Summa Silver Drills High-Grade Mineralization in First Hole at the South Queen Target, Mogollon Project, New Mexico
- High-grade silver-gold mineralization reported at Mogollon Project in New Mexico.
- First drill hole intersected 393 g/t Silver Equivalent over 7.4 m.
- Significant mineralization found between Deadwood and Eberle mines.
- Systematic drilling approach aims to define vein-hosted mineralization extent.
- New Mexico Mining Commission affirms Company's exploration permit.
- CEO Galen McNamara optimistic about unlocking value in historic mining district.
- None.
1.4 km step-out hole on Queen Vein intersected 393 g/t Silver Equivalent* over 7.4 m
Vancouver, British Columbia--(Newsfile Corp. - February 27, 2024) - Summa Silver Corp. (TSXV: SSVR) (OTCQX: SSVRF) (FSE: 48X) ("Summa" or the "Company") is pleased to provide assay results from its first drill hole completed during the winter drill program at the high-grade silver-gold Mogollon Project, New Mexico (the "Mogollon Project").
Key Highlights (see attached figures)
First hole at the South Queen target intersected multiple zones of strong epithermal-related silver-gold mineralization, highlighted by:
393 g/t silver equivalent* (64 g/t Ag, 3.9 g/t Au) over 7.4 m from 242.4 m down hole (60 m vertical depth), including 2,735 g/t silver equivalent* (320 g/t Ag, 28.6 g/t Au) over 1.5 m, and
357 g/t silver equivalent* (186 g/t Ag, 2.2 g/t Au) over 0.9 m from 201.2 m down hole.
Size and Scale on the Queen Vein: This hole represents a 1.4 km step out on the Queen Vein where mineralization remains open in all directions.
Between Two Historic Producers: The newly intersected mineralized zone is located between the recently acquired Deadwood and Eberle mines, both of which were only mined at shallow-levels and remain untested at depth.
Additional Exploration Upside: Results support the high-prospectivity of the entire Queen Vein where mineralization is open along-strike and down-dip warranting systematic follow-up drilling.
Assays Pending: Drilling is now complete with results pending from two holes that tested for mineralization along-strike and below the Eberle Mine.
*Silver equivalent is calculated using US
Galen McNamara, CEO, stated: "We designed this drill program to test the size and scale of mineralization on the Queen Vein. The targets were precisely planned and based on our extensive geological modelling efforts that have evolved over the past three years. Unsurprisingly, our first hole successfully intersected strong mineralization. We look forward to additional results and continuing to unlock value in what has long been an overlooked historic mining district."
Mogollon Exploration Drill Program
The winter drill program at the Mogollon Project was designed to test the silver and gold potential of zones along the north-striking Queen Vein. The targets (South Queen and Eberle) are the result of extensive data compilation efforts which have evolved over several years and are designed to maximize discovery potential. The two targets are dispersed along 350 m of the Queen Vein south of the Consolidated target, where Summa focused its previous drill programs. The first hole of the program (MOG23-20) tested the South Queen target.
Figure 1: Collar map showing the location of hole MOG23-20
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Figure 2: Long-section of the Queen Vein showing primary targets and pierce point of MOG23-20
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The South Queen target is centered on the structural intersections between the east-west trending Last Chance and Anne E veins, and the north-south trending Queen vein. The first hole of the program (MOG23-20) was designed to test parallel vein-sets of the Queen vein system as well as for high-grade and plunging mineralization hosted along the intersection of the Queen vein and Last Chance veins. The hole was collared 250 northwest of the Last Chance mine portal in the hanging wall of the Last Chance vein. The hole intersected banded and locally brecciated Fanney rhyolite to 313 m downhole. At 201 m the hole intersected a weakly oxidised quartz-carbonate vein that yielded 357 g/t silver equivalent (186 g/t Ag, 2.2 g/t Au) over 0.9 m. Between 235 m and 264 m, the hole intersected a broad zone of strongly silicified and brecciated rhyolite cut by cm to meter-scale zones of quartz-carbonate vein with local silver-bearing sulfides (393 g/t silver equivalent over 7.45 m including 2,735 g/t silver equivalent over 0.5 m). Due to the shallow dip of the hole, this lower high-grade vein was intersected approximately 60 m below surface. The hole bottomed at 324 m in andesite of the Mineral Creek unit.
Table 1: Assay Results
| Drill Hole | From (m) | To (m) | Length (m) | Au (g/t) | Ag (g/t) | AgEq (g/t) |
| MOG23-20 | 201.2 | 202.1 | 0.9 | 2.2 | 186 | 357 |
| and | 224.1 | 225.2 | 1.1 | 1.4 | 3.6 | 119 |
| and | 242.4 | 249.8 | 7.4 | 3.9 | 64 | 393 |
| inc. | 246.4 | 249.8 | 3.4 | 6.0 | 108 | 614 |
| inc. | 247.8 | 248.3 | 0.5 | 28.6 | 320 | 2,735 |
| and | 256.1 | 257.6 | 1.5 | 1.4 | 16 | 135 |
Results from hole MOG23-20 strongly supports the high-prospectivity of the Queen Vein south of the Consolidated Mine target, which is 1.4 km to the north. At Consolidated, the Company has systematically tested for un-mined extensions of mineralization across a strike length of approximately 500 m, where many holes returned significant zones of high-grade silver and gold mineralization (e.g., 448 g/t silver equivalent* (129 g/t Ag, 3.88 g/t Au) over 31 m of MOG22-05 and 640 g/t silver equivalent* (306 g/t Ag, 4.26 g/t Au) over 9.9 m of MOG22-10; see the Company's news releases dated May 3, 2022 and February 1, 2023) hosted in the broad, steeply dipping and complex Queen vein system. A similar systematic approach to drilling is warranted at the Queen South target to better define the lateral and vertical extent of vein-hosted mineralization. This zone, approximately 270 m north of the Deadwood mine underground workings and approximately 200 m south of the Eberle mine underground workings, is open in both directions along strike and down dip.
