports

PRIME INTERCEPTS 2.36 GPT AU AND 178 GPT AG OVER 20.5 METRES IN STEP-OUT DRILLING AT Z-T

Prime Mining Corp. has released further results from five key drill holes in the Z-T area as the company delineates and expands its multimillion-ounce Los Reyes high-grade gold-silver project. The project is centred on an underexplored, 500-year-old mining district of Sinaloa state, Mexico, that has a mineralized footprint of over 15 square kilometres. The company's current drill programs are focused on expanding the Guadalupe, Central and Z-T deposit areas that make up the core of this district.

Today's results are from five stepout drill holes at the southern end of the Z-T deposit. Specifically, these drill holes were designed to demonstrate mineralization continuity between Zapote South and Tahonitas. Drilling continues to successfully delineate and expand open-pit resources and has identified additional potential for underground resources. Two new high-grade mineralized chutes have been discovered between the previously reported Zapote South and Tahonitas pit shells outlined in the technical report dated April 2, 2020. Both mineralized chutes are open for expansion down plunge.

Highlight drill intercepts

Z-T deposit area:

  • 2.36 grams per tonne gold and 177.8 gpt silver over 20.5 metres (13.2 m estimated true width (etw)), 0.91 gpt Au and 139 gpt Ag over 11.5 m (7.4 m etw), and 1.39 gpt Au and 12.7 gpt Ag over six m (3.9 m etw) (22TA-39);
  • 3.86 gpt Au and 88.5 gpt Ag over 11.2 m (5.6 m etw), including 9.24 gpt Au and 223 gpt Ag over 4.25 m (2.1 m etw), and 2.70 gpt Au and 333.04 gpt Ag over 1.5 m (0.8 m etw) (22TA-32);
  • 1.17 gpt Au and 207.4 gpt Ag over 8.3 m (5.3 m etw) (22TA-40);
  • 0.97 gpt Au and 30.3 gpt Ag over 10.5 m (5.2 m etw) (22TA-35);
  • 0.72 gpt Au and 61 gpt Ag over 5.8 m (4.3 m etw), including 1.35 gpt Au and 119.3 gpt Ag over 1.4 m (one m etw) (22TA-33).

Chief executive officer Daniel Kunz commented: "The drill results reported today continue to increase the known strike length of the Z-T structure and have extended mineralization 200 metres deeper (vertically, from 700 to 500 metres above sea level) at the southern end of Z-T. We will continue to aggressively target these previously undrilled zones between the known pit shells. Connecting the pits along the Z-T structure would have a material impact on our mineral resource estimate. We also highlight that the high-grade gold and silver mineralization in these newly discovered chutes, especially those with materially increased silver grades, is an exciting development and provides new, significant resource expansion potential in the Z-T structure at Los Reyes."

Five drills have continued to operate during the current rainy season, successfully completing 70,590 metres to date with phase 2 drilling planned to continue until the end of October. To date, 243 phase 2 drill holes have been completed, including the drilling results herein, while results from 93 holes remain pending.

Quality assurance/quality control protocols and sampling procedures

Drill core at the Los Reyes project is drilled in predominately HQ size (63.5 millimetres), reducing to NQ or BQ size ranges (47.6 mm and 36.5 mm, respectively) when required. Drill core samples are generally 1.50 m long along the core axis with allowance for shorter or longer intervals if required to suit geological constraints. After logging intervals are identified to be sampled and split, and one-half is submitted for assay, reverse circulation drilling returns rock chips and fines from a 133.35 mm diameter tricone bit. The returns are homogenized and split into two halves, with one-half submitted for analysis and the other half stored.

Sample QA/QC measures, including unmarked certified reference materials, blanks and field duplicates as well as preparation duplicates, are inserted into the sample sequence and make up approximately 8 per cent of the samples submitted to the laboratory for each drill hole.

Samples are picked up from the project by the laboratory personnel and transported to their facilities in Durango or Hermosillo, Mexico, for sample preparation. Sample analysis is carried out by Bureau Veritas and ALS Labs, with fire assay, including overlimits fire assay reanalysis, completed at their respective Hermosillo, Mexico, laboratories and multielement analysis completed in North Vancouver, Canada. Drill core sample preparation includes fine crushing of the sample to at least 70 per cent passing less than two mm, sample splitting using a riffle splitter and pulverizing a 250-gram split to at least 85 per cent passing 75 microns.

Gold in diamond drill core is analyzed by fire assay and atomic absorption spectroscopy of a 30-gram sample (code FA430 or Au-AA23). Multielement chemistry is analyzed by four-acid digestion of a 0.25-gram sample split (code MA300 or ME-ICP61) with detection by inductively coupled plasma emission spectrometer for a full suite of elements.

Gold assay techniques FA430 and Au-AA23 have an upper detection limit of 10 parts per million. Any sample that produces an overlimit gold value via the initial assay technique is sent for gravimetric finish via method FA-530 or Au-GRA21. Silver analyses by MA300 and ME-ICP61 have an upper limit of 200 ppm and 100 ppm, respectively. Samples with overlimit silver values are reanalyzed by fire assay with gravimetric finish FA530 or Au-GRA21.

Both Bureau Veritas and ALS Labs are ISO/IEC accredited assay laboratories. Drill core assay results range from below detection to 200 gpt gold and 4,955 gpt silver.

Qualified person

Scott Smith, PGeo, executive vice-president of exploration, is a qualified person for the purposes of National Instrument 43-101 and has reviewed and approved the technical content in this news release.

About the Los Reyes gold and silver project

Los Reyes is a rapidly evolving high-grade, low-sulphidation epithermal gold-silver project located in Sinaloa state, Mexico. Historic operating results indicate that an estimated one million ounces of gold and 60 million ounces of silver were recovered from five separate operations at Los Reyes between 1770 and 1990. Prior to Prime's acquisition, recent operators of Los Reyes had spent approximately $20-million (U.S.) on exploration, engineering and prefeasibility studies. The project remains underexplored and holds potential for additional discovery and resource expansion.

Since acquiring Los Reyes in 2019, Prime has spent approximately $30-million (U.S.) on direct exploration activities and is nearing completion of two phases of comprehensive drilling totalling over 96,260 metres and growing. Results to date suggest the three known main deposit areas, Guadalupe, Central and Z-T, are much larger than previously reported. Potential also exists for new discoveries outside of the currently defined resource areas.

About Prime Mining Corp.

Prime is managed by an ideal mix of successful mining executives, strong capital markets personnel and experienced local operators all focused on unlocking the full potential of the Los Reyes project. The company has a well-planned capital structure with significant management team and insider ownership.

We seek Safe Harbor.

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