Table 2: Collar Information
| Target Area | Drill Hole | Easting | Northing | Azimuth | Dip | Final Depth (m) |
| Queen South | MOG23-20 | 704180 | 3697234 | 133 | -20 | 339.0 |
Exploration Permit Affirmation
In a public hearing held on February 15, 2024 in Santa Fe the New Mexico Mining Commission (the "Commission") voted unanimously (6-0) to affirm the Company's Part 3 Minimal Impact Exploration Permit (the "Permit"). The Commission acts as the rulemaking and administrative review body for the 1993 New Mexico Mining Act (the "Mining Act"). Anyone affected by actions or rulings related to the Mining Act regulatory program may appeal that action to the Commission if they do not agree with the action or ruling provisions. The Commission will then hold a public hearing on the appeal and decide to uphold or overturn the action. The hearing on February 15, 2024 was held to address complaints made by a private citizen who alleged that the Mines and Minerals Division of the Energy, Minerals and Natural Resources Department of New Mexico (the "MMD") failed to issue correct maps of the area permitted for exploration when granting the Permit. Company employees and consultants participated in the hearing as expert witnesses. The decision affirms the Permit and associated Findings of Fact made by the Director of the MMD which include, among other things, that the Mogollon Project is unlikely to have adverse impacts on threatened or endangered species, water resources or cultural resources.
Analytical and QA/QC Procedures
Drill core was sawn in half at Summa's core logging and processing facilities at the Mogollon Project. All core samples were sent to Paragon Geochemical Laboratories in Sparks, Nevada for preparation and analysis. Paragon meets all requirements of the International Accreditation Service AC89 and demonstrates compliance with ISO/IEC Standard 17025:2017 for analytical procedures. Samples were analyzed for gold via fire assay with an AA finish and samples that assayed over 8 ppm were re-run via fire assay with a gravimetric finish. Silver, and trace elements were analyzed via inductively coupled plasma mass spectroscopy after four-acid digestion. Samples that assayed over 100 ppm Ag were re-run via fire assay for Ag with a gravimetric finish. In addition to Paragon quality assurance / quality control ("QA/QC") protocols, Summa implements an internal QA/QC program that includes the insertion of sample blanks, duplicates and certified reference materials at systematic and random points in the sample stream.
Qualified Person
The technical content of this news release has been reviewed and approved by Galen McNamara, P. Geo., the CEO of the Company and a qualified person as defined by National Instrument 43-101.
About Summa Silver Corp.
Summa Silver Corp. is a junior mineral exploration company. The Company owns a
Follow Summa Silver on Twitter: @summasilver
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ON BEHALF OF THE BOARD OF DIRECTORS
"Galen McNamara"
Galen McNamara, Chief Executive Officer
info@summasilver.com
www.summasilver.com
Investor Relations Contact:
Giordy Belfiore
Corporate Development and Investor Relations
604-288-8004
giordy@summasilver.com
www.summasilver.com
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Cautionary note regarding forward-looking statements
This news release contains certain "forward looking statements" and certain "forward-looking information" as defined under applicable Canadian and U.S. securities laws. Forward-looking statements and information can generally be identified by the use of forward-looking terminology such as "may", "will", "should", "expect", "intend", "estimate", "anticipate", "believe", "continue", "plans" or similar terminology. The forward-looking information contained herein is provided for the purpose of assisting readers in understanding management's current expectations and plans relating to the future. These forward‐looking statements or information relate to, among other things the exploration and development of the Company's mineral exploration projects including completion of drilling activities.
Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause the actual actions, events or results to be materially different from those expressed or implied by such forward-looking information, including but not limited to: the requirement for regulatory approvals; enhanced uncertainty in global financial markets as a result of the public health crises; unquantifiable risks related to government actions and interventions; stock market volatility; regulatory restrictions; and other related risks and uncertainties.
Forward-looking information are based on management of the parties' reasonable assumptions, estimates, expectations, analyses and opinions, which are based on such management's experience and perception of trends, current conditions and expected developments, and other factors that management believes are relevant and reasonable in the circumstances, but which may prove to be incorrect.
The Company undertakes no obligation to update forward-looking information except as required by applicable law. Such forward-looking information represents management's best judgment based on information currently available. No forward-looking statement can be guaranteed and actual future results may vary materially. Accordingly, readers are advised not to place undue reliance on forward-looking statements or information.
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